10 setup > alarms, Press, Twice, then select alarms – NorthStar Navigation Multi-Function Unit M84 User Manual

Page 85

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Northstar M121/M84 Installation and Operation Manual

84

Press

MENU

twice, then select Alarms:

19-10 Setup > Alarms

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.

You can display the alarm status in the data
header (see section 2-7-3). The alarm status
shows the symbol for each alarm that is on. The
symbol is normally black and turns red if the
alarm triggers.

Symbol

Alarm

Beeper

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 5)

Danger

Boat comes closer to a danger waypoint than the alarm trigger value

Too shallow

1

/

5

sec

Depth is less than the alarm trigger value

Too deep

1

/

2

sec

Depth is greater than the alarm trigger value

Fish

1 short beep

Echo matches the profi le of a fi sh

Temperature

1

/

2

sec

Temperature equals the alarm trigger value

Temperature
rate

1

/

2

sec

Rate of change of temperature equals the alarm trigger value

Low battery

1

/

2

sec

Battery voltage is less than the alarm trigger value

Low fuel

1

/

2

sec

Low fuel remaining equals the alarm trigger value; on a multitank boat
you can set separate alarms for each tank (see section 13-4)

Loss of DGPS fi x

Instrument can not receive the DGPS signal (beacon, WAAS or EGNOS)

Loss of GPS fi x

Instrument can not receive the GPS signal (this alarm is always on)

Loss of AIS
receiver
communication

M121/M84 is no longer receiving communication from the AIS receiver
(Alarm is on when AIS is enabled)

Dangerous
vessel

The TCPA/CPA of another vessel is less than the trigger values
(see section 13)

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