Explanation to Function Test
The operation of the radio is described in the radio "Operation Guide".
For the function test adjust the radio as follows:
Select a strong radio station (music) or play a cassette or CD.
Set fader, bass, treble and balance to the center position 0 (RESET or CENTER in display window).
Local and atmospheric conditions must be taken into consideration for a interference free and good radio reception.
Note: (Except model 163)
When replacing a radio, the speed-sensitive volume control must be adapted to the individual model.
The adaption takes place automatically by exceeding a vehicle speed of
38 mph (60 km/h).