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Knowing your present position is only part of
any navigation equation. You also need to keep
track of where you’ve been and where you are
going. Waypoints serve as electronic markers that
let you keep track of starting points, destinations,
navaids and any other important position.
The GPS 40 allows you to mark, store and use
up to 250 waypoints. A waypoint position can be
entered by taking an instant electronic fix or by
manually entering a coordinate or range and bear-
ing in reference to an existing waypoint. To mark
your present position (make sure you have
acquired a satellite position) as a waypoint:
1. Press the
M
key to capture your position.
The Mark Position Page appears, showing the
captured position and a default 3-digit waypoint
name. To change the default position name :
1. Press the
U
key twice to move the field high-
light from the ‘save’ field to the name field.
2. Press
E
key to begin entry of the name.
Pressing the
L
key will clear any existing data.
3. Use the
U
and
D
keys to enter a value in the
appropriate character field, using the
L
and
R
keys to move to each character position.
4.
Press
E
to confirm the waypoint name
. The
field highlight will move to the ‘route’ field.
If you’d like to add this waypoint to a route:
1. Press the
E
key.
2. Use the
U
o r
D
keys to enter a route number.
3. Press the
E
key to confirm the route number.
4. Press the
E
key again to save the waypoint.
If you do not want to add this waypoint to a ro u t e:
1. Move the field highlight to the ‘save’ field and
press the
E
key.
18
Reference
Marking
and Naming
Waypoints
40 rev B 8/6/98 1:45 PM Page 18