Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 33
MSA G1 Electronic Breathing Apparatus
Control module
Features
The control module is the main interface between the operator and the BA. It is where
all information regarding the status of the BA can be
accessed.
Figure 19: control module components
The control module is connected to the high pressure air source by a pneumatic
hose
and to the power module by an electronic hose assembly. The control module consists
of an analogue cylinder pressure gauge (measured in
bar), the manual alarm button
and the digital interface (full colour digital LCD
screen) that displays:
the BA’s self-test status (on start-up);
the cylinder pressure;
the estimated time remaining (to empty cylinder) with colour backlighting;
the battery power level;
all alarm conditions;
Bluetooth wireless connection status (not enabled);
telemetry status (not enabled).
The analogue gauge is positioned above the digital display as viewed by the
operator.
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