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The GPS 165’s search and rescue function provides navigation guidance for
search and rescue operations, navigating in a ladder pattern to maximize coverage and
efficiency. This is done in reference to two waypoints, called anchor waypoints. The
first leg will be a specified distance from the line connecting the anchor waypoints,
called the offset distance. The increment distance is the distance between each subse-
quent leg. The ladder can be created on either side of the waypoints.
To perform a search and rescue operation:
1. Create a route of ONLY two waypoints.
2. Press
R
and use
O
to display the route catalog page.
3. Use
K
to select the 2-waypoint route to use as anchor waypoints.
4. Press
C
and use
K
to display ‘search?’. Press
E
.
5. Use
K
and
O
to enter the leg increment value, and R or L. Press
E
.
6. Rotate
O
to highlight the initial offset, and use
K
and
O
to enter the initial offset
value, and R or L.
7. Press
E
three times to accept the operation values and begin navigation.
After activating a search and rescue, you will be informed with an ‘Offset nav in
effect’ message. If a search and rescue is interrupted, note the parallel track direction
(R or L) and distance on the activation page for route 0. When you resume search and
rescue operations, use this as the initial offset.
55
DIRECT-TO & ROUTE NAV
Search & Rescue Function
Performing a search and rescue operation.
ANCHOR
WAYPOINT
ANCHOR
WAYPOINT
INITIAL
OFFSET
LEG
INCREMENT
DISTANCE
LEG
INCREMENT
DISTANCE
LEG
INCREMENT
DISTANCE
165 manual 7/13/98 3:59 PM Page 55