Preconditions For Testing the Sound System

To determine the fault
switch on radio.
Station signal strengths
set.


NOTE: A music cassette or CD may also be played.


Balance control
set to middle position.
Fader
set to middle position.
Bass and treble
set to basic position by pressing both buttons at the same time.
Speakers
listen to each individually (e.g. with a tube).












Check bass reflex openings (1) on the bottom of the front and rear doors.

NOTE: Use, for example, a ball-point pen for checking. The insertion depth must be at least 50 mm.


Depending on complaint
perform test as stated in Section D.