Furuno NAVNET 1823C - Manual (Page 140)

3. PLOTTER OPERATION
3-54
3.11.3 Anchor watch alarm
The anchor watch alarm informs you that your boat is moving when it should be
at rest. When the anchor watch is active, a red dashed circle with an “X” at its
center marks the anchor watch area.
Your ship's position where
you start the anchor watch
alarm.
Alarm
setting
: Alarm
area
How the anchor watch alarm works
1. Press the [ALARM] key to open the alarm menu.
2. Use the trackball to select ANCHOR WATCH ALARM.
3. Press the EDIT soft key to open the anchor alarm window.
ANCHOR WATCH ALARM
▲
¡ ON 0.010nm
¤ OFF
▼
Anchor watch alarm window
4. Use the trackball to select ON.
5. Use the trackball and the alphanumeric keys to enter alarm setting: Operate
the trackball to select digit; use the alphanumeric keys to enter value. The
available anchor watch setting is 0.001 to 9.999 miles.
6. Press the ENTER soft key or push the [ENTER] knob to register setting.
7. Press the [ALARM] key to finish.
Note:
If the arrival alarm range is changed, turn off the anchor watch alarm and
then turn it on again to give priority to the anchor watch alarm.