See also:

Malfunctions involving individual CDs/ DVDs
If malfunctions occur only with particular CDs/ DVDs, this can be due to one of the following causes. Copied or self-recorded CDs/DVDs ▷ Possible reasons for malfunctions with home-recor ...

Equalizer
Setting for individual audio frequency ranges. Adjusting the equalizer 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Equalizer" 4. Sele ...

Switching on/off manually
Switching on/off manually Press the button. ...