1994 Chevrolet Astro Owner's Manual - Page 139

How to Operate Your ETW AM-FM Stel o Audio System This part tells you how your ETR@AM-FM stereo audio system works: The UpperKnob The upper knob does these three things: It controls the volume. The VOL knob increases volume when rotated to the right. It lets you see what station you have. (When the radio is on, push the knob to display the station.) It tells you the time. (When the ignitionis off, push the RECALL knob to display the time.) The control behind the upper knob moves the sound between your and left right speakers. The LowerKnob Turn the lower knob to choose radio stations.Push it to get AM or FM. The control behind the lower knob moves the sound between your and front rear speakers. Tone Levers These two levers control the toneof your radio. BASS -Slide this lever up to increase the bass response. TREBLE -Slide this lever up to increase the treble response. Adjust this leverto give a pleasing sound. If a station is weak and noisy, move TREBLE down to reduce the noise. PWR (Power) The PWR button turns your systemon and off. 3-11