Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 41
MSA G1 Electronic Breathing Apparatus
Step Description Illustration
Yellow pressure (1 light) LED flashes
once (middle LED)
Green pressure (3 lights) LED flashes
once (three top LEDs)
Green pressure (4 lights) LED flashes
once (all four LEDs)
2.4 Pressure LEDs display on the HUD.
2.5 Buddy lights on the power and control
module
cycle through red, yellow and
green.
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