AM and FM wave bands, diagnosis, function check, AS - AD82.62-P-3000-01A

Function check 

• Set radio as follows: Set station with poor reception (music) and fader, bass, treble and balance in position 0 (shown in display).

• Check AM and FM wave bands by driving in a circle in a yard (open-air grounds) to establish the reception quality.
• Possibly repeat the test with an identical vehicle for comparison.
• It is absolutely essential to perform the comparison measurement at the same location  and with the same station setting  .
• Repeat the test after replacing a component.