Chevrolet Optra 2005 Owner's Manual page 155

Setting the Tone (Bass/Treble)
SOUND (Bass/Treble): Press this button until BAS
appears on the display. Turn the volume knob to
increase or to decrease the bass. The display will show
the bass level. When finished making the selection,
press this button to select the bass level.
Press this button until TRE appears on the display. Turn
the volume knob to increase or to decrease the treble.
The display will show the treble level. When finished
making the selection, press this button to select
the treble level. If a station is weak or noisy, decrease
the treble.
SOUND (Equalization): Press this button until EQ OFF
appears on the display to select customized equalization
settings designed for classic, pop, rock, jazz, and
voice. Turn the volume knob until the desired
equalization setting appears on the display. When
finished making the selection, press the SOUND button
to select the equalization setting.
To cancel an equalization setting, press the SOUND
button until EQ OFF appears on the display, turn
the volume knob until OFF appears on the display,
then press the SOUND button again to select the
equalization setting.
Adjusting the Speakers (Balance/Fade)
SOUND (Balance/Fade): To adjust the balance
between the right and the left speakers, press this button
until BAL appears on the display. Turn the volume
knob to increase or to decrease. The display will show
the balance level. When finished making the selection,
press this button to select the balance level.
To adjust the fade between the front and the rear
speakers, press this button until FAD appears on the
display. Turn the volume knob to increase or to
decrease the fade between the front and the rear
speakers. The display will show the fade level. When
finished making the selection, press this button to select
the fade level.
Playing a CD
Insert a CD partway into the slot, label side up. The
player will pull it in and the CD should begin playing.
You can insert a CD with the ignition off.
When the CD is inserted, CDP will appear on the
display. As the CD is loading Filecheck will appear on
the display. As each new track starts to play, Track and
the track number will appear on the display.
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