2001 GMC Savana Van Owner's Manual - Page 170

TREBLE: Press and release the P-TYPE LIST/AUDIO knob until TREB appears on the display. Turn the knob clockwise to increase treble and counterclockwise to decrease treble. The display will show the treble level. When you use this control, the radio's AUTO TONE setting will switch to manual. If a station is weak or noisy, you may want to decrease the treble. To set treble to the middle position, select the control and press and hold the P-TYPE LIST/AUDIO knob. The radio will produce one beep and set the display level to the middle position. To set all tone and speaker controls to the middle position, press and hold the P-TYPE LIST/AUDIO knob when no tone or speaker control is active. The radio will produce one beep and display ALL with the level display in the middle position. AUTO TONE: This feature allows you to choose preset bass and treble equalization settings designed for ROCK, NEWS, POP, JAZZ, CLASSICAL and COUNTRY music. TONE and the preset equalization setting will appear on the display when you press AUTO TONE. Each time you press it, another setting will appear on the display. The manual setting allows tone control to return to the BASS and TREB controls. Use PUSHBUTTONS and AUTO TONE button to program AUTO TONE for station presets. Adjusting the Speakers BALANCE: Press and release the P-TYPE LIST/AUDIO knob until BAL appears on the display. Turn the knob clockwise to move the sound to the right speakers and counterclockwise to move the sound to the left speakers. The middle position balances the sound between the speakers. The display will show the speaker balance. To set the balance to the middle position, select the control and press and hold the P-TYPE LIST/AUDIO button. The radio will produce one beep and set the display level to the middle position. To set all tone and speaker controls to the middle position, press and hold the P-TYPE LIST/AUDIO knob when no tone or speaker control is active. The radio will produce one beep and display ALL with the level display in the middle position. 3-26