GMC Yukon XL Denali Owner's Manual page 195

If a station's frequency is weak or if
there is static, decrease the treble.
To quickly adjust bass, midrange,
or treble to the middle position,
press the softkey positioned under
the BASS, MID, or TREB tab for
more than 2 seconds. A beep
sounds and the level adjusts to the
middle position.
To quickly adjust all tone and
speaker controls to the middle
position, press the knob for more
than 2 seconds until a beep sounds.
EQ (Equalization): Press this
button to choose bass and treble
equalization settings designed for
different types of music. Selecting
MANUAL or changing bass or
treble, returns the EQ to the manual
bass and treble settings.
Unique EQ settings can be saved
for each source.
If the radio has a Bose audio
system, the EQ settings are either
MANUAL or TALK.
Digital Signal Processing (DSP):
Press the EQ button to change the
DSP settings (only available on
Bose systems). DSP settings
provide a choice of different
listening experiences.
The following DSP settings are
available:
Normal Select this setting to
adjust the audio for normal
mode. This provides the best
sound quality for all seating
positions.
Driver Select this setting to
adjust the audio for the driver to
receive the best possible sound
quality.
Rear Select this setting to
adjust the audio for the rear seat
passengers to receive the best
possible sound quality.
Infotainment System
Surround (Centerpoint
Select this setting to enable
Bose Centerpoint. Centerpoint
signal processing produces a
surround sound listening
experience from a CD or XM
stereo digital audio source.
Centerpoint delivers five
independent audio channels
from conventional two channel
stereo recordings. (Not available
for AM or FM.)
Adjusting the Speakers
(Balance/Fade)
BAL/FADE (Balance/Fade): To
adjust the balance or fade:
1. Press the knob until the
speaker control tabs display.
2. Highlight the desired speaker
control tab by doing one of the
following:
Pressing the
Press the softkey under the
desired tab.
7-5
®
)
knob.