2011 Chevrolet Express 1500 Cargo Owner's Manual - Page 180

7-6 Infotainment System 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. 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. If the radio has a Bose® audio system, the EQ settings are either MANUAL or TALK. 3. Adjust the setting by doing one of the following: . Turn the f knob clockwise or counterclockwise. Press the ¨ SEEK, or © SEEK. Press the \ FWD, or s REV. Adjusting the Speakers (Balance/Fade) (AM-FM Radio and AM-FM Radio with CD) To adjust the balance or fade: 1. Press ` or press the f knob until the speaker control tab displays. 2. To adjust the setting, do one of the following: . . . . If a station's frequency is weak or if there is static, decrease the treble. To quickly adjust bass, midrange, or treble to the middle position, press the softkey positioned under the BASS, MID, or TREB tab for more than two seconds. A beep sounds and the level adjusts to the middle position. . f knob. Press either ¨ SEEK, or © SEEK. Press either \ FWD, or s REV. Turn the