1997 GMC Safari Owner's Manual - Page 161

P.SCAN: The preset scan button letsyou scan through your favorite stations stored on your pushbuttons. Select either the AM, F M l or FM2 mode and then press PSCAN. It will scan through each station stored on your pushbuttons and stop for a few seconds before continuing to scan through all of the pushbuttons. PressP.SCAN again or one of the pushbuttons to stop scanning to listen to a specific preset station.P.SCAN will light up on the display while in this mode. If one of the stations storedon a pushbutton is too weak for the location you are in, the radio display will show the channel number (Pl-P6) for several seconds before advancing tothe next preset station. Setting the Tone BASS: Press lightly on this knob to release it from its stored position. Turn the knob clockwiseto increase bass and counterclockwise to decrease bass. When the BASS control is rotated, the AUTO TONE display willgo blank. TREB: Press lightly on this knob to release it from its stored position. Turn the knob clockwise to increase treble and counterclockwise to decreasetreble. When the TREB control is rotated, the AUTO TONE display will go blank. If a station is weak or noisy, you may want to decrease the treble. Push these knobs back into their stored positions when you're not using them. AUTO TONE: Press this button to select among the six preset equalization settings and tailor the sound to the music or voice being heard. Each time you press the button, the selection will switch to one of the preset settings of CLASSIC, NEWS, ROCK, POP, ClW (CountrylWestern) or JAZZ. To return to the manual mode, press and release this button until the AUTO TONE display goes blank. This will return the tone adjustment tothe BASS and TREB controls. If a BASS or TREB control is rotated, the AUTO TONE display will go blank. Adjusting the Speakers BAL: Press lightly on this knob to release it from its stored position. Turn the control clockwise toadjust sound to the right speakers and counterclockwise to adjust sound to the left speakers. The middle position balances the sound between the speakers. FADE: Press lightly on this knob to release it from its stored position. Turn the control clockwise to adjust the sound to the front speakersand counterclockwise forthe rear speakers. Themiddle position balances the sound between the speakers. Push these knobs back into their stored positions when you're not using them.