Furuno GP-1850W - Manual (Page 54)

8. PLOTTER ALARMS
8-2
8.3 Arrival Alarm
The arrival alarm informs you that your boat
is approaching a destination waypoint. The
area that defines an arrival zone is that of a
circle which you approach from the outside
of the circle. The alarm will be released if
your boat enters the circle. When the arrival
alarm is active, a red dashed circle marks
the arrival alarm area.
: Alarm area
Own ship
Alarm
range
Destination
waypoint
How the arrival alarm works
1. Press the [ALARM] key to open the alarm
menu.
2. Press ▲ or ▼ to select ARRIVAL
ALARM.
3. Press the EDIT soft key to show the
arrival alarm window.
ARRIVAL ALARM
▲
ON 0.500nm
OFF
▼
Arrival alarm window
4. Press ▲ to select ON.
5. Operate the cursor pad to place the
cursor on the digit desired.
6. Key in the alarm range desired. The
arrival alarm range is 0.001 to 9.999
miles.
7. Press the ENTER soft key or the
[ENTER] key.
8.4 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 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. Press ▲ or ▼ to select ANCHOR
ALARM.
3. Press the EDIT soft key to open the
anchor alarm window.
ANCHOR ALARM
▲
ON 0.050nm
OFF
▼
Anchor watch alarm window
4. Press ▲ to select ON.
5. Key in the alarm range desired. The
anchor watch range is 0.001 to 9.999
miles.
6. Press the ENTER soft key or the
[ENTER] key to register your selection.
The anchor alarm range appears with the
circle, its center is the own ship location
when pressing the [ENTER] key. If own ship
goes out this range, the alarm works.