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Instrumentation – FORD 2001 F-550 v.1 User Manual

Page 21

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The compass heading is displayed in average fuel economy modes, fuel
range modes and temperature modes.

The compass reading may be affected when you drive near large
buildings, bridges, power lines and powerful broadcast antenna. Magnetic
or metallic objects placed in or on the vehicle may also affect compass
accuracy. Adjustments may need to be made to the zone and calibration
of the compass.

Compass zone adjustment

1. Determine which magnetic zone
you are in for your geographic
location by referring to the zone
map.

2. Locate the trip computer on the
overhead console.

3. Turn ignition to the ON position.

4. Press and hold both trip
computer controls. After
approximately four seconds, the trip
computer 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.

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MODE

E/M

Instrumentation

21

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