GMC Navigation System 2006 Yukon Manual page 56

Speed Compensated Volume (SCV): If your vehicle is
equipped with SCV, the audio system will adjust
automatically to make up for road and wind noise as
you drive, by increasing the volume as vehicle
speed increases. Touch the down arrow button to
access the second page of the Audio menu. Set the
volume at the desired level, then select Low, Med,
or High. The volume level should always sound
the same to you as you drive. To turn SCV off, touch
the Off screen button.
Automatic Volume Control (AVC): If your vehicle is
equipped with AVC, the audio system will adjust
automatically to make up for road and wind noise as
you drive, by increasing the volume as vehicle
speed increases. Touch the down arrow button to
access the second page of the Audio menu. Touch the
On screen button to turn this feature on. The volume
level should always sound the same to you as you drive.
To turn AVC off, touch the Off screen button.
EQ (Equalizer): While in the base Audio menu, use the
screen buttons labeled EQ1 through EQ5 to choose
preset bass, midrange, and treble equalization settings.
The Custom screen button allows you to choose and
set the equalization levels. To set a custom equalization
setting, adjust each setting to the desired level, then
touch the Custom screen button until you hear a beep.
3-6
After adjustments are made, press the BAND hard key
to go back to the preset station menu. Now that you
have preset the station and the EQ setting, you
can assign the EQ to the preset station. To do this,
touch the desired preset station screen button until you
hear a beep. The EQ setting will now be assigned to
that preset unless you decide to change it.
If you were at the CD screen before setting an EQ and
you press the CD hard key, you will be returned to
the CD screen, and the EQ will be set to that screen
until you change it.
Digital Signal Processing (DSP)
If your vehicle is equipped with DSP, you have a choice
of four different listening experiences. DSP can be
used while listening to the audio system or the
CD player. Select from the following DSP settings:
Normal: Touch this screen button to adjust the audio
and deliver the best possible sound quality to all
occupants.
Driver: Touch this screen button to adjust the audio
and deliver the best possible sound quality to the driver's
seat occupant.
Rear: Touch this screen button to adjust the audio and
deliver the best possible sound quality to the rear
seat occupants.