Adding a Waypoint to a Route
Append to Route adds the selected waypoint to the end of a route.
This option appears when you are not navigating. When you are
navigating to a destination, Add to Current Route appears. The
selected waypoint is added to the current route before the route
destination.
To add a waypoint to the end of the route:
1. Open the Waypoint Edit Page, and press MENU to open the
options menu.
Waypoint Options Menu
2. Select Append To Route from the options menu. The Select
Route window appears.
3. Highlight a route or select New Route, and press ENTER.
4. Highlight OK, and press ENTER to save the waypoint.
GPSMAP 378/478 Owner's Manual
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Averaging the Waypoint's Location
Average Location makes the unit take several sample location
measurements for the waypoint and recalculate for a more accurate
location reading.
NOTE: You must have a GPS satellite fix before you can
average a waypoint's location.
To calculate the average location:
1. Open the Waypoint Page and press MENU to open the
options menu.
2. Select Average Location from the menu, and press ENTER.
The Average Location window appears. The fields change as
the unit calculates the average location of the waypoint.
Average Location Page
3. Press ENTER to save the location.
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