Garmin GPS II Owner's Manual page 42

REFERENCE
Fig. 36a
Fig. 36b
36
Editing Existing Waypoints
The waypoint definition page also allows you to change the name, coordinates,
comment, or reference waypoint field for a stored waypoint (Figs. 36a-36c).
To edit the coordinates, comment, or reference waypoint field:
1. Highlight the field you want to edit, and press ENTER.
2. Enter new data, and press ENTER.
Fig. 36c