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1
Sunrise/sunset planning page showing UTC (Zulu)
sunrise and sunset times for ‘KROG’.
NAV KEY
Sunrise/Sunset
Calculations
The GPS 155XL’s sunrise/sunset planning function allows you to calculate the time
of sunrise or sunset at any waypoint or your present position for a specified date.
To calculate sunrise and sunset times at a waypoint or at your present location:
1. Press
N
and rotate
O
until NAV Menu 2 is displayed.
2. Press
C
and rotate
O
to highlight ‘Sunrise?’. Press
E
.
3. Use
K
and
O
to enter the waypoint identifier, or leave blank to use current position.
Press
E
.
4. Press
E
to accept the waypoint information.
5. Use
K
and
O
to enter the date desired.
6. Press
E
and the sunrise and sunset times will be calculated and displayed. The times
will be displayed in your local time or UTC time, whichever is specified from the clock
function on NAV Menu 2.
155xlb manual 1/12/99 4:05 PM Page 31