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Any NMEA 2000 compatible device that transmits NMEA 2000 Alert PGNs can trigger NAVAlarm to sound Alarm tone 1 and any NMEA 2000 AIS device that transmits the AIS MOB message can trigger the NAVAlarm to sound Alarm tone 2. .
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DO NOT over tighten the screws. Once the base is correctly mounted, re-assemble the NAVAlarm unit by carefully twisting the top and bottom sections together ensuring the o ring seal is correctly seated around the rim where the two parts join. The two sections of the NAVAlarm housing can be secured in place with the small screw (supplied).
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NAVAlarm will constantly be monitoring the NMEA 2000 network waiting to receive Alert or Alarm PGNs. When it receives an Alert PGN 126983 NAVAlarm will sound Alarm 1 until either the Reset Switch is pressed for 1 sec or another device on the NMEA 2000 network silents or acknowledges the Alert.
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