Other Features
This section describes the useful functions incorporated into the
navigation system. ...
Audio Screen Control
AUDIO button (in USB mode)
Control the audio screen through the navigation system.
Select a track.
Select the Folder tab to display the
folder list.
The following items are available:
...
Basic Operation
1 Press the VOL (Volume/Power)
button to turn the audio
system on or off.
2 Press the AUDIO button and select SOURCE on the screen.
3 Select the audio source.
Or, press the FM/AM button or CD/ ...