GMC 2007 Envoy Denali Owner's Manual page 262

AUTO EQ (Automatic Equalization): Press this
button to select customized equalization settings
designed for country/western, jazz, talk, pop, rock,
and classical.
The radio saves separate AUTO EQ settings for
each preset and source.
If the radio has the Bose
equalization settings are either CUSTOM or TALK.
Adjusting the Speakers (Balance/Fade)
AUDIO: To adjust the balance between the
right and the left speakers, push and release the
AUDIO knob until BAL (balance) displays.
Turn the knob to move the sound toward the right
or the left speakers.
To adjust the fade between the front and rear
speakers, push and release the AUDIO knob until
FAD (fade) displays. Turn the knob to move
the sound toward the front or the rear speakers.
To adjust the balance or fade to the middle
position while it is displayed, push and hold the
AUDIO knob. The radio produces one beep
and adjusts the display level to the middle position.
262
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audio system, the
To adjust all tone and speaker controls to the
middle position, push and hold the AUDIO knob
when no tone or speaker controls display.
ALL CENTERED displays and a beep sounds.
Finding a Program Type (PTY) Station
(RDS and XM™)
To select and find a desired PTY perform the
following:
1. Press the TYPE button to activate program
type select mode. P-TYPE and the last
selected PTY displays.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY displays, press either
the TYPE or the SEEK arrows to select and
to go to the PTY's first station.
4. To go to another station within that PTY,
press the TYPE button, then press either
the TYPE or the SEEK arrows once.
5. Press either the TYPE or the SEEK arrows
twice to exit the program type select mode.