Calibrating electronic compass (APS) - AR82.61-P-7451A

MODEL 140 with CODE (351) Auto-pilot system (APS)

MODEL 210.037 up to 31.3.96 with CODE (351) Auto-pilot system (APS)

Fig 1: Identifying Cursor Keys, Volume Knob, Ret Key (Return Key) And Cartridge With CD-ROM

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removal, installation
1	Switch on APS	Calibration of the compass must be accomplished under free sky
2	Start engine	Vehicle must be standing still to start calibration
3	Replace map data CD with APS test CD	A selection menu appears on the display Only lay CD cartridge (A) in place, it is pulled in automatically by the drive
4	Select menu point "SERVICE-SW" with cursor key (1)	Confirm by pressing volume knob (2)
5	Switch off rear window defroster	Display: "OKAY", confirm by pressing volume knob (2)
6	Select menu point "START-UP" with cursor key (1) and confirm by pressing volume knob (2)	In exceptional cases in which the vehicle is momentarily incapable of receiving signals from the GPS system, a position inquiry appears following the menu point "STARTUP". This should be answered as follows: ACT. LATITUDE =111.1 ACT. LATITUDE =111.1 NORTH LATITUDE/SOUTH LATITUDE Select north latitude and confirm WEST LONGITUDE/EAST LONGITUDE Select east longitude and confirm. Select each digit with the appropriate cursor key (1) and confirm by momentarily pressing the volume knob (2). The complete entry can be confirmed by pressing the volume knob (2) for a longer period
7	Switch on rear window defroster	Display: "OKAY", confirm by pressing volume knob (2)
8	Switch off rear window defroster	Display: "OKAY", confirm by pressing volume knob (2)
9	Continue to follow instructions on display and confirm as required	The circle to be driven can also be < than 20 m and have an oval shape. It is only important that the starting point and end point are the same. Select "START" and confirm when the vehicle starts off. Select "STOP" and confirm at the end of the circular drive.
10	After calibrating the compass remove the APS test CD and insert the map data CD	Only lay CD cartridge (A) in place, it is pulled in automatically by the drive On new vehicles remove sticker from display