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BR 16 16P 64T Big Bore, Ing. Core Core128 v3.6.7 or v3.6.8 Service Calibration Adjustment

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Brilliance 16/16P/64T/Big
Bore, Ingenuity Core/
Core128
v3.6.7 or v3.6.8 Calibrations
Manual
Philips
459800962111
Revision C
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whole or in part, adapted, modified, disclosed to others, or disseminated without the prior written permission of the Philips Legal Department. Use
of this document and the information contained in it is strictly reserved for current Philips personnel and Philips customers who have a current and
valid license from Philips for use by the customer's designated in-house service employee on equipment located at the customer's designated
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This document must be returned to Philips when the user is no longer licensed and in any event upon Philips' first written request.
This document or digital media and the information contained in it is strictly reserved for current Philips personnel, Philips licensed representatives
and Philips customers who have purchased a valid service agreement for use by the customer's designated in-house service employee on
equipment located at the customer's designated site. Use of this document or digital media by unauthorized persons is strictly prohibited. This
document or digital media must be returned to Philips when the user is no longer licensed and in any event upon Philips' first written request.
© 2016 Koninklijke Philips N.V. All Rights Reserved. CSIP1
Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
Safety and Legal Information
To the User of This Manual
Theȱuserȱofȱthisȱmanualȱisȱdirectedȱtoȱreadȱandȱcarefullyȱreviewȱtheȱinstructions,ȱwarningsȱandȱcautionsȱcontainedȱhereinȱ
priorȱtoȱbeginningȱinstallationȱorȱserviceȱactivities.ȱWhileȱyouȱmayȱhaveȱpreviouslyȱinstalledȱorȱservicedȱequipmentȱsimilarȱ
toȱthatȱdescribedȱinȱthisȱmanual,ȱchangesȱinȱdesign,ȱmanufactureȱorȱprocedureȱmayȱhaveȱoccurredȱwhichȱsignificantlyȱ
affectȱtheȱpresentȱinstallationȱorȱservice.
Legal Manufacturer
PhilipsȱMedicalȱSystemsȱ(Cleveland),ȱInc.
AȱPhilipsȱHealthcareȱCompany
595ȱMinerȱRoad
Cleveland,ȱOHȱ44143
USA
Warranty Disclaimer
Philipsȱprovidesȱthisȱdocumentȱwithoutȱwarrantyȱofȱanyȱkind,ȱimpliedȱorȱexpressed,ȱincluding,ȱbutȱnotȱlimitedȱto,ȱtheȱ
impliedȱwarrantiesȱofȱmerchantabilityȱandȱfitnessȱforȱaȱparticularȱpurpose.
Limitation of Liability
Philipsȱhasȱtakenȱcareȱtoȱensureȱtheȱaccuracyȱofȱthisȱdocument.ȱHowever,ȱPhilipsȱassumesȱnoȱliabilityȱforȱerrorsȱorȱ
omissionsȱandȱreservesȱtheȱrightȱtoȱmakeȱchangesȱwithoutȱfurtherȱnoticeȱtoȱanyȱproductsȱhereinȱtoȱimproveȱreliability,ȱ
function,ȱorȱdesign.ȱPhilipsȱmayȱmakeȱimprovementsȱorȱchangesȱinȱtheȱproduct(s)ȱorȱprogram(s)ȱdescribedȱinȱthisȱ
documentȱatȱanyȱtime.ȱ
Password Notice
TheȱPASSWORDȱisȱtheȱpropertyȱofȱPhilipsȱHealthcareȱandȱisȱprovidedȱforȱtheȱexclusiveȱpurposeȱofȱprovidingȱaccessȱtoȱ
selectedȱserviceȱutilitiesȱwhichȱareȱdescribedȱinȱthisȱserviceȱmanualȱasȱbeingȱassociatedȱwithȱtheȱpassword.ȱUseȱofȱthisȱ
passwordȱforȱanyȱpurposeȱotherȱthanȱforȱtheȱaccessȱtoȱtheȱselectedȱservicesȱutilitiesȱisȱstrictlyȱprohibited.
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
Safety
WARNING:
In addition to the warnings listed below, follow all safety guidelines as described in the
Safety Manual. Failure to do so can result in severe personal injury.
Installation and Environment
Exceptȱforȱinstallationsȱrequiringȱcertificationȱbyȱtheȱmanufacturer,ȱseeȱthatȱaȱradiationȱprotectionȱsurveyȱisȱmadeȱbyȱaȱqualifiedȱexpertȱ
inȱaccordanceȱwithȱNCRPȱ102,ȱsectionȱ7,ȱasȱrevised.ȱPerformȱaȱsurveyȱafterȱeveryȱchangeȱinȱequipment,ȱworkload,ȱorȱoperatingȱ
conditionsȱwhichȱmightȱsignificantlyȱincreaseȱtheȱprobabilityȱofȱpersonsȱreceivingȱmoreȱthanȱtheȱmaximumȱpermissibleȱdoseȱ
equivalent.
Diagnostic Imaging Systems - Mechanical-electrical Warning
WARNING:
Before initiating a movement of the patient table or gantry, ensure that the area is free of
obstructions such as tools, boxes, chairs, and step stools. Physical injury or damage can
occur.
Allȱofȱtheȱmoveableȱassembliesȱandȱpartsȱofȱthisȱequipmentȱshouldȱbeȱoperatedȱwithȱcareȱandȱroutinelyȱinspectedȱinȱaccordanceȱwithȱ
theȱmanufacturer’sȱrecommendationsȱcontainedȱinȱtheȱequipmentȱmanuals.
Onlyȱproperlyȱtrainedȱandȱqualifiedȱpersonnelȱshouldȱbeȱpermittedȱaccessȱtoȱanyȱinternalȱparts.ȱLiveȱelectricalȱterminalsȱareȱdeadly;ȱbeȱ
sureȱlineȱdisconnectsȱareȱopenedȱandȱotherȱappropriateȱprecautionsȱareȱtakenȱbeforeȱopeningȱaccessȱdoors,ȱremovingȱenclosureȱ
panels,ȱorȱattachingȱaccessories.
Priorȱtoȱanyȱserviceȱandȱmaintenanceȱactivitiesȱinsideȱcomponents:
•
Switchȱoffȱtheȱsystemȱatȱtheȱmainȱpowerȱsupply,ȱandȱtheȱuninterruptibleȱpowerȱsupplyȱ(UPS).
•
Useȱlockout/tagoutȱ(LOTO)ȱproceduresȱtoȱsafeguardȱagainstȱtheȱreleaseȱofȱhazardousȱenergyȱduringȱinstallation,ȱ
maintenanceȱorȱserviceȱworkȱonȱtheȱsystem.
•
AlwaysȱuseȱanȱESDȱprotectionȱwristȱstrapȱwhenȱservicingȱanyȱcomponentȱinȱtheȱsystem.
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
Electrical-grounding Instructions
Theȱequipmentȱmustȱbeȱgroundedȱtoȱanȱearthȱgroundȱbyȱaȱseparateȱconductor.ȱTheȱneutralȱsideȱofȱtheȱlineȱisȱnotȱtoȱbeȱconsideredȱtheȱ
earthȱground.ȱOnȱequipmentȱprovidedȱwithȱaȱlineȱcord,ȱtheȱequipmentȱmustȱbeȱconnectedȱtoȱaȱproperlyȱgrounded,ȱthreeȬpinȱ
receptacle.ȱDoȱnotȱuseȱaȱthreeȬtoȬtwoȱpinȱadapter.
Diagnostic Imaging Systems - Radiation Warning
XȬrayȱandȱGammaȬraysȱareȱdangerousȱtoȱbothȱoperatorȱandȱothersȱinȱtheȱvicinityȱunlessȱestablishedȱsafeȱexposureȱproceduresȱareȱ
strictlyȱobserved.
Gammaȱradiationȱpresentsȱexposureȱriskȱtoȱtheȱoperatorȱandȱothersȱinȱtheȱvicinityȱofȱaȱradioactiveȱsource. ȱRadiopharmaceuticalȬfilledȱ
phantomsȱpresentȱtheȱgreatestȱrisk,ȱwhileȱsealedȱsourcesȱpresentȱlesserȱrisk. ȱExposureȱmitigationȱproceduresȱdescribedȱinȱtheȱGSSȱNAȱ
radiationȱsafetyȱdocumentsȱcanȱreduceȱthisȱrisk.ȱOperatorsȱshouldȱuseȱaȱcombinationȱofȱtime,ȱdistance,ȱandȱshieldingȱtechniquesȱtoȱ
reduceȱtheȱexposureȱtoȱthemselvesȱandȱothersȱfromȱsealedȱsourcesȱandȱinjectedȱphantoms. ȱPhilipsȱemployeesȱareȱobligatedȱtoȱcomplyȱ
withȱtheȱconditionsȱinȱPhilipsȱGSSȱNA’sȱRadioactiveȱMaterialsȱLicense,ȱoutȱofȱstateȱlicenseȱreciprocityȱagreements,ȱandȱtheȱcustomers’ȱ
radioactiveȱmaterialsȱlicenses.
Theȱusefulȱandȱscatteredȱbeamsȱcanȱproduceȱseriousȱorȱfatalȱbodilyȱinjuriesȱtoȱanyȱpersonsȱinȱtheȱsurroundingȱareaȱifȱusedȱbyȱanȱ
unskilledȱoperator.ȱAdequateȱprecautionsȱmustȱalwaysȱbeȱtakenȱtoȱavoidȱexposureȱtoȱtheȱusefulȱbeam,ȱasȱwellȱasȱtoȱleakageȱradiationȱ
fromȱwithinȱtheȱsourceȱhousingȱorȱtoȱscatteredȱradiationȱresultingȱfromȱtheȱpassageȱofȱradiationȱthroughȱmatter.
Thoseȱauthorizedȱtoȱoperate,ȱparticipateȱinȱorȱsuperviseȱtheȱoperationȱofȱtheȱequipmentȱmustȱbeȱthoroughlyȱfamiliarȱandȱcomplyȱ
completelyȱwithȱtheȱcurrentȱestablishedȱsafeȱexposureȱfactorsȱandȱproceduresȱdescribedȱinȱpublications,ȱsuchȱas:ȱSubchapterȱJȱofȱTitleȱ
21ȱofȱtheȱCodeȱofȱFederalȱRegulations,ȱȈDiagnosticȱXȬrayȱSystemsȱandȱTheirȱMajorȱComponentsȈ,ȱandȱtheȱnationalȱcouncilȱonȱradiationȱ
protectionȱ(NCRP)ȱno.ȱ102,ȱȈMedicalȱXȬrayȱAndȱGammaȬrayȱProtectionȱForȱEnergiesȱUpȱToȱ10ȱMevȬequipmentȱDesignȱandȱUseȈ.
ThoseȱresponsibleȱforȱplanningȱofȱxȬrayȱandȱgammaȬrayȱequipmentȱinstallationsȱmustȱbeȱthoroughlyȱfamiliarȱandȱcomplyȱcompletelyȱ
withȱNCRPȱno.ȱ49,ȱȈStructuralȱShieldingȱDesignȱandȱEvaluationȱforȱMedicalȱofȱXȬraysȱandȱGammaȬraysȱofȱEnergiesȱUpȱtoȱ10ȱMevȈ.ȱ
Failureȱtoȱobserveȱtheseȱwarningsȱmayȱcauseȱseriousȱorȱfatalȱbodilyȱinjuriesȱtoȱtheȱoperatorȱorȱthoseȱinȱtheȱarea.
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
Symbol Descriptions
Warningȱsymbol
Radiationȱwarningȱsymbol
Laserȱwarningȱsymbol
Biohazardȱwarningȱsymbol
Magnetismȱwarningȱsymbol
Projectileȱwarningȱsymbol
Electricalȱwarningȱsymbol
Doȱnotȱtouch
RecycleȱLabel
Crushȱwarningȱsymbol
459800962111ȱRevȱCȱ
Disposeȱofȱinȱaccordanceȱwithȱyourȱcountry’sȱ
requirements.ȱThisȱlabelȱindicatesȱthatȱthereȱisȱ
materialȱinȱtheȱsystemȱthatȱyouȱmustȱseparatelyȱ
collectȱandȱrecycleȱinȱaccordanceȱwithȱtheȱ
requirementsȱofȱtheȱEuropeanȱWasteȱElectricalȱ
Equipmentȱ(WEEE)ȱDirective.
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ5
Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilips
Revision History
ECO #
Revision
Date
Comments
EȬ061525
A
Augustȱ2015
InitialȱRelease
EȬ063096
B
Octoberȱ2015
Addedȱ(Step Note:ȱonȱpageȱ13)ȱforȱSFSȱPositionȱCalibrationȱandȱchangeȱtheȱ
(Step Note:ȱonȱpageȱ64)ȱforȱPerformȱAȬplaneȱZȬalignmentȱOnly,ȱfromȱreviewȱ
A#0.2.
EȬ073322
C
13ȬOCTȬ2016
Updatedȱforȱv3.6.8
AddedȱAȬPlaneȱCollimatorȱOpeningȱTest ȱonȱpageȱ166ȱ
ThisȱdocumentȱwasȱpreparedȱbyȱCT/AMIȱServiceȱInnovations.
Forȱanyȱadditions,ȱcorrections,ȱorȱsuggestions,ȱcontactȱyourȱnextȱlevelȱofȱsupport.
459800962111ȱRevȱCȱ
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ6
Contents
Section 1 IMAGE CALIBRATION SOFTWARE: ........................................................ 9
1.1 Running the Selective Calibration Software - Introduction ................................................ 9
1.2 Recommended Calibrations Matrix ...............................................................................12
1.2.1 Phantom Placement..........................................................................................15
1.2.2 Starting the Calibration Program ........................................................................20
1.3 Calibration Procedures ...............................................................................................27
1.3.1 Load Grid Voltage Defaults ...............................................................................27
1.3.2 Rotor Balance Test ...........................................................................................33
1.3.3 Filament Calibration - Pass 1 .............................................................................41
1.3.4 Bad Detector ...................................................................................................44
1.3.5 XRT Mechanical Alignment.................................................................................51
1.3.6 A-Plane Z-Mechanical Alignment .......................................................................60
1.3.7 XRT FS Width Calibration ..................................................................................73
1.3.8 XRT DFS Position Calibration .............................................................................86
1.3.9 Filament Calibration - Pass 2 .............................................................................92
1.3.10 Ultra High Resolution Comb Align Calibration......................................................96
1.3.11 XRT Ultrahigh DFS Position Calibration ........................................................... 108
1.3.12 Phantom Calibration .................................................................................... 113
1.3.13 Air Calibration ............................................................................................. 120
1.3.14 HCOR (Hounsfield Correction) ........................................................................ 126
1.3.15 Image Rotation ............................................................................................ 138
Section 2 A-Plane Encoder Calibration : ............................................................ 151
Section 3 A-Plane Collimator Opening Test: ...................................................... 166
3.1 Introduction ........................................................................................................... 166
Section 4 Laser Alignment: .............................................................................. 171
4.1 Interior Scan Frame Lasers ....................................................................................... 171
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Section 5 Loading A-Plane Calibration Constants: ............................................. 181
Section 7 Patient Support Vertical Calibration: ................................................. 188
Section 8 Main Drives and Angulation Setup for CGMP Equipped Systems: ......... 192
Section 9 (CGMP Equipped Systems) Tilt Actuator Lift Switch Settings: ............. 195
Section 10 Tilt Calibration: .............................................................................. 200
Section 11 Commander SK Commissioning: ...................................................... 207
11.0.1 Spindle Blok Motor Controller Commissioning ................................................... 218
Section 12 Filter Tray Position Adjustment - Ingenuity CT Scanners: ................. 223
459800962111ȱRevȱCȱ
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Section 1
1.1
Section 1
IMAGE CALIBRATION SOFTWARE
Running the Selective Calibration Software Introduction
The Selective Calibration application uses a graphical user interface
(GUI) which allows you to perform selected calibration scans or
Automatic Calibrations based on reasons selected. Depending on the
calibration step selected, the software will do one or all of the
following:
(a) Write a calibration table to disk,
(b) Advise the user to make a mechanical adjustment,
(c) Perform automatic adjustment and rescan
(d) Write control parameters to configuration files
(e) Provide neutral feedback on status of calibration.
Note:
Aȱgeneralȱrecommendationȱforȱallȱcalibrationsȱisȱaȱ
tubeȱheatȱofȱ>30%.ȱSomeȱproceduresȱinȱ
thisȱdocumentȱmayȱindicateȱotherȱspecificȱ
tubeȱheatȱvalues.
TheȱTubeȱWarmȬupȱprocessȱisȱanȱautomaticȱprocessȱbuiltȱintoȱtheȱ
ImageȱCalibrationȱSoftware.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Theȱinitialȱsystemȱcalibrationsȱshouldȱbeȱcompletedȱbeforeȱanyȱimageȱcalibrations.ȱ
Theȱfollowingȱphantomsȱareȱrequiredȱforȱcalibration:ȱ
Calibration (Eye) Phantom. There are two Eye Phantoms, refer to Note on page 16. This is used for
some XRT Calibrations and Phantom Calibration.
System Phantom. This is used for HCOR Calibration.
Image Rotation Calibration (Phantom), it is required for the Therapy Top and optional otherwise.
Note:
•
•
•
Calibration Sequence
The sequence of calibration steps should be followed in the order specified by the Selective Calibration. Each subsequent
calibration shall not be performed until the previous step has completed successfully, unless specific instructions are given
to iterate again the process.
A calibration step shall be successfully completed when all of the following are true:
In Service Level:
• No error message (error dialog box) has been displayed.
•
A prompt indicating the end of the selected calibration step has been displayed.
•
If the calibration step is iterative (such as some XRT calibrations), then the iteration advice must indicate that
convergence has been achieved and no further iterations are required.
•
Any prompted user interaction such as data entry has been completed, and prompting dialog boxes are no
longer present.
Ifȱanyȱofȱtheȱaboveȱconditionsȱareȱnotȱsatisfied,ȱtheȱentireȱcalibrationȱstepȱshouldȱbeȱrepeated.ȱIfȱanȱerrorȱdialogȱhasȱ
beenȱdisplayed,ȱthenȱappropriateȱactionȱshouldȱbeȱtakenȱtoȱremedyȱtheȱerrorȱbeforeȱrepeatingȱtheȱcalibrationȱstep.ȱ
Someȱtypicalȱerrorȱsituationsȱareȱgivenȱbelow.ȱȱȱȱ
Error Situation
Missing calibration tables
Error during data calculations
459800962111ȱRevȱCȱ
Possible Reason for the Error
Calibration was performed out of sequence
- Scan of incorrect or misaligned phantom
- Dependent (previous) calibrations no longer valid
- Incorrect Scan Protocol
- Inconsistent Data
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IMAGEȱCALIBRATIONȱSOFTWARE
Calibration Can Interface
ȱ
DuringȱthisȱSelectiveȱCalibrationȱprocedureȱtheȱprocessesȱareȱautomatic.ȱ
Example:ȱTheȱrotorȱwillȱpositionȱitselfȱforȱXRTȱMechanicalȱAlignment.ȱDuringȱtheȱ
CalibrationȱprocessȱtheȱFSEȱmayȱneedȱtoȱsendȱmanualȱcommandsȱtoȱtheȱGantry.ȱUseȱtheȱ
CalibrationȱCanȱInterfaceȱtoȱmanuallyȱsendȱCanȱCommandsȱduringȱcalibration.ȱ
(example:)ȱrotor_positionȱ_0,ȱorȱpanel_zero.ȱ
Note:
459800962111ȱRevȱCȱ
TheȱCalibrationȱCanȱInterfaceȱisȱavailableȱunderȱHomeȱ>ȱUtilitiesȱ>ȱ
Calibration.ȱ
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1.2
IMAGEȱCALIBRATIONȱSOFTWARE
Recommended Calibrations Matrix
Theȱfollowingȱcalibrationȱstepsȱareȱrecommendedȱtoȱbeȱdoneȱfollowingȱanyȱofȱtheȱlistedȱserviceȱprocedures.ȱTheȱcalibrationȱ
stepsȱhaveȱtoȱbeȱrunȱinȱtheȱorderȱlistedȱfromȱleftȱtoȱright.ȱThisȱcanȱbeȱcompleteȱviaȱtheȱselectiveȱcalibrationȱprocessȱorȱtheȱ
automaticȱprocessȱbyȱselectingȱtheȱappropriateȱreasonȱinȱtheȱSelectiveȱCalibrationȱwindow.ȱ
Note:ȱȱȱTheȱcalibrationsȱareȱgroupedȱbyȱcolor;ȱ(green)ȱforȱrelatedȱAlignments,ȱ(blue)ȱforȱFocalȱSpotȱadjustmentsȱ(red)ȱforȱ
Phantoms.ȱThisȱ(optionȱ*)ȱisȱenabledȱinȱPreferencesȱwithinȱtheȱscannerȱapplication.
Table 1-1: CalibrationȱReasons
Calibration/
Reasons
Tube
Replacement
Generator
Replacement
DMS
Replacement
A-Plane Collimator
Replacement
Detector Module
Replacement
UHR Comb
Replacement
Routine Scheduled
Calibration
Resolver
Replacement
Ref Convertor /
Detector
Replacement
Note:
459800962111ȱRevȱCȱ
A-Plane
Load Grid
Encoder
Voltage
Calibratio Defaults
n on
on page 27
page 151
X
X
Rotor
Balance
Test on
page 33
X
Filament
Calibration
- Pass 1
on page
41
X
X
X
X
X
Bad
Detector
on page
44
X
X
XRT
Mechanical
Alignment
on page 51
A-Plane ZMechanical
Alignment
on page 60
X
X
X
X
X
X
X
X
XRT FS
Width
Calibration
on page
73
X
XRT DFS
Position
Calibration
on page 86
X
X
X
X
X
X
X
X
X
X
X
X
X
IfȱtheȱDMCȱorȱDMCȱboardȱisȱreplaced,ȱthenȱtheȱAȬplaneȱcalibrationsȱshouldȱbeȱrepeated.
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ12
Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Ultra High
Filament
Calibration Resolution
- Pass 2
Comb Align
on page 92 Calibration
on page 96
Image
Rotation
on page
138*
Calibration/
Reasons
XRT
HCOR
Phantom
Air
Ultrahigh
Calibration Calibration (Hounsfield
DFS
on page 113
on page Correction) on
Position
120
page 126
Calibration
Basic Adult
on page 108
Slice Adult
Basic Infant*
Slice Infant *
Tube
Replacement
Generator
Replacement
DMS
Replacement
A-Plane Collimator
Replacement
Detector Module
Replacement
UHR Comb
Replacement
Routine Scheduled
Calibration
Resolver
Replacement
Ref Convertor /
Detector
Replacement
Note:
459800962111ȱRevȱCȱ
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
TheȱSFSȱPositionȱCalibrationȱexsitsȱonȱBrillianceȱ16/16PȱandȱBigȱBore,ȱandȱthatȱUHRȱcalibrationsȱ(combȱ
andȱDFSȱPosition)ȱareȱnotȱneededȱonȱBigȱBore,ȱwhichȱhasȱNOȱUHRȱmode.
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ13
Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Referȱtoȱtheȱreleaseȱnoteȱforȱnewȱsoftwareȱinstallation.ȱ
FSUȱ = FocalȱSpotȱUnitȱ
HVUȱ= HighȱVoltageȱUnitȱ
ȱ*ȱȱAfterȱsystemȱbuildȱatȱtheȱfactoryȱ(HCORȱInfantȱBasicȱandȱInfantȱSlice).ȱ
**ȱȱPhantomȱandȱHCORȱCalibrationȱmayȱalsoȱneedȱtoȱbeȱdoneȱdependingȱonȱIQȱcheck/Acceptence,ȱreferȱtoȱtheȱ
ȱȱȱȱPlannedȱMaintenanceȱManualȱ
Note:
459800962111ȱRevȱCȱ
Timeȱestimatesȱbelowȱareȱforȱaȱsystemȱthatȱhasȱalreadyȱbeenȱcalibrated.ȱNotȱincludedȱisȱtheȱtimeȱitȱtakesȱ
toȱremove/replaceȱtheȱcovers.ȱAlso,ȱtimeȱwillȱbeȱneededȱtoȱmakeȱmechanicalȱadjustmentsȱforȱtheȱSelectiveȱ
Calibrations.
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ14
Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Table 1-2: EstimatedȱCalibrationȱTimeȱforȱMRCȱ880ȱTube
Calibration
Load Grid
Voltage
Defaults on
page 27
Rotor Balance
Test on page
33
Estimated
Time
0.02/ 1.2 min.
0.04/
2.5 min.
Calibration
Ultra High
Filament
XRT Ultrahigh Phantom
Calibration Resolution
DFS Position Calibration
Pass 2 on
Comb Align
Calibration
on page
page 92
Calibration on on page 108
113
page 96
Estimated
Time
0.13/
8 min.
0.08/
5 min.
Calibration
Laser
Alignment
on page
171
Loading APatient
Plane
Support
Calibration
Horizontal
Constants
Calibration
on page 181 on page 184
Patient
Support
Vertical
Calibration
on page 188
Main Drives
and
Angulation
Setup for
CGMP
Equipped
Systems on
page 192
Commander Filter Tray
(CGMP
Tilt
Equipped
Calibration
SK
Position
Systems) Tilt
on page Commission Adjustment Actuator Lift
200
ing on page Ingenuity CT
Switch
207
Scanners on
Settings on
page 223
page 195
Estimated
Time
0.34 / 20
min.
0.13/ 8 min.
0.13 / 8 min.
0.25 / 15 min.
0.34 / 20
min.
1.2.1
Filament
Calibration Pass 1 on
page 41
0.13/
8 min.
0.08/
5 min.
0.25 / 15
min.
Bad
Detector on
page 44
A-Plane ZXRT FS Width
XRT
Mechanical
Mechanical Calibration on
Alignment on Alignment on
page 73
page 51
page 60
0.08/
5 min.
0.1/
6 min.
.008/
0.5 min.
Air
HCOR
Calibration (Hounsfield
on page
Correction)
120
on page 126
1.5/
0.5/
1hr-30 min. 32 min.
0.75/
45 min.
0.28/
17 min.
XRT DFS
Position
Calibration
on page 86
0.25/
15 min.
Image
Rotation
on page
138
A-Plane
Encoder
Calibration
on page 151
A-Plane
Collimator
Opening
Test on
page 166
0.13/
8 min.
0.13/ 8 min.
0.13/
8 min.
0.34 / 20
min.
0.5 / 32 min. 0.08/ 5 min.
Phantom Placement
Beforeȱstartingȱmostȱcalibrations,ȱtheȱCalibrationȱ(Eye)ȱPhantomȱmustȱbeȱplacedȱinȱtheȱholderȱwithȱtheȱpinȱattachedȱinȱtheȱ
upperȱholeȱonȱtheȱfrontȱsurfaceȱofȱtheȱphantom.ȱTheȱphantomȱmustȱbeȱpositionedȱsoȱtheȱinnerȱlasersȱareȱalignedȱoverȱtheȱ
topȱedgeȱofȱtheȱmetalȱholderȱclampȱasȱshownȱinȱFigure 1Ȭ1ȱonȱpage 17.ȱȱPressȱtheȱzeroȱbuttonȱtoȱsetȱtheȱcouchȱpositionȱtoȱ
zero.ȱItȱisȱveryȱimportantȱthatȱtheȱcouchȱisȱproperlyȱzeroed.ȱ(NoteȱyouȱcanȱalsoȱzeroȱtheȱpanelȱthruȱCalibrationȱpullȱdownȱ
menu,ȱselectȱCalibrationȱCANȱInterfaceȱ>ȱCanȱUtilityȱ>ȱselectȱcommandȱ>ȱpanelȱzeroȱ>ȱthenȱsendȱcommandȱtoȱset.)ȱFromȱ
isocenterȱpositionȱmoveȱtheȱcouchȱsuchȱthatȱtheȱpinȱisȱ5cmȱdownȱforȱverticalȱpositioning,ȱSeeȱFigure 1Ȭ1ȱonȱpage 17.ȱ
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Afterȱthat,ȱtheȱcalibrationsȱwillȱautomaticallyȱpositionȱtoȱtheȱrequiredȱcouchȱpositionȱbasedȱonȱtheȱtypeȱofȱcalibrationȱ
selected.ȱReminderȱadviceȱwillȱbeȱpresentedȱatȱtheȱbeginningȱofȱeachȱcalibrationȱindicatingȱthatȱtheȱcouchȱshouldȱhaveȱbeenȱ
zeroedȱonȱtheȱphantomȱholderȱtopȱedge.ȱIfȱtheȱzeroȱprocedureȱhasȱalreadyȱbeenȱperformedȱandȱisȱstillȱaccurate,ȱthenȱtheȱ
zeroingȱdoesȱnotȱneedȱtoȱbeȱrepeated.
ReferȱtoȱFigure 1Ȭ1ȱonȱpage 17ȱforȱplacementȱofȱtheȱCalibrationȱEyeȱPhantom.ȱ
Ifȱtheȱphantomȱisȱnotȱproperlyȱpositionedȱ(levelȱandȱplumb)ȱforȱtheȱgivenȱcalibration,ȱthenȱtheȱcalibrationȱroutineȱshallȱ
adviseȱhowȱtheȱphantomȱmustȱbeȱrepositioned.ȱTheȱPhantomȱCalibrationȱisȱcenteredȱandȱplumbȱonlyȱneededȱforȱPhantomȱ
Calibration,ȱtheȱstepȱwouldȱthenȱhaveȱtoȱbeȱrepeated.ȱIfȱrunningȱautoȱcalibration,ȱitȱwouldȱrecoverȱtoȱtheȱstartȱofȱtheȱ
PhantomȱCalibration.ȱȱInȱorderȱtoȱmoreȱquicklyȱverifyȱcorrectȱphantomȱpositioningȱbeforeȱrestartingȱtheȱFullȱPhantomȱ
Calibrationȱprocedure,ȱtheȱuserȱmayȱchooseȱtoȱuseȱaȱSelectȱPhantomȱCalibration,ȱandȱselectȱonlyȱaȱPhantomȱ1ȱandȱPhantomȱ
2ȱscanȱpairȱ(sameȱscanȱparameters)ȱandȱuseȱthoseȱtwoȱscansȱtoȱmanuallyȱinvokeȱPhantomȱCalibrationȱviaȱtheȱCalibrationȱ
Interface.ȱIfȱtheȱcalibrationȱcompletesȱsuccessfully,ȱthenȱtheȱphantomȱpositioningȱpassesȱtheȱinternalȱverificationȱtests.ȱThisȱ
approachȱisȱonlyȱvalidȱifȱtheȱstaticȱairȱcalibrationȱwasȱrecentlyȱperformedȱ(itȱisȱdoneȱatȱtheȱstartȱofȱFullȱPhantomȱ
Calibration).ȱ
Note:
Thereȱareȱtwoȱeyeȱphantoms,ȱBR16/BR16Pȱusesȱoneȱsizeȱ(seeȱbelow)ȱandȱBR64T/BigȱBoreȱandȱIngenuityȱ
useȱanother.ȱReferȱtoȱFigure 1Ȭ1ȱ.
BR16/BR16PȱEyeȱPhantomȱ
ShortȱandȱTallȱsectionsȱforȱ
PhantomȱCalibration
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-1: EyeȱCalibrationȱPhantomȱ(exampleȱofȱplacement)
Broad and Wide
sections for
phantom calibration
Position laser over the
top edge as shown by
the red arrows
Pin
5 cm
Isocenter
Pin for X Mechanical
Alignment and DFS
Position Calibration
Position laser over the
top edge as shown by
the red arrows
HCOR Cals and some performance tests use the System Phantom, it also uses the top edge of holder for alignment to aid
in zeroing. Refer to Figure 1-2 on page 18.
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-2: DiagramȱofȱtheȱSystemȱPerformanceȱPhantomȱ
Position laser over the
top edge as shown by
the red arrows
HCORȱInfantȱCalsȱuseȱtheȱInfantȱPhantom,ȱitȱalsoȱusesȱtheȱtopȱedgeȱofȱholderȱforȱalignmentȱtoȱaidȱinȱzeroing.ȱReferȱtoȱ
Figure 1Ȭ3ȱonȱpage 19.ȱMakeȱsureȱtoȱenableȱInfantȱCalibrationȱfromȱtheȱPatientȱDirectoryȱ>ȱPreferencesȱ>ȱScannerȱOptionsȱ>ȱ
Scannerȱ>ȱselectȱInfant.
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-3: InfantȱPhantomȱ
Position laser over the
top edge as shown by
the red Line
459800962111ȱRevȱCȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
1.2.2
1.
2.
IMAGEȱCALIBRATIONȱSOFTWARE
Starting the Calibration Program
Log in as philips_service (Use the apporiate
password).
If necessary, start the Scanner Application from the
desktop icon:
Figure 1-4: CalibrationȱScanȱSelectorȱ
and then Close ESTOP,
3. After scanner application launch is completed.
Select Home>Utilities>Calibration to open the pull
down menu.
4.
From the Calibration menu pull down, click on
“Automatic/Selective Calibrations” which will start
the Selective Calibration as seen in Figure 1-4 on
page 20.
459800962111ȱRevȱCȱ
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5.
IMAGEȱCALIBRATIONȱSOFTWARE
From the “Calibration” main menu, The calibrations sequence listed in this Selector is the recommended sequence in
which calibrations should be run.
TheȱrecommendedȱsequenceȱstartsȱfromȱLoadȱGridȱVoltageȱDefaultsȱandȱendsȱatȱImageȱRotation.ȱ
Note:
6.
ImageȱRotationȱisȱonlyȱdisplayedȱifȱtheȱoptionȱisȱenabledȱinȱpreferences.
You will see the following screen. Make sure to follow the prompt, when working on the Gantry (Disable Rotor Drive
on page 22) and remove rotor power. Select OK and continue.
ȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Disable Rotor Drive
Disableȱtheȱrotorȱdriveȱasȱfollows:
1.
RemoveȱtheȱleftȱGantryȱcolumnȱpanelȱcover.
2.
PressȱtheȱGantryȱRebootȱbuttonȱ(blueȱbutton)ȱasȱshownȱinȱfigureȱbelow.ȱ
Figure 1-5: DisableȱtheȱRotorȱDrive
ȱ
Reboot Button as seen from the
rear end of the Gantry
Note:
459800962111ȱRevȱCȱ
Rotor Fuse as seen from the left
side of the Gantry
Inȱcaseȱtheȱrotorȱbuttonȱisȱnotȱpresent,ȱpullȱdownȱtheȱfuseȱasȱshownȱinȱfigureȱabove.ȱ
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ22
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IMAGEȱCALIBRATIONȱSOFTWARE
Load Recovery Functionality
Recovery from errors is a feature that allows a calibration sequence to be resumed from the point it was previously
interrupted due to error or a manual cancel command. When there was a previous error, the calibration application starts in
recover mode the next time. The failed step is highlighted in red.
• Clicking on ”Start Calibrations” recovers and resumes calibration from the failed point.
• When any other calibration is selected, the load recovery button flashes indicating the presence of a recovery
step.
• Clicking on the button gets you back to the above described state.
• Proceeding with any alternate selection overrides the recovery step.
The recovery prompt displayed is as follows:
Figure 1-6: RecoveryȱPrompt
This is a valuable feature as it saves time when errors are encountered on long calibration sequences like Full Air
Calibrations, phantom calibrations or automatically performed calibration.
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IMAGEȱCALIBRATIONȱSOFTWARE
Normal Mode
Defaultȱmodeȱofȱoperation.ȱMoreȱuserȱinteractionȱisȱrequiredȱinȱ“Normal”ȱmodeȱthanȱ‘Automatic”ȱmode.
Automatic Mode
Lessȱuserȱinteractionȱisȱrequiredȱinȱ“Automatic”ȱmode.ȱȱRedundantȱpromptsȱareȱremovedȱtoȱallowȱtheȱuserȱtoȱ
automaticallyȱtransitionȱfromȱoneȱcalibrationȱtoȱanother.
Advanced Mode
Warning:ȱThisȱmodeȱisȱintendedȱforȱadvancedȱusersȱonly.ȱTheȱfollowingȱdescribesȱtheȱfunctionalityȱofȱ“Advanced”ȱ
mode.
AdvanceȱModeȱprovidesȱsomeȱadditionalȱcapabilitiesȱlikeȱdisplayingȱplots,ȱoverridingȱdefaultȱsettingsȱandȱbypassingȱ
certainȱsteps.ȱTheseȱadvancedȱcapabilitiesȱwillȱbeȱusefulȱinȱspecificȱdiagnosticȱscenarios,ȱthatȱdeviateȱfromȱnormalȱ
operatingȱsequences.ȱThisȱmodeȱshouldȱbeȱusedȱonlyȱifȱappropriatelyȱtrained.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Calibration Help Buttons
ȱ
HelpȱpagesȱareȱHTMLȱpagesȱwithȱinformationȱtoȱprovideȱhelpȱwithȱsomeȱofȱtheȱcommonȱtasksȱthatȱtheȱuserȱmayȱencounterȱ
whileȱperformingȱcalibrations.ȱAȱfewȱexamplesȱofȱtheseȱtaskȱincludeȱaligningȱtheȱlaser,ȱremovingȱrotorȱpower,ȱetc.ȱTheseȱ
pagesȱcanȱbeȱseenȱbyȱclickingȱonȱtheȱcorrespondingȱȱ
ȱȱicon,ȱnextȱtoȱtheȱpromptȱstringȱwhichȱasksȱtheȱuserȱtoȱperformȱaȱ
particularȱtask.
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Results Functionality
Toȱmonitorȱtheȱcalibrationȱprocess,ȱclickȱonȱ“Results”ȱarrowȱbuttonȱtoȱdisplayȱscreen.ȱTheȱcurrentȱ“Results”ȱwindowȱwillȱ
showȱdetailsȱofȱtheȱcurrentȱcalibrationȱinȱprocess.ȱ
Results Arrow
PastȱCalibrationȱresultsȱcanȱbeȱviewedȱbyȱclickingȱ”ResultsȱButton”.ȱThisȱfunctionȱisȱhelpfulȱifȱerrorsȱoccurȱduringȱ
calibration,ȱselectingȱViewȱSequence,ȱViewȱTableȱandȱViewȱDetailsȱwillȱshowȱtheȱprocessȱorȱsequencesȱofȱcalibration.
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
1.3
IMAGEȱCALIBRATIONȱSOFTWARE
Calibration Procedures
Note:
1.3.1
TheȱAȬplaneȱEncoderȱCalibrationȱhasȱtoȱbeȱperformedȱ(only)ȱinȱcaseȱofȱcollimatorȱreplacement,ȱAȬPlaneȱ
EncoderȱCalibration ȱonȱpageȱ151.ȱ
Load Grid Voltage Defaults
Thisȱprocedureȱloadsȱtheȱmanufacturer’sȱdefaultȱcalibratedȱvaluesȱfromȱdifferentȱtypesȱofȱmedia.
AȱGraphicalȱUserȱInterfaceȱ(GUI)ȱisȱavailableȱtoȱmakeȱtheȱgridȱvoltageȱentriesȱintoȱtheȱconfigurationȱfilesȱofȱscannerȱ
software.ȱTheȱSelectorȱisȱlaunchedȱbyȱselectingȱtheȱoptionȱ“LoadȱGridȱVoltageȱDefaults”ȱatȱtheȱtopȱofȱtheȱlistȱinȱtheȱImageȱ
CalibrationsȱSelectorȱandȱthenȱclickingȱtheȱ“Startȱ”ȱbutton.ȱ
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459800962111ȱRevȱCȱ
IMAGEȱCALIBRATIONȱSOFTWARE
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1.
IMAGEȱCALIBRATIONȱSOFTWARE
Theȱsystemȱwillȱstartȱcalculatingȱandȱaȱquestionȱpromptȱwillȱappear.ȱ
Select to Load
Default
2.
Selectȱtheȱhardȱdriveȱ(HD)ȱfromȱtheȱ“LoadȱDefault”ȱscreen.ȱIfȱtheȱdefaultȱgridȱvoltagesȱhaveȱalreadyȱbeenȱsavedȱtoȱtheȱ
hardȱdiskȱfromȱanȱearlierȱtubeȱinstallation.ȱ
Note:
Forȱaȱnewȱtubeȱinstallation,ȱuseȱtheȱMediaȱoptionȱtoȱloadȱtheȱdefaultȱgridȱvoltagesȱprovidedȱbyȱtheȱtubeȱ
manufacturerȱonȱtheȱappropriateȱstorageȱmedia.ȱ
Aȱcopyȱofȱtheȱdefaultȱgridȱvoltageȱfileȱwillȱbeȱstoredȱonȱtheȱhardȱdiskȱ(HD)ȱduringȱthisȱstepȱforȱsubsequentȱ
loadingȱofȱdefaultȱgridȱvoltageȱvalues.ȱ
Alsoȱ(Edit)ȱselectionȱletsȱyouȱloadȱgridȱvoltagesȱmanuallyȱfromȱtheȱXȬrayȱtubeȱlabel,ȱifȱnoȱfileȱisȱ
available.ȱ
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3.
IMAGEȱCALIBRATIONȱSOFTWARE
Theȱdefaultȱgridȱvoltageȱvaluesȱareȱautomaticallyȱloaded.ȱPressȱOKȱatȱtheȱpromptȱtoȱcompleteȱtheȱstep.ȱ
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4.
IMAGEȱCALIBRATIONȱSOFTWARE
Ifȱtheȱgridȱvoltageȱdefaultsȱfileȱonȱtheȱhardȱdiskȱisȱcorruptȱorȱtheȱmediaȱisȱunavailable.ȱSelectȱEditȱinȱtheȱloadȱdefaultȱ
prompt.ȱTakeȱtheȱvaluesȱfromȱtheȱXȬrayȱtubeȱlabelȱandȱenterȱvoltagesȱinȱtheȱDefaultȱGridȱVoltageȱEntry.ȱEnterȱtubeȱ
serialȱ#ȱ(numberȱandȱtheȱinstallȱdateȱandȱtubeȱtype).ȱ
Figure 1-7: XȬrayȱTubeȱLabelȱlocationȱ
X-ray Tube Label with values
(Example)
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Enterȱtheȱdateȱinȱtheȱprescribedȱformatȱasȱshownȱinȱfigureȱbelowȱ(dayȬmonthȬyear).
Selectȱtheȱ“Saveȱ&ȱExit”ȱbuttonȱtoȱloadȱandȱstoreȱtheȱdefaultȱgridȱvalues.
ȱ
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1.3.2
IMAGEȱCALIBRATIONȱSOFTWARE
Rotor Balance Test
Rotor Balance Test is a procedure to measure rotor frame imbalance. This is accomplished by performing a 50 - revolution
acquisition and analyzing angular position data. Additional notes for Rotor Balance are available (refer to page 40 ).
TheȱstepsȱforȱperformingȱtheȱRotorȱBalanceȱprocedureȱviaȱtheȱSelectiveȱCalibrationȱSelectorȱapplicationȱareȱasȱfollows:ȱ
1.
SelectȱRotorȱBalanceȱTest,ȱClickȱonȱtheȱ“Start”ȱbutton.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
2.
Aȱmessageȱboxȱwillȱappearȱthatȱreads,ȱzeroȱtheȱcouchȱwithȱscanȱlaserȱatȱnotchȱonȱphantomȱ(orȱatȱfrontȱofȱcouchȱifȱnoȱ
phantomȱpresent).ȱFollowȱtheȱinstructionsȱonȱscreenȱandȱclickȱOKȱonȱtheȱuserȱpromptȱtoȱproceed.ȱ
3.
Theȱsystemȱwillȱcontinueȱwithȱtheȱrotorȱbalanceȱtest.ȱScanningȱ(NoȱXȬray,ȱAxial).ȱ
4.
Whenȱtheȱscanȱisȱcompleted,ȱmessageȱboxesȱwillȱappearȱafterȱseveralȱsecondsȱwithȱtheȱresultsȱofȱtheȱrotorȱbalanceȱtest.ȱ
Ifȱimbalanceȱisȱmoreȱthanȱ3ȱft.Ȭlb.ȱ(4.06ȱN/m),ȱadviceȱwillȱbeȱgivenȱforȱamountȱandȱstationȱforȱplacementȱofȱadditionalȱ
weightȱonȱtheȱfrontȱorȱrearȱofȱtheȱrotor.ȱ
Note:
TheȱRotorȱBalanceȱScanȱisȱdoneȱwithȱXȬraysȱOFF.ȱ
There may be a significant delay (over a minute) after scan completion as a large quantity of data is
transferred form CIRS to HOST. It may appear as if nothing is happening.
To view the result and images even after the rotor is in balance, the diagnostic mode has to be enabled.
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IMAGEȱCALIBRATIONȱSOFTWARE
If the rotor is not balanced, the message box will inform the user the amount of imbalance and the angular direction in
degrees in which the imbalance exists. It locates the nearest mechanical weight station where weights can be added
or removed to balance the rotor and indicates the amount of weight required.
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IMAGEȱCALIBRATIONȱSOFTWARE
Inȱphilips_service,ȱtheȱrotorȱisȱautomaticallyȱstoppedȱandȱpositionȱtoȱ0.ȱ
Followȱtheȱadviceȱofȱtheȱmessageȱbox.ȱWhenȱtheȱweightȱhasȱbeenȱadded/removed,ȱClickȱOKȱandȱcontinue.ȱInȱadditionȱ
toȱtheȱresultȱdialog,ȱanȱimageȱisȱdisplayedȱofȱtheȱfrontȱorȱrearȱofȱtheȱgantryȱtoȱindicateȱtheȱlocationsȱofȱtheȱmechanicalȱ
weightȱstations.ȱReferȱtoȱtheȱexampleȱbelowȱ(UniversalȱRotorȱIDȱ#19751).ȱ
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Neverȱremoveȱorȱaddȱweightȱtoȱtheȱbackȱofȱtheȱrotor.ȱThisȱwillȱaffectȱtheȱZȱbalance.
Rotor Configuration (ID #19751)
Figure 1-8: ȱWeightȱPlacementȱonȱSystemȱ
Note: These images are only for example: Please refer to the location of
weight stations as described in the software version AND system model of the
system you are currently servicing.
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IMAGEȱCALIBRATIONȱSOFTWARE
Table 2:
COORDINATES
STATION
NUMBER
X
Y
Z
R
.
NO TRIM
1
-14.28
12.67
4.26
19.10
311.5°
N/A
2
-18.57
1.89
-1.83
18.75
275.8°
N/A
3
-22.20
-21.26
4.00
30.74
226.2°
N/A
4
-16.72
-25.80
4.00
30.74
212.9°
N/A
5
-12.77
-27.96
4.00
30.74
204.5°
N/A
6
22.20
-21.26
4.00
30.74
133.8°
N/A
7
24.72
-18.49
4.00
30.87
126.8°
N/A
8
18.67
-1.38
1.14
18.72
94.2°
N/A
9
15.00
11.86
2.38
19.12
51.6°
NO TRIM
10
23.41
-14.92
-12.23
27.76
122.5°
N/A
11
18.39
-20.79
-12.23
27.76
138.5°
N/A
12
12.92
-24.56
-12.23
27.76
152.2°
N/A
13
N/A
N/A
N/A
N/A
N/A
N/A
14
-12.92
-24.56
-12.23
27.76
207.8°
N/A
15
-18.39
-20.79
-12.23
27.76
221.5°
N/A
16
-23.41
-14.92
-12.23
27.76
237.5°
N/A
17
-4.50
25.23
-14.19
25.62
349.9°
N/A
18
1.02
25.60
-14.19
25.62
2.3°
NO TRIM
19
6.50
24.80
-14.19
25.62
14.7°
NO TRIM
20
17.19
19.00
-13.94
25.62
42.1°
NO TRIM
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IMAGEȱCALIBRATIONȱSOFTWARE
Table 2:
COORDINATES
STATION
NUMBER
X
Y
Z
R
.
NO TRIM
21
20.88
14.87
-13.94
25.62
54.5°
NO TRIM
22
-24.72
-18.49
4.00
30.87
233.2°
NO TRIM
23
12.77
-27.96
4.00
30.74
155.5°
N/A
24
16.72
-25.80
4.00
30.74
147.1°
N/A
Note:
5.
Ifȱ3/8”Ȭ16ȱboltȱtorqueȱtoȱ23ȱftȬlbȱ(31.18ȱNm)ȱandȱuseȱloctiteȱ#242ȱor
Ifȱ1/2”Ȭ13ȱboltȱtorqueȱtoȱ56ȱftȬlbȱ(75.92ȱNm)ȱandȱuseȱloctiteȱ#242.ȱ
Afterȱplacing/removingȱweightȱonȱtheȱrotorȱandȱrestartingȱrotation,ȱpressingȱOKȱonȱtheȱpromptȱwillȱautomaticallyȱ
iterateȱtheȱcalibration.
This will complete the Rotor Balancing Test. Return to Selective Calibration to select the next calibration.
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IMAGEȱCALIBRATIONȱSOFTWARE
Additional Notes on Rotor Balancing
Note:
Neverȱremoveȱorȱaddȱweightȱtoȱtheȱbackȱofȱtheȱrotor.ȱThisȱwillȱaffectȱtheȱZȱbalance.
The default rotor motion control mode is called’ senseless vector’ mode, a complex mode that uses servo control to
maintain the required rotation speed within a tighter tolerance on the system. Rotor balance requires a special motion
control mode called’ volts per hertz’ mode which is simpler by nature and is required to get accurate phase (angular
direction) information of the rotor imbalance. The host has the control mode switching capability.
Miscellaneous Notes about Rotor Balancing:
1.
The calibration requires 50 revolution of axial scans, which is a lot of data. Therefore there is a wait of several seconds
after scan completion before you get the next prompt. This is normal. You need to wait for the change in prompts
before proceeding.
2.
While in ’volts-per hertz’ mode the braking characteristics are not as good as during the default mode, so you may
hear the brakes squeak when you stop the rotor for adjustments. For the same reason, it is not advised to use a speed
greater than 40 RPM while in this mode. The belt squeals get significantly louder at the higher speeds and causes
excess wear on the brakes. Also, the accuracy of the results is greater at lower RPMs.
3.
Previously balancing was done even before X-rays were turned on for the first time. Since we need a scan, Rotor
Balance is performed after filament calibration (pre-heats). The Mechanical engineers have a default set of weights
installed on the system which should have the system balanced close to spec. The Balance test should primarily be a
verification, unless a modified version or a different rev of a large system component like the tube or generator is
changed on the system (newer tubes could be up to 9 lbs. heavier than some of the early tubes).
The rotor balance calibration routine has been improved in current software releases. Subsequent rotor balance test
may generate errors in the displayed output. These error will not effect the operation of the system, but re-balancing of
the system is desirable.
A balancing kit is available for correcting balancing errors.
The General Purpose balance kit:
P/N 4535 670 82211 (This will be used for most balance situations occurring in the field, service kits, upgrades and
repairs).
P/N 4535 674 56131 (Mini Trim weight rotor balance kit).
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1.3.3
IMAGEȱCALIBRATIONȱSOFTWARE
Filament Calibration - Pass 1
TheȱgoalȱofȱtheȱFilamentȱCalibrationȱstepȱisȱtoȱperformȱinternalȱcalibrationȱofȱtheȱfilamentȱcurrentȱonȱtheȱXȬRayȱtube.ȱThereȱ
areȱtwoȱstagesȱofȱFilamentȱCalibration.ȱTheȱsecondȱstageȱisȱperformedȱafterȱDFSȱPositionȱcalibration.ȱTheȱcalibrationȱ
procedureȱisȱperformedȱbyȱrepeatedȱairȱscansȱforȱeachȱscannerȱatȱvariousȱmAȱvalues.ȱ
Procedure
TheȱFilamentȱCalibrationȱusesȱtheȱUndeflectedȱgridȱvoltages.ȱDefaultȱgridȱvaluesȱareȱsuppliedȱbyȱtheȱtubeȱmanufacturerȱ
andȱloadedȱonȱFloppyȱorȱCD.ȱ
1.
FromȱSelectiveȱCalibration,ȱselectȱtheȱFilamentȱCalibrationȱandȱclickȱonȱ“Start”ȱbutton.ȱ
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
TheȱFilamentȱscreenȱappears,ȱfollowȱtheȱinstructionsȱonȱscreenȱandȱselect,ȱthenȱtheȱnextȱuserȱpromptȱappearsȱandȱselectȱ
OKȱtoȱproceed.ȱ
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WARNING:
IMAGEȱCALIBRATIONȱSOFTWARE
X-ray and gamma-rays are present during this procedure.
3.
Wait,ȱtheȱsystemȱwillȱbeginȱinitializingȱthroughoutȱtheȱfilamentȱcalibrations.ȱ
4.
Toȱseeȱcurrentȱresults,ȱselectȱtheȱȱ
ȱȱ“Results”ȱarrowȱtoȱviewȱeachȱstationȱ(mAȱspotȱsize)ȱbeingȱcalibrated.ȱ
Note for each station (mA spot size) you will get a succeed and proceed to next station.
Whenȱcalibrationȱisȱcompleteȱtheȱstatusȱwillȱshowȱ“completed”.ȱReturnȱtoȱSelectiveȱCalibrationȱtoȱselectȱtheȱnextȱ
calibration.ȱ
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1.3.4
IMAGEȱCALIBRATIONȱSOFTWARE
Bad Detector
There is one pair of bad detector lists (a normal list and a special list including blocked channels from the ultra-high
collimator comb). Both lists are generated at the same time. There should be no bad detectors on the default bad detector
list during system installation. Adding bad channels to the list serves only as a temporary measure to mitigate image quality
until a service engineer can replace bad modules.
1.
SelectȱBadȱDetectorȱfromȱtheȱSelectiveȱCalibration,ȱthenȱclickȱonȱtheȱ“Start”ȱButton.
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2.
TheȱsystemȱwillȱcontinueȱwithȱtheȱBadȱDetectorȱtest.ȱToȱlocateȱbadȱdetectors,ȱviewȱtheȱcalibrationȱpullȱdownȱmenuȱ
selectȱdiagnosticȱ>ȱbadȱsegmentsȱ>ȱselectȱoperationȱ(Manual)ȱtoȱviewȱBadȱDetectionȱElements.
WARNING:
3.
IMAGEȱCALIBRATIONȱSOFTWARE
X-ray and gamma-rays are present during this procedure.
ȱȱWhenȱtheȱscanȱisȱcompleted,ȱmessageȱboxȱwillȱappear.ȱ
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459800962111ȱRevȱCȱ
IMAGEȱCALIBRATIONȱSOFTWARE
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IMAGEȱCALIBRATIONȱSOFTWARE
Bad Detector Test
The application searches for “dead” or out of spec (FEE test-wise) detectors, which are excluded from the calibration
when the user adds the bad detectors found to the bad detector list. It looks at both dead channels (no signal with Xray on) and always on channels (signal with x-ray off). Both kinds are considered bad detectors.
Automatic Update Procedure
When automatically updating the Bad Segments Table, you instruct the system to perform an automatic scan and then
present bad detector information resulting from this scan. See figure below for a description of the Bad Detector
Results screen functions.
After the bad detector information is presented, select the slice and detector data pairs to add to the Bad Segments
Table.
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IMAGEȱCALIBRATIONȱSOFTWARE
TestsȱdifferentȱMUXȱmodesȱ(sliceȱwidthsȱonȱtheȱDMS)
1
1
2
Add to Current Move selected bad detectors from the columns
Table
above to the Current Table
list below.
3
Plot with X-Ray Plots reference detectors
signal and dead channels,
showing upper and lower
limits.
4
Plot without X- Plots detector noise, values
Ray
and reference detector values, showing upper and
lower limits.
5
Add
Window opens prompting
you to manually add bad detector to the current table.
6
Delete
Delete specific detectors
highlighted by mouse from
Current Table
7
Save / Close
Save Current Tables and
Exit.
8
Cancel
Exit without Save.
Note: Selective Calibration
will stop calibration sequence.
3
2
5
459800962111ȱRevȱCȱ
4
6
7
8
Function
Description
Automatically In case of suspiciously large
Calculated Bad lists, make sure to “Show
Results”.
Detectors
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Note:
Inȱcaseȱaȱlotȱofȱbadȱdetectorsȱwereȱfoundȱinȱoneȱofȱtheȱexternalȱslices,ȱitȱmayȱbeȱdueȱtoȱmisalignmentȱofȱtheȱ
XRTȱtubeȱorȱtheȱAȬplane.ȱInȱthisȱcase,ȱrepeatȱtheȱtestȱafterȱsuccessfulȱcompletionȱofȱXRTȱMechanicalȱ
AlignmentȱandȱAȬPlaneȱZȬMechanicalȱAlignment.ȱIf,ȱafterȱrepeatingȱtheȱtest,ȱbadȱdetectorsȱareȱstillȱ
found,ȱreplaceȱtheȱcorrespondingȱmoduleȱ(seeȱDetectorsȱPerȱModuleȱReferenceȱTableȱbelow).
Detectors
Module #
IMAGEȱCALIBRATIONȱSOFTWARE
Detectors
Per Module
Module #
Detectors
Reference Table
Module #
Detectors
1
ȱȱ1ȱȱȱȱȱȱtoȱȱȱȱȱ16
18
273ȱȱȱȱtoȱȱȱȱȱ288
35
545ȱȱȱȱtoȱȱȱȱȱ560
2
17ȱȱȱȱȱtoȱȱȱȱȱ32
19
289ȱȱȱȱtoȱȱȱȱȱ304
36
561ȱȱȱȱtoȱȱȱȱȱ576
3
33ȱȱȱȱȱtoȱȱȱȱȱ48
20
305ȱȱȱȱtoȱȱȱȱȱ320
37
577ȱȱȱȱtoȱȱȱȱȱ592
4
49ȱȱȱȱȱtoȱȱȱȱȱ64
21
321ȱȱȱȱtoȱȱȱȱȱ336
38
593ȱȱȱȱtoȱȱȱȱȱ608
5
65ȱȱȱȱȱtoȱȱȱȱȱ80
22
337ȱȱȱȱtoȱȱȱȱȱ352
39
609ȱȱȱȱtoȱȱȱȱȱ624
6
81ȱȱȱȱȱtoȱȱȱȱȱ96
23
353ȱȱȱȱtoȱȱȱȱȱ368
40
625ȱȱȱȱtoȱȱȱȱȱ640
7
ȱȱ97ȱȱȱȱȱtoȱȱȱȱȱ112
24
369ȱȱȱȱtoȱȱȱȱȱ384
41
641ȱȱȱȱtoȱȱȱȱȱ656
8
113ȱȱȱȱtoȱȱȱȱȱ128
25
385ȱȱȱȱtoȱȱȱȱȱ400
42
657ȱȱȱȱtoȱȱȱȱȱ672
9
129ȱȱȱȱtoȱȱȱȱȱ144
26
401ȱȱȱȱtoȱȱȱȱȱ416
43ȱ*
673ȱȱȱȱtoȱȱȱȱȱ688
10
145ȱȱȱȱtoȱȱȱȱȱ160
27
417ȱȱȱȱtoȱȱȱȱȱ432
44ȱ*
689ȱȱȱtoȱȱȱȱȱ704
11
161ȱȱȱȱtoȱȱȱȱȱ176
28
433ȱȱȱȱtoȱȱȱȱȱ448
45ȱ*
705ȱȱȱȱtoȱȱȱȱȱ720
12
177ȱȱȱȱtoȱȱȱȱȱ192
29
449ȱȱȱȱtoȱȱȱȱȱ464
46ȱ*
721ȱȱȱȱtoȱȱȱȱȱ736
13
193ȱȱȱȱtoȱȱȱȱȱ208
30
465ȱȱȱȱtoȱȱȱȱȱ480
47ȱ*
737ȱȱȱȱtoȱȱȱȱȱ752
14
209ȱȱȱȱtoȱȱȱȱȱ224
31
481ȱȱȱȱtoȱȱȱȱȱ496
48ȱ*
753ȱȱȱȱtoȱȱȱȱȱ768
15
225ȱȱȱȱtoȱȱȱȱȱ240
32
497ȱȱȱȱtoȱȱȱȱȱ512
49ȱ*
769ȱȱȱȱtoȱȱȱȱȱ784
16
241ȱȱȱȱtoȱȱȱȱȱ256
33
513ȱȱȱȱtoȱȱȱȱȱ528
50ȱ*
785ȱȱȱȱtoȱȱȱȱ800
17
257ȱȱȱȱtoȱȱȱȱȱ272
34
529ȱȱȱȱtoȱȱȱȱȱ544
51ȱ*
801ȱȱȱȱtoȱȱȱȱȱ816
*ͲOnlyonBigBore
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Followingȱaȱmoduleȱreplacementȱdon’tȱforgetȱtoȱdeleteȱtheȱbadȱdetectorȱrelevantȱtoȱtheȱmoduleȱthatȱwasȱ
replaced.ȱFollowingȱaȱDMSȱreplacementȱdon’tȱforgetȱtoȱdeleteȱallȱbadȱdetectors.ȱ
Alternate Methods
IfȱtheȱAutomaticȱBadȱDetectorȱCalibrationȱdoesȱnotȱeliminateȱallȱBadȱDetectorȱRingsȱonȱtheȱimages:ȱ
a. OpenȱtheȱRingȱIDȱDiagnosticȱtoolȱorȱRawȱDataȱviewingȱtoolȱ(analysisȱorȱMATLABȱCalibrationȱInterface)ȱtoȱ
manuallyȱlocateȱBadȱDetectors.
b. EnterȱtheȱBadȱDetectorsȱlistȱonȱtheȱBadȱDetectorȱInterfaceȱtoȱcompleteȱtheȱcalibration.
c. ReturnȱtoȱSelectiveȱCalibrationȱtoȱselectȱtheȱnextȱcalibration.ȱ
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1.3.5
Note:
1.
IMAGEȱCALIBRATIONȱSOFTWARE
XRT Mechanical Alignment
Theȱtwoȱsteps,ȱXRTȱXȬMechanicalȱandȱXRTȱZȬMechanicalȱalignmentȱhaveȱbeenȱcombinedȱintoȱaȱsingleȱ
step.ȱEachȱiterationȱcollectsȱmultipleȱscansȱtoȱdetermineȱmisalignmentȱinȱbothȱdirectionsȱandȱadvisesȱ
accordingly.ȱThisȱhelpsȱreduceȱtheȱnumberȱofȱtimesȱtheȱtubeȱmountingȱhasȱtoȱbeȱloosenedȱforȱadjustments,ȱ
therebyȱreducingȱtheȱtimeȱrequiredȱforȱtubeȱalignment.ȱ
FromȱtheȱSelectiveȱCalibration,ȱselectȱtheȱXRTȱMechanicalȱAlignȱandȱclickȱonȱtheȱ“Start”ȱbutton.ȱMakeȱsureȱtheȱcouchȱ
hasȱbeenȱproperlyȱzeroed.
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IMAGEȱCALIBRATIONȱSOFTWARE
2.
Theȱnextȱscreenȱappears,ȱfollowȱtheȱinstructionȱstepsȱandȱcontinueȱtheȱprocess.ȱ
3.
Makeȱsureȱtheȱcouchȱhasȱbeenȱproperlyȱzeroed,ȱselectȱOKȱ(waitȱscanningȱinȱprocess).ȱ
4.
NoteȱtheȱsystemȱwillȱstartȱwithȱanȱinitialȱwarmȬupȱandȱthenȱproceedȱtoȱanȱincrementalȱwarmȬupȱprocess.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
5.
IfȱtheȱXRTȱMechanicalȱAlignmentȱisȱwithinȱspecificationsȱtheȱstatusȱwillȱshowȱcompleted.ȱAnȱInȱSpecȱresultȱscreenȱ
appearsȱ(referȱtoȱpage 59).ȱ
6.
Ifȱyouȱneedȱtoȱviewȱtheȱalignmentsȱresults,ȱselectȱtheȱ“ViewȱDetails”ȱbuttonȱtoȱreviewȱtheȱcurrentȱresults.ȱ
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7.
IMAGEȱCALIBRATIONȱSOFTWARE
Ifȱtheȱtubeȱrequiresȱmechanicalȱalignmentȱtheȱadjustmentȱrecommendationȱwillȱbeȱprecededȱbyȱtheȱmessageȱ“Stoppingȱ
theȱRotorȱtoȱ0ȱdegrees”.
ȱ
ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Mechanical adjustment advice is now also given in fractions of a turn (e.g., 3/8 of a turn).
Rotor is positioned automatically when tube adjustment advice is given.
Z-RPM value for A Plane is automatically set to 0 via the CAN Interface (non O-level)
- Tube z-alignment must presume A Plane setting for 60 RPM is reasonable; this relies on the A Plane unit
calibration, performed on a jig external to the gantry installation
- A Plane Z-Mechanical calibration MUST be performed after XRT Mechanical tube adjustments (even if no XRT
adjustment was made, 60 RPM value has been zeroed...)
WARNING:
8.
ALWAYS SHUT DOWN THE ELECTRICAL POWER. HAZARDOUS VOLTAGES INSIDE WHILE
WORKING ON EQUIPMENT WITH POWER ON. USE EXTREME CAUTION. FAILURE TO DO SO MAY
RESULT IN SERIOUS INJURY OR DEATH.
Ifȱnecessary,ȱopenȱtheȱGantryȱCoverȱandȱmakeȱtheȱproperȱadjustmentȱatȱtheȱxȬrayȱtube,ȱaccordingȱtoȱtheȱMechanicalȱ
AlignmentȱResultsȱwindowȱ(seeȱbelowȱforȱdetails)ȱthenȱiterateȱtheȱprogramȱbyȱselectingȱOKȱinȱtheȱXRTȱMechanicalȱ
AlignmentȱResultȱwindowȱuntilȱtheȱcalibrationȱpasses.
Z-mechanical Alignment Procedure
9.
LowerȱtheȱPatientȱSupportȱandȱmoveȱtheȱsubȱframeȱoutȱfromȱtheȱGantry.ȱOpenȱtheȱfrontȱcoverȱandȱremoveȱtheȱfrontȱ
cone.ȱLoosenȱtheȱfourȱtubeȱbaseplateȱmountingȱbolts.ȱReferȱtoȱFigure 1Ȭ9ȱonȱpage 56.ȱ
10. LoosenȱtheȱtwoȱZȱmechanicalȱboltsȱasȱshownȱinȱFigure 1Ȭ10ȱonȱpage 56.ȱThisȱisȱnecessaryȱforȱtheȱtubeȱtoȱmoveȱinȱtheȱZȱ
direction.ȱ
11. Adjustȱtheȱmechanicalȱpositionȱviaȱtheȱalignmentȱscrew.ȱTurnȱtheȱscrewȱasȱindicated,ȱreferȱtoȱFigure 1Ȭ10ȱonȱpage 56.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-9: MechanicalȱAlignmentȱAdjustments
Note: Adjustment straddle plate
has 8 marks on it for the alignment screw to reference from.
Turn the screw as indicated, example 3/8 mean to move the
screw in 3 marks. Also it may say
to move 10/8 which would mean
to make one complete turn plus 2
marks.
Figure 1-10: ZȬMechanicalȱAdjustmentȱofȱMRCȱ880ȱXȬrayȱTube
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TORQUE TO 4FT-LBS
(5.4 N/m) LOCTITE #222
TORQUE TO 10.5 FT-LB
(14.24 Nm) LOCTITE #242
Socket Head
Cap Screws
IMAGEȱCALIBRATIONȱSOFTWARE
Z-TUBE
ADJUSTMENT
SCREW (40TPI)
TUBE
ADJUSTMENT
LABEL
Z-ADJUSTMENT
STATIC BLOCK
BOTTOM
Z-ADJUSTMENT
PLATE
Z-Mechanical Alignment Assembly
Z-ADJUSTMENT
STRADDLE PLATE
SOCKET HEAD
CAP SCREW
TORQUE TO 10.5 FT-LB
(14.24 Nm) LOCTITE #242
12. Theȱtwoȱbaseplateȱscrewsȱmustȱbeȱtightenedȱfirstȱtoȱ15ȱin/lbsȱ(1.964ȱN/m).ȱThenȱtightenȱtheȱloosenedȱtubeȱbaseplateȱ
mountingȱboltsȱtoȱ56ȱft./lbs.ȱ(75.925ȱN/m).ȱ
WARNING:
459800962111ȱRevȱCȱ
Always shut down the electrical power. Hazardous voltages inside while working on equipment with power
on. use extreme caution. Failure to do so may result in serious injury or death.
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IMAGEȱCALIBRATIONȱSOFTWARE
X-mechanical Alignment Procedure
13. LowerȱtheȱPatientȱSupportȱandȱmoveȱtheȱsubȱframeȱoutȱfromȱtheȱGantry.ȱOpenȱtheȱfrontȱcoverȱandȱremoveȱtheȱfrontȱ
cone.ȱLoosenȱtheȱfourȱtubeȱbaseplateȱmountingȱbolts.ȱReferȱtoȱFigure 1Ȭ9ȱonȱpage 56.
14. LoosenȱtheȱtwoȱXȱmechanicalȱboltsȱasȱshownȱinȱFigure 1Ȭ11ȱforȱMRC.ȱThisȱisȱnecessaryȱforȱtheȱtubeȱtoȱmoveȱinȱtheȱXȱ
direction.ȱ
15. Adjustȱtheȱmechanicalȱpositionȱviaȱtheȱsetȱscrew.ȱTurnȱtheȱscrewȱasȱindicated,ȱreferȱtoȱFigure 1Ȭ9ȱonȱpage 56.ȱ
Figure 1-11: XȬMechanicalȱAdjustmentȱforȱMRCȱTube
TORQUE TO 4FT-LBS
(5.4 N/m) - LOCTITE #222
TUBE
X-ADJUSTMENT
BLOCK
Socket Head
Cap Screws
TORQUE TO 10.5 FT-LB
(14.24 Nm) & LOCTITE #242
X-ADJUSTMENT
STRADDLE PLATE
TORQUE TO 10.5 FT-LB
(14.24 Nm) & LOCTITE #242
X-ADJUSTMENT
BASEPLATE
X-Mechanical Alignment Assembly
Z-TUBE
ADJUSTMENT
SCREW (40TPI)
16. The two baseplate screws must be tightened first to 15 in/lbs (1.964 N/m). Then tighten the loosened tube mounting
bolts to 56 ft./lbs. (75.925 N/m).
17. Iterate the test until it passes specification.
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Note:
459800962111ȱRevȱCȱ
IMAGEȱCALIBRATIONȱSOFTWARE
PerformȱtheȱLoadingȱAȬPlaneȱCalibrationȱConstants ȱonȱpageȱ181,ȱrightȱafterȱXRTȬMechanicalȱ
Alignment.
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1.3.6
IMAGEȱCALIBRATIONȱSOFTWARE
A-Plane Z-Mechanical Alignment
This test utilizes the DMC Utility. There is one Z-position value of A-Plane Collimator blade position corresponding to each
scan speed. The values are in micrometers and are initially set to zero during A-Plane collimator installation.
1.
FromȱSelectiveȱCalibration,ȱselectȱtheȱAȱPlaneȱZȬMechanicalȱCalibrationȱandȱclickȱonȱ“Start”ȱbutton.ȱMakeȱsureȱtheȱ
couchȱhasȱbeenȱproperlyȱzeroed.ȱTheȱsystemȱperformsȱbothȱoffsetȱandȱskewȱcalibrationsȱatȱeachȱspeed.
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
Selectȱtheȱrotationȱtime(s)ȱtoȱbeȱcalibratedȱorȱselectȱallȱ(Defaultȱisȱallȱselected)ȱinȱtheȱscreenȱandȱselectȱ“StartȱScanning”ȱ
toȱcontinueȱtheȱprocess.
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3.
FollowȱtheȱinstructionȱstepsȱinsideȱtheȱpromptȱandȱselectȱOKȱtoȱcontinueȱtheȱprocess.ȱ
Note:
WARNING:
4.
IMAGEȱCALIBRATIONȱSOFTWARE
Itȱisȱveryȱimportantȱtoȱhaveȱtheȱtubeȱheatȱatȱaȱconsistentȱpercentage.ȱAutomaticȱwarmȬupȱwillȱkeepȱtheȱ
tubeȱasȱcloseȱtoȱ50%ȱasȱpossible.ȱTubeȱheatȱfluctuationsȱcanȱaffectȱwhetherȱorȱnotȱaȱtestȱwillȱcontinueȱtoȱ
pass.ȱ
X-ray and gamma-rays are present during this procedure.
Openȱtheȱviewȱsequenceȱscreenȱtoȱviewȱtheȱcurrentȱsequence,ȱitȱautomaticallyȱiteratesȱatȱaȱgivenȱscanȱspeedȱuntilȱtheȱAȬ
Planeȱisȱalignedȱatȱthatȱspeed.ȱTheȱroutineȱstartsȱatȱ0.4ȱsecȱ(143ȱRPM)ȱstaticȱandȱproceedsȱtoȱtheȱnextȱscanȱspeedȱuponȱ
completionȱtillȱallȱsevenȱscanȱspeedsȱareȱcompleted.ȱ
For each iteration, the test will display screen results “In Spec” or an “Out of Spec” screen with micrometers that the APlane collimator blades must move.
If an error message appears, close out the error boxes, follow the screen and click on the “Recovery Loaded” button.
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IMAGEȱCALIBRATIONȱSOFTWARE
5.
Followȱallȱtheȱpromptsȱuntilȱtheȱ“AȱPlaneȱZȬMechanicalȱAlignment”ȱstatusȱcompletedȱisȱdisplayed.ȱ
6.
ThisȱwillȱcompleteȱtheȱAȱPlaneȱZȬMechanicalȱAlignment.ȱReturnȱtoȱtheȱImageȱCalibrationȱtoȱselectȱtheȱnextȱcalibration.ȱ
IMPORTANT: The A-Plane calibration routine uses processed prep data instead of raw data for
calculations. Some special Air calibrations with collimator blades wide open are used for this
step.
Therefore Air Calibrations MUST always be run before returning to clinical application, after
completing A-Plane Z alignment step.
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IMAGEȱCALIBRATIONȱSOFTWARE
Failure to do so can result in dark images from scans at certain settings. Refer to installation
notes for details.
A-Plane Skew (If Required)
Note:
ȱPerformȱAȬplaneȱZȬalignmentȱonlyȱifȱtheȱcalibrationȱcomplainsȱaboutȱtheȱskewȱ(i.e,ȱfails).ȱOtherwise,ȱ
youȱareȱreȬperformingȱAȬplaneȱZȬalignmentȱtoo.
7.
EnsureȱtheȱZȬRPMȱValuesȱinȱtheȱAȬplaneȱDMCȱUtilityȱhaveȱbeenȱcleared.ȱUseȱtheȱAȬplaneȱutilityȱsequenceȱofȱClear/
Setzc/Getzcȱtoȱclear,ȱset,ȱandȱverifyȱvalues.ȱTHISȱWILLȱPERMANENTLYȱERASEȱTHEȱOLDȱVALUES.ȱ
8.
Theȱscansȱneedȱtoȱbeȱcollectedȱatȱaȱtubeȱheatȱofȱ47%ȱȬ53%ȱtubeȱheat.ȱPreheatȱtheȱtubeȱasȱrequired.ȱ
9.
EnterȱtheȱappropriateȱZȬAlignmentȱ(ZȬRPM)ȱdataȱintoȱtheȱAȬPlaneȱUtilityȱGUIȱscreenȱshownȱbelow.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
10. Theȱuserȱmustȱpressȱtheȱ”SetȱZC”ȱbuttonȱtoȱstoreȱtheȱvaluesȱbeforeȱproceeding.ȱThisȱcalibrationȱstepȱshallȱbeȱrepeatedȱ
untilȱtheȱspecifiedȱtoleranceȱisȱachievedȱatȱallȱscanȱspeeds.ȱ
11. SelectȱAȬPlaneȱZȱMechanicalȱCalibrationȱfromȱtheȱSelectiveȱCalȱScanȱGUIȱandȱStartȱCalibration.ȱMultipleȱscansȱcanȱbeȱ
marked.ȱThereȱisȱnoȱneedȱtoȱremarkȱscansȱthatȱhaveȱpassed.ȱFollowȱallȱtheȱpromptsȱuntilȱtheȱ”AȬPlaneȱZȱmechanicalȱ
CalibrationȱCompleted”ȱpromptȱisȱdisplayed.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
12. IfȱtheȱDMSȱdetectsȱanȱimbalanceȱgreaterȱthanȱ+/Ȭȱ5%ȱinȱtheȱradiationȱreceivedȱbetweenȱ”A”ȱandȱ”B”ȱslices,ȱaȱ”Skewȱ
Warning”ȱdialogueȱboxȱwillȱbeȱdisplayed.ȱNoȱwarningȱisȱissuedȱifȱtheȱskewȱisȱlessȱthanȱ5%.ȱTheȱwarningȱwouldȱappearȱ
atȱtheȱendȱofȱtheȱtest.ȱTheȱwarningȱwillȱlookȱsimilarȱtoȱtheȱimageȱbelow:ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
13. Useȱtheȱfollowingȱchartȱtoȱdetermineȱtheȱamountȱofȱshimȱfromȱtheȱshimȱkitȱthatȱisȱrequiredȱtoȱcorrectȱtheȱskew.
14. Recordȱtheȱ6ȱfinalȱZȬPositionȱsettingsȱinȱtheȱsystemȱdataȱbook.ȱ
Windows similar to pictures shown above will/can pop-up during the automated A-plane Z-mechanical
alignment test.
If you do not get a warning screen on what the skew is, you can use the Green Result windows above to figure the
skew out. Just subtract the Right Detectors percentage amount from the Left Detectors percentage amount. For
example:
1.80 - (+0.54) = 1.26% Skew
Or for a negative value on the right detector:
3.25 - (-1.2) = 4.45% Skew
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
IfȱyouȱaddȱorȱremoveȱshimsȱthenȱafterwardȱyouȱwillȱneedȱtoȱverifyȱXRTȱmechanicalȱalignmentȱagain.
15. Determineȱwhichȱsideȱwillȱrequireȱshimming:ȱLookȱatȱtheȱXRTȱZȱMechanicalȱAlignmentȱResultsȱ(shownȱabove).ȱTakeȱ
theȱlowestȱpercentageȱvalueȱfromȱtheȱleftȱandȱrightȱdetectorȱandȱaddȱshimȱtoȱthatȱside.ȱ(Ignoreȱ+ȱorȱȬȱwhenȱdeterminingȱ
this).ȱ
Adding Shim(s)
1.
Onceȱtheȱshimȱwarningȱisȱgiven,ȱtheȱuserȱmustȱdetermineȱwhereȱtoȱplaceȱtheȱselfȬadhesiveȱshim(s).ȱThisȱcanȱbeȱ
determinedȱbyȱtheȱpositioningȱtheȱrotorȱwithȱtheȱcollimatorȱatȱ6ȱo’clockȱ(positionȱ1800),ȱdetectorȱ”1”ȱonȱtheȱDMSȱisȱonȱ
theȱleftȬmostȱsideȱandȱdetectorȱ“672”ȱisȱonȱtheȱrightȱasȱshownȱbelow:ȱ
DMS
672 - Right
1 - Left
Tube
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
WithȱtheȱAȬPlaneȱcollimatorȱremovedȱfromȱtheȱrotorȱandȱobservingȱitȱfromȱtheȱrear,ȱtheȱ”1”ȱsideȱisȱonȱtheȱleftȱandȱtheȱ
”672”ȱsideȱisȱonȱtheȱrightȱasȱshownȱabove.
ȱ
3.
RemoveȱtheȱadhesiveȱlinerȱfromȱtheȱshimȱandȱpressȱitȱtoȱtheȱrearȱofȱtheȱcollimatorȬmountingȱbossȱonȱtheȱ”Detectorȱ672”ȱ
side.ȱȱȱNote:ȱIfȱtwoȱshimsȱareȱrequired,ȱplaceȱtheȱ2ndȱshimȱonȱtopȱofȱtheȱ1stȱshim.ȱTheȱproperȱplacementȱisȱbetweenȱtheȱ
twoȱmountingȱholesȱasȱshownȱabove.ȱ
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
95%ȱofȱtheȱsystemsȱhaveȱshownȱskewȱonȱtheȱ“672”ȱDetectorȱside.ȱȱIfȱyouȱhappenȱtoȱseeȱanȱincreaseȱ
ofȱskewȱafterȱshim(s)ȱinstallation,ȱremoveȱtheȱcollimatorȱandȱpositionȱtheȱshim(s)ȱonȱtheȱoppositeȱ
side.ȱ
Calibrations Required
1.
ThisȱlistȱisȱtheȱREQUIREDȱcalibrationsȱnecessaryȱtoȱrunȱafterȱshimmingȱtheȱAȬPlaneȱCollimator.ȱȱȱAtȱthisȱpointȱthereȱ
shouldȱbeȱNOȱskewȱwarningsȱthatȱappearȱafterȱtheȱXRTȱZȬMechanicalȱCalibrationȱisȱrun.ȱALLȱtheȱCalibrationsȱinȱtheȱ
SelectiveȱCalibrationȱlistȱshouldȱbeȱrun.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
ȱ
DETECTOR ARRAY SKEW
When the X-ray beam Z-orientation is skewed relative to the detector array arc, different segments of the detector
would be subjected to X-radiation variation in the Z-direction. In order to calculate the average X-radiation Z-position of
the whole detector arc, both ends of the detector array arc radiation data would be utilized.
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-12: DetectorȱArrayȱandȱRadiationȱGeometryȱwithȱSkewȱ
Detector Array
Ingenuity CT: mu values from sample #2 of the two opposite end
rows are averaged over stipulated
number of views to get values: A1
and B1.
Note: Detector array are only shown the two
opposite end logical rows (row A and row B) for
the purpose of Z-tracking illustration.
Ingenuity CT: mu values from sample
#671 of the two opposite end rows are
averaged over stipulated number of
views to get values: A2 and B2.
Skew = L - R
The causes of the X-ray beam skew may be due to A-Plane collimator blade orientation, collimator mechanical
mounting, etc. The effect of the skew on the Z error ratio is most prominent at the smaller slice thicknesses.
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1.3.7
1.
IMAGEȱCALIBRATIONȱSOFTWARE
XRT FS Width Calibration
FromȱSelectiveȱCalibrationȱSelector,ȱselectȱtheȱXRTȱFSȱWidthȱCalibrationȱandȱclickȱonȱ“Start”ȱbutton.ȱ
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
Allȱscansȱwillȱbeȱselected.ȱClickȱonȱtheȱ“Continue”ȱbutton.ȱ
Example Only - this is for
Brilliance 64.
Note: Brilliance 16 and Big
Bore only have 90, 120 and
140 kVp.
3.
FollowȱtheȱinstructionȱstepsȱinsideȱtheȱpromptȱandȱselectȱOKȱtoȱcontinueȱtheȱprocess.ȱ
The system will perform several air calibrations and calculations.
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4.
PressȱEnableȱifȱprompted.ȱScanningȱwillȱbegin.ȱ
Note:
WARNING:
5.
IMAGEȱCALIBRATIONȱSOFTWARE
IntensityȱCalibrationsȱareȱdoneȱduringȱtheȱAirȱScansȱwithȱsmallȱfocalȱspots.
X-ray and Gamma-rays are present during this procedure.
Afterȱtheȱairȱscansȱandȱcalculationsȱareȱcompleted,ȱtheȱfollowingȱpromptȱappears.ȱ
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6.
IMAGEȱCALIBRATIONȱSOFTWARE
Followȱtheȱinformationȱwithinȱtheȱuserȱprompt.ȱ
Open the Gantry to gain access to the Tungsten Slit.
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Note:
WARNING:
IMAGEȱCALIBRATIONȱSOFTWARE
Whenȱservicingȱequipment,ȱInserting/Removingȱtheȱtungstenȱslitȱmakeȱsureȱtoȱdisableȱtheȱrotorȱdrives.ȱ
Hazardous voltages inside during this procedure. Take special care in servicing equipment in
this situation. Failure to do so can result in serious injury or death.
Figure 1-13: TungstenȱSlitȱ(example)
ȱ
Slit
Note:
459800962111ȱRevȱCȱ
Thisȱȱ
ȱȱedgeȱofȱtheȱtungstenȱstripȱlinesȱupȱwithȱtheȱedgeȱofȱtheȱtubeȱshelfȱwhenȱboltedȱinȱtheȱcorrectȱ
positionȱasȱshownȱabove.
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-14: TungstenȱSlitȱinȱOutȱPosition
Tungsten Slit - In Position
Remove screw to slide slit - Out.
Remove screw on opposite side
and secure the Tungsten Slit.
7.
Useȱanȱallenȱkeyȱtoȱloosenȱtheȱscrew,ȱinsertȱtheȱtungstenȱslitȱintoȱposition,ȱreȬinstallȱtheȱscrewȱtoȱholdȱtungstenȱslitȱinȱ
placeȱduringȱcalibrationȱandȱselectȱOKȱinȱtheȱXRTȱFSȱWidthȱuserȱprompt.ȱ
8.
Theȱcalibrationȱwillȱautomaticallyȱiterateȱthroughȱallȱcases.ȱ
9.
Forȱeachȱiteration,ȱifȱmeasuredȱfocalȱspotȱwidthȱisȱoutsideȱtheȱspecifiedȱtolerance.ȱ
(LargeȱSpot:1.1rȱ0.02mmȱȱSmallȱSpot:ȱ0.6ȱrȱ0.02mm)ȱ
The required grid voltage updates are made automatically and the next iterations are run until the spot width is
adjusted to be within the specified tolerance.
10. Ifȱtheȱtungstenȱslitȱwasȱnotȱproperlyȱpositioned,ȱyouȱwillȱreceiveȱanȱDataȱValidationȱscreen.ȱIfȱtheȱfocalȱspotȱwidthȱisȱoutȱ
ofȱspecification,ȱtheȱgridȱvoltagesȱareȱautomaticallyȱadjustedȱtoȱchangeȱtheȱspotȱsizeȱtoȱbeȱwithinȱspecification.
ȱFollowȱtheȱinformationȱwithinȱtheȱscreenȱandȱselectȱOK.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
ȱ
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Note:
459800962111ȱRevȱCȱ
IMAGEȱCALIBRATIONȱSOFTWARE
TheȱscreenȱbetweenȱincrementalȱwarmȬupȱgoesȱoutȱandȱscanningȱbegins.ȱFollowȱtheȱinformationȱwithinȱ
theȱscreenȱandȱcontinue.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
11. Afterȱtheȱslitȱscansȱ(1ȱofȱ24ȱcases)ȱandȱcalculationsȱareȱcompleted,ȱtheȱfollowingȱpromptȱappears.ȱ
Note:
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BR16/BR16PȱandȱBigȱBoreȱdonȇtȱhaveȱ24ȱcases.
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IMAGEȱCALIBRATIONȱSOFTWARE
12. FollowȱtheȱinstructionȱstepsȱinsideȱtheȱpromptȱandȱselectȱOKȱtoȱcontinueȱtheȱprocess.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
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IMAGEȱCALIBRATIONȱSOFTWARE
13. Rememberȱtoȱputȱtheȱtungstenȱslitȱ(XȬrayȱFilter)ȱbackȱintoȱitsȱoriginalȱpositionȱwhenȱfinished.ȱSelectȱOK.ȱ
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Forȱeachȱiterationȱofȱallȱsmallȱspotȱcases,ȱifȱtheȱdifferenceȱbetweenȱtheȱmeasuredȱfocalȱspotȱwidthsȱisȱ
withinȱtheȱtoleranceȱrangeȱ(0.04mm)ȱtheȱtwoȱspotsȱwillȱbeȱchangedȱsuchȱthatȱtheirȱrelativeȱwidthȱ
differenceȱisȱpreservedȱtoȱpreserveȱtheȱmatchedȱspotȱintensity.ȱ
•
TheȱFSȱwidthȱcalibrationȱforȱsmallȱspotsȱrelaxesȱtheȱwidthȱtoleranceȱforȱsmallȱspotsȱfromȱ+/Ȭȱ0.04ȱmmȱwhenȱ
requiredȱtoȱpreserveȱfocalȱspotȱintensityȱrelationship,ȱthatȱwasȱbalancedȱduringȱtheȱpreviousȱairȱcalibrationȱstep.ȱ
Theȱcalibrationȱstepȱwillȱerrorȱoutȱifȱtheȱspotȱwidthȱdifferenceȱexceedsȱevenȱtheȱrelaxedȱtoleranceȱofȱ0.08.ȱ
•
Wheneverȱtheȱtoleranceȱisȱrelaxed,ȱitȱisȱindicatedȱinȱtheȱresultsȱwindowȱasȱ“(RelaxedȱWidthȱSpec:ȱ0.06ȱmmȱ+/Ȭȱ
0.04ȱmm)”.
•
Whenȱtheȱsmallȱspotȱtoleranceȱhasȱbeenȱrelaxedȱtoȱcompleteȱthisȱcalibrationȱstep,ȱpayȱparticularȱattentionȱtoȱtheȱ
ImpulseȱresponseȱandȱMTFȱtestȱresultsȱforȱhighȱandȱultrahighȱresolutionȱcasesȱduringȱperformanceȱtestȱdoneȱ
followingȱcalibrations.
This will complete the XRT FS Width Calibration. Return to the Selective Calibrations to select the next calibration.
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1.3.8
1.
IMAGEȱCALIBRATIONȱSOFTWARE
XRT DFS Position Calibration
FromȱImageȱCalibrationsȱSelector,ȱselectȱtheȱXRTȱDFSȱPositionȱandȱclickȱonȱ“Start”ȱbutton.
ȱ
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
Allȱscansȱwillȱbeȱselected.ȱClickȱonȱtheȱ“Continue”ȱbutton.ȱ
Example Only - this is for
Brilliance 64.
Note: Brilliance 16 and Big
Bore only have 90, 120 and
140 kVp.
Note:
3.
MakeȱsureȱTungstenȱslitȱisȱNOTȱcoveringȱXRTȱbeamȱatȱtheȱstartȱofȱthisȱcalibration.ȱ
FollowȱtheȱinformationȱwithinȱtheȱpromptȱandȱselectȱOKȱ(incrementalȱwarmȬupȱbegins).ȱMakeȱsureȱthatȱtheȱpinȱonȱtheȱ
phantomȱisȱaboutȱ5cmȱoffsetȱfromȱisocenter.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
ȱȱ
4.
Theȱsystemȱwillȱautomaticallyȱiterateȱthroughȱtheȱcases.ȱEachȱcaseȱstartsȱwithȱtheȱcorrespondingȱairȱscan.ȱ
WARNING:
X-ray and gamma-rays are present during this procedure.
TheȱairȱscansȱforȱsmallȱspotȱcasesȱareȱagainȱtestedȱforȱFocalȱSpotȱintensityȱvariationsȱ(smallȱspotȱonly)ȱtoȱverifyȱthatȱtheȱ
differenceȱinȱspotȱintensitiesȱremainsȱbelowȱtheȱspecifiedȱlimitȱafterȱwidthȱcalibration.
5.
Afterȱcompletingȱtheȱairȱcalibrationȱstep,ȱtheȱcouchȱautomaticallyȱpositionsȱtoȱtheȱpinȱsectionȱandȱcontinuesȱwithȱtheȱ
pinȱscansȱ(1ȱofȱ24ȱcases).ȱ
6.
Ifȱtheȱfocalȱspotȱdeflectionȱisȱnotȱwithinȱspecificationȱforȱtheȱrespectiveȱscanȱselection,ȱtheȱsystemȱwillȱupdateȱtheȱgridȱ
voltagesȱandȱiterateȱtheȱcalibrationȱuntilȱitȱinȱspecification.ȱȱ
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Note:
7.
IMAGEȱCALIBRATIONȱSOFTWARE
Ifȱtheȱsystemȱfailed,ȱdurningȱpositioning/calculationȱcheckȱtheȱlogsȱand select OK to continue.
AfterȱcompletingȱtheȱpinȱsectionȱtheȱsystemȱwillȱcontinueȱwithȱrecheckingȱIntensityȱCalsȱ(actually,ȱonlyȱtheȱsmallȱFocalȱ
Spots).ȱ
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
ThereȱisȱoneȱuserȱpromptȱuponȱcompletionȱofȱeachȱDFSȱmode;ȱitȱasksȱifȱSingleȱFocalȱSpotȱ(SFS)ȱgridȱvaluesȱ
shouldȱbeȱupdatedȱ(toȱprovideȱbetterȱstartingȱpoint).ȱTheȱSFSȱCalibrationȱisȱaȱseparateȱstepȱforȱBR16/
BR16PȱandȱBigȱBore,ȱbutȱnotȱavailableȱonȱBR64/Ingenuity.
- Select Yes to All, if you are running through the normal calibration sequence
- Select No in the special case that you are “updating” DFS position calibration and you don’t
plan on running SFS Position Calibration soon (choosing Yes could make SFS grid values
worse).
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IMAGEȱCALIBRATIONȱSOFTWARE
Note:
TheȱSFSȱCalibrationȱisȱaȱseparateȱstepȱforȱBrȬ16/BigȱBore,ȱbutȱnotȱavailableȱonȱBrȬ64/Ingenuity.
Note:
IntensityȱCalibrationȱFailureȱ
x
If the check for spot intensity variation fails during DFS position air cals, the DFS position calibration step
will end in an error instructing the user to repeat FS width and DFS position calibrations.
This will complete the XRT DFS Position Calibration. Return to the Selective Calibrations to select the next
calibration.
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1.3.9
IMAGEȱCALIBRATIONȱSOFTWARE
Filament Calibration - Pass 2
TheȱcalibrationȱtablesȱthatȱareȱgeneratedȱcontainȱtheȱrelationshipȱbetweenȱtheȱfilamentȱcurrentȱandȱtheȱXRTȱemissionȱ
currentȱandȱshouldȱbeȱrecheckedȱafterȱXRTȱFocalȱSpotȱwasȱrun.
Procedure
The Filament Calibration uses the Undeflected grid voltages. Default grid values are supplied by the tube manufacturer and
loaded on Floppy or CD.
1.
ȱ
FromȱSelectiveȱCalibration,ȱselectȱtheȱFilamentȱCalibrationȱandȱclickȱonȱ“Start”ȱbutton.ȱ
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2.
IMAGEȱCALIBRATIONȱSOFTWARE
TheȱFilamentȱscreenȱappears,ȱfollowȱtheȱinstructionsȱonȱscreenȱandȱselectȱNO,ȱthenȱtheȱnextȱuserȱpromptȱappearsȱandȱ
selectȱOKȱtoȱproceed.ȱ
Select the NO, the defaults
approved in Filament - 1
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WARNING:
IMAGEȱCALIBRATIONȱSOFTWARE
X-ray and Gamma-rays are present during this procedure.
3.
Wait,ȱtheȱsystemȱwillȱbeginȱinitializingȱthroughoutȱtheȱfilamentȱcalibrationsȱ(1ofȱ19ȱcases).ȱ
4.
Toȱseeȱcurrentȱresults,ȱselectȱtheȱȱ
459800962111ȱRevȱCȱ
ȱȱ“Results”ȱarrowȱtoȱviewȱeachȱstationȱ(mAȱspotȱsize)ȱbeingȱcalibrated.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Note for each station (mA spot size) you will get a succeed and proceed to next station. .
Whenȱcalibrationȱisȱcompleteȱtheȱstatusȱwillȱshowȱ“completed”.ȱReturnȱtoȱSelectiveȱCalibrationȱtoȱselectȱtheȱnextȱ
calibration.ȱ
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1.3.10
IMAGEȱCALIBRATIONȱSOFTWARE
Ultra High Resolution Comb Align Calibration
UHRȱCombȱAlignȱCalibrationȱ&ȱAdjustmentȱestablishesȱtheȱmechanicalȱpositionȱofȱXȱandȱZȱdirections,ȱbyȱmanuallyȱ
adjustingȱtheȱmicrometerȱforȱtheȱXȬdirectionȱandȱtwoȱadjustmentȱscrewsȱforȱtheȱZȬdirection.
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1.
FromȱSelectiveȱCalibrationȱSelector,ȱselectȱtheȱUltrahighȱResȱCombȱAlignȱCalibrationȱandȱclickȱonȱ“Start”ȱbutton.ȱ
Note:
2.
IMAGEȱCALIBRATIONȱSOFTWARE
TheȱBigȱBoreȱscannerȱdoesȱnotȱhaveȱUltrahighȱResȱCombȱAlign.
FollowȱtheȱinstructionsȱwithinȱtheȱpromptȱandȱselectȱOKȱtoȱproceed.ȱ
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3.
Theȱsystemȱwillȱperformȱairȱcalibrationȱandȱgenerateȱtheȱrequiredȱtable.ȱ
4.
TheȱsystemȱisȱstoppingȱtheȱRotorȱtoȱ180ȱdegrees.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
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IMAGEȱCALIBRATIONȱSOFTWARE
5.
Theȱcalibrationȱsoftwareȱwillȱprovideȱadviceȱindicatingȱifȱtheȱscanȱwasȱinȱspecificationȱafterȱeachȱiteration.ȱ
6.
Followȱtheȱinstructionȱstepsȱinsideȱtheȱpromptȱandȱselectȱ“OK”ȱtoȱcontinueȱtheȱprocess.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
UHR Collimator Z-Direction Mechanical Alignment Procedure
Note:
IfȱaȱmessageȱsimilarȱtoȱtheȱscreenȱpromptȱbelowȱappearsȱwithȱcorrectionȱvaluesȱforȱZȱdirectionȱorȱXȱ
direction.
AdjustȱtheȱUHRȱCollimatorȱZȬdirectionȱalignmentȱasȱfollows:
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1.
IMAGEȱCALIBRATIONȱSOFTWARE
WaitȱuntilȱtheȱRotorȱisȱstopped.
Note:
MakeȱsureȱtoȱdisableȱtheȱRotorȱrotation.ȱ
2.
DisableȱtheȱRotorȱrotationȱbyȱpressingȱtheȱfrontȱcoverȱinterlock.
3.
Followȱtheȱscreenȱmessageȱonȱ(page 100)ȱandȱinsertȱtheȱUHRȱAdjustmentȱtoolȱ(seeȱFigure 1Ȭ15)ȱorȱscrewdriverȱifȱtheȱ
toolȱisȱunavailable,ȱandȱadjustȱtheȱscrewsȱaccordingȱtoȱtheȱmessage.
Note:
TheȱmessagesȱinstructȱyouȱtoȱadjustȱbyȱturningȱtheȱUHRȱAdjustmentȱtoolȱinȱincrementsȱofȱdivisions.ȱ
(1ȱdivisionȱisȱapproximatelyȱ7°).
Figure 1-15: UHRȱZȬdirectionȱAdjustment
LEFT
RIGHT
UH-Collimator Adjustment Screws
4.
UHR Adjustment Tool
Enableȱtheȱrotorȱrotationȱbyȱpullingȱtheȱfrontȱcoverȱinterlock.
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
ToȱenableȱRotorȱrotationȱafterȱtheȱRotorȱInterlockȱswitchȱwasȱinȱtheȱneutralȱpositionȱ(Rotorȱrotationȱisȱ
disabled);
a. Pull the Rotor Interlock switch to the OUT position or close the Front Gantry cover
b. Enter the CAN command: Rotor Restart from the Calibration CAN Interface found in the Home | Calibration
menu.
5.
Continueȱtheȱcalibrationȱprocedureȱuntilȱaȱsuccessfulȱcalibrationȱmessageȱisȱdisplayed.ȱ
UHR Collimator X-Direction Mechanical Alignment Procedure
6.
TheȱiterationsȱneedȱtoȱbeȱcontinuedȱuntilȱtheȱspotȱpositionsȱforȱFS0ȱandȱFS1ȱareȱinȱthereȱcenterȱpositions.ȱTheȱ
adjustmentȱisȱrecommendedȱinȱtermsȱofȱturnsȱinȱmicrometerȱunits.
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7.
IMAGEȱCALIBRATIONȱSOFTWARE
WhenȱanȱUHRȱcombȱadjustmentȱisȱrequired,ȱtheȱgantryȱstopsȱrotationȱandȱpositionsȱtheȱDMSȱatȱtheȱbottom.ȱ
NoteȱthatȱtheȱDMSȱisȱbeingȱpositionedȱatȱtheȱbottomȱsinceȱtheȱfourȱscrewsȱonȱtheȱcombȱassemblyȱareȱbetterȱaccessedȱinȱ
thisȱorientation.ȱ
Take the backlash out of the micrometer first, then loosen the six allen screws that hold the UHR Collimator Comb
assembly. Turning the micrometer screw gauge by the advised amount, as indicated.
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IMAGEȱCALIBRATIONȱSOFTWARE
Note:
x
x
x
x
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Advice for UHR adjustment is given both in mm and in divisions of the micrometer dial (1 tick = 10
microns).
Before turning the micrometer, (4) M6 screws (5 mm allen wrench) holding the UHR assembly must be
loosened to allow X-motion. Also the (2) M3 screws (2.5 mm allen wrench) to UHR cover.
Be careful to account for backlash in the dial.
Be careful not to move the UHR comb when re-tightening the assembly.
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-16: ȱMicrometerȱonȱDMS
UHR Cover
Turn upward, CW
push to left
M6 SCREWS
Turn downward, CCW
and push filter towards
the right
M6 SCREW
M3 SCREWS
M6 SCREW
8.
TightenȱtheȱsixȱallenȱscrewsȱtoȱfastenȱtheȱUHRȱcollimatorȱcombȱassemblyȱandȱrunȱtheȱnextȱiteration.
9.
IfȱyouȱgetȱtheȱInȱSpecȱresult,ȱtheȱUltraȱHighȱResolutionȱCombȱAlignȱcalibrationȱisȱnowȱcomplete.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
This will complete the Ultrahigh Res Comb Align Calibration. Close the Results screen and return to the Selective
Calibration to select the next calibration.
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
ThisȱstepȱusesȱanȱenhancedȱalgorithmȱthatȱdistinguishesȱbetweenȱtrueȱbalanceȱandȱhalfȱdetectorȬoffȱ
positionȱ(whichȱcouldȱalsoȱbeȱfalselyȱperceivedȱasȱbalancedȱposition).ȱ
In the process, the user may be asked to move the comb in opposite directions between iterations. Simply follow
the instructions for each iteration until completion.
Note:
WhenȱrunningȱtheȱUltrahighȱResȱCombȱAlignmentȱCalibration,ȱthereȱareȱseveralȱsituationsȱthatȱcanȱ
confuseȱboth,ȱalgorithmȱandȱtheȱserviceȱengineerȱ(FSE),
1.
UHRȱCombȱcanȱbeȱaȱlittleȱlongerȱorȱshorterȱ(upȱtoȱ20Ȭ30ȱmicrons)ȱasȱaȱresultȱofȱproductionȱdefects.ȱInȱthisȱcase,ȱtheȱ
algorithmȱmayȱnotȱconverge.ȱIfȱafterȱ2Ȭ3ȱiterationsȱtheȱsameȱrecommendationsȱareȱgiven,ȱtheȱuserȱshouldȱuseȱHALFȱofȱ
theȱrecommendedȱshift.ȱItȱwillȱincreaseȱtheȱchancesȱtoȱfitȱtoȱaȱnonȬstandardȱcombȱ(XȬdirection).
2.
DOȱNOTȱattemptȱtoȱcalibrateȱtheȱUHRȱCombȱalignmentȱbeforeȱtheȱXRTȱDFSȱPositionȱisȱwellȱcalibrated!ȱIfȱtheȱuserȱgetsȱ
aȱmessageȱlikeȱȈSpacingȱ=ȱ0.162ȱd.u.ȱAllowedȱrangeȱ(0.460Ȭ0.540ȱd.u)Ȉ,ȱtheȱmeaningȱisȱthatȱXRTȱDFSȱpositionȱwasȱnotȱ
calibrated.ȱInȱthisȱcaseȱthereȱisȱnoȱsenseȱtoȱcontinueȱcalibration.ȱ
3.
IfȱduringȱtwoȱsubsequentȱiterationsȱtheȱalgorithmȱrecommendsȱtheȱsameȱZȬdirectionȱshiftsȱinȱtheȱsameȱdirectionȱȬȱtheȱ
mostȱprobableȱcauseȱisȱthatȱUHȬCollimatorȱAdjustmentȱScrewsȱareȱtotallyȱunscrewedȱfromȱtheȱUHRȱCombȱrack.ȱInȱthisȱ
case,ȱtheȱuserȱmustȱfirstȱvisuallyȱverifyȱthatȱscrewȱchangedȱitsȱpositionȱwhileȱscrewing.ȱAnȱadditionalȱreasonȱforȱthisȱ
behaviorȱcanȱbeȱthatȱtheȱcombȱisȱnotȱpressedȱtoȱstoppersȱcompletelyȱfromȱbothȱ(leftȱ&ȱright)ȱsidesȱbyȱmotorȱthatȱdriveȱitȱ
inȬout.
4.
ThereȱmayȱbeȱbadȱmodulesȱorȱbadȱdetectorsȱonȱDMS.ȱTheȱalgorithmȱcannotȱovercomeȱthisȱsituation.ȱTheȱuserȱneedsȱtoȱ
takeȱaȱlookȱonȱtheȱcalibrationȱplotȱandȱdecideȱwhatȱtheȱproblemȱisȱbasedȱonȱtheȱdata.
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1.3.11
XRT Ultrahigh DFS Position Calibration
Note:
x
x
x
1.
ȱȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Thisȱstepȱhasȱbeenȱaddedȱsinceȱtheȱexpandedȱgridȱvoltageȱfileȱnowȱhasȱprovisionȱforȱseparateȱgridȱvoltageȱ
settingsȱforȱultrahighȱscans.
Calibration automatically does necessary Air Calibrations for all selected modes.
Very similar to XRT DFS Position Calibration.
This calibration will run automatically.
FromȱImageȱCalibrationsȱSelector,ȱselectȱtheȱXRTȱUltrahighȱDFSȱPositionȱandȱclickȱonȱ“Start”ȱbutton.
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2.
Theȱnextȱscreenȱappears,ȱallȱscansȱwillȱbeȱselected.ȱClickȱonȱtheȱcontinueȱbutton.ȱ
Note:
3.
IMAGEȱCALIBRATIONȱSOFTWARE
TheȱkVpȱstationsȱareȱdifferentȱbetweenȱBrillianceȱ16ȱandȱBrillianceȱ64,ȱandȱtheȱBigȱBoreȱdoesȱnotȱhaveȱ
UltraȬȱHigh.
Followȱtheȱinstructionsȱwithinȱtheȱprompt,ȱthenȱclickȱOK.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
ȱ
4.
Theȱsystemȱwillȱperformȱairȱcalibrationȱandȱgenerateȱtheȱrequiredȱtableȱ(1ȱofȱ24ȱcases).ȱ
5.
TheȱsystemȱwillȱthenȱcontinueȱtoȱtheȱXRTȱUltrahighȱDFSȱPositionȱCalibration.ȱIterativeȱscansȱareȱdoneȱforȱeachȱofȱtheȱ
threeȱvoltagesȱcasesȱuntilȱtheȱfocalȱspotȱpositionsȱareȱinȱspec.ȱ
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6.
IMAGEȱCALIBRATIONȱSOFTWARE
Theȱcalibrationȱsoftwareȱwillȱprovideȱadviceȱindicatingȱifȱtheȱscanȱwasȱinȱspecificationȱafterȱeachȱiteration.ȱ
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Ifȱfailedȱtheȱcalibrationȱwillȱadviceȱyouȱtoȱiterateȱtheȱprocess.ȱIfȱtheȱscanȱwasȱinȱspecificationȱafterȱeachȱ
iteration,ȱtheȱXRTȱUltrahighȱDFSȱPositionȱwillȱbeȱcompleted.ȱ
9 cases run here
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IMAGEȱCALIBRATIONȱSOFTWARE
This will complete the XRT Ultrahigh DFS Position Calibration. Close the Results screen and return to the Selective
Calibrations selector to select the next calibration.
1.3.12
Phantom Calibration
Phantom Definition
Defineȱtheȱcorrectȱphantomȱtypeȱ(Eye/System)ȱforȱtheȱcalibrationȱtoȱbeȱperformed.ȱFromȱtheȱprocessingȱscreen,ȱdoȱtheȱ
following:
Note:
Ifȱneededȱopenȱtheȱscannerȱapplication:ȱdoubleȬclickȱtheȱScannerȱApplicationȱiconȱonȱtheȱdesktop.ȱ
a. ClickȱPreferences.
b. InȱtheȱPreferencesȱwindowȱCategoryȱtree,ȱselectȱScannerȱOptionsȱ/ȱScanner.ȱ
c. FromȱtheȱSystemȱPhantomȱlist,ȱselectȱOneȱPart.
d. FromȱtheȱEyeȱPhantomȱlist,ȱselectȱbroadȱforȱyourȱphantom.ȱ
e. ClickȱOKȱtoȱcloseȱtheȱPreferenceȱwindow.ȱScannerȱApplicationȱmayȱneedȱtoȱrestartȱafterȱPreferencesȱchanged.
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Improperȱselectionȱofȱphantomȱtypeȱwillȱresultȱinȱerrorȱorȱbadȱcalibration.ȱMeasureȱtheȱeyeȱphantomȱtoȱ
determineȱifȱitȱisȱbroadȱ(ExtendedȱCouchȱPhantomȱHandleȱwillȱbeȱBlue).ȱ
Figure 1-17: ȱEyeȱPhantomȱ
Note: The Gantry
Cover should be
CLOSED for
BR16/BR16P
SmallȱandȱTallȱType
BroadȱType
10 cm
BR64T/BigȱBoreȱandȱIngenuity
The Eye Phantom should be mounted at the end of the couch and the phantom should be at its lowest position without
causing a collision mode, at around -208mm.
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IMAGEȱCALIBRATIONȱSOFTWARE
1.
FromȱtheȱSelectiveȱCalibrationsȱSelector,ȱselectȱtheȱPhantomȱandȱclickȱonȱtheȱ“Start”ȱbutton.ȱMakeȱsureȱtheȱcouchȱhasȱ
beenȱproperlyȱzeroed.ȱ
2.
AllȱScansȱwillȱbeȱselected.ȱClickȱstartȱscanningȱbutton.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Example Only - this is for
Brilliance 64
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3.
FollowȱtheȱinstructionsȱwithinȱtheȱpromptȱandȱselectȱOKȱ(incrementalȱwarmȬupȱbegins).
WARNING:
4.
IMAGEȱCALIBRATIONȱSOFTWARE
X-ray and Gamma-rays are present during this procedure.
Ifȱyouȱreceiveȱanȱ“Error”ȱdueȱtoȱimproperȱphantomȱpositioning,ȱfollowȱtheȱinformationȱwithinȱpromptȱtoȱcorrectȱtheȱ
position.ȱ
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Note:
5.
IMAGEȱCALIBRATIONȱSOFTWARE
ȱMoveȱphantomȱasȱdirectedȱinȱtheȱonȱscreenȱprompt.ȱ
Makeȱtheȱsuggestedȱcorrection,ȱrestartȱtheȱphantomȱcalibrationȱandȱselectȱrecover.ȱ
Youȱmayȱnotȱneedȱtheȱpreviousȱnoteȱafterȱthisȱedit.ȱIfȱfailedȱpromptȱappearsȱcheckȱtheȱlogsȱandȱiterateȱtheȱprocess.
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IMAGEȱCALIBRATIONȱSOFTWARE
The calibration will proceed automatically until status completed.
This will complete the Phantom Calibration. Close the Results screen and return to the Selective Calibrations selector
to select the next calibration.
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1.3.13
IMAGEȱCALIBRATIONȱSOFTWARE
Air Calibration
You can select Air Calibrations from the Selective Calibration Selector or from the Main Panel on the left side of the
screen. Both sequences are similar in operation. Make sure all (4) covers are in position before running this test.
x Standard/High Resolution share the same Air Tables
x CIRS generates all Air Tables
x Main Benefit: Speed
- Do not need to transfer data files to Host for calculation
- Only need to transfer Air Tables to Host (Air Tables are much smaller in size).
1.
RunȱAirȱCalibrationȱfromȱtheȱSelectiveȱCalibration.ȱTheȱentireȱprocessȱisȱautomated.ȱ
2.
Withȱallȱscanȱparametersȱselected,ȱthereȱwillȱbeȱaȱtotalȱofȱ(1ȱofȱ144ȱscans)ȱtoȱbeȱperformed.ȱNoteȱthereȱareȱdifferentȱ
numberȱofȱscansȱforȱtheȱBR16/BR16PȱandȱBigȱBore.
3.
Withȱallȱscanȱparametersȱselected,ȱthereȱwillȱbeȱaȱtotalȱofȱ144ȱscansȱtoȱbeȱperformedȱandȱwillȱtakeȱapproximatelyȱ14ȱ
minutesȱtoȱcompleteȱandȱreturnȱaȱ“CalibrationȱComplete”ȱwindowȱwhenȱfinished.ȱ
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1.
ȱȱ
2.
IMAGEȱCALIBRATIONȱSOFTWARE
FromȱtheȱSelectiveȱCalibration,ȱselectȱtheȱAirȱCalibrationȱandȱclickȱonȱtheȱ“Start”ȱbutton.ȱMakeȱsureȱtheȱcouchȱhasȱbeenȱ
properlyȱzeroedȱandȱcoversȱshouldȱbeȱCLOSEDȱforȱAirȱCalibration.
FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱselectȱOKȱatȱtheȱprompt.ȱ
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3.
IMAGEȱCALIBRATIONȱSOFTWARE
Viewȱtheȱimagesȱandȱconfirmȱthatȱthereȱisȱnoȱobjectȱinȱtheȱimageȱplane.ȱPressȱOKȱtoȱcontinue.ȱ
Air Calibration list is displayed to select individual scans, with rotation, slice thickness, resolution and voltage
differences.
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-18: ȱExampleȱImage
4.
Selectȱtheȱ“AllȱScans”ȱbuttonȱandȱthenȱselectȱStartȱScanning.ȱ
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WARNING:
IMAGEȱCALIBRATIONȱSOFTWARE
X-ray and Gamma-rays are present during this procedure.
Note:
AutoȬCalibrationȱwillȱautomaticallyȱpositionȱtheȱphantomȱoutȱofȱtheȱwayȱforȱairȱcalibrationȱ(assumingȱ
itȱhasȱbeenȱproperlyȱzeroed)
Note:
SelectiveȱAirȱCalibrationȱdoesȱnotȱmoveȱtheȱcouchȱorȱmakeȱuseȱofȱtheȱcouchȱzero;ȱtheȱpromptȱsimplyȱ
statesȱtoȱ“MoveȱPatientȱTableȱandȱallȱobjectsȱoutȱofȱtheȱscanȱfields”.
Note:
Withȱallȱscanȱparametersȱselected,ȱthereȱwillȱbeȱaȱtotalȱofȱ(1ȱofȱ144ȱscans)ȱtoȱbeȱperformed.ȱNoteȱthereȱareȱ
differentȱnumberȱofȱscansȱforȱtheȱBR16/BR16PȱandȱBigȱBore.
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IMAGEȱCALIBRATIONȱSOFTWARE
ThisȱwillȱcompleteȱtheȱAirȱCalibration.ȱCloseȱtheȱResultsȱscreenȱandȱreturnȱtoȱtheȱSelectiveȱCalibrationsȱselectorȱtoȱ
selectȱtheȱnextȱcalibration.
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1.3.14
IMAGEȱCALIBRATIONȱSOFTWARE
HCOR (Hounsfield Correction)
Note:
x Selective Calibration performs scans and automatically adjusts CT number scaling factors.
x This is the final calibration (except for maybe Image Rotation) and is not part of any Auto-Calibration
sequence, because the Phantom must be switched.
x Images from automatic scans should be visually inspected for artifacts or other problems.
x Time will vary when running Infant Phantom 453567047261 (option), w/o Infant Phantom time is less.
1.
TheȱHCORȱCalibrationȱisȱrunȱfromȱtheȱSelectiveȱCalibrationȱSelector.ȱ
Note:
2.
ItȱisȱveryȱImportantȱthatȱyouȱalignȱtheȱlasersȱandȱcenterȱtheȱPhantomȱatȱthisȱpositionȱinȱorderȱtoȱpassȱtheȱ
HCORȱcalibration.
PlaceȱtheȱSystemȱPhantomȱonȱtheȱholderȱandȱzeroȱtheȱcouchȱwithȱtheȱscanȱlaserȱonȱtheȱedgeȱofȱtheȱmetalȱplateȱonȱtheȱ
phantomȱholderȱasȱshownȱbelow.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Figure 1-19: ȱSystemȱPhantomȱAlign
System Phantom
Align Lasers to the top edge of metal
plate on the Phantom Holder and Zero
the Couch
Basic HCOR
Note:
3.
Makeȱsureȱnoȱoneȱisȱinȱtheȱscanȱarea.ȱ
FromȱtheȱSelectiveȱCalibrationȱSelector,ȱselectȱtheȱHCORȱCalibrationȱandȱclickȱonȱtheȱ“Start”ȱbutton.
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IMAGEȱCALIBRATIONȱSOFTWARE
ȱ
4.
Theȱnextȱscreenȱappears,ȱallȱscansȱwillȱbeȱselected.ȱClickȱonȱtheȱstartȱbuttonȱtoȱcontinue.
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IMAGEȱCALIBRATIONȱSOFTWARE
Note:
TheȱInfantȱcalibrationȱusesȱaȱdifferentȱphantomȱthanȱtheȱstandardȱsystemȱphantom.ȱThisȱoptionȱisȱ
enabledȱfromȱtheȱPatientȱDirectoryȱ>ȱPreferencesȱ>ȱScannerȱOptionsȱ>ȱScannerȱ>ȱselectȱInfantȱPhantomȱ
Option.
Note:
TheȱBrillianceȱ16ȱandȱBigȱBoreȱonlyȱhaveȱ90,ȱ120ȱandȱ140ȱkVp.
ȱ
This is for
Base HCOR
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5.
Allȱscansȱwillȱbeȱselected.ȱClickȱonȱ“StartȱScanning”ȱbuttonȱtoȱbegin.
6.
Followȱtheȱinformationȱwithinȱtheȱuserȱprompt,ȱselectȱOK.
Note:
459800962111ȱRevȱCȱ
IMAGEȱCALIBRATIONȱSOFTWARE
Ifȱtooȱfarȱoffȱcenter,ȱmoveȱtheȱphantomȱup.ȱ
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7.
IMAGEȱCALIBRATIONȱSOFTWARE
Withȱallȱscanȱparametersȱselected,ȱthereȱwillȱbeȱaȱtotalȱofȱ(1ȱofȱ50ȱscansȱforȱBR64T)ȱtoȱbeȱperformed.
Theȱsystemȱwillȱstartȱtheȱcenteringȱsequenceȱandȱmoveȱtheȱcouchȱpositionȱtoȱ110.ȱ
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Note:
8.
IMAGEȱCALIBRATIONȱSOFTWARE
FollowingȱBasicȱHCOR,ȱtheȱSliceȱHCORȱcasesȱwillȱalsoȱneedȱtoȱbeȱrun.ȱ
Allȱscansȱwillȱbeȱselected.ȱClickȱonȱ“StartȱScanning”ȱbuttonȱtoȱbegin.
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Theȱsystemȱwillȱpauseȱatȱdifferentȱintervalsȱtoȱcoolȱtheȱtubeȱatȱaȱdesiredȱrange.ȱ
Example Only - this is for
Brilliance 64
9.
Followȱtheȱinformationȱwithinȱtheȱuserȱprompt,ȱselectȱOK.
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Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Afterȱperformingȱmeasurements,ȱtheȱsystemȱwillȱstartȱaȱcenteringȱsequence.
10. Allȱscansȱwillȱbeȱselected.ȱClickȱonȱ“StartȱScanning”ȱbuttonȱtoȱbeginȱbaseȱcalibrationȱforȱinfant.
No 140 kVp option
for the Infant.
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IMAGEȱCALIBRATIONȱSOFTWARE
11. Followȱtheȱinformationȱwithinȱtheȱuserȱprompt,ȱselectȱOK.
12. Allȱscansȱwillȱbeȱselected.ȱClickȱonȱ“StartȱScanning”ȱbuttonȱtoȱbeginȱsliceȱcalibrationȱforȱinfant.
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IMAGEȱCALIBRATIONȱSOFTWARE
13. Withȱallȱscanȱparametersȱselected,ȱthereȱwillȱbeȱaȱtotalȱofȱ(1ȱofȱ50ȱscansȱforȱBR64T)ȱtoȱbeȱperformed.ȱ
14. Waitȱforȱscanningȱofȱparametersȱtoȱbeȱcompleted.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
ThisȱwillȱcompleteȱtheȱHCORȱCalibration.ȱCloseȱtheȱResultsȱscreenȱandȱreturnȱtoȱtheȱSelectiveȱCalibrationȱselectorȱtoȱ
selectȱtheȱnextȱcalibration.
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1.3.15
Note:
IMAGEȱCALIBRATIONȱSOFTWARE
Image Rotation
TheȱImageȱRotationȱCalibrationȱisȱrequiredȱwithȱtheȱRadiationȱTherapyȱTopȱandȱoptionalȱotherwise.ȱ
Makeȱsureȱtoȱhalfȱfillȱtheȱphantomȱwithȱwaterȱbeforeȱperformingȱthisȱcalibration.ȱMakeȱsureȱtoȱenableȱ
thisȱinȱPreferences.
1.
Placeȱtheȱwaterȱlevelȱphantomȱonȱtheȱpatientȱsupport.ȱ
2.
Alignȱandȱzeroȱtheȱcouchȱatȱtheȱcenterȱofȱtheȱwaterȱlevelȱphantom.ȱSeeȱFigure 1Ȭ20ȱonȱpage 138.ȱ
Figure 1-20: ȱWaterȱPhantomȱAlignment
3.
MoveȱcouchȱtillȱtheȱAirȱtoȱWaterȱTransitionȱRegionȱisȱapproximatelyȱinȱtheȱcenterȱofȱtheȱfieldȱofȱview.
4.
Ensureȱthatȱtheȱlevelȱofȱwaterȱwithinȱtheȱphantomȱisȱnotȱmoving,ȱbeforeȱstartingȱprocedure.
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Note:
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IMAGEȱCALIBRATIONȱSOFTWARE
Makeȱsureȱtoȱfollowȱtheȱinstructionsȱwithinȱtheȱprompts.ȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
5.
IMAGEȱCALIBRATIONȱSOFTWARE
Theȱimageȱrotationȱscreenȱwillȱappear,ȱselectȱallȱscansȱandȱ“Continue”ȱbuttonȱtoȱstart.
BR16/BR16P and
Big Bore have SFS
mode
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6.
IMAGEȱCALIBRATIONȱSOFTWARE
Followȱtheȱinformationȱwithinȱtheȱuserȱprompt,ȱselectȱOK.
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7.
IMAGEȱCALIBRATIONȱSOFTWARE
FollowȱtheȱinformationȱwithinȱtheȱmessageȱboxȱandȱselectȱOKȱtoȱcontinue.
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
During Calculation:
a. AȱfigureȱofȱtheȱphantomȱandȱaȱGUIȱ(Figure)ȱmayȱpopȱupȱsoȱthatȱtheȱuserȱcanȱenterȱtheȱstartingȱandȱendingȱcolumnsȱ
(usingȱtheȱfigure).ȱAȱmessageȱboxȱwillȱalsoȱappearȱexplainingȱhowȱtoȱidentifyȱtheȱstartȱandȱendȱcolumnsȱthatȱareȱtoȱ
beȱfilledȱinȱtheȱenterȱtheȱValuesȱGUI.
X
192
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320
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IMAGEȱCALIBRATIONȱSOFTWARE
b. LeftȱClickȱtheȱmouseȱinȱtheȱfigureȱatȱaȱregionȱonȱtheȱleftȱendȱ(withinȱtheȱphantom)ȱofȱtheȱAirȱtoȱWaterȱTransitionȱ
Region.ȱEnterȱtheȱStartingȱcolumnȱnumberȱinȱtheȱEnterȱtheȱValuesȱGUI.ȱ
c. LeftȱClickȱtheȱmouseȱinȱtheȱfigureȱatȱaȱregionȱonȱtheȱrightȱendȱ(withinȱtheȱphantom)ȱtheȱAirȱtoȱWaterȱTransitionȱ
Region.ȱEnterȱtheȱEndingȱcolumnȱnumberȱinȱtheȱEnterȱtheȱValuesȱGUI.
d. Theȱselectedȱcolumnsȱshouldȱbeȱatȱleastȱ10%ȱinwardsȱfromȱtheȱedgeȱofȱtheȱphantomȱsoȱthatȱtheȱMeniscusȱregionȱofȱ
theȱinteractionȱbetweenȱwaterȱandȱphantomȱisȱnotȱchosen.
e. ClickȱOKȱonȱtheȱEnterȱtheȱValuesȱGUIȱtoȱcontinueȱwithȱtheȱcalculations.
8.
FollowȱtheȱinformationȱwithinȱtheȱmessageȱboxȱandȱselectȱOKȱtoȱcontinue.
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Note:
ForȱeachȱrepeatedȱScanȱMode,ȱtheȱCalibrationȱautomaticallyȱiteratesȱtheȱImageȱRotationȱisȱwithinȱ
specification.
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IMAGEȱCALIBRATIONȱSOFTWARE
ThisȱwillȱcompleteȱtheȱImageȱRotationȱCalibration,ȱCloseȱscreenȱwindows.ȱ
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IMAGEȱCALIBRATIONȱSOFTWARE
Auto Calibration Reasons
This feature provides an automated set of preset calibration sequences based on various reasons for calibrating the
system. This function is a convenient one-button selection to go through all the required calibrations for a selected
calibration reason.
The recommended calibration reasons are shown in Table 1-1 on page 12, along with the calibration steps that are
automatically performed for that sequence.
Choosing “Auto Calibration Reasons” from the Selective Calibrations Selector, the following selection menu is
displayed.
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IMAGEȱCALIBRATIONȱSOFTWARE
Once a calibration reason is selected, all specified calibrations for the selected reason are automatically run.
Note:
Inȱaddition,ȱcustomȱautomaticȱsequencesȱcanȱbeȱgeneratedȱbyȱusingȱtheȱ“AutomaticȱMode”ȱbutton,ȱ
atȱtheȱtopȱrightȱcornerȱofȱtheȱcalibrationȱselectionȱGUI.
Selectȱaȱsequenceȱofȱcalibrationȱstepsȱandȱpressȱtheȱ“AutomaticȱMode”ȱbuttonȱtoȱautomateȱtheȱselectedȱsequence.
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Section 2
Note:
Section 2
A-Plane Encoder Calibration
Inȱcaseȱofȱtheȱcollimatorȱbeingȱreplaced,ȱtheȱAȬPlaneȱEncoderȱCalibrationȱisȱperformedȱfirstȱandȱthenȱgoȱ
toȱtheȱAutomatic/SelectiveȱCalibrations.
ThisȱcalibrationȱstepȱmustȱbeȱrunȱafterȱanȱAȬPlaneȱCollimatorȱ(APC)ȱisȱinstalled/replacedȱinȱaȱsystem.ȱThisȱ
stepȱreevaluatesȱtheȱcalibrationȬoffsetȱparametersȱwithinȱtheȱsystemȱandȱupdatesȱtoȱNVRAMȱtheȱloadedȱ
sliceȱwidthȱoffsetȱvaluesȱoriginallyȱdeterminedȱonȱaȱcalibrationȱjigȱandȱloadedȱfromȱtheȱaccompanyingȱ
CD.ȱTheȱnewȱoffsetȱvaluesȱareȱalsoȱsavedȱtoȱanȱupdatedȱcalibrationȱfileȱ(.clb)ȱonȱdisk.
459800962111ȱRevȱCȱ
1.
CopyȱtheȱAȬPlaneȱEncoderȱcalibrationȱfileȱ(.CLB)ȱto:ȱC:\USR\DIAMOND.ROOT\SITE\
2.
ȱȱ
OpenȱtheȱScannerȱApplication.ȱFromȱtheȱCalibrationsȱmenu,ȱselectȱȇAȬPlaneȱEncoderȱCalibrationȇ.ȱ
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AȬPlaneȱEncoderȱCalibration
3.
Theȱsystemȱwillȱautomaticallyȱmoveȱtheȱrotorȱtoȱ0ȱdegreesȱandȱstop.
4.
FollowȱtheȱinstructionsȱonȱscreenȱandȱclickȱOKȱonȱtheȱuserȱpromptȱtoȱproceed.
5.
Clickȱonȱtheȱ“Start”ȱbuttonȱandȱcontinue.
6.
FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.
CSIP1ȱATTENTION:ȱTHISȱPAGEȱCONTAINSȱCOPYRIGHTEDȱMATERIALSȱTHATȱAREȱCONFIDENTIALȱAND/ORȱPROPRIETARY.ȱANYȱRELEASEȱORȱDISTRIBUTIONȱOFȱTHISȱMATERIAL,ȱWITHOUTȱPERMISSION,ȱISȱAȱVIOLATIONȱOFȱLAW.ȱ152
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7.
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AȬPlaneȱEncoderȱCalibration
Aȱmessageȱwillȱappearȱ“StoppingȱtheȱRotorȱtoȱzeroȱdegrees.
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8.
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AȬPlaneȱEncoderȱCalibration
FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.ȱ
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9.
AȬPlaneȱEncoderȱCalibration
TheȱDMCȱUtilityȱwindowȱtoȱviewȱwillȱautomaticallyȱopen,ȱcheckȱbehindȱtheȱopenȱwindowȱorȱ
selectiveȱcalibrationȱwindowȱtooȱview.
10. FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.
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AȬPlaneȱEncoderȱCalibration
11. TheȱSliceȱWidthȱCoarseȱcalibrationȱcycleȱbegins.
Note:
Duringȱcalibrationȱstepȱ3),ȱyouȱmustȱsaveȱdataȱasȱC:\MATLAB\ENC_DATA.CSV
Toȱdoȱthis,ȱuseȱtheȱȈOpenȱtoȈȱwindowȱtoȱnavigateȱto:ȱc:/mathlab.ȱAddȱtheȱfilenameȱȈenc_dataȈȱ
DOȱNOTȱincludeȱtheȱfileȱextensionȱ(thisȱwillȱbeȱaddedȱautomatically),ȱotherwiseȱtheȱcalibrationȱwillȱfailȱ
andȱtheȱAȬPlaneȱcollimatorȱwillȱnotȱbeȱoperational.
12. Whenȱencoderȱdataȱacquisitionȱisȱcompleted,ȱtheȱfollowingȱinstructionsȱisȱdisplayed.ȱFollowȱtheȱ
instructionsȱonȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.ȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
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AȬPlaneȱEncoderȱCalibration
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AȬPlaneȱEncoderȱCalibration
File Name
Save Clb button
Confirm that Matlab
directory is listed Here
Save the Data
File Name Here
13. Dataȱmustȱalwaysȱbeȱsavedȱtoȱtheȱfollowingȱnameȱandȱdestination:ȱ
C:\MATLAB\ENC_DATA.CSVȱ
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AȬPlaneȱEncoderȱCalibration
14. Afterȱsavingȱtheȱdataȱfile,ȱclickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.
15. Whenȱselectingȱtheȱcalibrationȱfileȱ(location),ȱyouȱcanȱeitherȱselectȱtheȱHDȱorȱMediaȱfromȱwhichȱtoȱ
acquireȱtheȱrequiredȱcalibrationȱfile.ȱ
ȱ
Skip Update does not store the new offset values to a
calibration file. Only the values in NVRAM are updated.
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Note:
AȬPlaneȱEncoderȱCalibration
Theȱ‘Media’ȱoptionȱshouldȱ‘not’ȱbeȱselectedȱforȱbothȱcoarseȱandȱfineȱcalibrationȱcycles.ȱDoingȱsoȱwillȱeraseȱ
theȱoffsetȱvaluesȱsavedȱduringȱtheȱcoarseȱcycle.ȱ
ȱȱ
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AȬPlaneȱEncoderȱCalibration
16. Theȱcalibrationȱroutineȱdoesȱtheȱoffsetȱcalculationsȱandȱdisplaysȱtheȱnewȱoffsetȱvaluesȱinȱtheȱresultsȱ
window.ȱTheȱcollectedȱdataȱandȱtheȱcomputedȱoffsetȱvaluesȱareȱalsoȱdisplayedȱasȱaȱplot.ȱ
17. OnceȱtheȱNVRAMȱinȱtheȱDMCȱisȱupdatedȱwithȱtheȱnewȱSliceȱWidthȱCoarseȱoffsetȱvalues,ȱtheȱDMCȱisȱ
automaticallyȱresetȱforȱtheȱnewȱvaluesȱtoȱtakeȱeffect.ȱThisȱcompletesȱtheȱSliceȱWidthȱCoarseȱcycleȱofȱ
thisȱcalibration.
18. FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.ȱ
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AȬPlaneȱEncoderȱCalibration
19. FollowȱtheȱinstructionsȱwithinȱtheȱscreenȱandȱClickȱOKȱonȱtheȱinstructionȱpromptȱtoȱcontinue.ȱ
Note:
459800962111ȱRevȱCȱ
Theȱnewȱcalibrationȱfileȱwithȱupdatedȱoffsetȱvaluesȱisȱalwaysȱstoredȱonȱtheȱhardȱdiskȱatȱ
C:\usr\diamond.root\cfg\site.ȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱ
AȬPlaneȱEncoderȱCalibration
File Name
Save Clb button
Save the Data
File Name Here
20. OnceȱEȬstopȱisȱclosed,ȱtheȱsystemȱproceedsȱtoȱtheȱSliceȱWidthȱFineȱstageȱofȱcalibrationȱafterȱaȱ40Ȭ
secondȱpauseȱforȱtheȱsystemȱtoȱstabilize.ȱ
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AȬPlaneȱEncoderȱCalibration
21. Theȱcalibrationȱroutineȱdoesȱtheȱoffsetȱcalculationsȱandȱdisplaysȱtheȱnewȱvaluesȱinȱtheȱresultȱwindow.ȱ
Theȱcollectedȱdataȱandȱcomputedȱoffsetȱvaluesȱareȱalsoȱdisplayedȱasȱaȱplot.ȱTheȱnewȱoffsetȱvaluesȱareȱ
storedȱtoȱtheȱselectedȱfileȱonȱtheȱhardȱdisk.
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AȬPlaneȱEncoderȱCalibration
22. TheȱNVRAMȱinȱtheȱDMCȱisȱupdatedȱwithȱtheȱnewȱSliceȱWidthȱFineȱoffsetȱvaluesȱandȱtheȱDMCȱisȱresetȱ
forȱtheȱnewȱoffsetȱvaluesȱtoȱtakeȱeffect.ȱThisȱcompletesȱtheȱSliceȱWithȱFineȱcycleȱofȱthisȱcalibration.ȱ
Note:
IfȱtheȱAȬPlaneȱEncoderȱCalibrationȱdoesȱnotȱsuccessfullyȱcompleteȱforȱanyȱreason,ȱsetȱtheȱZȱRPMȱvaluesȱ
backȱtoȱzeroȱbeforeȱattemptingȱanyȱotherȱfunctions.ȱReferȱtoȱsectionȱAȬPlaneȱSkewȱ(IfȱRequired) ȱonȱpageȱ
64.ȱ
IfȱnotȱcorrectedȱitȱcanȱcauseȱtheȱAȱplaneȱcollimatorȱbladesȱtoȱmechanicallyȱjamȱatȱtheirȱlimits.
ThisȱwillȱcompleteȱtheȱAȬPlaneȱEncoderȱTest.ȱReturnȱtoȱSelectiveȱCalibrationȱtoȱselectȱtheȱnextȱ
calibration.ȱ
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Section 3
3.1
Section 3
A-Plane Collimator Opening Test
Introduction
AȬPlaneȱCollimatorȱOpeningȱtestȱisȱaȱdiagnosticȱtoolȱthatȱprovidesȱaȱfast,ȱalternativeȱapproachȱtoȱphysicalȱ
measurementȱofȱtheȱAȬPlaneȱopenings.ȱUsingȱairȱscans,ȱtheȱtoolȱmeasuresȱtheȱtrueȱAȬPlaneȱopeningȱinȱ
responseȱtoȱcommandedȱsetȱofȱopeningsȱbyȱanalyzingȱtheȱprojectionȱofȱtheȱcollimatorȱbladesȱonȱtheȱDMSȱ
andȱusingȱgeometryȱofȱtheȱscannerȱtype.ȱTheȱtoolȱprovidesȱinformationȱtoȱtheȱuserȱaboutȱtheȱtrueȱAȬPlaneȱ
openingsȱandȱalsoȱprovidesȱinstructionsȱtoȱtheȱuserȱtoȱmodifyȱtheȱencoderȱvaluesȱinȱtheȱDMCȱutility,ȱinȱ
caseȱtheȱopeningsȱareȱfoundȱtoȱbeȱoutsideȱtheȱpreȬdefinedȱtoleranceȱlimits.
A-Plane Collimator Opening Check
1.
ClickȱAȬPlaneȱOpeningȱCheckȱtoȱstartȱtheȱtool.
Figure 3-1: AȬPlaneȱCollimatorȱOpeningȱCalibrationȱToolȱȱ
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Note:
AȬPlaneȱCollimatorȱOpeningȱTest
TheȱAȱPlaneȱGUIȱincludesȱtheȱdateȱwhenȱtheȱprocedureȱwasȱlastȱrun.
2.
ClickȱStart.
3.
Zeroȱtheȱpatientȱtableȱpositionȱonȱtheȱmetallicȱpartȱofȱtheȱphantomȱholderȱbeforeȱscanningȱstarts.
4.
ClickȱOKȱtoȱstartȱtheȱtests.
TheȱtestȱperformsȱaȱpreȬdefinedȱsetȱofȱAȱPlaneȱcollimatorȱopeningsȱcommands:ȱstartingȱfromȱtheȱ
widestȱopeningȱtoȱnarrowestȱopeningȱandȱmeasuresȱtheȱactualȱopeningȱforȱeachȱcommand.ȱ
Beforeȱeachȱcommand,ȱanȱairȱscanȱisȱperformedȱatȱtheȱwidestȱcollimatorȱopeningȱtoȱcheckȱforȱanyȱbadȱ
detectorsȱorȱobjectsȱinȱtheȱfieldȱofȱview.ȱ
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5.
Ifȱallȱmeasuredȱopeningsȱareȱwithinȱtheȱtoleranceȱlimits,ȱaȱprocedureȱcompletedȱsuccessfully.ȱ
messageȱappears.ȱ
6.
Toȱverifyȱtheȱresults,ȱviewȱinȱtheȱResultsȱtableȱStatusȱcolumnȱallȱtheȱopeningsȱindicateȱPass.ȱ
7.
Ifȱanyȱopeningsȱareȱfoundȱtoȱbeȱoutȱofȱtolerance,ȱ“Defer”ȱwillȱbeȱindicatedȱunderȱtheȱStatusȱcolumnȱ
forȱthoseȱopenings.ȱAnȱinstructionsȱwindowȱappearsȱwithȱtheȱnecessaryȱstepsȱtoȱmodifyingȱtheȱsliceȱ
widthȱencoderȱvaluesȱinȱtheȱDMCȱutility.
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AȬPlaneȱCollimatorȱOpeningȱTest
Figure 3-2: AȬplaneȱOpeningȱCheckȱGUI
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AȬPlaneȱCollimatorȱOpeningȱTest
Modifying Encoder Values
y
8.
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Figure 3-3: InstructionsȱtoȱCorrectȱValues
y
LaunchȱtheȱDMCȱutilityȱ(C:\ProgramȱFiles\DMCȱUtility\DMC_Utility.exe).ȱ
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AȬPlaneȱCollimatorȱOpeningȱTest
Figure 3-4: DMCȱUtilityȱandȱSWȱEncoderȱValues
ȱ
SW 1
SW 2
SW 3
SW4
9.
InȱtheȱDMCȱUtility,ȱmakeȱtheȱrequiredȱchanges.
10. ClickȱSetAC.
11. Inȱtheȱscannerȱapplication,ȱClickȱOKȱtoȱstartȱanotherȱiterationȱofȱtheȱAȬPlaneȱopeningȱtool.
12. Ifȱtheȱopeningsȱareȱfoundȱwithinȱtoleranceȱlimits,ȱtheȱprocedureȱendsȱwithȱaȱsuccessȱmessageȱ
13. Ifȱtheȱresultsȱareȱnotȱwithinȱtolerances,ȱtheȱinstructionsȱwindowȱappearsȱwithȱtheȱnecessaryȱstepsȱtoȱ
modifyingȱtheȱsliceȱwidthȱencoderȱvaluesȱinȱtheȱDMCȱutility.ȱ
a. RepeatȱstepȱStep 8ȱonȱpageȱ169ȱthroughȱStep 11ȱonȱpageȱ170.
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Section 4
4.1
Section 4
Laser Alignment
Interior Scan Frame Lasers
Ifȱapplicable,ȱIngenuityȱCTȱScannersȱareȱpreȬalignȱfromȱtheȱfactory,ȱcheckȱtheȱlasersȱforȱproperȱ
positioning.ȱThereȱareȱtwoȱinternalȱlasers,ȱatȱapproximatelyȱtheȱ11ȱandȱ3ȱo’clockȱpositions,ȱwithȱtheȱXȬrayȱ
tubeȱatȱtheȱ12:00ȱposition.ȱThisȱprocedureȱwillȱhelpȱyouȱwithȱtheȱalignmentȱofȱtheȱinternalȱlasersȱandȱcheckȱ
coverȱlasersȱwithȱtheȱinternalȱlasers.
1.
WARNING:
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UsingȱtheȱDMCȱUtilityȱinsideȱtheȱDMSȱTools,ȱchooseȱtheȱ“Go2Position”ȱtabȱandȱsetȱtheȱAȬPlaneȱ
collimatorȱtoȱ2000Pmȱandȱclickȱonȱtheȱ“Move”ȱbutton.ȱThisȱwillȱprovideȱaȱalignmentȱpointȱforȱtheȱ
followingȱsteps.
Hazardous voltages inside. Disconnect supply before servicing. Failure to do so may result in
serious injury or death.
2.
OpenȱtheȱGantryȱfrontȱcoverȱtoȱdeactivateȱtheȱdrivesȱviaȱtheȱinterlockȱswitch.ȱȱDoȱnotȱdefeatȱthisȱ
switch.
3.
RemoveȱtheȱLexanȱRingȱorȱpushȱtheȱringȱbackȱenoughȱtoȱclearȱaȱviewȱforȱcollimatorȱopening.
4.
Rotateȱtheȱscanȱframeȱclockwiseȱuntilȱtheȱtubeȱisȱatȱtheȱ12:00ȱposition.ȱ
5.
UseȱCanSenderȱtoȱenableȱRotorȱLasersȱonȱwithoutȱtimingȱout,ȱselectȱROT_LASER,ȱL_RL_ON_REQȱ
andȱtoggleȱ‘AutoSend’.
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LaserȱAlignment
!
WARNING:
Adjustment are made to the lasers via their spring loaded adjustment screws. Do Not look
directly into the lasers (beam) path or its reflection on smooth, mirror-like surfaces. Noncompliance with legal regulations can lead to bodily injury due to the hazardous effects of
the laser beam.
6.
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CheckȱtheȱviewingȱareaȱorȱpathȱofȱtheȱlaserȱlineȱaroundȱtheȱGantryȱopening.ȱIfȱthereȱareȱtwoȱlinesȱasȱ
opposedȱtoȱoneȱcontinuousȱline,ȱyouȱwillȱneedȱtoȱadjustȱtheȱAllenȱscrewsȱinȱorderȱtoȱbringȱtheȱtwoȱ
lasersȱintoȱalignment.ȱReferȱtoȱFigure 4Ȭ1ȱonȱpage 173.
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Note:
LaserȱAlignment
TakeȱaȱpieceȱofȱnotebookȱpaperȱandȱlayȱitȱoverȱtheȱDMSȱopeningȱtoȱaidȱyouȱinȱviewingȱtheȱLaserȱline.ȱ
Figure 4-1: AligningȱInteriorȱLasers
Lexan Ring
Laser Line
Place Paper
across DMS
7.
BlockȱoneȱofȱtheȱtwoȱmarkerȱLasersȱlightsȱwithȱaȱpieceȱofȱmaskingȱtape.
!
CAUTION:
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Be careful not to get glue from the tape on laser lens.
8.
Laserȱlensȱisȱalignedȱ115ȱmmȱfromȱresolverȱsurface.ȱCheckȱtheȱmeasurementȱofȱLaserȱbeam.ȱSeeȱ
Figure 4Ȭ2ȱonȱpage 174.
9.
RemoveȱtheȱtapeȱfromȱtheȱunalignedȱLaserȱandȱblockȱtheȱlightȱfromȱtheȱalignedȱlaser.ȱBeȱcarefulȱnotȱtoȱ
moveȱtheȱalignedȱlaserȱwhenȱputtingȱtapeȱonȱit.
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LaserȱAlignment
10. Again,ȱalignȱtheȱsecondȱLaserȱlensȱ115ȱmmȱfromȱresolverȱsurface.ȱ
Figure 4-2: ȱMeasureȱfromȱResolverȱSurfaceȱtoȱLasersȱBeam
11. RemoveȱtheȱtapeȱfromȱtheȱblockedȱLaserȱandȱobserveȱthatȱtheȱcombinedȱLasersȱappearȱasȱaȱsingleȱlineȱ
acrossȱtheȱPȬPlane.ȱMakeȱsmallȱcorrectionȱtoȱtheȱLaserȱbeamȱusingȱtheȱadjustmentȱscrewsȱtoȱremoveȱ
skew.ȱSeeȱFigure 4Ȭ3ȱonȱpage 175
Note:
459800962111ȱRevȱCȱ
Itȱonlyȱtakesȱaȱveryȱsmallȱchangeȱinȱtheȱsetȱscrewsȱtoȱincurȱaȱlargeȱchangeȱinȱtheȱlaserȱalignmentȱbeam.ȱ
Laserȱadjustmentȱareȱtheȱsameȱforȱbothȱlasers.ȱ
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LaserȱAlignment
Figure 4-3: ȱLasersȱAdjustmentȱScrews
Adjustment Screws
For IN and Out
Adjustment Screws
For Skewing
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Laser Beam
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LaserȱAlignment
12. Rotateȱtheȱscanȱframeȱbyȱhand,ȱplacingȱtheȱtubeȱatȱ6:00ȱandȱverifyȱthatȱthereȱisȱonlyȱoneȱcontinuousȱ
laserȱline.ȱSeeȱFigure 4Ȭ4.ȱ
Figure 4-4: LaserȱCenteringȱtheȱCollimatorȱ
.
Laser Lines Over Opening
13. CheckȱtheȱLaserȱlineȱoverȱcollimatorȱopeningȱwithȱpaper.ȱAlsoȱcheckȱtheȱLaserȱlineȱpath/beamȱoverȱ
theȱwholeȱareaȱwithȱaȱstraightȱsurfaceȱ(markȱtheȱtape)ȱandȱcheckȱbeamȱatȱvariousȱpositionȱagainstȱ
resolverȱsurfaceȱforȱaȱtrueȱline.
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LaserȱAlignment
Figure 4-5: CheckȱBeamȱPath
14. Removeȱtheȱpaperȱandȱverifyȱthatȱtheȱlasersȱareȱcurrentlyȱpositionedȱinȱtheȱmiddleȱofȱtheȱscanȱfield.ȱ
a. PlaceȱsystemȱphantomȱonȱtheȱcouchȱandȱtapeȱanȱunfoldedȱpaperȬclipȱorȱsmallȱpieceȱofȱsolderȱonȱ
theȱgrooveȱinȱtheȱmiddleȱofȱtheȱ“head”ȱsection.
b. AlignȱtheȱpaperȬclipȱorȱsolderȱwithȱtheȱinternalȱlaser.ȱ
c. Performȱaȱsimpleȱaxialȱscanȱusingȱtheȱheadȱprotocol.ȱ(TheȱQAȱHeadȱStd.ȱworksȱwellȱforȱthisȱ
procedure)ȱChangeȱtheȱstandardȱsettingsȱasȱfollows;ȱ
Thickness -- change to 1.5
d. LookȱforȱtheȱpaperȬclipȱorȱsolderȱonȱtheȱmiddleȱtwoȱslices.ȱIdeallyȱitȱshouldȱbeȱbetweenȱtheȱtwoȱ
centerȱslicesȱifȱtheȱlasersȱareȱproperlyȱaligned.ȱ
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LaserȱAlignment
Gantry Cover Lasers
There at three lasers on the inside for the Gantry front cover. The top laser can only be adjusted after
the internal lasers.
1.
Note:
Closeȱtheȱfrontȱcoverȱandȱsecureȱwithȱtheȱscrewsȱatȱtheȱbottomȱofȱtheȱcover.ȱTheȱconeȱisȱstillȱremovedȱ
atȱthisȱtime.ȱTurnȱonȱtheȱlasers.ȱ
Theȱcoverȱlaserȱlineȱshouldȱbeȱparallelȱtoȱtheȱinternalȱlaserȱline.ȱ
a. LookȱatȱtheȱInternalȱ&ȱCoverȱLaserȱlinesȱprojectedȱonȱtheȱtableȱtop.
b. Measureȱtheȱdistanceȱbetweenȱtheȱlaserȱlinesȱtoȱmakeȱsureȱthatȱtheyȱareȱasȱequalȱasȱpossible.ȱ
Figure 4-6: LasersȱAlignȱonȱPatientȱSupport
Measure the
Distance
Internal Lasers Line
Cover Lasers Line
Cover Lasers Line
Z-axis Line
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2.
LaserȱAlignment
Adjustȱtheȱtopȱcoverȱlaserȱsoȱthatȱtheȱbeamsȱalignȱwithȱeachȱotherȱandȱareȱroughlyȱperpendicularȱatȱ
theȱZȬaxisȱLine.
Figure 4-7: CoverȱLasersȱScrews
Top Laser
Screws
Left Laser
Screws
3.
Right Laser
Screws
Makeȱtheȱadjustment,ȱifȱnecessaryȱtoȱtheȱappropriateȱlaser,ȱcloseȱandȱsecureȱtheȱcoverȱagainȱandȱreȬ
checkȱtheȱalignment.ȱ
ȱ Repeatȱuntilȱtheȱlaserȱlineȱisȱcorrectlyȱinȱlineȱwithȱtheȱinternalȱlasers’ȱline.ȱReferȱtoȱFigure 4Ȭ6ȱonȱ
page 178.
459800962111ȱRevȱCȱ
4.
Replaceȱtheȱconeȱandȱcloseȱtheȱfrontȱcover.ȱTurnȱtheȱlasersȱonȱagainȱandȱmakeȱaȱfinalȱalignmentȱcheck.ȱ
5.
Openȱ“ServiceȱToolsȱ>ȱConfigurationȱToolsȱ>ȱSettings”.ȱȱLocateȱ“MotionȱTable_107”ȱfromȱtheȱMenuȱ
PanelȱandȱselectȱtheȱManualȱMotionȱSL_RLȱlaserȱgapȱinȱ0.1,ȱdefaultȱ3159”.ȱȱReferȱtoȱFigure 4Ȭ8ȱonȱ
page 180.ȱ
6.
Doȱaȱlineȱcheckȱwithȱaȱpieceȱofȱtape,ȱmarkȱtheȱexternalȱlaserȱpositionȱandȱzeroȱtheȱtable.ȱDriveȱtableȱinȱ
untilȱtheȱmarkȱalignsȱwithȱtheȱinternalȱlaserȱ(checkingȱlineȱforȱparallel).
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7.
LaserȱAlignment
Overȱwriteȱtheȱdefaultȱvalueȱ(3159)ȱwithȱtheȱvalueȱobtainedȱfromȱtheȱCTȱboxȱhorizontalȱreadout.ȱUseȱ
allȱdigitsȱexcludingȱtheȱdecimalȱpoint.ȱClickȱ“WriteȱValuesȱtoȱRegistry”.ȱCloseȱ“ServiceȱTools”.ȱReferȱ
toȱFigure 4Ȭ8ȱonȱpage 180.
Figure 4-8: ServiceȱTools
Select the Motion Table
459800962111ȱRevȱCȱ
Place new value in place
of the default
8.
MakeȱsureȱtheȱrotorȱisȱnotȱspinningȱandȱopenȱtheȱEȬStopȱLoop.ȱCloseȱtheȱEȬStopȱloopȱwhenȱtheȱ
promptȱbecomesȱavailable.ȱThisȱshouldȱsendȱtheȱnewȱvaluesȱjustȱenteredȱinȱtheȱpreviousȱstepȱoutȱtoȱ
theȱGantry.
9.
WithoutȱmovingȱtheȱPatientȱSupport,ȱenableȱtheȱLasersȱandȱverifyȱthatȱtheȱcoverȱLasersȱstillȱfallȱ
directlyȱonȱtheȱalignmentȱringȱofȱtheȱphantom.ȱIfȱtheȱalignmentȱisȱnotȱcorrectȱrepeatȱtheȱprocessȱoverȱ
untilȱtheȱresultsȱareȱsatisfactory.ȱ
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Section 5
Note:
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Section 5
Loading A-Plane Calibration Constants
OnlyȱrequiredȱifȱAȬPlaneȱCollimatorȱisȱbeingȱreplaced.ȱAlsoȱifȱtheȱCDȱisȱbadȱorȱunableȱtoȱbeȱused,ȱgoȱtoȱ
theȱPhilipsȱwebȱpageȱ>ȱunderȱsales/serviceȱ>ȱselectȱCTȱcustomerȱsupportȱ>ȱresourcesȱ>ȱAȱplaneȱDataȱ>ȱenterȱ
collimatorȱ(#)ȱnumber,ȱthenȱdownloadȱandȱinstallȱonȱsystem.
1.
OnȱtheȱCDȱ(E:),ȱverifyȱthatȱtheȱserialȱnumberȱofȱtheȱfileȱmatchesȱtheȱserialȱnumberȱofȱtheȱAȬplaneȱ
collimatorȱinstalledȱonȱtheȱsystem.ȱCreateȱaȱnewȱdirectoryȱonȱtheȱD:\ȱdriveȱnamedȱAPLANEȱCopyȱ
theȱXXXXXXXXXX.clbȱfileȱtoȱtheȱD:\APLANE\ȱdirectory.ȱRightȱclickȱtheȱfileȱandȱeditȱ“Properties”ȱtoȱ
unȬclickȱ“ReadȱOnly”.ȱȱClickȱ“Apply”ȱandȱ“Close”.ȱ
2.
WithinȱServiceȱTools,ȱlaunchȱtheȱDMCȱUtilityȱbyȱnavigatingȱto:ȱDIAGNOSTICSȱ>ȱDMSȱTOOLSȱ>ȱ
DMCȱUtility.
3.
OnȱtheȱHostȱPC,ȱselectȱtheȱfollowing:ȱOpenJIGFileȱ(Secondȱiconȱfromȱtheȱleft,ȱshownȱBelow.)ȱ
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LoadingȱAȬPlaneȱCalibrationȱConstants
4.
Selectȱtheȱfile:ȱD:\APLANE\ȱXXXXXXX.clb.ȱ
5.
Selectȱ”SetAC”.ȱȱȱToȱverifyȱtheȱvaluesȱwereȱstoredȱcorrectlyȱselectȱ”Clear”ȱandȱthenȱȱ”GetAC”.ȱȱMakeȱ
sureȱtheȱ0,1,2,3ȱwereȱreplacedȱbyȱnewȱvalues.ȱ
6.
Duringȱtheȱnextȱstep,ȱtheȱEȬStopȱwillȱopenȱuponȱpressingȱSetAOffsets.ȱThisȱisȱnormal.
7.
Selectȱtheȱ”AȱOffsets”ȱtabȱandȱ”SetAOffsets”.ȱToȱverifyȱtheȱvaluesȱwereȱstoredȱcorrectlyȱselectȱ
”Clear”ȱandȱthenȱ”GetAOffsets”.ȱȱȱMakeȱsureȱtheȱdefaultȱvalueȱofȱ511ȱwasȱreplacedȱbyȱtheȱnewȱ
values.
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LoadingȱAȬPlaneȱCalibrationȱConstants
8.
Selectȱtheȱ”AȱPlane”ȱtabȱagain.ȱSelectȱ”SetAC”.ȱȱȱToȱverifyȱtheȱvaluesȱwereȱstoredȱcorrectlyȱselectȱ
”Clear”ȱandȱthenȱ”GetAC”.ȱMakeȱsureȱtheȱ0,1,2,3ȱwereȱreplacedȱbyȱnewȱvalues.ȱ
9.
RemoveȱtheȱCDȱfromȱtheȱHostȱdriveȱandȱplaceȱitȱinȱtheȱsystemȱdataȱbook.ȱ
10. Runȱthroughȱtheȱsystemȱcalibrationsȱasȱdocumented.
!
WARNING:
459800962111ȱRevȱCȱ
DO NOT ENTER VALUES FROM THE CLB FILE MANUALLY INTO THE DMC UTILITY. DOING SO
WILL CAUSE THE A-PLANE TO OPERATE INCORRECTLY.
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Patient Support Horizontal Calibration
The following procedure will calibration the patient support horizontal position.
WARNING:
HAZARDOUS VOLTAGES ARE PRESENT DURING THIS PROCEDURE.
1.
TheȱGantryȱpowerȱshouldȱbeȱon.ȱLogȱinȱtoȱServiceȱmodeȱasȱPhilips_Service.ȱ
2.
Moveȱtheȱcouchȱcarbonȱtopȱtoȱitsȱfullyȱextendedȱpositionȱtowardȱtheȱgantry.ȱTheȱencoderȱisȱ
underneathȱtheȱcarbonȱtop.ȱThereȱareȱtwoȱdifferentȱtypesȱofȱencoderȱassemblies.
453566495191ȱStegmannȱencoderȱ(yellow),ȱresetȱitȱbyȱremovingȱtheȱcoverȱandȱdepressingȱtheȱsmallȱ
buttonȱinsideȱabsoluteȱencoder.ȱSeeȱFigure 6Ȭ1ȱonȱpage 185.
362416ȱBaumerȱencoder,ȱmomentarilyȱconnectȱtheȱjumperȱcableȱ453567229261ȱtoȱP766ȱasȱshownȱDoȱ
notȱleaveȱtheȱjumperȱonȱP766.ȱReferȱtoȱFigure 6Ȭ2ȱonȱpage 186.ȱ
459800962111ȱRevȱCȱ
3.
Replaceȱcoverȱonȱ453566495191ȱabsoluteȱencoderȱifȱapplicable.ȱTheȱCouchȱzeroȱpositionȱisȱnowȱset.
4.
BackȱupȱtheȱNVRAMȱforȱtheȱCouch.ȱReferȱtoȱtheȱDiagnosticȱGUIȱmanual.ȱSeeȱ“UploadȱandȱDownloadȱ
ofȱNVRAM”ȱonȱtheȱindexȱpage.ȱ
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Figure 6-1: AbsoluteȱandȱRelativeȱEncoderȱ
Cover (rubber plug)
on end
Absolute Encoder
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Relative Encoder
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Figure 6-2: EncoderȱResetȱ
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Figure 6-3: ȱDynaparȱEncoderȱ(Bariatric)
Reset by
depressing button
Relative Encoder
Absolute Encoder
Note - the Absolute Encoder may
have a different color.
End View of Absolute Encoder
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Section 7
Section 7
Patient Support Vertical Calibration
The following procedure will calibrate the patient support vertical position.
This procedure assumes that the floor surface is level and within 1/8” (3mm) allowable tolerance.
459800962111ȱRevȱCȱ
1.
TheȱGantryȱpowerȱshouldȱbeȱon.ȱLogȱinȱtoȱServiceȱmodeȱasȱPhilips_Service.
2.
MoveȱcarbonȱtopȱallȱtheȱwayȱoutȱawayȱfromȱtheȱGantry.ȱEnsureȱEȬstopȱloopȱisȱclosed.ȱ
3.
OpenȱServiceȱToolsȱfromȱtheȱdesktop,ȱselectȱ“Repair”ȱfolderȱandȱselectȱtheȱ“CouchȱVerticalȱ
Calibration”ȱfile.ȱ
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459800962111ȱRevȱCȱ
PatientȱSupportȱVerticalȱCalibration
4.
Selectȱtheȱ“Start”ȱbutton.ȱ
5.
ClickȱOKȱatȱtheȱwarningȱprompt.
6.
Raiseȱtheȱcouchȱuntilȱtheȱedgeȱofȱtheȱcarbonȱtopȱ1030ȱmmȱ(40.55ȱinches)ȱaboveȱtheȱfloor.ȱReferȱtoȱ
Figure 7Ȭ1ȱonȱpage 191.ȱTheȱsideȱcoversȱwillȱbeȱinȱtheȱwayȱofȱyourȱtapeȱmeasureȱslightly,ȱsoȱuseȱaȱ
straightȱedgeȱperpendicularȱtoȱtheȱcenterȱlineȱofȱtheȱcouchȱtoȱgetȱanȱaccurateȱmeasurement.ȱ
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PatientȱSupportȱVerticalȱCalibration
7.
Clickȱtheȱappropriateȱbuttonȱwhenȱtheȱtableȱisȱatȱtheȱ1030ȱmmȱ(40.55ȱinches)ȱheight.
8.
Lowerȱtheȱcouchȱuntilȱtheȱtopȱedgeȱofȱtheȱcarbonȱtopȱisȱ560ȱmmȱ(20.04ȱinches)ȱaboveȱtheȱfloor.ȱClickȱ
theȱappropriateȱbuttonȱwhenȱtheȱtableȱisȱatȱtheȱ560ȱmmȱ(20.04ȱinches)ȱheight.ȱ
PanelȱdisplayȱshouldȱreadȱȬ469ȱmmȱ+/Ȭȱ2ȱmm.ȱCalibrationȱisȱcomplete.ȱCollisionȱtestsȱareȱ
automaticallyȱreȬenabled.
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9.
PatientȱSupportȱVerticalȱCalibration
BackȱupȱtheȱNVRAMȱforȱtheȱCouch.ȱReferȱtoȱtheȱDiagnosticȱGUIȱmanualȱ(453567063761).ȱSeeȱ“Uploadȱ
andȱDownloadȱofȱNVRAM”ȱonȱtheȱindexȱpage.
10. Selectȱtheȱ“OK”ȱbuttonsȱtoȱendȱscreens.ȱ
Figure 7-1: VerticalȱMeasurementsȱ
Straight Surface Edge
A
1030mm or 560mm
Edge of the carbon
top “A” to floor
Note the couch covers
can be up or down, it will
not affect the measuring
Floor
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Section 8
Section 8
Main Drives and Angulation Setup for CGMP Equipped
Systems
Purpose
The purpose of this procedure is to provide instruction for commissioning the rotor drive motor controller
and for the calibration of the gantry angulation and tilt drive systems.
Scope
This procedure is to be used to power up and verify the proper operation of the motor controller, angular
position system and drive positioning of the scanner. The drive commissioning portion of this procedure
needs to be performed when a scanner is operated for the first time or when either the motor or motor
controller (”SpindleBlok”) is replaced.
Safety Precautions
Before performing this procedure, ensure that all components affixed to the rotating rotor are properly
secured and that any tools and test equipment have been removed from the vicinity of the scanner.
Rotate the rotor through one entire revolution by hand to verify that no components or fasteners are loose.
(CGMP Equip Systems) Equipment Required:
Personal Computer, Oscilloscope, Fluke 8060A true RMS DMM (or equivalent), digital protractor, serial
communication cable, and C:\questor\mx8000Dual\Files\Service\Options\Motor\SemiPow folder on your
PC.
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Note:
BeforeȱangulationȱcalibrationȱcanȱproceedȱtheȱDMC,ȱGHOST,ȱGMP,ȱandȱCONTROLȱLINKȱmustȱbeȱ
functionalȱandȱloadedȱtoȱtheȱlatestȱfirmwareȱrevisions.ȱ
Angulation Procedure R2D
1.
Switchȱtheȱgantryȱtoȱserviceȱmode.ȱDisableȱpowerȱtoȱtheȱmainȱdrivesȱbyȱopeningȱtheȱfuseȱblockȱ(F357,ȱ
F358,ȱandȱF359).ȱEnableȱKeyȱSwitchȱtoȱapplyȱpowerȱtoȱtheȱgantry.
2.
OnȱtheȱR2Dȱboard,ȱconnectȱchannelȱoneȱofȱanȱoscilloscopeȱtoȱTP1ȱ(REF1)ȱandȱTP3ȱ(AGRN).ȱVerifyȱthatȱ
anȱ8kHz.ȱSineȱwaveȱisȱpresent.ȱSetȱtheȱscopeȱtoȱtriggerȱonȱthisȱchannel.
3.
ConnectȱtheȱchannelȱtwoȱtoȱTP5ȱ(SIN)ȱandȱTP8ȱ(AGRN).ȱSlowlyȱrotateȱtheȱrotorȱclockwiseȱuntilȱtheȱ
sineȱwaveȱonȱchannelȱtwoȱisȱatȱitsȇȱlowestȱvalueȱ(nullȱposition).
4.
ConnectȱaȱtrueȱRMSȱmeterȱtoȱTP6ȱ(COS)ȱandȱTP8ȱ(AGRN).ȱAdjustȱtheȱgainȱpotentiometerȱ(R127)ȱ
locatedȱonȱtheȱGMPȱboardȱtoȱobtainȱ1.900ȱvoltsȱACȱ(±10mv).
5.
RecordȱtheȱCOSINEȱvoltage.ȱ
6.
MoveȱchannelȱtwoȱtoȱTP6ȱ(COS)ȱandȱTP8ȱ(AGRN).ȱȱSlowlyȱrotateȱtheȱrotorȱclockwiseȱuntilȱtheȱsineȱ
waveȱonȱchannelȱtwoȱisȱatȱitsȱlowestȱvalueȱ(nullȱposition).
7.
MoveȱtheȱtrueȱRMSȱmeterȱtoȱTP5ȱ(SIN)ȱtoȱTP8ȱ(AGRN).ȱVerifyȱthatȱtheȱvoltageȱisȱ±40mvȱofȱtheȱvoltageȱ
recordedȱforȱtheȱCOSINEȱvoltage.
8.
RecordȱtheȱSINEȱvoltage.
9.
Rotateȱtheȱrotorȱclockwiseȱuntilȱtheȱtubeȱisȱatȱtheȱ12ȱoȇclockȱposition.ȱ
10. Connectȱchannelȱ2ȱofȱtheȱoscilloscopeȱtoȱTP5ȱ(SIN)ȱandȱTP8ȱ(AGRN).
11. SlowlyȱrotateȱtheȱrotorȱfromȱtheȱlevelȱpositionȱuntilȱSINEȱisȱatȱaȱnull.ȱTheȱSINEȱshouldȱincreaseȱinȱ
amplitudeȱinȱphaseȱwithȱREFȱwhenȱtheȱrotorȱisȱmovedȱclockwise.ȱIfȱtheȱamplitudeȱincreasesȱoutȱofȱ
phaseȱwithȱREFȱrotateȱtheȱrotorȱuntilȱtheȱdesiredȱphaseȱrelationshipȱexists.
12. WithȱtheȱSINȱatȱtheȱdesiredȱorientationȱwithȱREFȱandȱatȱaȱnullȱmoveȱchannelȱtwoȱtoȱTP6ȱ(COS).ȱTheȱ
signalȱshouldȱbeȱatȱaȱpeakȱandȱinȱphaseȱwithȱREF.ȱȱAsȱtheȱrotorȱisȱrotatedȱclockwiseȱtheȱsignalȱshouldȱ
decreaseȱinȱamplitudeȱinȱphaseȱwithȱREF.
13. Moveȱchannelȱ2ȱbackȱtoȱTP5ȱ(SINE).
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14. WhenȱSINEȱisȱatȱnullȱandȱrotatingȱtheȱrotorȱclockwiseȱwouldȱhaveȱitȱincreasingȱinȱamplitudeȱinȱphaseȱ
withȱtheȱREFȱsignalȱthatȱisȱtheȱlocationȱofȱaȱNORTHMARK.ȱObserveȱthatȱLEDȱNM145ȱ
(NORTHMARK),ȱonȱtheȱR2D,ȱblinksȱonȱandȱoff.
15. LocateȱtheȱNORTHMARKȱthatȱhasȱtheȱflagȱandȱtheȱzeroȱinterrupterȱnearestȱeachȱother.ȱTheȱtubeȱ
shouldȱbeȱatȱ12:00ȱoȇclockȱposition.
16. WhileȱonȱtheȱNORTHMARK,ȱsetȱtheȱbrakeȱonȱtheȱdriveȱmotor.
17. Adjustȱtheȱflagȱonȱtheȱstatorȱtoȱbeȱcenteredȱinȱtheȱzeroȱinterrupterȱboardȱmountedȱonȱtheȱrotor.ȱȱMakeȱ
sureȱthatȱinȱtheȱZȱaxisȱtheȱflagȱisȱcenteredȱinȱtheȱinterrupter.ȱȱEnsureȱthatȱtheȱspacingȱbetweenȱtheȱflagȱ
andȱtheȱinterrupterȱdoesnȇtȱcomeȱinȱcontactȱatȱanyȱpointȱandȱpresentȱaȱclearanceȱproblemȱwhenȱtheȱ
rotorȱmovesȱatȱhighȱspeeds.
18. Releaseȱtheȱbrakeȱonȱtheȱmotor.ȱConnectȱchannelȱoneȱofȱtheȱscopeȱprobeȱtoȱP17ȱpinȱ5ȱonȱtheȱGHOSTȱ
PCB.ȱȱSyncȱonȱthisȱsignal.ȱȱVerifyȱanȱINDEXȱpulseȱisȱpresentȱonlyȱasȱtheȱzeroȱgateȱpassesȱtheȱflagȱonȱ
theȱstatorȱ(oneȱindexȱpulseȱperȱrevolution).
19. ConnectȱchannelȱoneȱofȱtheȱscopeȱtoȱP17pinȱ3ȱ(AP0).ȱȱConnectȱchannelȱtwoȱofȱtheȱscopeȱtoȱP17ȱpinȱ4ȱ
(AP90)ȱandȱsyncȱonȱchannelȱone.
20. Rotateȱtheȱrotorȱclockwiseȱwhileȱobservingȱtheȱwaveforms.ȱȱAP90ȱshouldȱleadȱAP0ȱbyȱ90ȱdegreesȱasȱ
theȱrotorȱisȱrotatedȱclockwise.
Motor Controller Commissioning
Note:
PerformȱtheȱCommanderȱSKȱorȱSpindleBlokȱCommissioningȱafterȱAngulationȱProcedure.ȱ(seeȱCommanderȱ
SKȱCommissioning ȱonȱpageȱ11Ȭ207)ȱorȱ(seeȱSpindleȱBlokȱMotorȱControllerȱCommissioning ȱonȱpageȱ11Ȭ
218).ȱ
ȱ
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Section 9
Section 9
(CGMP Equipped Systems) Tilt Actuator Lift Switch
Settings
459800962111ȱRevȱCȱ
1.
Verifyȱthatȱeachȱofȱtheȱtwoȱtiltȱactuatorsȱliftȱswitchȱbracketsȱhaveȱbeenȱassembledȱwithȱtheȱ120VACȱ
powerȱswitchȱonȱtheȱinnerȱswitchȱandȱtheȱlogicȱswitchȱonȱtheȱouterȱsideȱofȱtheȱbracket.ȱToȱenableȱtheȱ
tiltȱ“JOG”ȱbuttonsȱonȱtheȱCGMPȱboard,ȱtheȱTILT_CALIB_BKSTȱmessageȱmustȱbeȱsent.ȱ
2.
Withȱtheȱgantryȱatȱ0°,ȱremoveȱjumperȱplugȱassemblyȱ453567023071ȱfromȱtheȱCGMPȱboard.ȱUsingȱtheȱ
forwardȱ“JOG”ȱbutton,ȱtiltȱtheȱgantryȱforwardȱuntilȱtheȱactuatorȱdowelȱisȱinȱtheȱfullyȱupȱpositionȱonȱ
theȱlimitȱswitchesȱandȱtheȱoppositeȱtiltȱactuatorȱbeginsȱtoȱstall.ȱUsingȱtheȱtableȱbelowȱalongȱwithȱshimȱ
stockȱorȱfeelerȱgauges,ȱadjustȱtheȱswitchȱheightȱsettingsȱtoȱgetȱtheȱ“noȱtrip”ȱandȱ“trip”ȱasȱindicated.ȱ
Replaceȱplugȱassemblyȱ453567023071.ȱ
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Figure 9-1: ȱJogsȱButtonsȱforȱCGMPȱBoard
3.
Withȱtheȱgantryȱatȱ0°,ȱremoveȱjumperȱplugȱassemblyȱ453567023081ȱfromȱtheȱCGMPȱboardȱandȱrepeatȱ
theȱprocessȱfromȱstepȱ2,ȱabove,ȱforȱtheȱotherȱcolumn’sȱliftȱswitches.
!
CAUTION:
459800962111ȱRevȱCȱ
ROTOR WILL ROTATE WHEN E-STOP IS CLOSED. MAKE SURE THAT IT CAN’T HIT ANYTHING.
Power Cutout Limit
(inner switch)
Logic Limit (outer switch)
no trip @ .040”
no trip @ .060”
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trip @ .060”
trip @ .070”
Lift Switch and Tilt Circuit Verification
1.
TiltȱtheȱGantryȱbackȱandȱforthȱseveralȱtimesȱfromȱzeroȱdegreesȱtoȱȬ30ȱstartingȱandȱstoppingȱtheȱgantryȱ
atȱleastȱ10ȱtimesȱasȱyouȱtiltȱfromȱzeroȱtowardȱȬ30.ȱTheȱEȬStopȱloopȱshouldȱnotȱopenȱatȱanytime.ȱ
2.
TheȱGantryȱshouldȱtiltȱsmoothlyȱwithoutȱexcessiveȱvibrationȱorȱjerkingȱinȱbothȱdirections,ȱindicatingȱ
thatȱtheȱEȬStopȱloopȱdoesn’tȱopen.ȱ
Tilt Limit Switch Settings
1.
Enableȱtheȱtiltȱȱ”JOG”ȱbuttonsȱonȱtheȱDualȱTiltȱInterfaceȱPCBȱbyȱusingȱtheȱCanSenderȱutilityȱtoȱsendȱaȱ
TILT_CALIB_BKSTȱmessage.ȱ
2.
Usingȱaȱshimȱstockȱsetȱorȱfeelerȱgauges,ȱcheckȱandȱsetȱtheȱtiltȱlimitȱswitchesȱonȱtheȱrightȬhandȱgantryȱ
columnȱperȱtheȱfollowingȱtable:ȱ
Table 3
ȱ
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Gantry
Angle Setting
Software Limit
(with roller actuator)
Logic Limit
(center switch)
Power Cutout
(outboard switch)
±31.5 o
N/A
no trip @ .020”
no trip @ .040”
±31.5 o
N/A
trip @ .030”
trip @ .060”
±30.5 o
trip @ .010”
N/A
N/A
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Testing E-Stops
Note:
TheȱScannerȱapplicationȱmustȱbeȱbroughtȱupȱatȱleastȱoneȱtimeȱinȱorderȱtoȱgetȱaȱtiltȱdriveȱisȱokȱ
signalȱatȱtheȱGhost.ȱUntilȱyouȱdoȱthisȱyouȱwillȱnotȱbeȱableȱtoȱcloseȱtheȱEȬStopȱloopȱusingȱtheȱCANȱ
SenderȱcommandȱGANTRY_CONFIG_END_BKST.
1.
TestȱallȱtheȱEȬStopȱbuttonsȱbyȱpressingȱeachȱoneȱandȱverifyingȱthatȱtheȱMainȱDriveȱcontactorȱdropsȱ
out.ȱȱAfterȱyouȱpushȱinȱeachȱbuttonȱyouȱmustȱrotateȱitȱclockwiseȱtoȱpopȱtheȱbuttonȱbackȱout.ȱȱThenȱ
pushȱtheȱyellowȱstartȱbuttonȱtoȱengageȱtheȱMDKȱandȱmoveȱonȱtoȱtheȱnextȱEȬStopȱbutton,ȱrepeatȱthisȱ
processȱuntilȱyouȱhaveȱverifiedȱtheȱoperationȱofȱallȱ6ȱbuttons.ȱ
2.
Removeȱallȱtestȱjumpersȱandȱreconnectȱallȱcablesȱtoȱtheȱcorrectȱlocations.ȱ
3.
TurnȱtheȱGantryȱkeyȱswitchȱtoȱNormalȱmode,ȱmakeȱsureȱ6ȱEȬStopȱbuttonsȱareȱout,ȱandȱtheȱliftȱswitchesȱ
areȱinȱtheȱclosedȱposition.ȱ
4.
CloseȱtheȱSlipȱRingsȱfuseȱblockȱ(F351,ȱF352,ȱF353)ȱ*ȱCAUTIONȱ480vacȱ3phaseȱNowȱonȱtheȱSlipȱRingȱ
andȱRotateȱFrame*.ȱ
5.
AllȱtheȱCPMsȱmustȱbeȱbootedȱupȱandȱrunningȱcorrectly.ȱ
6.
OnȱtheȱconsoleȱStartȱtheȱScannerȱapplication.ȱȱ
7.
Ifȱeverythingȱisȱworkingȱsoȱfar,ȱyouȱshouldȱgetȱaȱdialogȱboxȱonȱscreenȱwithȱtheȱtextȱ”Please,ȱmoveȱtheȱ
switchȱtoȱtheȱ”ON”ȱpositionȱmomentarilyȱtoȱstartȱtheȱGantry!”.ȱȱIfȱthisȱboxȱdoesn’tȱappear,ȱthereȱisȱaȱ
problemȱpreventingȱtheȱEȬStopȱfromȱclosing.ȱ
8.
Onceȱyouȱseeȱtheȱtextȱboxȱdescribedȱinȱstepȱ7,ȱrunȱCANȱSendȱfromȱtheȱServicetoolsȱGUI.ȱȱSelectȱtheȱ
boxȱlabeledȱTILTȱfromȱtheȱleftȱside.ȱThenȱsendȱtheȱmessageȱTILT_CALIB_BKST.ȱTheȱsystemȱshouldȱ
nowȱignoreȱtheȱstateȱofȱtheȱtiltȱcircuitȱandȱallowȱyouȱtoȱattemptȱtoȱcloseȱtheȱEȬStopȱloop.ȱ
!
CAUTION:
ROTOR WILL ROTATE WHEN E-STOP IS CLOSED, MAKE SURE THAT IT CAN’T HIT ANYTHING.
9.
459800962111ȱRevȱCȱ
CloseȱtheȱEȬStopȱloopȱbyȱturningȱtheȱkeyȱswitchȱonȱtheȱCTȱboxȱclockwise.ȱRotateȱframeȱshouldȱnowȱ
moveȱtoȱtheȱhomeȱpositionȱ(XRTȱatȱ6:00).ȱLEDsȱ21ȱandȱ22ȱonȱtheȱGhostȱshouldȱgoȱoffȱandȱstayȱoffȱ
indicatingȱthatȱtheȱEȬStopȱloopȱisȱclosed.ȱ
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10. CheckȱtheȱoperationȱofȱtheȱHeatȱExchangerȱfansȱmakeȱsureȱtheyȱareȱturningȱunderȱpowerȱandȱthatȱtheȱ
airȱflowȱisȱtowardȱtheȱbackȱofȱtheȱgantryȱindicatingȱtheȱfansȱareȱoperatingȱcorrectly.ȱ
CT Box and Gantry Controls/Couch Verification
459800962111ȱRevȱCȱ
1.
VerifyȱallȱtheȱcontrolsȱonȱtheȱCTȱBoxȱworkȱasȱdesigned.ȱTheseȱincludeȱCouchȱhorizontalȱin/out,ȱCouchȱ
verticalȱup/down,ȱGantryȱtiltȱforward/back.ȱ
2.
VerifyȱallȱtheȱbuttonsȱonȱtheȱleftȱandȱrightȱGantryȱPanelȱcontrolsȱworkȱasȱdesigned.ȱTheseȱincludeȱ
Gantryȱtiltȱforward/back,ȱCouchȱhorizontalȱin/out,ȱCouchȱverticalȱup/down,ȱInsideȱtoȱOutsideȱlaserȱ
markers,ȱPatientȱunload,ȱZeroȱhorizontalȱposition,ȱandȱLaserȱon/off.
3.
Testȱtheȱoperationȱofȱbothȱhandlesȱtapeȱswitchesȱandȱbothȱsidesȱofȱtheȱfootȱswitch.ȱMakeȱsureȱthatȱallȱ4ȱ
tapeȱswitchesȱworkȱproperly.ȱ
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Section 10
1.
WARNING:
Section 10
Tilt Calibration
TheȱfollowingȱprocedureȱwillȱcalibrateȱtheȱGantryȱTilt.
Hazardous voltages inside during this procedure. Take special care in servicing equipment in
this situation. Failure to do so can result in serious injury or death.
2.
MoveȱcarbonȱtopȱallȱtheȱwayȱoutȱawayȱfromȱtheȱGantry.ȱEnsureȱEȬstopȱloopȱisȱclosed.ȱ
3.
OpenȱServiceȱToolsȱfromȱtheȱdesktop,ȱselectȱ“Repair”ȱfolderȱandȱselectȱtheȱ“TiltȱCalibration”ȱfile.ȱ
Figure 10-1: ServiceȱToolsȱmenuȱ/ȱProtractorȱonȱGoodȱSurfaceȱ
459800962111ȱRevȱCȱ
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459800962111ȱRevȱCȱ
TiltȱCalibration
4.
Openȱtheȱfrontȱcover,ȱliftȱandȱremoveȱtheȱrearȱandȱrightȱsideȱtopȱcoverȱ(toȱgainȱaccessȱforȱalignmentȱ
andȱuseȱofȱtheȱjogȱbuttons).ȱ
5.
Placeȱaȱprotractorȱonȱaȱgoodȱsteelȱsurfaceȱlikeȱpartȱofȱtheȱtubeȱcradleȱandȱcheckȱforȱ0ȱdegreesȱtilt.ȱSeeȱ
Step Note:ȱonȱpageȱ202.
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TiltȱCalibration
Figure 10-2: ServiceȱToolsȱmenuȱ/ȱProtractorȱonȱGoodȱSurfaceȱ
Note:
459800962111ȱRevȱCȱ
Afterȱcheckingȱwithȱtheȱprotractor,ȱremoveȱitȱfromȱtubeȱcradleȱandȱalignȱitȱalongȱrightȱtopȱrailȱofȱtheȱsideȱ
cover.ȱCheckȱtoȱseeȱifȱyouȱareȱstillȱatȱ0ȱdegrees.ȱIfȱnotȱzeroed,ȱthenȱadjustȱforȱtheȱdifferenceȱwhenȱreadingȱ
degrees.ȱThisȱplacementȱofȱtheȱprotractorȱwillȱbetterȱassistȱyouȱinȱreadingȱforȱtiltȱcalibrationȱwithȱtheȱjogȱ
buttonsȱfromȱtheȱrear.ȱReferȱtoȱFigure 10Ȭ3ȱonȱpage 203.
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TiltȱCalibration
Figure 10-3: Placementȱforȱprotractorȱonȱmetalȱsurfaceȱ
Placement for Jogging Reverse
459800962111ȱRevȱCȱ
Placement for Jogging in Forward
6.
FollowȱtheȱinformationȱwithinȱtheȱTiltȱCalibrationȱscreen,ȱClickȱonȱtheȱ“Start”ȱbutton.ȱ
7.
FollowȱtheȱinformationȱwithinȱtheȱTiltȱCalibrationȱscreen.ȱClickȱonȱtheȱbuttonȱwhenȱtheȱgantryȱisȱatȱ0ȱ
degrees.ȱ
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459800962111ȱRevȱCȱ
TiltȱCalibration
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TiltȱCalibration
Common Gantry Motion Processor Board
Note:
Ifȱtheȱpotȱvalueȱdoesȱnotȱrespondȱtoȱtheȱcalibrationȱcommand,ȱtheȱvalueȱisȱoutȱofȱtheȱlimitsȱdefinedȱbyȱ
software.ȱTryȱtoȱreadjustȱtheȱ0ȱdegreeȱcalibrationȱaroundȱ512,ȱifȱnotȱcheckȱtheȱpots.
8.
CAUTION:ȱȱTheȱJogȱbuttonsȱWILLȱNOTȱexerciseȱanyȱcollisionȱroutines!ȱȱUsingȱtheȱJogȱbuttonsȱonȱ
theȱCommonȱGantryȱMotionȱProcessorȱ(CGMP)ȱBoardȱ(insideȱGantryȱcolumn,ȱleftȱwhenȱseenȱfromȱ
theȱrear),ȱputȱtheȱTiltȱatȱ0ȱdegrees.ȱȱReferȱtoȱFigure 10Ȭ4ȱonȱpage 205.
9.
Loosenȱtheȱsetȱscrewȱonȱtheȱsilverȱcollarȱofȱtheȱpot.ȱȱUsingȱaȱsmallȱscrewdriver,ȱturnȱPot1ȱtoȱaȱvalueȱofȱ
512ȱ+/Ȭȱ5.ȱRepeatȱthisȱforȱPot2.ȱ(TheȱreadingȱofȱPot2ȱisȱachievedȱbyȱPressingȱtheȱEnableȱandȱJogȱ
BackwardȱbuttonsȱofȱCTBoxȱorȱGantryȱControlȱPanels.ȱȱReturnȱtoȱPot1ȱbyȱpressingȱtheȱEnableȱandȱJogȱ
Forward.ȱTheȱreadingȱforȱPot2ȱisȱNegative,ȱtheȱreadingȱofȱPot1ȱisȱPositive).ȱ
Figure 10-4: JogȱButtonsȱonȱGMPȱBoardȱ/ȱPotȱ1ȱandȱPotȱ2
POT1
Use
Screwdriver
Here
POT2
459800962111ȱRevȱCȱ
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TiltȱCalibration
10. Tightenȱtheȱallenȱscrewsȱonȱtheȱpotȱcollars.
11. UsingȱtheȱJogȱbuttonsȱonȱtheȱGMPȱBoard,ȱtiltȱtheȱGantryȱ+30ȱdegrees,ȱaccordingȱtoȱtheȱprotractor.ȱ
Note:
ItȱisȱveryȱIMPORTANTȱtoȱcalibrateȱtheȱZEROȱpositionȱfirst.ȱThenȱcalibrateȱtheȱ+30ȱandȱȬ30.
12. UsingȱtheȱJogȱbuttonsȱonȱtheȱCGMPȱBoard,ȱTiltȱtheȱGantryȱtoȱȬ30ȱdegrees.
13. Followȱtheȱinformationȱwithinȱtheȱwarningȱscreen,ȱselectȱOKȱtoȱendȱtheȱTiltȱCalibrationȱmode.
14. Makeȱsureȱtheȱsystemȱisȱbackȱatȱ0ȱdegrees.ȱReattachȱtheȱrearȱcover,ȱsideȱtopȱcoverȱandȱcloseȱtheȱfrontȱ
cover.
459800962111ȱRevȱCȱ
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Section 11
Section 11
Commander SK Commissioning
TheȱfollowingȱcommissioningȱprocedureȱwillȱsetȱtheȱEmersonȱmotorȱcontrollerȱtoȱtheȱelectricalȱoperatingȱ
characteristicsȱofȱtheȱmotor.ȱ
TheȱCommanderȱSKȱCommissioningȱToolȱisȱanȱexecutableȱthatȱisȱprovidedȱtoȱcommission/configureȱtheȱ
CommanderȱSKȱmotorȱcontroller.ȱTheȱcommissioningȱprocessȱloadsȱregistersȱonȱtheȱmotorȱcontrollerȱandȱ
performsȱanȱautoȱtuneȱoperation.ȱTheȱautoȱtuneȱoperationȱrequiresȱspinningȱtheȱmotor.ȱUponȱcompletionȱ
theȱdriveȱisȱtunedȱforȱoptimalȱperformanceȱinȱtheȱsystem.
Figure 11-1: CommanderȱSKȱMotorȱController
459800962111ȱRevȱCȱ
1.
Onȱtheȱhost,ȱLoginȱasȱphilips_service.
2.
Startȱtheȱscannerȱapplicationȱsoftwareȱ(soȱtheȱEȬstopȱcanȱbeȱclosedȱlater).
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WARNING:
459800962111ȱRevȱCȱ
CommanderȱSKȱCommissioning
WARNING HAZARDOUS VOLTAGES ARE PRESENT IN THE GANTRY SUPPORT. AVOID
CONTACT WITH LIVE CONNECTIONS WHILE SERVICING. FAILURE TO DO SO MAY RESULT IN
SERIOUS INJURY OR DEATH.
3.
TurnȱtheȱGantryȱpowerȱoffȱatȱtheȱwallȱbox.ȱIfȱapplicable,ȱopenȱfrontȱandȱremoveȱrearȱcoversȱtoȱgainȱ
access.
4.
Pinȱtheȱrotatingȱscanȱframeȱinȱoneȱofȱtheȱtwoȱlockingȱlocationsȱbeforeȱremovingȱtheȱmainȱdriveȱbelt.ȱ
OnlyȱmoveȱtheȱscanȱframeȱinȱCWȱdirection.
5.
TakeȱNoteȱwhereȱtheȱbeltȱisȱinstalledȱonȱtheȱmotorȱpulleyȱandȱnoteȱifȱthereȱisȱanȱopenȱpulleyȱgrooveȱ
towardȱtheȱmotorȱorȱtowardȱtheȱback,ȱsoȱtheȱbeltȱcanȱbeȱreinstalledȱinȱtheȱsameȱgroovesȱandȱmaintainȱ
theȱoriginalȱalignment.
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CommanderȱSKȱCommissioning
Figure 11-2: MotorȱPulley
Grooves in Pulley
Pry UP On
Tensioner
Sheave
Belt Alignment
to the Grooves
!
CAUTION:
459800962111ȱRevȱCȱ
Be careful releasing the tensioner since it is under considerable spring force.
6.
Pryȱtheȱbeltȱtensionerȱupȱwithȱaȱsuitableȱtoolȱtoȱrelieveȱtensionȱonȱtheȱbeltȱandȱremoveȱtheȱbeltȱfromȱ
theȱmotorȱpulley.ȱ(Forȱmoreȱdetailedȱinstructionsȱseeȱtheȱdriveȱbeltȱremovalȱ/ȱreplacementȱinstructionsȱ
inȱtheȱGantryȱRepairȱ/ȱReplacementȱManual).
7.
Spinȱtheȱtensionerȱpulleyȱbyȱhandȱtoȱmakeȱsureȱitȱrotatesȱsmoothlyȱandȱfreely.
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Note:
CommanderȱSKȱCommissioning
Theȱmotorȱwillȱrotateȱduringȱtheȱcommissioningȱprocedure.
8.
OpenȱWindowsȱExplorerȱ(orȱMyȱComputer)ȱandȱnavigateȱtoȱtheȱfolderȱC:\PmsCT\Bin\Service.
9.
DoubleȬclickȱtheȱfileȱRotorControllerTool.exeȱtoȱstartȱtheȱprogram.
Figure 11-3: PerformȱCommissioning
10. Whenȱtheȱtoolȱstarts,ȱtheȱmainȱscreenȱshownȱinȱFigure 11Ȭ3ȱonȱpage 210ȱwillȱbeȱdisplayed.
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CommanderȱSKȱCommissioning
11. ClickȱonȱtheȱPerformȱCommissioningȱbutton.ȱTheȱboxȱshownȱinȱFigure 11Ȭ3ȱonȱpage 210.
12. MakeȱsureȱthatȱtheȱPerformȱCommissioningȱboxȱisȱchecked.
13. MakeȱsureȱthatȱtheȱcorrectȱCommissioningȱParameterȱfileȱisȱselectedȱ(seeȱFigure 11Ȭ4ȱonȱpage 211).ȱ
Figure 11-4: SetupȱforȱCommissioning
PERFORMȱCOMISSIONIONINGȱBOXȱ
MUSTȱHAVEȱCHECKȱMARKȱ
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CommanderȱSKȱCommissioning
14. TurnȱpowerȱtoȱtheȱGantryȱONȱ(ForȱmoreȱdetailedȱinstructionsȱseeȱtheȱSystemȱPowerȱUpȱinȱtheȱGantryȱ
Repairȱ/ȱReplacementȱManual).
15. WaitȱforȱtheȱsystemȱapplicationȱdialogȱboxȱforȱclosingȱtheȱEȬstopȱtoȱbeȱdisplayed.
16. ClickȱtheȱNextȱbutton.ȱTheȱboxȱshownȱinȱFigure 11Ȭ5ȱonȱpage 213ȱisȱdisplayed.
17. WaitȱforȱtheȱinitializationȱprogressȱindicatorȱtoȱfinishȱandȱforȱCompletedȱtoȱbeȱdisplayedȱ(seeȱ
Figure 11Ȭ5ȱonȱpage 213).ȱThisȱinitializationȱprocessȱshouldȱonlyȱtakeȱaȱfewȱseconds.
18. Whenȱtheȱinitializationȱisȱcompleteȱcycleȱpowerȱtoȱtheȱgantryȱasȱfollows:
a. TurnȱpowerȱtoȱtheȱGantryȱOFFȱ(ForȱmoreȱdetailedȱinstructionsȱseeȱtheȱSystemȱPowerȱDownȱinȱtheȱ
GantryȱRepairȱ/ȱReplacementȱManual.
Note:
Theȱbeltȱisȱalreadyȱoff.
Note:
CyclingȱGantryȱpowerȱisȱanȱessentialȱstepȱofȱtheȱcommissioningȱprocedure.
b. TurnȱpowerȱtoȱtheȱGantryȱON.
19. WhenȱtheȱEȬStopȱdialogȱboxȱappears,ȱpressȱtheȱNextȱbuttonȱ(seeȱFigure 11Ȭ5ȱonȱpage 213)ȱisȱdisplayed.
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CommanderȱSKȱCommissioning
Figure 11-5: Initialization
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CommanderȱSKȱCommissioning
Figure 11-6:
WARNING:
ON SYSTEMS THAT HAVE CLASS 3B INVISIBLE LASERS FOR THE OPTICAL DATA PATH MAKE
SURE TO WEAR LASER SAFETY GLASSES AT THE REAR OF GANTRY WHEN THE GANTRY
REAR COVER IS REMOVED AND THE INTERLOCK IS DEFEATED. FAILURE TO AVOID
EXPOSURE MAY CAUSE EYE DAMAGE.
20. TurnȱtheȱCTȱboxȱkeyȱswitchȱtoȱcloseȱtheȱEȬStop.
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CommanderȱSKȱCommissioning
Theȱcommissioning/autoȱtuneȱwillȱcommence.ȱTheȱprogressȱbarȱwillȱbeȱupdatedȱtwiceȱ(seeȱFigure 11Ȭ6ȱonȱ
page 214)ȱandȱtheȱmotorȱwillȱbeginȱtoȱspinȱforȱtheȱautoȱtune.
21. Whenȱtheȱmotorȱisȱspinning,ȱlookȱtoȱmakeȱsureȱthatȱtheȱmotorȱisȱturningȱcounterȬclockwiseȱasȱviewedȱ
fromȱtheȱrearȱofȱtheȱgantryȱ(clockwiseȱasȱviewedȱfromȱtheȱfrontȱofȱtheȱgantry).
22. WhenȱtheȱcommissioningȱprogressȱbarȱcompletesȱandȱCompletedȱisȱdisplayedȱnextȱtoȱtheȱprogressȱ
barȱ(seeȱFigure 11Ȭ7ȱonȱpage 216)ȱcontinueȱtoȱfollowȱtheȱinstructions:
a. TurnȱOFFȱGantryȱpower.
b. Installȱtheȱdriveȱbeltȱbackȱintoȱitsȱoriginalȱgrooveȱlocation.
c. TurnȱONȱGantryȱpower.
23. whenȱtheȱEȬStopȱdialogȱboxȱappears,ȱpressȱNext.ȱFigure 11Ȭ8ȱonȱpage 217ȱisȱdisplayed.
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CommanderȱSKȱCommissioning
Figure 11-7: Commissioning
24. WhenȱtheȱdialogȱboxȱtoȱcloseȱEȬStopȱisȱdisplayed,ȱturnȱtheȱCTȱcontrolȱboxȱkeyȱswitchȱtoȱcloseȱtheȱEȬ
Stop.
Theȱcommissioning/autoȱtuneȱfinalizationȱwillȱcommence.
TheȱReading/storingȱdriveȱparametersȱprogressȱbarȱwillȱupdateȱtoȱshowȱtheȱprogressȱandȱ
CommissioningȱCompleteȱwillȱbeȱdisplayedȱwhenȱtheȱprocessȱisȱfinishedȱ(seeȱFigure 11Ȭ8ȱonȱ
page 217).ȱAtȱthisȱpointȱtheȱcommissioningȱprocessȱisȱcomplete.
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Note:
CommanderȱSKȱCommissioning
Gantryȱpowerȱcycleȱafterȱcompletingȱtheȱcommissioningȱoperationsȱ(“PerformȱCommissioning”ȱandȱ
“UpdateȱDriveȱParameters”,ȱifȱalsoȱperformed)
Figure 11-8: CommissioningȱCompleted
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11.0.1
CommanderȱSKȱCommissioning
Spindle Blok Motor Controller Commissioning
TheȱfollowingȱprocedureȱwillȱcalibrateȱtheȱSpindleBlokȱposition.
1.
OpenȱServiceȱToolsȱfromȱtheȱdesktop,ȱselectȱ“Diagnostic”ȱfolderȱandȱselectȱtheȱ“SpindleȱBlokȱ
Commissioning”ȱfile.
Figure 11-9: ServiceȱToolsȱMenuȱ
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2.
CommanderȱSKȱCommissioning
Youȱwillȱseeȱtheȱfollowingȱscreen.ȱTurnȱtheȱgantryȱpowerȱoffȱatȱtheȱwallȱbox.ȱIfȱapplicable,ȱopenȱfrontȱ
andȱremoveȱrearȱcoversȱtoȱgainȱaccess.ȱ
ȱ
3.
Note:
Checkȱtheȱalignmentȱofȱtheȱbeltȱtoȱtheȱgroovesȱonȱtheȱmotorȱpulleyȱ(Sheave)ȱsoȱtheȱbeltȱcanȱbeȱreinstalledȱ
inȱtheȱsameȱgroovesȱandȱmaintainȱtheȱoriginalȱalignment.ȱ
4.
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Pinȱtheȱrotatingȱscanȱframeȱinȱoneȱofȱtheȱtwoȱlockingȱlocationsȱbeforeȱremovingȱtheȱmainȱdriveȱbelt.ȱ
OnlyȱmoveȱtheȱscanȱframeȱinȱCWȱdirection.ȱ
PlaceȱtheȱTensionerȱReleaseȱToolȱ(453567347191)ȱonȱtheȱtensionerȱbracketȱasȱshown,ȱinsertȱtheȱholdingȱ
pinȱtoȱholdȱtheȱtoolȱinȱpositionȱandȱpryȱtheȱbeltȱtensionerȱupȱwithȱaȱ3/8”ȱdriveȱrachetȱtoȱremoveȱtheȱ
tensionȱfromȱtheȱmainȱdriveȱbelt.ȱ
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5.
CommanderȱSKȱCommissioning
Moveȱtheȱbeltȱoffȱofȱtheȱmotorȱpulleyȱsheaveȱandȱslowlyȱreleaseȱtheȱtensionerȱbackȱintoȱposition.ȱMakeȱ
sureȱtheȱbeltȱisȱawayȱfromȱtheȱmotorȱsheaveȱasȱitȱwillȱmoveȱduringȱcommissioning.
Figure 11-10: TurnbuckleȱonȱAutoȬTensioner
Belt Tensioner
Holding Pin
SHEAVE
Tensioner Release Tool
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3/8” Drive Rachet
6.
Makeȱsureȱtoȱleaveȱpowerȱoff,ȱbeforeȱselectingȱtheȱ“Start”ȱbuttonȱtoȱbeginȱSpindleBlokȱ
Commissioning.ȱFollowȱtheȱprompts,ȱClickȱstart.ȱAȱpromptȱwillȱappearȱnotifyingȱtheȱuserȱtoȱPinȱtheȱ
scanȱframeȱ(whichȱyouȱjustȱdid)ȱclickȱOK.
7.
Checkȱcoverȱinterlockȱswitch,ȱthenȱpowerȱupȱtheȱGantryȱatȱtheȱwallȱboxȱwhenȱprompted.ȱThenȱclickȱ
OKȱtoȱ“PowerȱupȱGantryȱ“prompt.
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WARNING:
Note:
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CommanderȱSKȱCommissioning
Hazardous voltages inside during this procedure. Take special care in servicing equipment in
this situation. Failure to do so can result in serious injury or death.
8.
Afterȱclickingȱtheȱ“OK”ȱbutton,ȱaȱpromptȱtoȱcloseȱEȬStopȱ(switchȱbox)ȱshouldȱappear.ȱTurnȱtheȱswitch.ȱ
YouȱwillȱhearȱtheȱsoundȱofȱtheȱmainȱdriveȱcontactorȱandȱtheȱgreenȱLEDȱonȱtheȱtopȱofȱtheȱSpindleȱBlockȱ
shouldȱnowȱbeȱon,ȱindicatingȱthatȱtheȱmainȱdrivesȱareȱon.ȱTheȱCommissioningȱProgramȱwillȱ
automaticallyȱbegin.ȱ
9.
Whenȱtheȱcommissioningȱhasȱended,ȱaȱserviceȱtoolsȱpromptȱ(withȱinstructions)ȱwillȱappear.ȱFollowȱ
theȱinformationȱwithinȱtheȱServiceȱToolsȱprompt.ȱ
Makeȱsureȱtoȱplaceȱtheȱbeltȱbackȱinȱtheȱsameȱgroove,ȱonȱtheȱmotorȱdriveȱsheaveȱandȱcheckȱallȱaroundȱrotorȱ
castingȱforȱproperȱalignment.
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CommanderȱSKȱCommissioning
10. Afterȱremountingȱtheȱbelt,ȱunpinningȱtheȱgantryȱandȱverifyingȱthatȱallȱinstructionsȱinȱtheȱpromptȱhaveȱ
beenȱfollowed,ȱSelectȱ“VerifyȱRotation”ȱanswerȱ“OK”ȱtoȱtheȱpowerȱupȱandȱwarningȱprompt.ȱAfterȱ
allowingȱtheȱrotorȱtoȱrotateȱforȱaȱcoupleȱminutes,ȱclickȱOK,ȱtoȱstopȱtheȱrotorȱandȱpositionȱitȱtoȱ(0)ȱ
degrees.ȱTheȱverificationȱisȱnowȱcomplete.ȱ
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Section 12
Section 12
Filter Tray Position Adjustment - Ingenuity CT Scanners
Makeȱsureȱtubeȱheatȱisȱaboveȱ30%ȱwhileȱrunningȱtheȱFEEȱDetectorȱTest.
Evenȱwhenȱproperlyȱcalibrated,ȱitȱisȱpossibleȱtoȱfindȱtheȱmovableȱfilterȱtrayȱoutȱofȱpositionȱonȱtheȱScannerȱ
andȱcuttingȱoffȱpartȱofȱtheȱimage.
1.
DetermineȱifȱtheȱfilterȱtrayȱisȱoutȱofȱpositionȱbyȱrunningȱtheȱFEEȱDetectorȱTestȱfromȱtheȱDiagnosticȱ
menu.ȱSeeȱFigure 12Ȭ1ȱonȱpage 223.ȱ
Figure 12-1: DiagnosticȱMenuȱ
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2.
Next,ȱselectȱfromȱtheȱFEEȱDetectorȱTestȱscreenȱtheȱ“Deadȱchannelsȱtest”ȱandȱpressȱtheȱ“StartȱScans”ȱ
button.ȱSeeȱFigure 12Ȭ2ȱonȱpage 224.
Figure 12-2: FEEȱDetectorȱTestȱScreen
3.
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Aȱwarningȱpromptȱwillȱappear,ȱfollowȱtheȱinformationȱwithinȱtheȱpromptȱandȱpressȱtheȱ“Startȱ
automaticȱscans”ȱbutton.
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4.
459800962111ȱRevȱCȱ
Changeȱtheȱprotocolȱbyȱselectingȱtheȱ“Advanced”ȱtabȱȱ
ȱandȱselectȱtheȱappropriateȱcollimationȱ
forȱtheȱsystemȱ(SeeȱTableȱ1ȱTestȱCollimation)ȱthenȱpressȱtheȱ“GO”ȱbutton.ȱ
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Brillianceȱ16/16P/64T/BigȱBore,ȱIngenuityȱCore/Core128ȱv3.6.7ȱorȱv3.6.8ȱCalibrationsȱManualȱPhilipsȱFilterȱTrayȱPositionȱAdjustmentȱȬȱIngenuityȱCTȱ
Figure 12-3: ChangeȱtheȱCollimation
Advanced Tab
Table 1. Test Collimation
Collimation Actual
Opening
Setting
(Microns)
64 Slice
32 x 1.25
14700
40 Slice
32 x 1.25
14700
16 Slice
16 x 1.5
9048
10 Slice
8x3
8857
6 Slice
6x3
6762
Go Button
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5.
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TheȱselectedȱSliceȱWidthȱopeningȱ(inȱmicronsȱi.e.ȱ10000ȱmicronsȱ=ȱ10mm)ȱonȱtheȱcollimatorȱcanȱbeȱ
verifiedȱbyȱviewingȱtheȱ“SW”ȱsectionȱofȱtheȱAPLANEȱREADERȱUtilityȱ(Startȱ>ȱProgramsȱ>ȱAplaneȱ
Reader).ȱReferȱtoȱtableȱ1ȱinȱFigure 12Ȭ3ȱonȱpage 226ȱandȱFigure 12Ȭ4ȱonȱpage 228ȱbelow.ȱ
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Figure 12-4: AplaneȱReaderȱ
Hit On
Button
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6.
Whenȱtheȱacquisitionȱhasȱfinished,ȱifȱtheȱfilterȱisȱproperlyȱpositioned,ȱtheȱfollowingȱstatusȱwindowȱ
willȱbeȱdisplayed.ȱSelectȱtheȱ“PlotȱSignal”ȱbuttonȱtoȱviewȱtheȱchannelȱprofiles.ȱSeeȱFigure 12Ȭ5ȱonȱ
page 229.
Figure 12-5: StatusȱWindow
Plot Signal Button
7.
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Aȱproperlyȱpositionedȱfilterȱtrayȱwithȱnoȱbeamȱcutoffȱwillȱgiveȱtheȱfollowingȱgraph:ȱ
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Note:
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Allȱslicesȱshouldȱfallȱbetweenȱupperȱ&ȱlowerȱcontrolȱlimitsȱandȱproducingȱsimilarȱoutputs.
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8.
Ifȱtheȱfilterȱtrayȱisȱoutȱofȱposition,ȱtheȱgraphȱmayȱlookȱasȱfollows:ȱȱInȱthisȱcase,ȱslicesȱ1ȱthruȱ5ȱhaveȱbeenȱ
attenuatedȱbyȱtheȱfilterȱtrayȱbeingȱpositionedȱtooȱfarȱinȱtheȱ+Zȱaxisȱ(towardsȱtheȱrearȱofȱtheȱscanner)ȱ
andȱhaveȱfallenȱbelowȱtheȱlowȱlimitȱofȱtheȱallowedȱprofile.ȱ
UP Limit
SLICE 5
Low Limit
SLICE 4
SLICE 3
SLICE 2
SLICE 1
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9.
Toȱinitiateȱtheȱcorrection,ȱfromȱtheȱCalibrationȱpullȬdownȱmenuȱselectȱ“CalibrationȱCANȱInterface”.ȱ
SeeȱFigure 12Ȭ6ȱonȱpage 232.
Figure 12-6: CalibrationȱPullȬdownȱMenu
10. Afterȱaȱmoment,ȱtheȱfollowingȱCanȱUtilityȱwindowȱwillȱappear.
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11. FromȱtheȱpullȬdownȱmenu,ȱselectȱ“APC_filter_enable”ȱandȱpressȱtheȱ“SendȱCommand”ȱbutton.ȱ
Thisȱwillȱenableȱtheȱfilterȱtrayȱtoȱbeȱmovedȱtoȱaȱnewȱposition.ȱ
ȱ
12. OpenȱtheȱDMCȱUtilityȱ(Startȱ>ȱProgramsȱ>ȱDMCȱUtility),ȱselectȱtheȱAȱPlaneȱtabȱandȱpressȱtheȱ“Getȱ
AC”ȱbuttonȱtoȱretrieveȱtheȱcalibrationȱconstantsȱfromȱtheȱNVRAMȱonȱtheȱDMCȱPCB.ȱȱInȱtheȱFilterȱ
portionȱofȱtheȱDMCȱUtilityȱ(inȱtheȱ“Encoder”ȱgroup)ȱdisplayȱareȱtheȱthreeȱreferenceȱtargetsȱthatȱ
correspondȱtoȱtheȱthreeȱfilterȱpositionsȱ(8000,ȱ32000ȱandȱ56000).ȱȱBecauseȱslicesȱ1ȱthruȱ5ȱwereȱcutȱoffȱinȱ
thisȱexample,ȱtheȱfilterȱtrayȱmustȱbeȱrepositionedȱtowardȱtheȱrearȱ(ȬZ)ȱinȱtheȱcollimator.ȱSeeȱFigure 12Ȭ
9ȱonȱpage 236.
13. Selectȱtheȱ“Go2ȱPosition”ȱtabȱ(seeȱFigure 12Ȭ7ȱonȱpage 234).ȱEnsureȱthatȱtheȱRedȱFilterȱSliderȱtabȱisȱinȱ
positionȱ#2ȱ(defaultȱcenterȱposition).ȱNext,ȱpressȱtheȱ“Move”ȱbuttonȱtoȱstartȱtheȱfilterȱmotion.ȱȱIfȱoutȱofȱ
position,ȱtheȱfilterȱwillȱnowȱrepositionȱtoȱtheȱcenterȱlocationȱandȱcanȱbeȱverifiedȱbyȱusingȱtheȱAPLANEȱ
ReaderȱUtility.ȱSeeȱFigure 12Ȭ8ȱonȱpage 235.ȱ
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Figure 12-7: DMCȱȬȱGo2Positionȱ
Red Filter
Slider Tab
Move Button
Note: Position #2 is the normal
position for the filter
14. ȱInȱthisȱAplaneȱReaderȱdisplay,ȱtheȱfilterȱtrayȱhasȱsuccessfullyȱmovedȱtoȱpositionȱ#2ȱ(32000ȱmicrons).ȱ
SeeȱFigure 12Ȭ8ȱonȱpage 235.
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Figure 12-8: AplaneȱReader
15. ReȬrunȱtheȱbadȱdetectorȱtestȱusingȱtheȱsameȱparametersȱasȱbeforeȱandȱcheckȱtheȱdetectorȱplots.
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Ifȱtheȱdeadȱchannelsȱtestȱplotsȱstillȱshowȱslicesȱbeingȱcutȱoff,ȱitȱwillȱbeȱnecessaryȱtoȱmodifyȱtheȱfilterȱ
referenceȱvalueȱforȱpositionȱ#2.ȱ
Beginȱbyȱpressingȱtheȱ“GetȱAC”ȱbutton.ȱNextȱchangeȱtheȱ32000ȱvalueȱtoȱ31500ȱandȱthenȱpressingȱ“Setȱ
AC”ȱbutton.
Figure 12-9: DMCȱUtilityȱ
Go2 Position Tab
Note:
Filter Position
1
2
3
DMC Value Move Towards
56000
Front
32000
Middle
8000
Back
Filter Reference
Positions
As you increase the value from 32000 the filter moves towards the front and as you decrease the number the filter moves towards
back
Get AC Button
Set AC Button
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Next,ȱswitchȱtoȱtheȱ“GO2ȱPosition”ȱtab,ȱensureȱthatȱtheȱRedȱFilterȱSliderȱisȱinȱtheȱ#2ȱpositionȱandȱpressȱtheȱ
“Move”ȱbutton.ȱUsingȱtheȱAplaneȱReader,ȱverifyȱthatȱtheȱfilterȱhasȱreturnedȱtoȱ32000.ȱReferȱtoȱFigure 12Ȭ7ȱ
onȱpage 234.
Note:
Evenȱthoughȱtheȱreferenceȱpositionȱhasȱbeenȱchangedȱtoȱ31500,ȱtheȱcollimatorȱwillȱalwaysȱpositionȱ
toȱandȱdisplayȱapproximatelyȱ32000ȱonȱtheȱAplaneȱReaderȱdisplayȱwhenȱpositionȱ#2ȱisȱselectedȱ
withȱtheȱsliderȱinȱtheȱDMCȱUtility.
16. Rerunȱtheȱbadȱdetectorȱtestȱusingȱtheȱsameȱparametersȱasȱbeforeȱandȱplotȱtheȱresultingȱgraph.ȱIfȱtheȱ
resultingȱplotȱisȱcenteredȱwithinȱtheȱgraphȱlimitsȱyou’reȱdone,ȱproceedȱtoȱstepȱ17ȱandȱcontinue.ȱ
Ifȱtheȱdetectorȱprofileȱstillȱshowsȱsomeȱbeamȱcutoff,ȱitȱwillȱbeȱnecessaryȱtoȱmodifyȱtheȱreferenceȱ
positionȱvalueȱinȱtheȱDMCȱUtility,ȱrememberȱtoȱpressȱ“SetȱAC”ȱeachȱtimeȱtheȱvalueȱisȱmodifiedȱandȱ
repositioningȱtheȱfilterȱtrayȱfromȱpositionȱ2ȱtoȱ3ȱandȱbackȱtoȱ2ȱagainȱtoȱensureȱalignment.ȱ
Ifȱit’sȱdeterminedȱthatȱtheȱrearmostȱslicesȱareȱattenuatedȱ(slicesȱ64,ȱ63,ȱ62.ȱ.ȱ.ȱonȱ“64ȱslice”ȱsystemsȱandȱ
slicesȱ40ȱ39ȱ38ȱ.ȱ.ȱ.ȱonȱ“40ȱSlice”ȱsystems,ȱItȱwillȱbeȱnecessaryȱtoȱincreaseȱtheȱreferenceȱvalueȱfromȱ
32,000ȱtoȱperhapsȱ32,500.ȱInȱnoȱcaseȱshouldȱtheȱchangeȱinȱvalueȱexceedȱ±ȱ2,500ȱmicronsȱ(2.5mm)ȱfromȱ
theȱ32000ȱstartingȱpointȱ(34500ȱ<ȱXȱ<ȱ29500)ȱwhereȱXȱisȱtheȱreferenceȱvalue.
17. Whenȱtheȱfilterȱisȱproperlyȱcenteredȱinȱtheȱ#2ȱposition,ȱaȱsmallȱredȱindexȱmarkȱwillȱbeȱvisibleȱwhenȱ
lookingȱdownȱtheȱleftȱhandȱsideȱ(referenceȱfromȱtheȱGantryȱfront)ȱofȱtheȱcollimatorȱopeningȱportȱasȱ
shownȱinȱFigure 12Ȭ10ȱonȱpage 238.ȱ
18. UsingȱCanȱUtilityȱselectȱ“Rotor_position_180”ȱandȱthenȱsendingȱtheȱcommand.ȱThisȱwillȱpositionȱtheȱ
collimatorȱtoȱtheȱ6:00ȱposition.
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Note:
Toȱviewȱtheȱindexȱmark,ȱtheȱsliceȱwidthȱopeningȱmustȱbeȱopenedȱ10ȱmmȱtoȱ14ȱmmȱ(10000ȱtoȱ14000ȱ
microns).ȱThisȱsliceȱwidthȱshouldȱalreadyȱbeȱsetȱfromȱtheȱFEEȱTest.ȱItȱmayȱbeȱnecessaryȱtoȱuseȱaȱ
smallȱflashlightȱinȱorderȱtoȱviewȱtheȱfilterȱindexȱmark.
Figure 12-10: RedȱIndexȱMarkȱ
CL
CL
Filter
Gantry Front View
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19. DisableȱtheȱfilterȱtrayȱbyȱreturningȱtoȱtheȱCANȱUtilityȱwindowȱandȱselectingȱ“APC_filter_disable”ȱandȱ
thenȱsendingȱtheȱcommand.
20. OnceȱtheȱFilterȱconstantsȱinȱtheȱDMCȱUtilityȱhasȱbeenȱmodified,ȱitȱisȱnecessaryȱtoȱmakeȱaȱpermanentȱ
changeȱinȱtheȱ.clbȱfileȱandȱreburnȱthisȱfileȱontoȱtheȱCDROMȱsuppliedȱwithȱtheȱcollimator.ȱ
Inȱourȱexample,ȱtheȱreferenceȱvalueȱforȱtargetȱpositionȱ#2ȱ(theȱnormalȱoperatingȱposition)ȱwasȱ
modifiedȱfromȱ32000ȱtoȱ31500ȱinȱorderȱtoȱrepositionȱtheȱfilterȱtrayȱbackȱbyȱ500ȱmicronsȱ(0.5mm).ȱ
Rememberȱthatȱpositionȱ#2ȱwillȱalwaysȱequateȱtoȱ32000ȱonȱtheȱAplaneȱReaderȱregardlessȱofȱtheȱvalueȱ
loadedȱinȱtheȱDMCȱUtility.ȱ
21. InsertȱCDȱintoȱHostȱCDȬRWȱdrive.ȱ
22. UsingȱExplorerȱgoȱtoȱtheȱCDȬRWȱdriveȱandȱopenȱtheȱ.clbȱfileȱwithȱtheȱNotepadȱprogram.ȱ
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Filter Reference Column
Change this value to 31500
and save file.
This value will populate the
DMSC Utility window.
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23. Modifyȱtheȱ.clbȱfileȱbyȱchangingȱtheȱ32000ȱvalueȱunderȱtheȱ“Reference”ȱcolumnȱtoȱ31500.ȱBeȱsureȱtoȱ
maintainȱtheȱ“+”ȱsignȱandȱtheȱcolumnȱspacingȱandȱjustification.
Thenȱsaveȱasȱ(mm_dd_yy)ȱw/ȱtodayȱdate,ȱtheȱvalueȱshouldȱreadȱasȱserialȱ#ȱ_ȱ112205ȱ(example:ȱ
1234_112205).
24. ThisȱmodifiedȱfileȱmustȱthenȱbeȱburnedȱtoȱtheȱCDROMȱinȱorderȱtoȱcreateȱaȱpermanentȱonȬsiteȱrecordȱ
inȱtheȱeventȱthatȱtheȱcalibrationȱconstantsȱneedȱtoȱbeȱreloadedȱtoȱtheȱDMCȱPCB.ȱTheȱrecordingȱsessionȱ
onȱtheȱAplaneȱcalibrationȱCDȱisȱdeliberatelyȱleftȱopenȱforȱthisȱpurpose.ȱ
Also,ȱsaveȱthisȱfileȱtoȱC:usr/diamond.root/cfg/siteȱ(whereȱtheȱCȱdriveȱisȱtheȱHost).
END OF PROCEDURE
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