2009 Chevrolet Express Van Owner's Manual - Page 188

Setting the Tone (Bass/Treble) (AM-FM Radio and Radio with CD (Base)) BASS/TREB Bass/Treble: To adjust the bass or treble, press the f knob or the EQ button until the desired tone control label displays. Turn the f knob clockwise or counterclockwise to increase or decrease the setting. The display shows the current bass or treble level. If a station's frequency is weak, or if there is static, decrease the treble. Unique BASS/TREB settings can be saved for each source. To quickly adjust bass, midrange, or treble to the middle position, press the pushbutton positioned under the BASS, MID, or TREB label for more than two seconds and the level adjusts to the middle position. To quickly adjust all tone and speaker controls to the middle position, press the f knob for more than two seconds until a beep sounds. EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. The choices are pop, rock, country, talk, jazz, and classical. Selecting MANUAL or changing bass or treble, returns the EQ to the manual bass and treble settings. Unique EQ settings can be saved for each source. Setting the Tone (Bass/Midrange/Treble) BASS/MID/TREB (Bass, Midrange, or Treble): To adjust bass, midrange, or treble, press the f knob until the tone control labels display. Continue pressing to highlight the desired label, or press the pushbutton positioned under the desired label. Turn the f knob clockwise or counterclockwise to adjust the highlighted setting. You can also adjust the highlighted setting by pressing either SEEK arrow, \ FWD, or s REV button until the desired levels are obtained. If a station's frequency is weak or if there is static, decrease the treble. Adjusting the Speakers (Balance/Fade) (AM-FM Radio and Radio with CD (Base)) ` (Balance/Fade): To adjust the balance or fade, press the ` button or the f knob until the desired speaker control label displays. Turn the f knob clockwise or counterclockwise to adjust the setting. 3-72