Volvo 2007 S80 Owner's Manual page 124

Under Surround, 3 channel stereo or Dolby pro logic II can be activated by selecting
enables the following options:
1
Center level - Level for the center speaker.
1
Surround level - Level for surround sound.
Equalizer
Sound levels for different frequencies can be adjusted separately using the equalizer
1. Go to Audio settings
The sound level for the frequency is adjusted with
frequency.
2. Use ENTER to save or EXIT to close.
1
Sound stage
The sound experience can be optimized for the driver's seat, both front seats or the rear seat. Select one of the options
under Audio settings
1
Premium Sound
2
Certain audio systems
128
04 Comfort and driving pleasure
Audio system
CD functions
CD insert and eject
CD slot
Navigation button for changing CD tracks
Fast-back and change CD track
CD changer position selection (option)
and select Equalizer Front
Soundstage.
or Equalizer Rear.
/ on the navigation button. Press
3-ch or Dpl2 respectively. This
2
.
/ to select another