Chevrolet 2002 Corvette Owner's Manual page 197

Setting the Tone (Bass/Treble)
BASS: Press this knob lightly so it extends. Turn the
knob clockwise to increase bass and counterclockwise to
decrease bass.
TREB (Treble): Press this knob lightly so it
extends. Turn the knob clockwise to increase treble
and counterclockwise to decrease treble. If a station is
weak or noisy, you may want to decrease the treble.
Push these knobs back into their stored positions when
you're not using them.
AUTO TONE: This feature allows you to choose
bass and treble equalization settings designed for
country/western, jazz, talk, pop, rock and classical
stations. C/W will appear on the display when you
first press AUTO TONE.
Each time you press the AUTO TONE button, this
feature will switch to one of these program types.
To return the bass and treble to the manual mode,
either press and release the AUTO TONE button until
the display goes blank or press and release the BASS or
TREB knob and turn it until the display goes blank.
Adjusting the Speakers (Balance/Fade)
BAL (Balance): Press this knob lightly so it extends.
Turn the knob clockwise for the right speakers and
counterclockwise for the left speakers. The middle
position balances the sound between the speakers.
FADE: Press this knob lightly so it extends. Turn the
knob clockwise to adjust the sound to the front speakers
and counterclockwise for the rear speakers. The middle
position balances the sound between the speakers.
Push these knobs back into their stored positions
when you're not using them.
Playing a Compact Disc
Insert a disc partway into the slot, label side up.
The player will pull it in. The disc should begin
playing. The display will show CD and the CD symbol.
If you want to insert a compact disc with the ignition
off, first press RECALL or EJECT.
If an error appears on the display, see "Compact Disc
Messages" later in this section.
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