GF54.50-P-2013RT Calibrate Compass, Function

GF54.50-P-2013RT Calibrate Compass, Function

The electronic compass must be calibrated after a discontinuity in the voltage supply, e.g. due to a disconnected or discharged battery B26) During this process the electronic compass measures the magnetic conditions of the vehicle. As a result the compass is able to compensate for magnetic overlays which otherwise might lead to route errors.

Calibration trip
On the calibration trip it is important that the compass runs through all points of the compass. The calibration is therefore completed most quickly if the calibration trip takes place on a curve; The tangent to a curve has a different orientation at each point of the curve.

Magnetic environment
Ferromagnetic materials (e.g. iron and nickel) influence the magnetic field of their surroundings and thus also locally the earth's magnetic field which the compass also uses for the calibration.
The same also applies to electric currents. Each conductor with a current flowing through it is surrounded by a magnetic field, the strength of which depends on the current.
For these reasons the above conditions should be observed when calibrating.

Calibrating the compass
In order to perform a correct or valid calibration, first the correct zone must be entered or checked, before the calibration trip is started ("vehicle" configuration in combination menu). The current zone (1 to 15), in which the vehicle is located, must be entered. The "CALIBRATION ACTIVE" display and the message with the request "Please drive in a full circle" appears in the multifunction display (A1p13) of the instrument cluster (A1). After successful calibration "successfully completed" appears in the multifunction display and the points of the compass are displayed.