Garmin GPSMAP 180 - Manual (Page 53)

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Proximity Waypoints
The proximity waypoints list lets you define an alarm circle around a stored
waypoint position, and can be used to help you avoid reefs, rocks, or restricted
waters. Up to nine waypoints may be listed, with a maximum alarm radius of
99.99 nautical or statute miles or kilometers. If a proximity alarm circle overlaps
with an existing alarm circle, a ‘Proximity Overlap’ message will appear each time
the unit is turned on. If you enter an alarm circle overlap, you will only be alerted
to the closest proximity waypoint.
To enter a proximity waypoint:
1. Highlight the Proximity Waypoint option and press T .
2. Use the R key to highlight the first blank waypoint field and press T .
3. Enter the name of the proximity waypoint using the R keypad, or press O to
select the waypoint from the nearest waypoint list, waypoint list, or map display.
4. Press T to confirm. The distance field will now be highlighted.
5. Press T to begin entry of the proximity radius.
6. Use the R keypad to enter a distance value (to 99.99 units) and press T .
To turn proximity alarms on or off:
1. Use the R keypad to highlight the alarms on/off field and press T .
2. Select the desired setting and press T .
To remove a proximity waypoint from the list:
1. Use the R keypad to highlight the waypoint to be removed.
2. Press O .
3. Highlight the ‘Clear Alarm?’ field and press T .
4. To clear all proximity waypoints, select the ‘Clear All’ option and press T .
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A. Whenever you enter a proximity waypoint’s
alarm circle, a ‘PRX’ indicator will appear in the
status bar (the alarms option must be set to On’
position). Once you’ve left the alarm circle, the
proximity indicator will automatically reset.
B. To clear all proximity waypoints, select the
‘Clear All?’ option from the proximity options
page. Finish the deletion by confirming the ‘Yes’
prompt.
SECTION
6
WAYPOINTS
Proximity Waypoints