Garmin GPS II Owner's Manual page 41

Reference Waypoints
To create a new waypoint manually without knowing its position coordinates,
you'll need to enter its bearing and distance from an existing waypoint or your pre-
sent position.
To create a new waypoint by referencing a stored waypoint:
1. From the waypoint definition page, highlight 'NEW?', and press ENTER.
2. Enter a waypoint name, and press ENTER.
3. Highlight the 'reference field' (Fig. 35a), and press ENTER.
4. Enter a reference waypoint name (Fig. 35b) (or leave the field blank to use your present
position), and press ENTER.
5. Enter the bearing and distance of your new waypoint fromthe reference waypoint.
6. Press ENTER to confirm the 'DONE?' prompt.
REFERENCE
Fig. 35a
Fig. 35b
35