1998 Chevrolet Astro Owner's Manual - Page 164

In addition to the four stations already set, up to three more stations may be preset on each band by pressing two adjoining buttons at thesame time. Just: 1. Tune in the desired station. Setting the Tone BASS: Slide this lever up or down to increase or decrease bass. 2. Press SET. (SET will appear on the display.) 3. Press two adjoining buttons at the same time, within five seconds. Whenever you press the same two buttons, the station you set will return. 4. Repeat the steps for each pair of pushbuttons. P.SCAN: Press both SEEK buttons to scan through each of your preset stations.The system will scan through and play each preset station stored on your pushbuttons for a few seconds. Press either SEEK button or RECALL to stop scanning through the presetstations. TREB: Slide this lever up or down to increase or decrease treble. If a station is weakor noisy, you may want to decrease the treble. Adjusting the Speakers BAL: Turn the control behind the upper knobto move the sound to the leftor right speakers. The middle position balances the sound betweenthe speakers. FADE: Turn the control behind the lower knob move to the sound to thefront or rear speakers. The middle position balances the sound between the speakers. 3-12