See also:

Switching DVD system on/off
Press the button on the CD-/DVD player or under the desired screen. The DVD system switches on automatically when a CD or DVD is inserted. ...

Contacts
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Playing CD/DVD
Use the following menu items to access data from a CD/DVD: ▷ Video data via "DVD" ▷ Audio data via "CD" ▷ Images "Photo" Playing CD/ ...