Compass Calibration
Once the compass is calibrated, it does not need to be
recalibrated as long
as
the mirror is left in your vehicle
and the vehicle remains in the same geographical zone.
To
calibrate the compass:
1. Set the switch on the mirror control to
C/M.
2.
Turn the vehicle’s ignition switch on.
If
the letter
C
is not displayed in the mirror compass window, hold
the
CAL
switch (on the bottom
of
the mirror) for
more than
10
seconds.
To
hold
in
the
CAL
switch,
insert a paper clip into the small hole on the bottom
of
the mirror housing. The display will show a
number first, but keep holding until the letter
C
appears.
For quick calibration, drive the vehicle
in
a
360-degree circle at less than
5
mph (Skdh) until
the display reads
a
compass direction.
For normal calibration, drive the vehicle on
your everyday routine, and the compass will
eventually calibrate.
Compass Variance
Variance is the difference between magnetic north and
geographic north.
Tn
some areas, the difference between
the
two can be great enough to cause false compass
readings. If this happens, follow these instructions to set
the variance
for
your particular location:
1.
Find your location on the zone map. Note your
zone number.
2-52
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