Ford 2002 F650 Owner's Manual page 72

Driver Controls
4. Press and hold both controls.
After approximately four seconds,
the compass will enter zone setting
mode. Zone setting mode is
indicated when the display lights the
"ZONE" indicator.
5. Release both controls.
Subsequent pressing of either
control will increment the zone.
Press the control repeatedly until
the correct zone setting for your
geographic location is displayed on the trip computer.
6. To exit the zone setting mode and save the displayed zone in memory,
release both controls for greater than five seconds.
Compass calibration adjustment
Perform this adjustment in an open area free from steel structures and
high voltage lines.
For optimum calibration, turn off all electrical accessories (heater/air
conditioning, wipers, etc.) and make sure all vehicle doors are shut.
1. Locate the controls located in the overhead console.
2. Start the vehicle.
3. Press and hold both controls.
After approximately eight seconds,
the compass will enter CAL mode.
CAL mode is indicated when the
display lights the "CAL" indicator.
4. Release both controls. The display
will return to normal, except that
the CAL indicator will remain lit
until the compass is sucessfully
calibrated.
5. Slowly drive the vehicle in a circle (less than 5 km/h [3 mph]) until
the CAL indicator turns off. It may take up to five circles to complete
calibration.
6. The compass is now calibrated.
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E/M
MODE
RESET
E/M
MODE
RESET