Chevrolet 1993 Astro Passenger Owner's Manual page 143

Tone Levers (Equalizer)
The 5 levers near the upper knob control the tone of your radio.
Use the levers to set the bass, midrange, and treble until you get the sound
you prefer. The 60 and 250 levers adjust the bass; 1K is midrange; and 3.5K
and 10K adjust the treble.
PWR (Power)
The PWR button turns your system on and
off.
Loud Button
Press this for more bass sound; press again to remove it.
AM-ST Button
Push this button if you want AM stereo. ("STEREO' will be displayed when
you are receiving an AM stereo station.)
Cr02 Button
The Cr02 button lets you set the system for the type of cassette being used.
I f you are using chrome or metal tapes, push the Cr02 button in. If you are
using standard iron tapes, make sure the button is out.
DN@
Your audio system has automatic Dynamic Noise Reduction. It helps remove
background hiss noise from the radio or tape player.
DNR@ is a registered trademark of the National Semiconductor Corporation.
Pushbuitons
The four pushbuttons let you return to favorite stations.
You can set the pushbuttons for up to eight favorite stations (4 AM and
4 FM). Just:
1.
Tune in the station.
2. Push SET. (SET will be displayed.)
3. Within 5 seconds, push one of the four pushbuttons. Whenever you push
that button, the preset station will return.
Repeat these steps for each pushbutton.
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