Proximity Alarm - Furuno 1823C-BB Operator's Manual

3. PLOTTER OPERATION
4. Use the trackball to select WITHIN, UNDER/OVER, or OFF as appropriate
5. For WITHIN and UNDER/OVER use the trackball and the alphanumeric keys
to enter alarm range: Operate the trackball to select digit; use the
alphanumeric keys to enter value.
6. Press the C:ENTER soft key or push the [ENTER] knob to register setting.
7. Press the [ALARM] key to finish.
3.11.6

Proximity alarm

The proximity alarm alerts you when own ship nears a waypoint, which is
marked with the proximity mark, by the proximity alarm radius set for that
waypoint on the waypoint list. When own ship is within a waypoint's proximity
alarm radius, the alarm sounds. The proximity mark remains on the screen until
the waypoint is erased.
1. Press the [ALARM] key to open the alarm menu.
2. Use the trackball to select PROXIMITY ALARM.
3. Press the A:EDIT soft key to show the proximity alarm window.
4. Use the trackball to select ON or OFF as appropriate, then press the
C:ENTER soft key.
5. Press the [ALARM] key to finish.
3-56
Radius in proportion to
proximity alarm radius,
which is set on waypoint list
001WPT
Proximity mark
PROXIMITY ALARM
¡
ON
¤
OFF
Proximity alarm window
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