FORD 2013 F-550 v.3 - Manual (Page 110)

• RESET FOR CALIBRATION (if equipped): This feature calibrates the
compass.
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, on or near the vehicle may
also affect compass accuracy. If the compass appears to be inaccurate,
a manual calibration may be necessary.
Refer to Compass zone/calibration adjustment.
Compass zone adjustment
1. Determine which magnetic zone
you are in for your geographic
location by referring to the zone map.
2. Start the engine.
3. From the SETUP menu, press
and release the RESET button until
the message center display changes
to show the current zone setting
ZONE XX RESET = CHANGE.
4. Press and release the RESET button repeatedly until the correct zone
setting for your geographic location is displayed on the information
display.
5. Press and release SETUP, press INFO or allow the setup timer to
expire to exit the procedure.
Compass calibration adjustment
Note: For optimum calibration, drive to an open, level location away
from large metallic objects or structures. Switch off all non-essential
electrical accessories (heated rear window, heater, A/C, map lamps,
wiper, etc.) and make sure all the doors are closed
Note: If the RESET button is pressed or three minutes has expired, the
display will go back to the INFO menu and will show CAL instead of the
compass heading until the compass is calibrated.
1. Press the RESET button until the display reads RESET FOR
CALIBRATION to start the compass calibration function.
2. Slowly drive the vehicle in a circle (less than 3 mph [5 km/h]) until
the CIRCLE SLOWLY TO CALIBRATE display changes to CALIBRATION
COMPLETED. It will take up to five circles to complete calibration.
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Information Displays 109
2013 F-250/350/450/550 (f23)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)