Chevrolet Silverado Classic 2007 Owner's Manual page 297

To store an equalization setting to a preset
station perform the following:
1. Tune to the preset station.
2. Press and release the AUTO EQ button
to select the equalization setting.
Once the equalization no longer appears
on the display, the equalization is set for
that preset station.
Setting the Tone (Bass/Treble)
AUDIO: Push and release the AUDIO knob until
BASS or TREB (treble) appears on the display.
Turn the knob to increase or to decrease.
The display shows the bass or treble level. If a
station is weak or has static, decrease the treble.
To adjust the bass or treble 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.
To adjust all tone and speaker controls to the
middle position, push and hold the AUDIO knob
when no tone or speaker control is displayed.
ALL CENTERED appears on the display, you
will hear a beep, and the display level adjusts to
the middle position.
AUTO EQ (Automatic Equalization): Press this
button to select customized equalization settings
designed for country/western, jazz, talk, pop, rock,
and classical. Selecting CUSTOM or changing
bass or treble, returns the EQ to the manual bass
and treble settings.
The radio saves separate AUTO EQ settings for
each preset and source.
If the radio is equipped with the Bose
system, the equalization settings are either
CUSTOM or TALK.
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audio
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