Volvo 2007 C70 Owner's Manual page 196

2. Select AUDIO SETTINGS
3. Select SUBWOOFER
Surround sound
Surround sound settings are used to balance sound levels throughout the vehicle. Surround settings for the
various sound sources are made separately.
NOTE
Dolby Surround Pro Logic II is only available on the Premium Sound system.
When listening to FM radio stations, Dolby Surround Pro Logic II functions best in areas with strong reception. If
reception is weak, selecting 2 or 3-channel stereo may provide better sound quality.
The Dolby symbol will be appear in the display when Dolby Pro Logic II is activated.
There are three alternative settings:
Pro Logic II
3-channel
Off (normal 2-channel stereo)
220
10 Audio
Audio functions
Activating/deactivating Surround sound
1. Press MENU followed by ENTER.
2. Select AUDIO SETTINGS
3. Select Surround FM/AM/CD/AUX
4. Select PRO LOGIC
Equalizer Front/Rear
This function is used to fine-tune the sound level for different frequencies separately.
NOTE
This function is only available on certain sound systems.
To adjust the equalizer settings:
1. Press MENU followed by ENTER.
2. Select AUDIO SETTINGS
3. Select EQUALIZER FRONT/REAR
and press ENTER.
and press ENTER.
in the menu and press ENTER.
and press ENTER.
II, 3-channel stereo or
in the menu and press ENTER.
and press ENTER.
OFF and press ENTER.