Start-up/basic settings, function

Start-up
The APS can be used only after it has been started up properly. After installing a new APS navigation processor (A2/30) the display on the radio and navigation operating unit (A2/29) indicates "PLEASE VISIT WORKSHOP".
Start-up can be accomplished with menu guidance after calling the menu "PLANT SW". Then activate the menu "SERVICE SW".
Then perform the following steps:

 Calibrate compass

 Recalibrate wheels

 Perform system test on navigation processor

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 Test functions which can be called up by user:

- Compass test
The electronic compass (B26) is checked for proper connection and function by the APS navigation processor (A2/30).

- Wheel sensor test
The values from the front axle VSS sensors (L6/1 and L6/2) are stored by the navigation processor (A2/30) and indicated on the display of the radio and navigation operating unit (A2/29).

- GPS test
The connections to the global positioning system control module (GPS, N41/2) and rear GPS antenna (A2/23a2) are checked, the GPS data read out and displayed.

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Basic settings
The following basic settings are required for operation of the APS:

 Vehicle model or chassis data

 Type of tires or recalibration of wheels

 Location (by entering or GPS position finding)

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The basic settings can be changed with the installation and calibration program.

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