PSS MERLIN
TELEMETRY BOARD
Quick Menu
Aim
To introduce personnel to the Merlin
Telemetry Entry Control Board.
Objectives
By the end of this session personnel
Will have sufficient knowledge and
understanding of the functions relating to
the use of the Merlin Telemetry Board
PSS Merlin Telemetry Board
 Integrated Digital Radio and Antenna
 Fully automatic, insert the tally
 Data logging (ECB stores up to 100 hours of information)
 Range: 3km (line of site) / up to 53 Floors
 Designed to work manually in an
emergency
 Supports Rapid Deployment
PSS Merlin Telemetry Board
Quick Selection Menu
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
Layout , Displays & Functions
Display Test
Battery & Charging
Setting The Time
Signals Received from BA Set EMU
Automatic Log ON
Log OFF
Forced Log OFF
Forced Log ON
Wearer Out of Range
Distress Signals (manual & automatic)
Voluntary Withdrawal Alert
Evacuation Signals
Merlin Board - Front View
Audible Alert Sounder
Key Pad & Battery
Display
Digital Radio
Transmitter &
Receiver with Antenna
Top Section
Individual Wearer
Information
Remarks Panel
Rear View,
Battery & Connections
Service ID Number
Board Number
Brigade Name
Menu
Merlin Board - Rear View
Battery 1
Gasket
External
Antenna
Connector
Battery 2
Foam Insert
Charging
Connector
Return to FRONT VIEW
Merlin Board – Top Section
Information Button- Scrolls
Wearer Display Information
Default-Time of Whistle (TOW) Green
LCD -Display Status Data Screen
LCD Time
Clock Display
Screen
Evacuation
Button – All –
Red LED
LED DisplayDistress Signal
from non
logged on
device –Red
Encoded Tally
with same No. As BA set:
Wearer Information
Return to FRONT VIEW
Key Pad
Numeric key pad
Use 2 & 8 to
Scroll Through
Menu
LED Display-Charging- Green
LED Display-Low Battery-Amber
LED Display-Battery 1-Fail-Red
Backspace key
LED Display-Battery 2-Fail-Red
Enter key
Return to TOP SECTION
Wearer Information
LCD Display - BA Information
( use information button to scroll through wearer menu)
Single Evacuation/Acknowledgement
Button
LED Display ADSU (Motion)
Alarm
LED Display DSU (Manual)
Alarm
LED Display Online Signal
LED Display - Withdraw Alert
Return to TOP SECTION
Merlin Board Display Test
 In sleep mode press enter
 Scroll to ‘test’
 Press enter
 Press all buttons (except enter) and check for audible beep
 Press enter
 Scroll to ‘quit’
 Press enter
Menu
Battery Charging
 Plug in at the back of the board
 Top green battery icon illuminates constantly
 Date section changes to dashes and dots
 Number of dashes signifies charge level, i.e. 2 dashes, two
hours etc
 Flashing icon means fully charged. (14 hours from flat)
 Battery lasts 8 hours
Menu
Setting The Time
 From sleep mode, press enter key
 Display now shows ‘quit’
 Scroll up or down with 2 or 8 keys to find ‘set time’
 Enter correct time, press return.
Menu
Signals Received From EMU
 Cylinder pressure ( updated every 20 seconds)
 Low time duration prior to TOW, (10 minutes)
 Activation of Low Pressure Warning Whistle
 Automatic Distress Signal Unit (ADSU) Active
 Manual Distress Signal Unit (DSU) active
 Voluntary withdrawal notification
Menu
Automatic Log On
 Insert tally to wake up board
 Board will momentarily show set No. followed by
elapsed time then TOW
 Online radio icon illuminates solid green to show
successful link with bodyguard
Menu
Log Off
• A – AIR SUPPLY
( Close Cylinder wheel and vent Air Supply )
• B – BODYGUARD
(allow gauge to read ZERO, bodyguard will
Automatically turn off within 20 sec )
• C – COMMS
(Switch off comms ; radio & speech enhancer)
This will ensure that the set has logged off from the Merlin board
Menu
Forced Log Off
•
Press enter key
•
Scroll to “LOG OFF”
( scroll using 2 or 8 then
)
•
Enter channel No. or press appropriate
channel button
•
Remove tally (if inserted) and press enter key
•
Scroll from N to Y to acknowledge log off
•
Press enter
Menu
Forced Log On

If a tally has a faulty transponder, it
may be necessary to carry out a
forced log on

Faulty tally will display ‘Et’, then
elapsed time

Press channel evacuation key

Enter set No. excluding prefixed
zeros

Press enter


Press channel evacuation key, Red
LED Flashes
Main display changes to show.
Menu
Wearer Out Of Range
 Online radio icon begins to flash on Board.
The blue LED on the Bodyguard will nolonger be illuminated and an X will show
against the radio icon on the Bodyguard
display.
 TOW will remain at time shown from last
communication.
Menu
Distress Signals
Manual Distress Button
Automatic Distress
Signal Alarm
Manual Distress
Signal
Menu
Voluntary Withdrawal
Each unit has the facility to inform the
ECO that the BA team are withdrawing.
Press and hold RH button, the radio icon
will appear and Beep when signal is sent.
Menu
Voluntary Withdrawal (cont)
The withdrawal icon of the associated
channel will begin to flash, also giving an
intermittent sound.
The ECO will confirm the alarm by
pressing the appropriate button, the
sounder stops and the withdrawal icon
stops flashing and illuminates.
Menu
Voluntary Withdrawal (cont)
On acknowledgement from ECO the
Bodyguard emits a short bleep
during which time the radio icon is
displayed.
When the alarm stops the Bodyguard will
revert back to operational mode.
Menu
Evacuation Signals
ALL WEARERS
EVACUATION BUTTON
SELECTIVE
EVACUATION BUTTON
Evacuation Signal LED
When acknowledged by wearer red LED
Will stop flashing & remain on
On Acknowledgement
Bodyguard Returns to
Operational Mode
On Receipt of Withdrawal Signal
Press RH Button on Bodyguard
Bodyguard Emits a
Repeating Audible Bleep
Menu
Any Questions
Menu