Furuno GD-1700C - Manual (Page 91)

2. PLOTTER OPERATION
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4. Use the cursor pad to select WITHIN, UNDER/OVER, or OFF.
5. For WITHIN and UNDER/OVER, use the cursor pad and [ENTER] knob to
enter alarm range: Use ◄ or ► to select digit; rotate the [ENTER] knob to set
value.
6. Press the ENTER soft key or push the [ENTER] knob to register setting.
7. Press the [ALARM] key to close the menu.
2.11.6 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 proximity alarm is turned off or the waypoint is erased. (Note that the
GD-1700C/1710C shows the proximity mark in red.)
Radius in proportion to
proximity alarm radius,
which is set on waypoint list
001WPT
Proximity mark
1. Press the [ALARM] key to open the alarm menu.
2. Use the cursor pad to select PROXIMITY ALARM.
3. Press the EDIT soft key to show the proximity alarm window.
PROXIMITY ALARM
▲
¤ ON
¡ OFF
▼
Proximity alarm window
4. Use the cursor pad to select ON or OFF.
5. Press the ENTER soft key or [ENTER] knob.
6. Press the [ALARM] key to close the menu.