Chapter 2
Cylinder and Components
38 SAFETY FIRST Edition 1 – December 2019
MSA G1 Electronic Breathing Apparatus
The screen colour (green, yellow and red) is related to the cylinder pressure and
alarm
status (red) as per Figure 20.
Description Illustration
Green indicates pressure of 300 to 100 bar.
Yellow indicates pressure between 99 bar and 60 bar
Red indicates a pressure 59 bar and 0 bar.
Figure 20: screen colours related to cylinder pressure and alarm status
Button functions
There are three buttons on the control module: two RESET buttons and one manual
ALARM button.
Figure 21: reset and alarm buttons on the control module
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