Proximity Points - Garmin GPSMAP 378 Owner's Manual

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To delete waypoints by symbol or category:
1. On the User sub tab, highlight the waypoint to delete, and
press MENU.
2. Highlight Delete by Symbol or Delete by Category, and
press ENTER.
3. When deleting by symbol, highlight the symbol of the
waypoint you want to delete, and press ENTER. When
deleting by category, select the category you want to delete
from the list, and press ENTER.
4. Highlight OK, and press ENTER to confirm. Choose Cancel
or press QUIT to exit without deleting the waypoint.
To delete waypoints by distance:
1. On the User sub tab, highlight the waypoint to be deleted,
and press MENU.
2. Highlight Delete By Distance, and press ENTER.
3. Select Less Than or More Than and enter the distance
using the ROCKER.
4. You can select a waypoint or point of interest as the From
location. Highlight the From field and press ENTER. From
the Find Menu, select a location and press ENTER. When
OK is highlighted, press ENTER.
5. Highlight Delete and press ENTER to delete all waypoints
within the set location. Choose Cancel or press QUIT to exit
without deleting the waypoints.
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Proximity Points

Use the Proximity Points tab to define an alarm circle around a
stored waypoint location. The alarm circle can help you avoid reefs,
rocks, or restricted waters. Up to 100 waypoints can be listed with
a maximum alarm radius of 99.99 nautical miles, statute miles, or
kilometers.
If a proximity alarm circle overlaps an existing alarm circle, a
"Proximity Overlaps Another Proximity Waypoint" message
appears. Because the unit only alerts for one of the overlap points,
use caution when navigating in these areas. If you enter an alarm
circle overlap, you are only alerted to the closest proximity
waypoint.
To turn proximity alarms on or off:
1. Highlight the Points tab on the Main Menu, and then select
the Proximity sub tab.
GPSMAP 378/478 Owner's Manual