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Reference Waypoints
A new waypoint may also be created without knowing position coordinates by
entering its range and bearing from an existing waypoint or your present position.
The GPSMAP 135 Sounder will then calculate the position coordinates for you,
using the reference selected.
To create a new waypoint using a reference waypoint:
1. Select the ‘Create Waypoint’ option from the main menu page and press
T
.
2. Enter the name, icon, and comment, for the new waypoint.
3. Highlight the reference waypoint field and press
T
.
4. Enter the name of the reference waypoint using the
R
keypad, or press
O
to select
the waypoint from the nearest list, waypoint list, or map display. Leave the reference
field blank to use your present position.
5. Press
T
to begin entry of the bearing from your reference waypoint to the new way-
point position. Enter the bearing and press
T
.
6. Press
T
to begin entry of the distance from your reference waypoint to the new way-
point position. Enter the distance and press
T
. The position for the new waypoint will
automatically be calculated.
7. Highlight the ‘Done’ prompt and press
T
to finish.
52
SECTION
7
WAYPOINTS
Creating a Waypoint by
Reference
A
B
A. Enter the bearing from the reference waypoint to
the new waypoint in the ‘BRG’ field.
B. Enter the distance from the reference waypoint to
the new waypoint in the ‘DIS’ field.
GPS 135 Rev C 8/4/98 4:18 PM Page 52