Chevrolet 2007 Colorado Owner's Manual page 225

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 displays,
the equalization is set for that preset station.
3. To resave the preset, press and hold
the preset button until a beep sounds.
Setting the Tone
(Bass/Midrange/Treble)
AUDIO: Push and release the AUDIO knob until
BASS, MID, or TREB displays. Turn the knob
to increase or to decrease. The display shows the
bass, midrange, or treble level. If a station is
weak or has static, decrease the treble.
To adjust the bass, midrange, and treble to the
middle position, 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 controls are displayed.
ALL CENTERED displays and a beep sounds.
AUTO EQ (Automatic Equalization): Press this
button to select customized equalization settings
designed for country/western, jazz, talk, pop, rock,
and classical.
To return to the manual mode, press the AUTO
EQ button until CUSTOM displays. Then manually
adjust the bass, midrange, and treble using the
AUDIO knob.
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 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 displays. Turn the knob to move the sound
toward the front or the rear speakers.
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