PSS BG 4 Service Manual
Draeger Safety, Inc.
Switching Off the Sentinel
• Simultaneously press the right and left hand
button until a single sharp audible “bleep”
sounds.
• Release buttons.
• For 3 seconds Sentinel shows the battery
status.
• Sentinel switches off.
Completion of Testing
DANGER!
The PSS BG 4 is only ready for use when all the
above preparations are complete!
If one test failed, the PSS BG 4 must not be used.
In this case, it must be serviced by trained
personnel or by Dräger Safety prior to the next
use.
Failure to follow this warning could lead to death
or serious injury.
Draeger Training 11/16 rev 1
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