Volvo 2009 S40 Owner's Manual page 243

Surround sound
Surround sound settings are used to
balance sound levels throughout the
vehicle. Surround settings for the var-
ious sound sources are made sepa-
rately.
NOTE
•
Dolby Surround Pro Logic II is only
available on the Premium Sound sys-
tem.
•
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)
Activating/deactivating Surround sound
1. Press MENU followed by ENTER.
1 Default setting.
2. Select AUDIO SETTINGS
in the menu and
press ENTER.
3. Select Surround FM/AM/CD/AUX
press ENTER.
4. Select Pro logic II , 3-channel stereo or
Off and press ENTER.
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 in the menu and
press ENTER.
3. Select
Equalizer Front/Rear
ENTER.
The column in the display indicates the sound
level for the current frequency.
•
Adjust the level with the TUNING dial (4),
or use the Up/Down arrows. Additional fre-
quencies can be selected with the Right/
Left arrows.
•
Save the settings by pressing ENTER or
and
exit without saving by pressing EXIT.
Automatic sound control
The audio system's volume is adjusted auto-
matically according to the speed of the vehicle.
There are three settings available, which deter-
mine the level of volume compensation:
•
Low
• 1
Medium
•
High
To set the automatic sound level:
1. Press MENU followed by ENTER.
2. Select AUDIO SETTINGS
press ENTER.
3. Select
AUTO. VOLUME CONTROL
menu and press ENTER.
and press
4. Select Low
ENTER.
10 Audio
Audio functions
in the menu and
in the
Medium High
, , or and press
10
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