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Northstar Explorer 657 Installation and Operation Manual70
Press twice, then select Alarms:
17-9 Setup > Alarms
All alarms except Loss of GPS fix can be
turned on (enabled) or off (disabled).
For all alarms select
to turn the alarm on or
select to turn the alarm off.
For most alarms there is a trigger value. The
alarm will sound each time the alarm value equals
the trigger value. For example, the
Danger
alarm will sound if the boat comes closer to a
danger waypoint than the trigger value and the
Anchor alarm will sound if the boat moves by
more than the trigger value.
Icons for alarms that are on can be displayed in
the data header (see section 2-7-3). An alarm icon
is normally black and turns red when the alarm
sounds.
Symbol Alarm Alarm sounds when it is on and the:
Arrival radius
Boat is closer to the destination or to a waypoint than the alarm
trigger value
Anchor alarm Boat moves by more than the alarm trigger value
XTE Boat moves off course by more than the CDI scale (see section 14-2)
Danger Boat comes closer to a danger waypoint than the alarm trigger value
Loss of DGPS fi x 657 can not receive the DGPS signal (beacon, WAAS or EGNOS)
Loss of GPS fi x 657 can not receive the GPS signal (this alarm is always on
Loss of
AIS receiver
communication
657 is no longer receiving communication from the AIS receiver
(Alarm is on when AIS is enabled)
Fish Echo matches the profi le of a fi sh
Too shallow Depth is less than the alarm trigger value
Too deep Depth is greater than the alarm trigger value
Temperature Temperature equals the alarm trigger value
Temperature rate Rate of change of temperature equals the alarm trigger value
Low battery Battery voltage is less than the alarm trigger value
Low fuel Fuel remaining equals the alarm trigger value