Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 63
MSA G1 Electronic Breathing Apparatus
Figure 36: HUD alarm and pressure status lights from operator’s perspective
The HUD alarm status
The alarm status LEDs alert the operator to alarms that have been activated. The
combination of these LEDs change to indicate different alarms as set out in in
Figure 37
.
For alarms that show a flashing icon, more information about the alarm status is
available to the operator in the secondary screen of the control module (refer to
Figure 27
).
Alarm Illuminated icon Icon shown
Motion pre-alarm
Red flashing
Motion full alarm
Red solid
Manual alarm
Red solid
Hardware failure
Red flashing
Secondary thermal
alarm
Blue flashing
LCD thermal alarm Blue flashing
Pressure drop alarm
Blue flashing
Low battery alarm Yellow flashing
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