1. PSS MERLIN TELEMETRY BOARD Quick Menu
Breathing Apparatus Collaboration
PSS MERLIN
TELEMETRY BOARD
Quick Menu

2. To introduce personnel to the Merlin Telemetry Entry Control Board.
Aim
To introduce personnel to the Merlin Telemetry Entry Control Board.

3. 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

4. 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
Best Possible equipment to provide safety for Fire fighters
Fire Buy
Regionalisation
Technological advancements
Bodyguards – are now tried and tested technology

5. PSS Merlin Telemetry Board
Quick Selection Menu
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

6. Merlin Board - Front View
Key Pad & Battery Display
Audible Alert Sounder
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

7. Merlin Board - Rear View
Battery 1
Gasket
Battery 2
Foam Insert
External Antenna Connector
Charging Connector
Return to FRONT VIEW

8. 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 Display-Distress Signal
from non logged on device –Red
Encoded Tally
with same No. As BA set:
Wearer Information
Return to FRONT VIEW

9. Use 2 & 8 to Scroll Through Menu
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

10. Wearer Information Single Evacuation/Acknowledgement Button
LCD Display - BA Information
( use information button to scroll through wearer menu)
LED Display - ADSU (Motion) Alarm
LED Display - Online Signal
LED Display - DSU (Manual) Alarm
LED Display - Withdraw Alert
Return to TOP SECTION

11. Merlin Board Display Test
In sleep mode press enter
Scroll to ‘test’
Press enter
Press all buttons (except enter) and check for audible beep
Scroll to ‘quit’
Menu

12. 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
Top symbol - charging/charged.
2nd symbol illuminates amber – low battery.
3rd symbol illuminate red – battery 1 failure.
4th symbol illuminates red – battery 2 failure.
Menu

13. 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

14. 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

15. 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

16. A – AIR SUPPLY B – BODYGUARD C – COMMS Log Off
( 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

17. 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

18. 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

19. Wearer Out Of Range
Online radio icon begins to flash on Board. The blue LED on the Bodyguard will no-longer 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

20. Distress Signals Manual Distress Button Manual Distress Signal
Automatic Distress Signal Alarm
Menu

21. 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

22. 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

23. 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

24. Evacuation Signals ALL WEARERS 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

25. Any Questions
Menu