1. Merlin Telemetry Board Dräger PSS 7000 Q & A
Breathing Apparatus Collaboration
Merlin Telemetry Board
and
Dräger PSS 7000
Q & A

2. Question - 1
What is the function of the first stage reducer on the PSS 7000t BA set ?
A - It reduces the air from cylinder pressure to between 6 – 9 bars.
B - It reduces the air from cylinder pressure to just above atmospheric pressure.
C - It reduces the air from cylinder pressure to between 11 – 16 bars.
D - It reduces the air from between 6 – 9 bars to just above atmospheric pressure.
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3. Question - 2
Following a full charge, how long will the battery last in the Dräger Bodyguard 7000t unit?
A - Approximately 1 hour..
B - Approximately 8 hours.
C hours.
D - 5 – 6 hours.
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4. Question - 3
What is the lifespan of a Dräger 9 litre, 300 bar compressed air cylinder ?
A - 5 years.
B - 10 years.
C - 15 years.
D - 20 years.
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5. Question - 4
On the Dräger Merlin Telemetry Entry Control Board, what does the following LED indicate ?
A - Emergency Voluntary Withdrawal has been actuated.
B - Automatic Distress Signal Unit has been actuated.
C - Evacuation signal has been actuated.
D - Manual Distress Signal Unit has been actuated.
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6. Question - 5
On the Dräger Merlin Telemetry Entry Control Board, what does the following LED indicate ?
A – Manual Distress Signal Unit has been actuated.
B - Emergency Voluntary Withdrawal has been actuated.
C - Telemetry link has been lost.
D - Automatic Distress Signal Unit has been actuated.
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7. Question - 6
How often does the telemetry link update/refresh between the Bodyguard 7000t and the Merlin Telemetry Board ?
A - Every 20 seconds.
B - Every second.
C - Whenever there is a change in air consumption/breathing rate.
D - Every minute.
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8. Question - 7
When does the pneumatic low pressure warning whistle sound on the Dräger PSS 7000t BA set ?
A - Between 70 and 60 bars.
B - Between bar.
C - Between 60 +/- 5 bars.
D - Between 6 – 9 bars.
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9. Question - 8
What would be the outcome of pressing this button on the Merlin Telemetry Board ?
A - All BA wearers committed from that ECB will receive an evacuation signal.
B - All BA wearers in the area will receive an evacuation signal.
C - It will evacuate an individual wearer.
D - It will reset the clock.
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10. What do these flashing LEDs signify ?
Question - 9
What do these flashing LEDs signify ?
A - Signal lost between EMU & Telemetry Board.
B - EMU in operation.
C - EMU in operation & linked to Telemetry Board.
D - Distress signal activated.
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11. What do the RED flashing LEDs signify ?
Question - 10
What do the RED flashing LEDs signify ?
A - Signal lost between EMU & Telemetry Board.
B - EMU in operation.
C - EMU in operation & linked to Telemetry Board.
D - Units Distress signal activated.
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12. Question - 11
What is the minimum cylinder content required for a Re-Entry using a 9litre, 300 bar cylinder ?
A bars.
B bars.
C bars.
D bars.
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13. Question - 12
What does this figure represent on the Dräger Bodyguard 7000t display screen ?
A - Time to whistle.
B - Time of whistle.
C - Elapsed time of BA wear.
D - Remaining cylinder contents.
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14. Question - 13
What does this figure represent on the Dräger Bodyguard 7000t display screen ?
A - Time to whistle.
B - Time of whistle.
C - Elapsed time of BA wear.
D - Remaining cylinder contents.
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15. Question - 14
On the Dräger Bodyguard 7000t, what is the meaning of the following icon on the display ?
A - The evacuation signal has been actuated by the ECO.
B - The Emergency Voluntary Withdrawal has been actuated by the BA wearer.
C -The Automatic Distress Signal has been actuated.
D - The telemetry link has been lost between the Bodyguard and the Merlin ECB.
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16. Question - 15
On the Dräger Merlin Telemetry Entry Control Board, what does this flashing LED indicate ?
A - Telemetry board is shutting down.
B - Automatic Distress Signal Unit has been actuated.
C - Evacuation signal has been actuated for an individual wearer.
D - Emergency Voluntary Evacuation has been actuated.
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17. Question - 16
What period of time does the Dräger Merlin Telemetry Entry Control Board log past activities for ?
A - The last 100 hours.
B - The last 5 – 6 hours.
C hours.
D hours.
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18. Question - 17
Which of the following is the correct shutting down procedure ? A - B - C
A - Airway , Breathing , Circulation.
B - Air supply , Bodyguard , Comms.
C - Air supply , Battery , Cylinder.
D - Air supply , Battery , Comms.
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19. Question - 18
After what time period will the Pre- Alarm sound if the motion sensor detects
No movement ?
A seconds
B seconds
C seconds
D seconds
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20. After the Pre- Alarm has been activated how long will it be before
Question - 19
After the Pre- Alarm has been activated how long will it be before
FULL ALARM
is activated if no further movement is detected ?
A seconds
B seconds
C seconds
D seconds
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