Service Manual
Eclipse ABR and OAE
Part number 80701116 / New no 8011775 Rev 1
Valid from 2012/09 – EP software version 4.0
Contents
Contents ...................................................................................................................................................................... 1
Technical Specifications ............................................................................................................................................ 3
Eclipse Hardware Specifications ........................................................................................................................ 3
Specifications EP15/EP25 .................................................................................................................................. 4
Specifications TEOAE25 .................................................................................................................................... 6
Specifications DPOAE20 .................................................................................................................................... 6
Specifications ASSR........................................................................................................................................... 7
Specifications ABRIS.......................................................................................................................................... 8
Detachable Parts ...................................................................................................................................... 8
Accessories ................................................................................................................................................................. 9
Consumables .................................................................................................................................................... 12
Spare Parts ....................................................................................................................................................... 16
Schematics ................................................................................................................................................................ 17
ERA Board Block Diagram ............................................................................................................................... 17
Main Board Component Index Potentiometers and Measuring Points location .................................... 18
Advanced ERA Switch Board Block Diagram .................................................................................................. 19
Switch Board Component Index............................................................................................................. 20
Assembly – Spare Parts Index ................................................................................................................................ 21
Power Supply Description ................................................................................................................................ 22
Electrical Assembling .............................................................................................................................................. 23
Instrument Sketch............................................................................................................................................. 23
Rear Panel Connections................................................................................................................................... 25
Preamplifier ............................................................................................................................................................... 26
Block diagram ................................................................................................................................................... 26
OAE Probe Complete ....................................................................................................................................... 27
Calibration Procedure .............................................................................................................................................. 28
Service, adjustment and repair ......................................................................................................................... 28
Hardware Calibration ........................................................................................................................................ 28
EPx5/ABRIS Calibration ................................................................................................................................... 29
Stimuli Attenuator Calibration. ................................................................................................................ 29
Calibration of the Attenuator in Channel 1. ............................................................................................ 29
Control of the fixed Attenuator steps in the Attenuator Channel 1. ........................................................ 30
Control of the fixed Attenuator steps in the Attenuator Channel 2. ........................................................ 31
EPx5 Input section ................................................................................................................................. 32
Input Amplifier Control. ........................................................................................................................... 32
Control of the input filter. ........................................................................................................................ 33
EPx5 Stimuli Level ................................................................................................................................. 34
EPx5 Tone burst, Click, Chirp & NB Chirp calibration ........................................................................... 36
Select the Settings Tab .......................................................................................................................... 39
TEOAE 25 calibration ....................................................................................................................................... 40
Stimuli Attenuator Calibration. ................................................................................................................ 40
Calibration of the Attenuator in Channel 1. ............................................................................................ 41
Control of the fixed Attenuator steps in the Attenuator Channel 1. ........................................................ 41
Calibration of Attenuator in Channel 2. .................................................................................................. 42
Control of the fixed Attenuator steps in the Attenuator Channel 2. ........................................................ 43
OAE input amplifier. ............................................................................................................................... 43
TEOAE stimuli calibration. ..................................................................................................................... 44
Select the Settings Tab .......................................................................................................................... 45
DPOAE 20 calibration....................................................................................................................................... 46
Stimuli Attenuator Calibration................................................................................................................. 46
Calibration of the Attenuator in Channel 1. ............................................................................................ 46
Control of the fixed Attenuator steps in the Attenuator Channel 1. ........................................................ 47
Control of the fixed Attenuator steps in the Attenuator Channel 2......................................................... 48
OAE input amplifier. ............................................................................................................................... 49
DPOAE20 Microphone frequency response calibration......................................................................... 50
Select the Settings Tab. ......................................................................................................................... 51
Eclipse ABR and OAE Service Manual 1
ASSR calibration. ............................................................................................................................................. 52
Stimuli Attenuator Calibration. ................................................................................................................ 52
Calibration of the Attenuator in Channel 1. ............................................................................................ 52
Control of the fixed Attenuator steps in the Attenuator Channel 1. ........................................................ 53
Control of the fixed Attenuator steps in the Attenuator Channel 2. ........................................................ 54
ASSR Input Section................................................................................................................................ 55
Input Amplifier Control. ........................................................................................................................... 55
Control of the input filter. ........................................................................................................................ 56
ASSR Frequencies calibration. .............................................................................................................. 57
Select the Settings Tab .......................................................................................................................... 58
Trouble Shooting in TEOAE25, EP15 and EP25 Modules .................................................................................... 59
Trouble Shooting in ASSR Module ......................................................................................................................... 59
Trouble Shooting in the DPOAE Module ................................................................................................................ 60
Appendix U Update news ......................................................................................................................................... 61
Eclipse ABR and OAE Service Manual 2
Technical Specifications
Eclipse Hardware Specifications
Medical CE-mark:
The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the Medical
Device Directive 93/42/EEC. Approval of the quality system is made by TÜV – identification no. 0123.
Standards:
Safety:
IEC 60601-1:2005
ANSI/AAMI ES60601-1:2005,
Class I,
Applied parts Type BF
CAN/CAS-C22.2 No. 60601-1:08
EMC:
IEC 60601-1-2
Test signal
IEC 60645-3
Operation environment: Temperature:
15 – 35 °C
Rel. Humidity:
30 – 90%
Storing/handling:
Temperatures below 0°C and above 50°C may cause permanent
damage on the instrument and its accessories.
Warm up time:
3 minutes at room temperature (20 °C).
Designed to withstand standard transport methods, provided that original
packing material and methods are used.
Transport
EPA Preamplifier:
Two channels (standard) EPA4 Cable Collector (4 electrodes). Standard 50cm.
Option:5cm or 290cm
One channel (optional)
EPA3 Cable collector (3electrodes) 50cm
Gain:
Frequency response:
Noise:
80 dB/ 60dB (-20dB VEMP mode)
0.5Hz - 5kHz
4 nV/√Hz
0.22 µV rms (0 – 3 kHz)
Minimum >118 dB. Typical 130dB <100Hz
Typically 25dB improvement over previous available designs
CMR Ratio:
Radio Frequency
Immunity
Max input offset voltage: 2.5V
Input impedance:
10 MΩ
PC requirements:
1 GHz Pentium 3 class CPU (or better) with at least 1 GB ram, DVDROM drive, USB connector. Display: minimum 1024x768 and at least 40
GB free disk space.
System RAM: 1 GB
Supported Systems:
Windows XP (SP2 required) , Windows Vista or Windows 7 (32bit)
Data I/O
USB
Power Supply:
Input Volts:
Consumption:
Construction:
Dimensions:
Weight:
100 – 240V, 50/60 Hz
60VA
Metal cabinet
(L x W x H) 28 x 32 x 5,5 cm
3,7 kg / 8 lbs excluding accessories
Eclipse ABR and OAE Service Manual 3
Specifications EP15/EP25
Stimulus:
Stimulus
Stimulus rate:
Click:
Tone Burst Frequency:
Tone Burst
Stimulation Time:
Burst
Envelopes/windows:
NB CE-Chirp
CE-Chirp
Click 200Hz-10kHz
Polarity:
Level:
Masking:
Masking Level:
Transducer:
Traditional Click, Burst, NB CE-Chirp, CE-Chirp, Click 200Hz10kHz.
0.3 to 80.1 stimuli per second in steps of 0.1 Hz
Minimize interference add a random time every 10 stimuli.
External trigger in, max speed 60 Hz.
100 µs electrical (IEC 60645-3 2007)
500, 750, 1000, 1500, 2000, 3000 and 4000 Hz.
Stimulation up to 12 ms EP15
Stimulation up to 780 ms depending on the measurement type on
EP25
Barlett, Blackmann, Gaussian, Hamming, Hanning, Rectangle and
Manual (Rise/Fall and Plateau)
500, 1000, 2000 and 4000 Hz.
1 octave bandwidth.
175Hz-11200HZ
Band limit click from 200 Hz to 10kHz.
Condensation, Rarefaction, Alternating.
20 – 130 dB peSPL, (-10 – 100 dB nHL) in 1 dB steps. Air
conduction
White noise. Calibrated to SPL.
0 - -40 dB relative to stimulus level.
Ear Tone ABR insert phone, calibrated on an IEC60318-4
coupler.(IEC711)
Optionally a TDH39 with independent calibration can be supplied.
calibrated on an IEC60318-1
Optionally a B71 bone conductor can be supplied. calibrated on an
IEC 60318-6
Recording:
Analysis Time:
Pre recording time:
Number of stimuli
A/D Resolution
Artefact Reject System:
Gain:
Dots per Trace:
Analog High Pass Filter
DSP Input low pass filter
Display High Pass Filter:
Display Low Pass Filter
EP15: 0-30ms
EP25: 0-980ms depending on the measurement type.
EP15: -2.5 ms to + 2.5 ms.
EP25 -150 ms to +150 ms depending on the measurement type.
20 to 32000 accepted recording.
16 bit.
Standard peak voltage based system + two additional advanced
rejection algorithms, in EABR disable rejection a possibility
10- 320 µV (74-104 dB.) Auto or Manual selection.
100 - 3200µV ( 54-84 dB) in VEMP mode (-20dB on preamplifier)
450 displayed.
0.5, 1.0, 3.3, 10, 33, 100 Hz/6dB octave 10, 100 Hz 12 dB octave
100, 300, 750, 1K, 1.5K, 2K, 3K, 4K, 5K, 7.5kHz 102 taps FIR filter
50,100, 150, 300, 500 Hz 6dB/octave IIR filter
0.83  500Hz 6 dB/octave depending on the measurement type.
IIR Filter
1k, 1.5k, 2k 3k, 4k, 5k, 8k, 12kHz 33 taps FIR filter.
17  12kHz depending on the measurement type, 33 taps FIR
filter.
Controlled parameters:
Data collection:
Stimuli Rate, Number of stimuli, Polarity, Click, Tone Burst
(Frequency, no. of sine waves, window), Stimulus intensity,
Number of curves per intensity, Intensity (Ascending, Descending),
Soft attenuator, Stimulus ear, Transducer, Masking level,
Preliminary filter setting, Recording onset, Automatic next intensity
(Wave repro level on screen), General Display Gain, Single Curve
Display Gain, Baseline, Latency norm, Report templates, Print out,
Manual stimulus to familiarisation, Talk Forward, Talk Back
Monitor. Stop criteria, Protocol setup.
Impedance test,
Waveform buffer (A/B, Contra, Ipsi-Contra, A-B = Noise),
Curve (Hide, Fixate, Merge, Delete),
Online EEG,
Waveforms storage in unlimited storage database.
Eclipse ABR and OAE Service Manual 4
Reference Threshold survey
The standardized calibration values (ISO 389-6 2007) for the TDH 39, ER-3A and B-71 transducers are given in
Table I (text font Bold). The values for the interleaved frequencies 750, 1500 and 3000 Hz and the proposed tone
burst BC-values (text font italics) are estimated.
Click
Tone bursts (2-1-2) repetition rate 20 Hz
750 Hz
1000
Hz
1500
Hz
2000
Hz
3000
Hz
4000
Hz
23.0
19.0
18.5
21.0
25.0
27.0
27.5
35.5
23.5
21.0
21.5
26.0
28.5
30.0
32.5
51.5
69.5
61.0
56.0
51.5
47.5
46.0
52.0
100 µs
500 Hz
TDH 39
31.0
ER-3A
B-71
Table I Reference calibration values in dB peSPL and dB peVFL
A test report by PTB (Fedtke & Hensel, 2008) recommends peRETSPL values for the ER-3A to be used to
calibrate the broad-band chirp and the four frequency specific chirps (NB-chirps) by Interacoustics
1.
The corresponding values for the TDH 39 are estimated, and interim BC-values for the B-71 are estimated.
A final set of calibration values for the TDH 39, ER-3A and B-71 transducers are proposed in Table II.
Chirp
NB-chirps repetition rate 20 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
TDH 39
27.5
26.0
21.5
27.0
30.0
ER-3A
32.0
26.5
24.5
30.5
35.0
B-71
51.5
75.0
61.5
50.0
55.5
Table II Reference calibration values in dB peSPL and dB peVFL
1
For NB-chirp calibration it is recommended that the pure tone frequency corresponds to the center frequency of
the NB-chirp.
Eclipse ABR and OAE Service Manual 5
Specifications TEOAE25
Stimulus:
Stimulus rate:
Transducer:
Level:
Polarity:
Click:
12-20 ms dependent of stop time.
OAP30
50 – 90 dB peSPL,1 dB steps.
Linear or not linear click.
100 µs
Analysis Time:
Stop record time 12-20 ms. adjustable in 0.1ms step
Start record time 0-12ms. adjustable in 0.1ms step
25-32000 selectable in step of 25 measuring
16 bit
25-55 dB RMS
500 to 6000Hz
5ms
Recording:
Number of measuring
A/D Resolution
Reject :
Frequency response
Probe Check
Controlled parameters:
Recording Begin, Recording end = Stimuli Rate, Stimuli (Linear not
linear), Stimulus intensity, Stimulus ear, Wave repro level on screen,
Display options (FFT, Octave, S/N ratio), Automatic stop criteria for
screening, General Display Gain, Report templates, Print layout.
Probe test,
Waveform buffer (Total, A/B, A-B = Noise),
Waveforms storage in unlimited storage database.
Data collection:
Specifications DPOAE20
The DPOAE system is an OAE instrument with input/outputs for OAP30 (Interacoustics OAE Probe). It can produce
linear clicks for probe check and dual pure tone stimuli for measurement.
Stimulus:
Stimulus types:
Stimulus Freq:
Click rate
Click wide
Transducer:
Level:
Click stimuli and pure tone.
370 - 8000 Hz
25 ms
100 μS
OAP30
30 – 75 dB SPL,1 dB steps.
Analysis Time:
2 sec. - unlimited. adjustable in 1 sec. step below 2 min. and
1 min. steps up to 30 min (which is max limited recording
time). One set of data is collected at 137 ms
16 bit
Adjustable (-30 to 30 dB RMS) or off
240 to 8000Hz
25ms/40Hz 80 dB
Recording:
A/D Resolution
Reject :
Frequency response
Probe Check
Controlled parameters:
Record begin / end, Stimuli frequency, stimuli level,
frequency relation, Level relation, Test time, S/N ratio,
Rejection level, Stimuli tolerance, DP close up graph on / off,
Report template.
Data collection:
Probe test 2x256 samples (one for each transducer)
DP test 3x4096 samples (three buffers in memory)
Unlimited database memory
Eclipse ABR and OAE Service Manual 6
Specifications ASSR
Stimulus:
Stim. rate:
Transducer:
Channels
Level:
Tone Burst Frequency:
Bandwith
Masking
40 or 90 Hz
Ear Tone ABR insert phone, TDH39 headphones
(Option)
2
0 – 100 dB nHL in 5 dB steps.
500, 1000, 2000, and 4000 Hz, both ears same time.
1 octave ± ½ octave – 3 dB
White noise 0 – 100 dB nHL
Recording:
A/D Resolution
Artefact Reject System:
Gain:
channels
Accuracy method
Gain
Anti aliasing filter
6 minutes to detect a ASSR signal – can be extended
up to 15 minutes
16 bit.
Standard voltage based system
74 – 104 dB. Auto or Manual selection.
2, with separate detection algorithm
1% or 5%.
Manual 5, 10, 20, 40, 80, 160, 320 uV input
Analog 5kHz, 24 dB / octave
USB
Stimuli level and frequency
Session status
Expert or Basic View
Customer selectable correction factors available
General Display Gain , applicable during testing.
Display Gain, applicable during testing.
Independent control of up to 8 simultaneous stimuli
(max 4 per ear)
Independent start, stop control for each of the 8 stimuli
Stimulus level control for each of the 8 stimuli
False pass probability 1 or 5%
Test protocols included for children and adult
USB 1.1
Analysis Time:
Display
Display Gain:
Controlled parameter
Data I/O
LBK15 is not valid for functional check of ASSR and ABRIS
Reference Threshold survey
Interacoustics use this value as reference threshold sound pressure level for NB broad-band chirp as normal
hearing level (nHL) the calibration execution in peak-peak SPL calibration. Found as study Cebulla and
Stürzebecher.
NB-chirps repetition rate 90 Hz
TDH 39
ER-3A
500 Hz
30.0
26.0
1000 Hz
25.0
23.0
2000 Hz
20.5
23.0
4000 Hz
22.0
25.0
Table III. Reference calibration values in dB peSPL
NB-chirps repetition rate 40 Hz
TDH 39
ER-3A
500 Hz
32.5
28.5
1000 Hz
27.5
25.5
2000 Hz
23.0
25.5
4000 Hz
24.5
27.5
Table IV. Reference calibration values in dB peSPL
Eclipse ABR and OAE Service Manual 7
Specifications ABRIS
Stimulus:
Stim. rate:
Transducer:
Channels
Level:
Click:
93 Hz
Ear Tone ABR insert phone, TDH39 headphones (Option)
1
30 – 35 - 40 dB nHL.(RETSPL = 30dB)
100 µs electrical (IEC 60645-3 2007)
Analysis Time:
A/D Resolution
Artefact Reject System:
Gain:
channels
Algorithmical sensitivity
Specificity
Anti aliasing filter
Typical 20 seconds per ear.
16 bit.
Standard voltage based system
10- 80 µV (86-104 dB)
2, with separate detection algorithm
99.9%.
Typical 97%
Analog 5kHz, 24 dB / octave in preamplifier
USB
Raw EEG curve or EEG level bar
AEP wave form
Algorithmical sensitivity over test time
USB 1.1
Recording:
Display
Data I/O
Detachable Parts
• EPA PreAmplifier, EPA3 collector box or EP4 Collector box
• Power Cable
• ETB Standard Electrode cable kit
• ETU Universal Electrode cable kit
• ETR Electrode reuseable cable kit
• Tube of Skin Preparation Gel
• Set of Single Use Electrodes
• EarTone ABR including Eartips
• Operation Manual
• Service Manual
• CE Manual
Eclipse ABR and OAE Service Manual 8
Accessories
IA Part Number
Description
80001101
TDH39 shielded HB7 headband
New no. 8030457
80020004
Earphone cable IEC-M21 symmetric mono
New no. 8010822
80041801
TDH39 telephone 10R Shielded
New no. 8010865
With cushion
80042201
TDH39 Earphone shielded
New no. 8010869
80053101
HB7 black with 2 yokes
New no. 8010945
80044802
DD51 cushion
New no 8010894
80001901
EARtone ABR Earphones 50 ohm
New no. 8010808
80000701
B71 Bone Conductor Complete 30° plug
New no. 8010800
80220501
B71 Bone Conductor only
New no. 8011096
80220701
P3333 Headband for B71
New no. 8011098
Eclipse ABR and OAE Service Manual 9
IA Part Number
Description
80220202
IEC-B11 conductor cable
New no. 8011094
80001001
DT48 A Headset
New no. 8010803
106700101
New no. 8013641
Preamplifier EPA4
Cable connector 500 mm
106700401
New no. 8013644
Preamplifier EPA4
Cable connector 500mm and 50mm
106700201
Preamplifier EPA4 US – without VEMP
New no. 8013642
Cable connector 500mm
106700501
Preamplifier EPA4 US – without VEMP
New no. 8013645
Cable connector 500mm and 50mm
106700301
Preamplifier EPA3 Cable collector 500 mm
New no. 8013643
80451502
Accessory kit EP15
New no. 8011376
80451402
Accessory kit EP25
New no. 8011375
82416801
TM Electrode Starter Kit
New no. 8013209
Eclipse ABR and OAE Service Manual 10
IA Part Number
Description
80428401
ETU universal electrode cable kit
New no. 8011344
80428601
ETR Electrode cable reusable kit
New no. 8011345
80428801
ETB standard electrode cable kit
New no. 8011346
80428201
ETT Electrode cable kit
New no. 8011343
80429201
ETS Electrode spring kit
New no. 8011349
80429501
ETSE Tap surface electrode kit
New no. 8011352
New no.8500410
Pinch clip cables
80311101
OAE Probe complete
New no. 8011175
82418601
Optical USB 1.1 isolation MED
New no. 8013227
80470101
Mains cable E/F Smart plug
New no. 8011384
80470301
Mains cable B North America 2.5m
New no. 8011386
Smart plug Transparent
Mains cables country specific
Mains cables country specific
804700xx New no. 8011383
DK
804702xx New no. 8011385
UK
80470401 New no. 8011387
IT
Eclipse ABR and OAE Service Manual 11
IA Part Number
Description
804705xx New no. 8011388
AU
804706xx New no. 8011389
CH
804707xx New no. 8011390
AR
804718xx New no. 8011401
BR
80407702
Cable USB 2m
New no. 8011241
80408901
LBK15 loop Back Interacoustic
New no. 8011252
Consumables
IA Part Number
Description
81402104
Assortment box BET 25
New no. 8012838
TEOAE/DPOAE
Including probe cleaning tool
81402402
Assortment box BET 60
New no. 8012841
SPL AUD
80429101
Probe cleaning tool
New no 8011348
Assembled / open
341357xx
New no 8002028
341358xx
New no 8002029
34135901
New no 8002030
Eartip flanged 3-5mm red
Eartip flanged 4-7mm blue
Eartip flanged 5-8mm yellow
341347xx
New no 8002018
Eartip 7mm mushroom blue
341348xx
New no 8002019
Eartip 8mm mushroom yellow
341349xx
New no 8002020
Eartip 9mm mushroom green
Eclipse ABR and OAE Service Manual 12
IA Part Number
Description
341350xx
New no 8002021
Eartip 10mm mushroom red
341351xx
New no 8002022
Eartip 11mm mushroom blue
341352xx
New no 8002023
Eartip 12mm mushroom yellow
341353xx
New no 8002024
Eartip 13mm mushroom green
341354xx
New no 8002025
Eartip 14mm mushroom red
341355xx
Eartip 15mm mushroom blue
New no 8002026
341356xx
New no 8002027
Eartip 19mm mushroom yellow
81426201
Probe tip kit OAE Ø3,3 8 pcs
New no. 8012960
For OAE Probe
80452101
Accessory kit TEOAE25/DPOAE20 containing:
New no. 8011380
81402104 Assortment box BET 25
81426201 Probe tip kit OAE
Sanibel no. 850090
Standard insert foam tips 3A
Medium yellow 50 pcs
Sanibel box of 750
pcs. No. 8500120
Sanibel no. 8500110
Pediatric insert foam tips 3B
Small beige 50 pcs
Sanibel box of 750
pcs. No. 8500130
Sanibel no. 8500100
Jumbo insert foam tips 3C
Large yellow 24 pcs
81402001
TTE25 Tip Trode Electrode
New no. 8012837
Eclipse ABR and OAE Service Manual 13
IA Part Number
Description
Sanibel 8500440
Gold Tip Trode, 10mm
80495801
Disposable tap electrodes 36 pcs
Sanibel no 8011491
ETSE electrode
80495901
Disposable snap electrodes 36 pcs
Sanibel no 8011492
ETB electrode
Sanibel no. 80495601 TM Electrode for ECochG
Box of 10 pcs.
81402701
Infant ear tips INE 3,5mm
Bag of 10 pcs.
New no. 8012843
81402801
Infant ear tips INE 4,0mm
Bag of 10 pcs.
New no. 8012844
Sanibel no.8500140
Tube nipples for Eartone 3A
81400301
SPG15 Skin Preparation Gel
Sanibel no 8500010
Sanibel: NuPrep gel 4oz/114g tube
81400501
Sonavelle ® Electrode Gel
*not for US
Sanibel no 8500380
Sanibel: Sonavelle gel
81400801
Alcohol Pads 100 pcs.
Sanibel no 8500050
Sanibel: Alcohol pads
Eclipse ABR and OAE Service Manual 14
IA Part Number
Description
34815301
Gauze swabs 8 layer 75x75mm
Package of 100 pcs.
Sanibel no 8500040
Sanibel: Gauze swabs
81400201
PEG15 Electrode Pads
Sanibel no 8500060
Sanibel: Pregel foam snap elec (PEG15)
81400401
Ten-20 Electrode Gel
Sanibel no 8500070
Sanibel: Ten-20 Electrode paste
Eclipse ABR and OAE Service Manual 15
Spare Parts
Position
Part index
IA Part number.
Description
36308101
Potentiometer
8
Power supply 60W
16
73907701
Power switch 1858.1103
23
New no. 8009908
Switch 10A ON-NONE-OFF
75102301
8 pol DIN connector
25
PCA Main board 1101
28
PCA Advanced switch board
29
3 pol power inlet
52
3 pin stereo jack connector
55
6 pin stereo jack connector
56
New no. 8003653
50001803
New no. 8006026
New no. 8010093
51004312
New no. 8006145
51005304
New no. 8006157
75831901
New no. 8010383
75000301
New no. 8010036
75000401
New no. 8010037
Eclipse ABR and OAE Service Manual 16
Schematics
ERA Board Block Diagram
ERA
Main
ERA Board
Board block
block diagram
diagram
Reset
Reset (pc7)
(pc7)
Talk
TalkForward
Forward
Right
Right
MP6
MP6
MP2
MP2
120
120dB
dB
dynamic
dynamic
Attenuator
Attenuator
CH1
CH1
FL0
FL0
FL2
FL2FL1
FL1FL0
FL0
Left
Leftinin
DSP
DSP22
ADSP2188
ADSP2188
Right
Rightinin
Audio
Audio
Codec
Codec
PCM
PCM3001
3001
Sport
Sport00
Sport
Sport11
clk
clk
pc1
pc1
FL1
FL1
Extend
Extend
ranges
ranges
+20
+20dB
dB
CH1
CH1
20
20dB
dBFix
Fix
Attenuator
Attenuator
CH1
CH1
Output
Output
switch
switch
CH1
CH1
pa0-6
pa0-6
MP5
MP5
MP3
MP3
120
120dB
dB
dynamic
dynamic
Attenuator
Attenuator
CH2
CH2
Bone
Bone
FL2
FL2
Extend
Extend
ranges
ranges
+20
+20dB
dB
CH2
CH2
20
20dB
dBFix
Fix
Attenuator
Attenuator
CH2
CH2
Output
Output
switch
switch
CH2
CH2
pb0-6
pb0-6
AUX
AUX
Out
Out
SP1
SP1
Dual
Dual
DAC
DAC
AD
AD7249
7249
30kHz
30kHz
Sample
Sample
Left
Left
SP2
SP2
To
ToEclipse
Eclipse
instrument
instrument
Switch
Switch
board
board
15,36
15,36
MHz
MHz
pa7
pa7
DSP1
DSP1-DSP
-DSP22Control
Control
pb7
pb7
pc3
pc3
To
ToEclipse
Eclipse
instrument
instrument
Switch
Switch
board
board
USB_B
USB_B
Address
Address
Data
DataBus
Bus
Host
HostData
DataBus
Bus
Infineon
Infineon
C165
C165UTAH
UTAH
MP10
MP10
CO1.1
CO1.1
Left_input
Left_input
Left
Left
Filter
FilterBank
Bank
Left
Left
Input
InputAtt.
Att.
To
ToEclipse
Eclipse
instrument
instrument
Switch
Switchboard
board
CO1.2
CO1.2
Right_input
Right_input
clk
clk
pc4-6
pc4-6
MP13
MP13
Right
Right
Filter
FilterBank
Bank
Host
HostAddress
Address
Bus
Bus
pc2
pc2
ADC
Sport
ADC
Sport00
AD
AD1877
1877
Trigger
TriggerOut
Out
DSP1
DSP1
ADSP2188
ADSP2188
Trigger
TriggerInIn
Right
Right
Input
InputAtt.
Att.
FLASH
FLASH
11/ /88MB
MB
RAM
RAM
256K
256K/ /1MB
1MB
DSP1
DSP1FL0-2
FL0-2
Project
ProjectName
Name
Document
DocumentName
Name
Author
Author
Current
Currentrevision
revision
Revision
Revisiondate
date
File
FileLocation
Location
ERA
ERABoard
BoardPlatform
Platform
ERA
ERABoard
BoardBlock
Blockdiagram
diagram
IbIbPedersen
Pedersen
1.0
1.0
2005/08/25
2005/08/25
C:\Project\ERA
C:\Project\ERAPlatform
PlatformLine\Hardware\
Line\Hardware\
ERA
ERAPlatform\Design
Platform\DesignHistory
HistoryFiles\Design
Files\Design
and
andImplementation\PCB
Implementation\PCBDesign
Design
Eclipse ABR and OAE Service Manual 17
Main Board Component Index Potentiometers and Measuring Points location
D01009002
Eclipse ABR and OAE Service Manual 18
Trigger Out
400Hz Mic. gain
30dB
0dB
Probe for OAE
Probe Mic
4 orden 12KHz
lowpassfilter
40dB
2 orden 350Hz
highpassfilter
2 orden 450Hz
highpassfilter
MP7
Echo Out
MP6
Sp1
100Hz Mic. gain
Stimulus out 400Hz
From DSP board
MP2
Sp2
4 orden 100Hz
highpassfilter
Talk Back
Stimulus out 100Hz
Monitor
Gain adj
L-V ISO Amp.
MP4
Left_in on DSP Board
L-V
+5V
ISO +12V
ISO GNG
ERA
Pre. amp.
Socket
1.5W DC/DC
Input select
ISO -12V
MP1
Gain adj
R-V
GND
VEMP
Right_in on DSP Board
R-V ISO Amp.
GND
Pa7
pc3
Pb7
MP5
Date
Constr.
GND
Revision Title
Constr.
101108
Appr.
PSC
-
TLL
-
Sheet
1 of 1
Block diagram Switch board Adv. 101
Partno. Drawingno.
NP = Not Present
D02024301
Eclipse ABR and OAE Service Manual 19
Switch Board Component Index
D01000103
Eclipse ABR and OAE Service Manual 20
Assembly – Spare Parts Index
56
55
25
8
16
28
29
23
52
For part numbers see spare part list on page 16
Eclipse ABR and OAE Service Manual 21
Power Supply Description
Power Supply Unit 60W XP p/n ECM60UT31>2449 input 100-240VAC
Interacoustics Production Code 50001803
Input
Output
J1
Connector
J1
J1
Pin
1
2
Signal
Line
Neutral
Cable No./ Wire Colour
14 / Blue
14 / Brown
J2
J2
J2
J2
J2
J2
1
2
3
4
5
6
+5V, 2,5A
+5V, 2,5A
GND
GND
-12V, 1A
+12V, 3A
9 / Yellow
9./ Orange
9 / Black
9 / Black
NC
9 / Red
J2
Eclipse ABR and OAE Service Manual 22
Electrical Assembling
Instrument Sketch
I06001705
Note!
Cable 5 wires
must be held together with
cable binder. See picture on page 2
Details for rear panel assembling see drawing I060018xx
Power switch
Power inlet Cable 10
BLU
Cable 10
Cable 5
1
CO3
CO10
CO5
Cable 12
Connected to Top profile
BLK
Cable 1
CO4
Cable 2
Bottom
BRN
BLU
Cable 5 to DIN (Preamplifier)
YEL
CO13
CO2
BLU
Power Supply PCA Cable 14
IC1
RED
BRN
5
GRN
3
7
2
8
4
ORG
1
6
BLU
Cable 13
BLU
CO6
1
CO7
GRN
YEL
ORG
RED
BRN
V1
CO8
1
RED
WHT
CO11
BLK
Cable 8
RED
Cable 3
RED
BRN
CO2
ORG
BLK
BLK
RED
CO12
1
BRN
CO5
Cable 9
1
Cable 6
CO4
BRN
BRN
Cable 2
Cable 14 to bottom tags
Cable 11
VIO
Top
BLU
Sign.1
YEL/GRN
Sign.2
Pat Resp
ODU
PCB
Talk Back
SW
CO9
CO8
CO7
CO3
CO6
BRN
1
CO1
Cable 9
Cable 16
Wires for LED are fixed
to solder tag and rotary knob
with cable binder
Note! 6 cable binders are
mounted as close as possible
Eclipse ABR and OAE Service Manual 23
Rear panel – DIN connector
Strip wires tight
Eclipse ABR and OAE Service Manual 24
Rear Panel Connections
Top
Talk Back
Cable 7
Cable 15
Plug
Power inlet Cable 10
Top
BLU
BRN
2
Cable 17+
Cable 19
Cable 18
Bottom
BRN
BLU
Power supply PCA cable 14
VIO
Pat.Resp.
BLUE
Signal 1 (RED)
Signal 2 (BLUE)
Power switch
Cable 5
Talk Forw.
Talk Back
5
36
Bottom
Switch board adv. CO8
Jumper
SW
Signal 1 (RED)
Signal 2 (BLUE)
Cable 15
2x Signal 1 (RED)
2x SW
Trigger In/out
2x Signal 2 (BLUE)
Cable 17 + Cable 18
Signal (Blue)
Talk Forw.
SW
Cable 5
DIN socket (Preampl.)
YEL
RED
BRN
5
GRN
3
7
2
8
4
1
6
Mainboard CO5
BLU
VIO
BLUE
Jumper
Mainboard CO2
SW
Cable 17
Cable 7
Signal 2 (BLUE)
SW
Signal 1 (RED)
Signal (Blue)
Cable 19
SW
Signal (BLUE)
Cable 18
Connectors View from soldering side
Switch board adv. CO5
Date
Constr./
Draft
Construction
06.11.03
BLC
EN
Revision
21.10.08
BLC
TLL
Title
Appr.
Sheet
1 of 1
Scale
1:1
A3
ECO:
2008-0182
Eclipse Instrument rear panel
Assembly wires and cables
Part no.
9101
Drawing no.
I06001803
QM0100401 - A4 landscape instruction, 15.03.06/SJ
Eclipse ABR and OAE Service Manual 25
Offset detect
L
0dB
Right
0dB
0dB
Amplifier / Impedance switch
Vertex
HF input filter & Clamp circuit
Diff Amp
30dB
DRL
5KHz LP
Filter
Left out
Left
V
R
30dB
180º
Add
Diff Amp
30dB
Signal switch
Left
Square wawe gen.
5KHz LP
Filter
Right out
Right
Gain select
30dB / 50dB
Impedance
measurement circuit
Date
Constr.
Appr.
101108
PSC
TLL
Sheet
Revision 220909
PSC
TLL
1 of 1
Constr.
Title
Block Diagram Preamplifier 067
Partno. Drawingno.
NP = Not Present
D02024202
Eclipse ABR and OAE Service Manual 26
OAE Probe Complete
Item no see accessories list page 9
Disassembling the connector
Cable Connections
pin6 YEL
pin1 RED
pin2 BLU
pin5 BLK
pin3 SW
pin7 GRN
pin4 WHT
OAE Cable
length 3m
Eclipse ABR and OAE Service Manual 27
Calibration Procedure
Service, adjustment and repair
This instrument can be serviced, adjusted and repaired without loosening the validity of the CE-marking provided
the measuring equipment used is fulfilling the demands below, the adjustment procedures are followed and the
personnel is having the necessary qualifications approved by Interacoustics.
Equipment for adjustment
In order to assure correct calibration of the audiometric equipment, it is important that the necessary measuring
equipment is present and that it is reliable and stable.
Minimum requirements for measuring equipment:
Measuring amplifier with input for condenser microphone or a sound level meter, fulfilling the demands of IEC 651
Type 1.
Acoustical coupler according to IEC60318-4 (IEC 711) Occluded ear simulator, IEC60318-1 artificial ear,
IEC60318-6 artificial mastoid . Alternatively a 2cc coupler or 6ccm can be used, provided that it fulfils the demands
of IEC 60318-5 (IEC 126) or IEC60318-3 (IEC303) and that the corresponding corrections are applied.
Furthermore it is recommended to have an acoustic calibrator for the control of the complete measuring chain.
General purpose frequency counter.
General purpose digital multimeter.
General purpose signal generator.
General purpose oscilloscope
Audio spectrum analyzer or distortion meter
Hardware Calibration
There are 2 print boards to be calibrated. The Advanced Switch Board and the ERA Board,
Switch off the main power and dismount the Top profile. Switch on power.
The calibration is separated in parts: the EPx5, TEOEAE 25, DPOAE 20, ASSR part.
There are four different software modules to this hardware and some of the calibrations are identical for the
different modules, it is not necessary to calibrate the same hardware part more than one time.
Eclipse ABR and OAE Service Manual 28
EPx5/ABRIS Calibration
Switch on power and activated the one of follow calibration program.
The calibration program for the four different software modules can be found on the following paths:
The EPx5 Version 4.xx Calibration program can be found in “C:\Program Files\Interacoustics\Eclipse\EPx5
4.00\EPx5 Calibration.exe”
Activate the icon for the desired Calibration Application and type in the password if necessary.
Stimuli Attenuator Calibration.
The Tab called Stimuli attenuator, uses to calibrated to output attenuator.
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Calibration of the Attenuator in Channel 1.
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 1 is selected in “Channel to calibrate” area on the display.
Dynamic Attenuator 0 dB
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP6.
2. Adjust P6 to minimum Total Harmonic Distortion.
3. Adjust P3 until the AC voltmeter shows 5.3VRMS (+14.5 dBV) ± 0.1 dB.
4. Press the – 60-dB button in the “Dynamic Attenuator” section.
Dynamic Attenuator -60 dB
1. Adjust the P2 until the AC voltmeter shows 5.3mVRMS (-45.5 dBV) ± 0.1 dB.
2. Press the – 120 dB key in the “Dynamic Attenuator” section.
Eclipse ABR and OAE Service Manual 29
Dynamic Attenuator -120 dB
Notice: This Point can only be performed by using an AC voltmeter with 1000 Hz band pass filter or a
spectrum analyzer.
1. Move the slider in the bottom of the “Dynamic Attenuator” section until the AC voltmeter or spectrum
analyzer shows 5.3µVRMS (-105.5 dBV) ± 0.5 dB.
2. Select the 0 dB button in the “Dynamic Attenuator” section and scroll down to “Fix attenuator test”
section.
Control of the fixed Attenuator steps in the Attenuator Channel 1.
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP6.
2. Selected the -5 dB button in the “Fixed Attenuator” section.
Fix Attenuator -5 dB
1. Verify that the AC voltmeter shows 2.99VRMS (9.5 dBV) ± 0.5 dB.
2. Select the -10 dB button in the “Fixed attenuator” section.
Fix Attenuator -10 dB
1. Verify that the AC voltmeter shows 1.68VRMS (4.5 dBV) ± 0.5 dB.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Verify that the AC voltmeter shows 944 mVRMS (-0.5 dBV) ± 0.5 dB.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Verify that the AC voltmeter shows 531 mVRMS (-5.5 dBV) ± 0.5 dB.
2. Select the Channel 2 button in the “Channel to calibrate” section.
Calibration of Attenuator in Channel 2.
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Verify Channel 2 is selected in “Channel to calibrate” area on the display.
Eclipse ABR and OAE Service Manual 30
Dynamic Attenuator 0 dB
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP5.
2. Adjust P5 to minimum THD.
3. Adjust P4 until the AC voltmeter shows 5.3VRMS (+14.5 dBV) ± 0.1 dB.
4. Press the – 60-dB key in the “Dynamic Attenuator” section.
Dynamic Attenuator -60 dB
1. Adjust the P1 until the AC voltmeter shows 5.3mVRMS (-45.5 dBV) ± 0.1 dB.
2. Press the – 120 dB key in the “Dynamic Attenuator area” section.
Dynamic Attenuator 120 dB
Notice: This Point can only be performed by using an AC voltmeter with 1000 Hz band pass filter or a
spectrum analyzer.
1. Move the slider in the bottom of the “Dynamic Attenuator” section until the AC voltmeter or spectrum
analyzer shows 5.3µVRMS (-105.5 dBV) ± 0.5 dB.
2. Select the 0 dB button in the “Dynamic Attenuator” section and scroll down to Fix attenuator test section.
Control of the fixed Attenuator steps in the Attenuator Channel 2.
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP5.
2. Selected the -5 dB buttom in the “Fixed Attenuator” section.
Fix Attenuator -5 dB
1. Verify that the AC voltmeter shows 2.99VRMS (9.5 dBV) ± 0.5 dB.
2. Select the -10 dB button in the “Fixed attenuator” section.
Fix Attenuator -10 dB
1. Verify that the AC voltmeter shows 1.68VRMS (4.5 dBV) ± 0.5 dB.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Verify that the AC voltmeter shows 944 mVRMS (-0.5 dBV) ± 0.5 dB.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Verify that the AC voltmeter shows 531 mVRMS (-5.5 dBV) ± 0.5 dB.
Eclipse ABR and OAE Service Manual 31
EPx5 Input section
Select the EPx5 calibration program and select the Input Attenuator tab.
All the measurements and adjustments are made on the Switch Board board.
All the measure point’s (MP) and potentiometers (P) refers to the Advanced Switch Board Component Index
page 20
All measurements are made with reference to ground MP1.
1. Connect a sine wave generator pre selected to 1000 Hz and 1.00 Volt rms. to the Left-Vertex input pin on the
preamplifier input socket (pin 5) and ground to (pin 2).
2. Adjust P8 until the EPx5 display shows 100 µVolt ± 1µVolt on the left channel in position 80 dB.
3. Connect a sine wave generator pre selected to 1000 Hz 1.00 Volt Rms. to the Right-Vertex input pin on the
preamplifier-input socket (pin 4) and generator ground to (pin 2).
4. Adjust P9 until the EPx5 display shows 100 µVolt ± 1µVolt on the right channel in position 80 dB.
Input Amplifier Control.
104 dB Amplification.
1. Connect a sine wave generator pre-selected to 1000 Hz, 70.7 mV RMS (100mV peak) to the preamplifier
socket with 8 pins, in the Eclipse. Make a short circuit between pin 4 and pin 5, and connect these two pins
to the sine wave signal. The ground of the sine wave generator, shall be connected to preamplifier socket,
pin 2.
2. Verify that the Left and Right input level meter in the bottom of the display shows 0.0 dB ± 0.5dB.
3. Select the 98 dB button in the “Amplification” section.
98 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -6.0 dB ± 0.5 dB.
2. Select the 92 dB button on the “Amplification” section.
92 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -12.0 dB ± 0.5 dB.
2. Select the 86 dB button on the “Amplification” section.
86 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -18.0 dB ± 0.5 dB.
2. Select the 80 dB button on the “Amplification” section.
Eclipse ABR and OAE Service Manual 32
80 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -24.0 dB ± 0.5 dB.
2. Select the 74 dB button on the “Amplification” section.
74 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -30.0 dB ± 0.5 dB.
2. Select the 68 dB button on the “Amplification” section.
68 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -36.0 dB ± 0.5 dB.
2. Select the 62 dB button on the Fixed “Amplification” section.
62 dB Amplification.
1. Verify that the Left and Right input level meter in the bottom of the display shows -42.0 dB ± 0.5 dB.
Control of the input filter.
Select 62 dB amplification in Input Att. tap.
1. Verify the input filter. Keep the same connection of the sine wave generator as during the “Input Att.
Amplification test”.
2. Verify that the left and right level meter in the bottom of the display shows -42dB ± 0.5dB.
3. Change the sine wave generator frequency to the selected filter frequency.
4. Verify that the left and right input level meter in the bottom of the display shows –45dB ± 2dB.
5. Repeat point 3  4 for all 8 filter.
6. Connect an EPA preamplifier model, to the 8-pin connector on the Eclipse, with a VEMP -20dB push button
supplied.
7. Connect the EPA preamplifier via the EPA4 cable adaptor to the LBK15 loop back box.
8. Connect the 6.3mm jack plug on the LBK15 to a sine wave generator pre-selected to 1000Hz 70.7mV RMS
(100mVp).
9. When done, select “Turn VEMP mode on, in Preamp”.
1. Verify that the Left and Right input level meter in the bottom of the display shows -20 dB ±0.5 dB, and that
the blue -20 dB LED will turn on, on the preamplifier.
Eclipse ABR and OAE Service Manual 33
EPx5 Stimuli Level
Activate the EPx5 calibration program and select the Stimuli Level tab (Click Tradit, WN, TF, Monitor Tone).
Calibration of the stimulus level is done in peak-to-peak equivalent sound pressure peSPL or vibratory force level
peVFL, see figure.
peak-peak
Select Right/Left ABR3A for calibration
1. Connect the EAR ABR 3A insert phone to the Occluded ear simulator, which is connected to a sound level
meter (SLM), and an oscilloscope.
2. Adjust the slider for an output in the coupler corresponding to 100 dB SPL on the SLM. Note the peak-peak
voltage V1 on the oscilloscope display.
3. Select the Click Traditional button in the “Stimuli type” section.
ABR3A Click Traditional
1. Adjust the slider until the oscilloscope shows the same peak-peak voltage as the noted V1.
2. Select the White noise button (WN) in the “Stimulus type” section.
ABR3A WN
1. Adjust the slider for an output in the coupler corresponding to 100 dB SPL on the SLM.
2. Select the Talk Forward in the Stimulus type” section.
ABR3A Talk Forward
1. Connect a Talk Forward microphone and talk at normal level in the microphone and adjust the slider for an
output in the coupler corresponding to 100 dB SPL on the SLM.
2. Select the Monitor Tone in the “Stimulus type” section.
Eclipse ABR and OAE Service Manual 34
ABR3A Monitor Tone
1. Adjust the slider for an output in the coupler corresponding to 100 dB SPL on the SLM.
2. Select the next transducer that needs to be calibrated.
Select Right/Left TDH 39 for calibration.
1. Connect the TDH 39 phone to the artificial ear, which is connected to a sound level meter (SLM), and an
oscilloscope.
2. Adjust the slider for an output in the artificial ear corresponding to 100 dB SPL on the SLM. Note the peakpeak voltage V1 on the oscilloscope display.
TDH 39 Click Traditional
1. Adjust the slider until the oscilloscope shows the same peak-peak voltage as the noted V1.
2. Select the White noise button (WN) in the “Stimulus type” section.
TDH 39 WN
1. Adjust the slider for an output in the artificial ear corresponding to 100 dB SPL on the SLM.
2. Select the Talk Forward in the Stimulus type” section.
TDH 39 Talk Forward
1. Connect a Talk Forward microphone and talk at normal level in the microphone and adjust the slider for an
output in the artificial ear corresponding to 100 dB SPL on the SLM.
2. Select the Monitor Tone in the “Stimulus type” section.
TDH 39 Monitor Tone
1. Adjust the slider for an output in the artificial ear corresponding to 100 dB SPL on the SLM.
2. Select the next transducer that needs to be calibrated.
Select Bone for calibration.
1. Connect the Bone conductor to the artificial mastoid, which is connected to a sound level meter (SLM), and
an oscilloscope.
2. Adjust the slider for an output in the artificial mastoid corresponding to 80 dB VFL on the SLM. Note the
peak-peak voltage V1 on the oscilloscope display.
Bone Click Traditional
1. Adjust the slider until the oscilloscope shows the same peak-peak voltage as the noted V1.
2. Select the White noise button (WN) in the “Stimulus type” section.
Bone WN
1. Adjust the slider for an output in the artificial mastoid corresponding to 80 dB VFL on the SLM.
2. Select the Talk Forward in the Stimulus type” section.
Bone Talk Forward
1. Connect a Talk Forward microphone and talk at normal level in the microphone and adjust the slider for an
output in the artificial mastoid corresponding to 80 dB VFL on the SLM.
2. Select the Monitor Tone in the “Stimulus type” section.
Bone Monitor Tone
1. Adjust the slider for an output in the artificial mastoid corresponding to 80 dB VFL on the SLM.
2. Select the next transducer that needs to be calibrated.
Eclipse ABR and OAE Service Manual 35
EPx5 Tone burst, Click, Chirp & NB Chirp calibration
Select the Tone burst, Click, Chirp &NB Chirp tab in the EPx5 Calibration program.
Calibration of the stimulus level is done in peak-to-peak equivalent sound pressure peSPL or vibratory force level
peVFL. It’s also possible to set the distance between pe SPL and nHL for the selected Tone Burst.
Tone Ref.
1kHz ref signal
Example on the acoustics measure signal on a EAR ABR 3A insert phone
“TDH 39 phone to the artificial ear”
“Bone conductor to the artificial mastoid”
1. Connect the “EAR ABR 3A insert phone to the Occluded ear simulator”, which is connected to a sound
level meter (SLM), and an oscilloscope.
2. Select the frequency that needs to be calibrated.
“artificial ear corresponding to 100 dB SPL”
“mastoid corresponding to 80 dB VFL”
3. Adjust the slider for an output in the “coupler corresponding to 100 dB SPL” on the SLM. Note the peakpeak voltage V2 on the oscilloscope display.
4. Select Burst in the “Stimuli” section, and “Level (peSPL)” to 100 dB.
Burst
500Hz
1000Hz
2000Hz
4000Hz
Example on the acoustics measure signal on a EAR ABR 3A insert phone
1. Verify that the same frequency is selected as during “Tone ref.” calibration before starting the calibration of
the Tone Burst.
2. Adjust the slider until the oscilloscope shows the same peak-peak value as V2 from Tone Ref calibration.
3. If the current frequency for the calibration is 500, 1000, 2000 or 4000 Hz, select NB CE-Chirp® in the
“Stimuli” section – otherwise select “Tone Ref” again.
Eclipse ABR and OAE Service Manual 36
NB CE-Chirp®
500Hz
1000Hz
2000Hz
4000Hz
Example on the acoustics measure signal on a EAR ABR 3A insert phone
1. Verify that the same frequency is selected as under Tone ref. calibrations before starting to calibrate the
NB CE-Chirp.
2. Adjust the slider until the oscilloscope shows the same peak-peak value as V2 from Tone Ref calibration.
3. If the current frequency for the calibration is 1000 Hz, select Click 200Hz-10kHz in the “Stimuli” section –
otherwise select “Tone Ref.” again.
Click 200Hz-10kHz
Click 200Hz-10kHz
Example on the acoustics measure signal on a EAR ABR 3A insert phone
1. This calibration expects that the Tone ref. at 1000Hz is calibrated.
2. Adjust the slider until the oscilloscope shows the same peak-peak value as V2 from Tone Ref when
calibrated at 1000Hz.
3. Select CE-Chirp® in the “Stimuli” section.
CE-Chirp®
CE-Chirp
Example on the acoustics measure signal on a EAR ABR 3A insert phone
1. This calibration expects that the Tone ref. at 1000Hz is calibrated.
2. Adjust the slider until the oscilloscope shows the same peak-peak value as V2 from Tone Ref when
calibrated at 1000Hz.
3. Select Tone Ref. in “Stimuli” section.
peSPL  nHL
Important this section is only to uses if you wanted to find special peRETSPL or changes Interacoustics standard
value see General Technical specifications section survey of reference and max hearing level.
In this section uses to find you own peRETSPL or adjust the peRETSPL value to standard value for the different
stimulus type Burst, NB CE-Chirp®, Click 200Hz-10kHz, CE-Chirp® and depending of test type.
Important if there changes on the peRETSPL that will changes stimulus level for measuring in nHL dB and give
other latency time for the measuring.
Eclipse ABR and OAE Service Manual 37
The standardized calibration values (ISO 389-6 2007) for the TDH 39, ER-3A and B-71 transducers are given in
Table I. The values for the interleaved frequencies 750, 1500 and 3000 Hz and the proposed tone burst BC-values
(shown in italics) are estimated.
Click
TDH 39
ER-3A
B-71
100 µs
200-10kHz
31.0
Tone bursts (2-1-2) repetition rate 20 Hz
500 Hz
750 Hz
1000 Hz
1500 Hz
2000 Hz
3000 Hz
4000 Hz
23.0
19.0
18.5
21.0
25.0
27.0
27.5
35.5
23.5
21.0
21.5
26.0
28.5
30.0
32.5
51.5
69.5
61.0
56.0
51.5
47.5
46.0
52.0
Table I Reference calibration values in dB peSPL and dB peVFL
A test report by PTB (Fedtke & Hensel, 2008) recommends peRETSPL values for the ER-3A to be used to
calibrate the broad-band chirp and the four frequency specific chirps (NB-chirps) by Interacoustics 2. The
corresponding values for the TDH 39 are estimated, and interim BC-values for the B-71 are estimated.
A final set of calibration values for the TDH 39, ER-3A and B-71 transducers are proposed in Table II.
NB-chirps repetition rate 20 Hz
Chirp
TDH 39
ER-3A
B-71
27.5
32.0
500 Hz
26.0
26.5
1000 Hz
21.5
24.5
2000 Hz
27.0
30.5
4000 Hz
30.0
35.0
51.5
75.0
61.5
50.0
55.5
Table II Reference calibration values in dB peSPL and dB peVFL
Burst 0dB
1. This function is used to find the peRETSPL (peSPL  nHL) correction figure for the Transducer selected
Tone Burst frequency. There is only one stored correction figure per frequency.
2. Select the “Measure type” and “Transducer type” for which the peRETSPL correction figure is sought.
3. Select the desired “Tone Burst” frequency, Sine waves, Window, Rise/Fall,Plateau and Stimuli frequency.
4. Let a person with normal hearing listen to the output transducer, in a suitably quiet test environment.
5. Adjust the slider until the threshold is found.
6. Select the next “Tone Burst” frequency and repeat point 3-6 until all peRETSPL for all frequencies are
found.
7. Select the next measure type or/and the next stimuli type for which the peRETSPL correction figure is
required.
2
For NB-chirp calibration it is recommended that the pure tone frequency corresponds to the center frequency of
the NB-chirp.
Eclipse ABR and OAE Service Manual 38
NB CE-Chirp® 0dB
1. This function is used to find the peRETSPL (peSPL  nHL) correction figure for the Transducer selected
NB Chirp® frequency. There is only one stored correction figure per frequency.
2. Select the “Measure type” and “Transducer type” for which the peRETSPL correction figure is sought.
3. Select the desired “Tone Burst” frequency 500-1000-2000-4000Hz.
4. Let a person with normal hearing listen to the output transducer, in a suitably quiet test environment.
5. Adjust the slider until the threshold is found.
6. Select the next Tone Burst frequency and repeat point 3-6 until all peRETSPL for all frequencies are found.
7. Select the next measure type or/and the next stimuli type for which the peRETSPL correction figure is
required.
Click 200Hz-10kHz 0 dB
1. This function is used to find the peRETSPL (peSPL  nHL) correction figure for the Click 200Hz-10kHz.
2. Select the “Measure type” and “Transducer type” for which the peRETSPL correction figure is sought.
3. Let a person with normal hearing listen to the output transducer, in a suitably quiet test environment.
4. Adjust the slider until the threshold is found.
5. Select the next measure type or/and the next stimuli type for which the peRETSPL correction figure is
required.
CE-Chirp® 0 dB
1. This function is used to find the peRETSPL (peSPL  nHL) correction figure r for the CE-Chirp®
2. Select the “Measure type” and “Transducer type” for which the peRETSPL correction figure is sought.
3. Let a person with normal hearing listen to the output transducer, in a suitably quiet test environment.
4. Adjust the slider until the threshold is found.
5. Select the next measure type or/and the next stimuli type for which the peRETSPL correction figure is
required.
Select the Settings Tab
Version info.
There is information about software, firmware and hardware.
Calibration program version nr.
Firmware version nr.
Hardware version nr.
Eclipse ABR and OAE Service Manual 39
Password:
In Settings it’s possible to change/delete the password, import and export calibration.
To change Password:
1.
Type the old password if passwords are select.
2.
Type the new password.
3.
Confirm the new password.
4.
After select OK the new settings will be stored.
Level pefix:
There can select between peSPL and nHL intensity scale in new protocol setup in main program.
Click type:
There can select between Traditional 100 µS or a band limits click as stimulus in new protocol setup in main
program.
Level measure method:
There can select between peak to baseline or peak to trough measuring level main program latency measuring.
Calibration:
The Export – Import feature can be used to backup the calibration value.
TEOAE 25 calibration
Switch on power and activated the one of follow calibration program.
The calibration program for the four different software modules can be found on the following paths:
The TEOAE 25 Calibration can be found in “C:\IABASE2000\TEOAE\TEOAE25 Calibration.exe”
Activate the icon for the desired Calibration Application and type in the password if necessary.
Stimuli Attenuator Calibration.
The Tab called Stimuli attenuator, uses to calibrated to output attenuator.
Stimuli Att. calibration is included in all software modules, it is only necessary to calibrate the stimuli Att. once.
There can be differences in the calibration procedure in the individual software modules. The difference in between
the calibration procedure holds for the normal calibration of tolerances, so the method is applied is optional.
Eclipse ABR and OAE Service Manual 40
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Calibration of the Attenuator in Channel 1.
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 1 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the TEOAE calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP6.
2. Adjust P6 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP2 and notice the output V1.
2. Connect the voltmeter to MP6.
3. Adjust P3 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V1. Notice the output V2.
4. Press the – 60-dB button in the dynamic attenuator area.
Dynamic Attenuator -60 dB
1. Adjust the P2 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V2.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Dynamic Attenuator -120 dB
Notice: This Point can only be done using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V2.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 1.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP6 and notice the Output V3.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V3.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V3.
2. Select the -15 dB button in the “Fixed attenuator” section.
Eclipse ABR and OAE Service Manual 41
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V3.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V3.
2. Select the Channel 2 button in the “Channel to calibrate” area.
Calibration of Attenuator in Channel 2.
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 1 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the TEOAE calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP5.
2. Adjust P5 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP3 and notice the output V4.
2. Connect the voltmeter to MP5.
3. Adjust P4 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V4. Notice the output V5.
4. Press the – 60-dB button in the dynamic attenuator area.
Dynamic Attenuator -60 dB
1. Adjust the P1 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V5.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Eclipse ABR and OAE Service Manual 42
Dynamic Attenuator -120 dB
Notice: This Point can only be performed by using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V5.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 2.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP5 and notice the Output V6.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V6.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V6.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V6.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V6.
OAE input amplifier.
Select the Input Attenuator tab in the Calibration program and activate the 400 Hz filter.
All the measurements and adjustments are made on the Advanced Switch Board “In TEOAE Software call OAE
preamplifier board”. All the measure points’ (MP) and potentiometers (P) refers to the Advanced Switch Board
Component Index page 20.
All measurements are made with reference to ground MP1.
Eclipse ABR and OAE Service Manual 43
400Hz filter
1. Connect the OAP probe to the artificial ear (IEC711).
2. Adjust the Test signal level slider until the sound level meter show 94 dB SPL.
3. Adjust the P6 on the OAE preamplifier board, until the stimulus RMS level meter show 94,0 dB SPL (1.00
Pa).
4. Control the Stimulus peak level meter show 97,0 dB ± 0.25 dB
5. Control the Echo peak level meter show 97,0 dB 0  + 0.5 dB
6. Control the Echo RMS level meter show 94,0 dB 0  + 0,5 dB
7. Select the input filter to 100 Hz.
Activate the 100Hz filter
1. Adjust the P5 on the OAE preamplifier board, until the stimulus RMS level meter show 94,0 dB SPL
(1.00 Pa).
2. Control the Stimulus peak level meter show 97,0 dB ± 0.25 dB
3. Control the Echo peak level meter show 97,0 dB 0  + 0.5 dB
4. Control the Echo RMS level meter show 94,0 dB 0  + 0,5 dB
5. Select Offset button.
Activate the Offset
1. Disconnect the OAP probe from the socket.
2. Connect a DC millivoltmeter to MP7 with reference to GND MP1.
3. Adjust P7 until DC millivoltmeter show 0,0 mV
TEOAE stimuli calibration.
Select the stimuli Level to make this part of calibration.
Calibration of stimulus level is done in peak equivalent sound pressure peSPL
Eclipse ABR and OAE Service Manual 44
Peak
1. Connect the OAE probe to the artifical ear, which connected to a sound level meter (SLM).
2. Selected 1 kHz click ref button.
3. Adjust the slider until the SLM show 80 dB SPL.
4. Connected an oscilloscope to the output of the SLM, and notice the peak value V1.
5. Selected the click button and control the linear button is select.
6. Adjust the slider until the oscilloscope peak value is the same as V1.
7. Selected SP2 and repeat point 26.
Select the Settings Tab
Setting is identical for all 4 software modules.
In Settings it’s possible to change/delete the password, import and export calibration.
To change Password:
1.
Type the old password if passwords are select.
2.
Type the new password.
3.
Confirm the new password.
4.
After select OK the new settings will be stored.
The Export – Import feature can be used to backup the calibration value.
Eclipse ABR and OAE Service Manual 45
DPOAE 20 calibration.
Switch on power and activated the one of follow calibration program.
The calibration program for the four different software modules can be found on the following paths:
The DPOAE 20 Calibration can be found in “C:\IABASE2000\DPOAE\Calibration\DPOAE20 Calibration.exe”
Activate the icon for the desired Calibration Application and type in the password if necessary.
Stimuli Attenuator Calibration.
The Tab called Stimuli attenuator, uses to calibrated to output attenuator.
Stimuli Att. calibration is included in all software modules, it is only necessary to calibrate the stimuli Att. once.
There can be differences in the calibration procedure in the individual software modules. The difference in between
the calibration procedure holds for the normal calibration of tolerances, so the method is applied is optional.
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Calibration of the Attenuator in Channel 1.
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 1 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the DPOAE calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP6.
2. Adjust P6 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP2 and notice the output V1.
2. Connect the voltmeter to MP6.
3. Adjust P3 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V1. Notice the output V2.
4. Press the – 60-dB button in the dynamic attenuator area.
Eclipse ABR and OAE Service Manual 46
Dynamic Attenuator -60 dB
1. Adjust the P2 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V2.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Dynamic Attenuator -120 dB
Notice: This Point can only be done using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V2.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 1.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP6 and notice the Output V3.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V3.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V3.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V3.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V3.
2. Select the Channel 2 button in the “Channel to calibrate” area.
Eclipse ABR and OAE Service Manual 47
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 2 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the DPOAE calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP5.
2. Adjust P5 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP3 and notice the output V4.
2. Connect the voltmeter to MP5.
3. Adjust P4 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V4. Notice the output V5.
4. Press the – 60-dB button in the dynamic attenuator area.
Dynamic Attenuator -60 dB
1. Adjust the P1 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V5.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Dynamic Attenuator -120 dB
Notice: This Point can only be performed by using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V5.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 2.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP5 and notice the Output V6.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V6.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V6.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V6.
2. Select the -20 dB button in the “Fixed attenuator” section.
Eclipse ABR and OAE Service Manual 48
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V6.
OAE input amplifier.
Select the Input Attenuator tab in the Calibration program and activate the 400 Hz filter.
All the measurements and adjustments are made on the Advanced Switch Board “In TEOAE Software call OAE
preamplifier board”. All the measure points’ (MP) and potentiometers (P) refers to the Advanced Switch Board
Component Index page 20.
All measurements are made with reference to ground MP1.
400Hz filter
1. Connect the OAP probe to the artificial ear (IEC711).
2. Adjust the Test signal level slider until the sound level meter show 94 dB SPL.
3. Adjust the P6 on the OAE preamplifier board, until the stimulus RMS level meter show 94,0 dB SPL (1.00
Pa).
4. Control the Stimulus peak level meter show 97,0 dB ± 0.25 dB
5. Control the Echo peak level meter show 97,0 dB 0  + 0.5 dB
6. Control the Echo RMS level meter show 94,0 dB 0  + 0,5 dB
7. Select the input filter to 100 Hz.
Activate the 100Hz filter
1. Adjust the P5 on the OAE preamplifier board, until the stimulus RMS level meter show 94,0 dB SPL
(1.0 Pa).
2. Control the Stimulus peak level meter show 97,0 dB ± 0.25 dB
3. Control the Echo peak level meter show 97,0 dB 0  + 0.5 dB
4. Control the Echo RMS level meter show 94,0 dB 0  + 0,5 dB
5. Select Offset button.
Eclipse ABR and OAE Service Manual 49
Activate the Offset
1. Disconnect the OAP probe from the socket.
2. Connect a DC millivoltmeter to MP7 with reference to GND MP1.
3. Adjust P7 until DC millivoltmeter show 0,0 mV
DPOAE20 Microphone frequency response calibration.
Select the DPOAE20 calibration program to make this part of calibration.
Measure the difference between the Ear simulator and the OAE probe microphone frequency response for the
following frequencies: 370, 500, 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000 Hz.
1. Connecte the OAE probe to the artifical ear, which is connected to a sound level meter (SLM):
2. Select a 370 in the list.
Freq. 370Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 500 Hz in the list.
Freq. 500Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 1000 Hz in the list.
Freq. 1000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 2000 Hz in the list.
Freq. 2000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 3000 Hz in the list.
Freq. 3000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 4000 Hz in the list.
Freq. 4000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 5000 Hz in the list.
Eclipse ABR and OAE Service Manual 50
Freq. 5000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 6000 Hz in the list.
Freq. 6000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 7000 Hz in the list.
Freq. 7000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Select 8000 Hz in the list.
Freq. 8000Hz.
1. Adjust SP1 Level Slider until SLM shows 80 dB.
2. Calibration is done.
Select the Settings Tab.
In Settings it’s possible to change/delete the password, import and export calibration.
To change Password:
1.
Type the old password if passwords are select.
2.
Type the new password.
3.
Confirm the new password.
4.
After select OK the new settings will be stored.
The Export – Import feature can be used to backup the calibration value.
Eclipse ABR and OAE Service Manual 51
ASSR calibration.
Switch on power and activated the one of follow calibration program.
The calibration program for the four different software modules can be found on the following paths:
The Interacoustics ASSR Calibration module can be found in “C:\Program Files\ Interacoustics\ Eclipse\
Interacoustics ASSR 1.2.3 Build 42\ASSR Calibration.exe” on a English windows. “Program Files” are language
dependent.
Activate the icon for the desired Calibration Application and type in the password if necessary.
Stimuli Attenuator Calibration.
The Tab called Stimuli attenuator, uses to calibrated to output attenuator.
Stimuli Att. calibration is included in all software modules, it is only necessary to calibrate the stimuli Att. once.
There can be differences in the calibration procedure in the individual software modules. The difference in between
the calibration procedure holds for the normal calibration of tolerances, so the method is applied is optional.
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Calibration of the Attenuator in Channel 1.
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 1 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the ASSR calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP6.
2. Adjust P6 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP2 and notice the output V1.
2. Connect the voltmeter to MP6.
3. Adjust P3 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V1. Notice the output V2.
4. Press the – 60-dB button in the dynamic attenuator area.
Eclipse ABR and OAE Service Manual 52
Dynamic Attenuator -60 dB
1. Adjust the P2 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V2.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Dynamic Attenuator -120 dB
Notice: This Point can only be done using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V2.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 1.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP6 and notice the Output V3.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V3.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V3.
2. Select the -15 dB button in the “Fixed attenuator” section.
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V3.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V3.
2. Select the Channel 2 button in the “Channel to calibrate” area.
Eclipse ABR and OAE Service Manual 53
All the measure points’ (MP) and potentiometers (P) refers to the ERA Board Component Index page 18
All measurements are made with reference to GND (MP4).
Select the Stimuli Attenuator tab in the Calibration program.
Verify Channel 2 is selected in “Channel to calibrate” area on the display.
This calibration is not described in the ASSR calibration software
1. Connect a spectrum analyzer / distortion meter and an AC voltmeter to MP5.
2. Adjust P5 to minimum THD.
Dynamic Attenuator 0 dB
1. Connect an AC Voltmeter to MP3 and notice the output V4.
2. Connect the voltmeter to MP5.
3. Adjust P4 until the voltmeter shows exactly 20 dB ± 0.1 dB more than V4. Notice the output V5.
4. Press the – 60-dB button in the dynamic attenuator area.
Dynamic Attenuator -60 dB
1. Adjust the P1 until the AC voltmeter shows exactly 60 dB ± 0.1 dB less than V5.
2. Press the – 120 dB key in the dynamic attenuator area on the display.
Dynamic Attenuator -120 dB
Notice: This Point can only be done using an AC voltmeter with 1000 Hz band pass filter.
1. Move slider in the bottom of the dynamic attenuator area until the AC voltmeter, with 1000 Hz filter, shows
exactly 120 dB ± 0.5 dB less than V5.
2. Select the 0 dB button in the dynamic attenuator area.
Control of the fixed Attenuator steps in the Attenuator Channel 2.
Scroll down to description for fixed attenuator test:
Fix Attenuator 0 dB
1. Connect an AC voltmeter to MP5 and notice the Output V6.
2. Selected the -5 dB button in the “Fixed Attenuator” area.
Fix Attenuator -5 dB
1. Control that the AC voltmeter output is 5 dB ± 0.5 dB less than V6.
2. Select the -10 dB button in the “Fixed attenuator” area.
Fix Attenuator -10 dB
1. Control that the AC voltmeter output is 10 dB ± 0.5 dB less than V6.
2. Select the -15 dB button in the “Fixed attenuator” section.
Eclipse ABR and OAE Service Manual 54
Fix Attenuator -15 dB
1. Control that the AC voltmeter output is 15 dB ± 0.5 dB less than V6.
2. Select the -20 dB button in the “Fixed attenuator” section.
Fix Attenuator -20 dB
1. Control that the AC voltmeter output is 20 dB ± 0.5 dB less than V6.
ASSR Input Section
Select the Input Attenuator tab.
All the measurements and adjustments are made on the Switch Board board.
All the measure point’s (MP) and potentiometers (P) refers to the Advanced Switch Board Component Index
page 20
All measurements are made with reference to ground MP1.
Input Amplifier Control.
104 dB Amplification.
1. Connect a sine wave generator pre-selected to 1000 Hz and 70,7 mV rms (100mV peak) to the 8pins
preamplifier input socket on the EP15( Eclipse). Short circuit pin 5 and pin 4 and connect this point to the
sine wave generator. The ground wire shall be connected to pin 2.
2. Control the Left and Right level meter in the bottom of the display shows 0.0 dB ± 0.5 dB.
3. Select the 98 dB button on the Fixed attenuator area.
98 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -6.0 dB ± 0.5 dB.
4. Select the 92 dB button on the Fixed attenuator area.
92 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -12.0 dB ± 0.5 dB.
4. Select the 86 dB button on the Fixed attenuator area.
Eclipse ABR and OAE Service Manual 55
86 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -18.0 dB ± 0.5 dB.
4. Select the 80 dB button on the Fixed attenuator area.
80 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -24.0 dB ± 0.5 dB.
4. Select the 74 dB button on the Fixed attenuator area.
74 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -30.0 dB ± 0.5 dB.
4. Select the 68 dB button on the Fixed attenuator area.
68 dB Amplification.
3. Control the Left and Right level meter in the bottom of the display shows -36.0 dB ± 0.5 dB.
4. Select the 62 dB button on the Fixed attenuator area.
62 dB Amplification.
2. Control the Left and Right level meter in the bottom of the display shows -42.0 dB ± 0.5 dB.
3. Select the 92 dB button on the Fixed attenuator area.
Control of the input filter.
1.
Select 62 dB amplification.
2.
Connect a sine wave generator pre selected to 1000 Hz and 70.7 mV rms. (100 mV peak) to the 8 pins
preamplifier input socket on the rear plate.
Short-circuit pin 5 and pin 4 and connect this point to the signal of the sine wave generator.
The ground wire shall be connected to pin2.
3.
Control that the left and right level meter in the bottom of the display shows -42dB ± 0.5dB.
4.
Select the sine wave generator frequency to same frequency as the filter settings frequency.
5.
Control that the left and right level meter in the bottom of the display shows –43dB  -48 dB.
6.
Select next filter setting frequency and repeat point 2  6.
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ASSR Frequencies calibration.
Select the ASSR Calibration program to make this part of calibration.
peak-peak
Calibration of stimulus level is done in peak equivalent sound pressure peSPL
1kHz Ref.
1. Connect the ABR 3A phone to an artifical ear, which is connected to a sound level meter (SLM).
2. Adjust the slider until the SLM shows 100 dB SPL.
3. Connect an oscilloscope to the output of the SLM, and notice the peak to peak value V1.
4. Select the ASSR Frequencies button in the stimuli type area, and 500 Hz in frequency area, 1 Octave in
Bandwidth area and 90 Hz in the base frequency area.
500Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 750 Hz button in the frequency area.
750Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 1000 Hz button in the frequency area.
1000Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 1500 Hz button in the frequency area.
1500Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
Eclipse ABR and OAE Service Manual 57
2. Select the 2000 Hz button in the frequency area.
2000Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 3000 Hz button in the frequency area.
3000Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 4000 Hz button in the frequency area.
4000Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 6000 Hz button in the frequency area.
6000Hz Frequency
1. Adjust the slider until oscilloscope peak to peak value is the same as V1.
2. Select the 500 Hz button in the frequency area, 40 Hz button in base frequency area and 1 Octave.
Repeat 500Hz  6000 Hz 40 Hz 1 Octave calibration.
WN
1. Adjust slider until the SLM shows 100 dB SPL.
2. Select the 1 kHz ref, and next transducer to calibrate.
Repeat 1kHz ref, ASSR Frequencies and WN calibration for all transducer there are support.
Select the Settings Tab
In Settings it’s possible to change/delete the password, import and export calibration.
To change Password:
1.
Type the old password if passwords are select.
2.
Type the new password.
3.
Confirm the new password.
4.
After select OK the new settings will be stored.
The Export – Import feature can be used to backup the calibration value.
Eclipse ABR and OAE Service Manual 58
Trouble Shooting in TEOAE25, EP15 and EP25 Modules
Error message/behavior
List of auto tests is disabled and
empty
Cause
Hardware disconnected
No license
Hardware turned off
DSP board needs to be
calibrated!!!
The DSP is busy
What to do
Connected hardware.
Go into the Help and select About
box and press "License". The
Dialog shown below will appear.
Send the DSP Serial no to
Interacoustics A/S,Assens and
you will receive a "New License
Key" number that must be typed
in
Turn on hardware.
Contact the distributor for a
calibration.
Unknown error
Close module, restart hardware
and start module again.
Trouble Shooting in ASSR Module
Error message/behavior
Hardware not detected
DSP board needs to be
calibrated!!!
DSP board needs to be
calibrated!!!
DSP board are calibrated for
EPx5.
Do you want to reuse these
settings, and accept a possible
error of up to 2dB? (Settings will
be stored in hardware!)
No License
Cause
Hardware disconnected
What to do
Connect hardware and turn on.
Hardware turned off
Hardware not calibrated
Turn on hardware.
Hardware not calibrated
No license
Contact the distributor for a
calibration.
Answer Yes to accept and use
precalibration values from EPx5.
A possible error of up to 2dB does
exist.
Answer No, to use instrument as
not calibrated. The next time the
program is started, program will
prompt again with this question.
Go into the Help and select About
box and press "License". The
Dialog shown below will appear.
Send the DSP Serial no to
Interacoustics A/S, Assens and
you will receive a "New License
Key" number that must be typed
in
Eclipse ABR and OAE Service Manual 59
Trouble Shooting in the DPOAE Module
Error message/behavior
Start button disabled
Cause
Hardware disconnected
No license
Hardware turned off
DSP board needs to be
calibrated!!!
Unable to correct level
Nothing happens when start
button is pushed or message :
Error booting DSP
All other errors
What to do
Connected hardware.
Go into the Help and select About
box and press "License". The
Dialog shown below will appear.
Send the DSP Serial no to
Interacoustics A/S,Assens and
you will receive a "New License
Key" number that must be typed
in
Turn on hardware.
Contact the distributor for a
calibration.
Precaution to prevent too loud
output – probably caused by a
misfit or clotted probe.
Bad connection to hardware
Check probe and probefit and run
test again.
Turn hardware off and on again
after a few seconds and try again
Contact Interacoustics A/S for
support
Eclipse ABR and OAE Service Manual 60
Appendix U Update news
Following modifications are made for Manual number 80701116 09/ 2012
Spare parts updated
Change of headband
New USB isolation
Introduction of Sanibel consumable part numbers
Introduction of new numbering system
Following modifications are made from serial 898082 Manual number 80701115 02/ 2012
New Main Board 51004312
PCA update for heavy oscillation
New Ear eartips and Ear tip box
New OAE Probe with probe tip
New Snap and tap electrodes
New Headset
Following modifications are made from serial 856099 Manual number 80701114 06/ 2011
New Main board 51004311
Compatible to previous version
PCA update for optimizing usage of components with various brands
New power switch 10A ON-NONE-OFF
New optical isolation CO25 Optical USB
Following modifications are made from serial 802804 Manual number 80701113 10/ 2010
Not compatible to previous versions
New Mainboard 51004310
Implementation of trigger extension
Improvement of attenuator adjustment
Optimizing layout
New Assembly sketch
Optimizing for EMC and safety tests
Wiring updates
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Following modifications are made for Manual number 80701112 02 / 2010:
New software version 4.0
Improved VEMP
Speed optimization of the data communication between PC and Eclipse.
New Preamplifier board PCB 69030905 PCA 51017307 from serial 773475
Detection of electrode fall of introduced
When an electrode drops off, the preamplifier will deliver a very high signal to the Eclipse, which will trigger the
reject system on the EPx5 module, and then gives the operator a rejection warning (only works, if “Disable
rejection” in EPx5 isn’t set)
New Main board PCA 51004308 and trigger board PCA 51020501 from serial 769946
Improvement of respond to shorter trigger pulses
Following modifications are made for instruments from serial 749308 - PreAmplifier tracking no.
PL0800738001 Manual number 80701111 01/2009
Instrument design:
Top profile colour and instrument name design change
New Preamplifier and Collector boxes
EPA PreAmplifier, EPA3 Collector box, EPA4 Collector box
New design and improved RFI rejection
PreAmplifier PCA 51017305
New Advanced switch board 51005304
Redesign for better insulation mode rejection and UL-approved components in isolation path.
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