Volvo 2009 XC90 Owner's Manual page 241

Bass speaker – SUBWOOFER (option)
The subwoofer helps the system provide fuller
sound and deeper bass.
1. Select AUDIO SETTINGS in the menu and
press ENTER.
2. Select
SUBWOOFER and press ENTER.
See page 239 for information on setting the
subwoofer level.
Equalizer FR
EQ – FRONT (certain audio systems)
This function is used to fine-tune the sound
from the front speakers.
1. Select AUDIO SETTINGS in the menu and
press ENTER .
2. Select Equalizer FR and press ENTER.
3. Use the menu selection buttons to set the
level or use the SELECTOR control.
4. Press ENTER to select the next frequency.
You can select five frequencies.
5. Press ENTER until you come to the menu
mode to save the changes you have made.
Equalizer RR
EQ – REAR (certain audio systems)
This function is used to fine-tune the sound
from the rear speakers.
1. Select AUDIO SETTINGS
in the menu and
press ENTER.
2. Select EQ- REAR and press ENTER.
3. Use the menu selection buttons to set the
level or use the SELECTOR control.
4. Press ENTER to select the next frequency.
You can select five frequencies
5. Press ENTER until you come to the menu
mode to save the changes you have made.
Optimal sound reproduction
The audio system is calibrated for optimal
sound reproduction through the use of digital
signal processing. This calibration takes into
account the speakers, amplifier, cabin acous-
tics, the seating position of the listener, etc., for
each combination of vehicle and audio system.
There is also dynamic calibration that takes
into account the setting of the volume control,
radio reception, and the vehicle's speed. The
sound settings described in this manual, such
as BASS , TREBLE , and EQUALIZER
intended to enable the user to adapt sound
reproduction to his/her personal preferences.
Audio system controls
are only
10 Audio
10
241