2003 Chevrolet Astro Owner's Manual - Page 165

4. Press SET. SET will appear on the display. Setting the Tone (BassTTreble) BASS: Slide this lever up or down to increase or to decrease bass. TREB (Treble): Slide this lever up or down to increase or to decrease treble. If a station is weak or noisy, you may want to decrease the treble. 5. Press one of the four pushbuttons within five seconds. Whenever you press that numbered pushbutton, the station you set will return. 6. Repeat the steps for each pushbutton. In addition to the four stations already set, up to three more stations may be preset on each band by pressing two adjoining pushbuttons at the same time and by performing the following steps: 1. Tune in the desired station. 2. Press SET. SET will appear on the display. Adjusting the Speakers (Balance/Fade) BAL (Balance): Turn the control ring behind the upper knob to move the sound toward the left or the right speakers. FADE: Turn the control ring behind the lower knob to move the sound toward the front or the rear speakers. 3. Press two adjoining pushbuttons at the same time, within five seconds. Whenever you press the same two pushbuttons, the station you set will return. 4. Repeat the steps for each pushbutton. 3-40