Operation
38/68
Function
Pictogram selection /
Button sequence
Description / Display
Information
8. Volume
Volume control
Tone off: Press button until
displayed
9. Audio system
Selecting the audio system (channel)
Internal: Music SD card
Select title
–
External: Externally
connected systems, e.g. CD player
Select channel
–
(maximum)
Refer to 'Presettings',
Order-no.1019970-..
MP3 player or smartphone