GMC 2011 Sierra - Manual (Page 232)

Black plate (6,1) GMC Sierra Owner Manual - 2011
7-6 Infotainment System
Setting the Tone
(Bass/Midrange/Treble)
(All Except AM-FM Radio
and Radio with CD)
BASS/MID/TREB (Bass, Midrange,
or Treble): To adjust the bass,
midrange, or treble:
1. Press the f knob until the tone
control tabs display.
2. Highlight the desired tone
control tab by doing one of
the following:
. Press the f knob.
. Press the softkey under the
desired tab.
3. Adjust the setting by doing one
of the following:
. Turn the f knob clockwise
or counterclockwise.
. Press the
¨
SEEK,
or © SEEK.
. Press the
\
FWD,
or
s
REV.
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 two 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
f knob for
more than two 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.