GMC 2011 Full-Size Truck Navigation System User Manual page 19

Rear: Select to adjust the audio
to give the rear seat occupants the
best possible sound quality.
The 2 CH and 5.1 CH buttons are
available only when a 5.1 CH disc is
available and RSA is off.
2 CH (Channel): Select to enhance
surround sound. The Surround
screen button must be selected to
select the 2 CH screen button.
5.1 CH (Channel): Select when
listening to a DVD, to give a full
affect of surround sound listening.
The Surround screen button must
be selected to select the 5.1 CH
screen button.
Downmix: If a 5.1CH disc is
playing, and the 2 CH screen button
is selected or RSA is turned on, the
system will downmix the audio from
5.1 CH to 2 CH if this feature is
supported on the disc.
Radio Menu
Press MENU to enter the menu
screen, then press it repeatedly until
Radio is selected or press the Radio
screen button to make changes for
radio information displayed or to
limit features while driving, number
of preset pages, XM categories, and
Automatic Volume Control or Bose
®
AudioPilot .
Infotainment System
Additional Information Displayed
The navigation system may have
this feature.
Press ( Additional Information
Displayed) to turn station, channel,
CD, and MP3 information on or off.
Press YES to receive information,
when it is available, for the
following; FM: RDS category name
and radio text, XM: Song Title and
Artist Name, CD: CD text, MP3: tag
information.
Press NO to receive no information.
®
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