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The GPS 165 features two nav menu pages for a host of valuable planning and
calculating functions. NAV Menu 1 provides access to the following functions:
• Trip Planning • Density altitude/true air speed calc.
• Fuel Planning • Winds aloft calculations
• VNAV Planning • Checklist
Trip Plan is the first function listed on NAV Menu 1 and allows you to view
information regarding distance, ESA, bearing and estimated time enroute between any
two waypoints and programmed route legs. The ground speed can also be varied
manually to calculate several possible ETEs.
To use the trip planning function:
1. Press
N
and rotate
O
to display NAV Menu 1.
2. Press
C
, then
E
to access trip planning.
3. Rotate
K
to select waypoint mode or the desired route number and press
E
.
4. For direct-to navigation, use
K
and
O
enter the ‘to’ and ‘from’ waypoints. Press
E
to accept the waypoints (to use your present position as a waypoint, leave the
corresponding waypoint field blank).
5. For route calculations, choose either ‘cum’ for cumulative data (from beginning to end) or
the leg desired by rotating
K
K
.
6. Use
K
and
O
to enter the ground speed. Press
E
to calculate the values.
7. Press
C
to complete.
The trip direction, distance, ESA and ETE will be displayed on the bottom two lines
of the planning page.
13
NAV KEY
NAV Menu 1/Trip Planning
Using the trip planning function.
NAV Menu 1.
165 manual 7/13/98 3:58 PM Page 13