Battery Reset - mcmurdo Guardian MOB Beacon Watch User Manual

121.5mhz man overboard alarm watch
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6. Battery reset

Under certain conditions, typically when the beacon has activated for short periods,
the low battery alarm may sound although the battery does not need to be replaced.
If this is suspected, the battery alarm function should be reset by:
1
2
3
4
5
6
If the alarm does not sound, the Beacon may be used as normal.
If the low battery alarm sounds at this time or subsequently, a new battery
must be fitted.
Press and hold the CONFIRM button
Press the ARMING button once
Release buttons. The unit will acknowledge with 5 beeps.
Immediately press the CONFIRM button twice. The unit will
acknowledge with a LED flash.
Immediately press the ARMING button once. The unit will
acknowledge with 4 beeps.
Confirm that the low battery alarm has been reset by monitoring
the Beacon for 2 minutes.
15

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