Chevrolet 2001 Impala Owner's Manual page 203

Setting the Tone
BASS: Press and release the P
knob until BASS appears on the display. Then turn the
knob clockwise to increase bass and counterclockwise
to decrease bass. The display will show the bass level.
When you use this control, the radio's AUTO TONE
setting will switch to manual. To set bass to the middle
position, select the control and press and hold the
-
P TYPE LIST/AUDIO knob. The radio will produce
one beep and set the display level to the middle position.
To set all tone and speaker controls to the middle
position, press and hold the P
knob when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
TREBLE: Press and release the P
knob until TREB appears on the display. Turn the knob
clockwise to increase treble and counterclockwise to
decrease treble. The display will show the treble level.
When you use this control, the radio's AUTO TONE
setting will switch to manual. If a station is weak or
noisy, you may want to decrease the treble.
-
TYPE LIST/AUDIO
-
TYPE LIST/AUDIO
-
TYPE LIST/AUDIO
To set treble to the middle position, select the control
-
and press and hold the P TYPE LIST/AUDIO knob.
The radio will produce one beep and set the display
level to the middle position. To set all tone and speaker
controls to the middle position, press and hold the
-
P TYPE LIST/AUDIO knob when no tone or
speaker control is active. The radio will produce
one beep and display ALL with the level display in
the middle position.
AUTO TONE: This feature allows you to choose
preset bass and treble equalization settings designed
for ROCK, NEWS, POP, JAZZ, CLASSICAL and
COUNTRY music stations. TONE and the preset
equalization setting will appear on the display when you
press AUTO TONE. Each time you press it, another
setting will appear on the display. The manual setting
allows tone control to return to the BASS and TREB
controls. Use PUSHBUTTONS and AUTO TONE
button to program AUTO TONE for station presets.
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