Speaker Module Function - MSA G1 SCBA Operating Manual

Niosh cbrn and nfpa 1981/1982 breathing apparatus

Hide thumbs Also See for G1 SCBA:

Table of Contents

(10) When the system pressure falls below 200 psi, turn the control module off (sleep mode) by

pressing the reset button (green) two times within approximately one second.

(11) Open the bypass valve slowly/keep purge pressed to release any remaining pressure in the

system.

(12) Close the bypass valve/release purge.

If the primary low pressure warning device, control module, power module, or HUD does not function

properly, the SCBA must be removed from service.

5.4

Speaker Module Function

(1)

Pressurize the system and ensure the PASS device and HUD are turned ON.

(2)

Attach the regulator to a facepiece and begin breathing air. This will activate the regulator and

start the voice amplification.

(3)

Talk into the facepiece to ensure the speaker module is operating properly.

(4)

Press and hold the ON/OFF button on the speaker module until the audible tone sounds and the

unit turns OFF.

The LED on the speaker module should be OFF.

(5)

Press and hold the on/off button on the speaker module until the audible tone sounds and the

unit turns ON.

G1 SCBA

Functional Tests

Table of Contents