2007 GMC Yukon Owner's Manual - Page 299

Setting the Tone (Bass/Treble) BASS/MID/TREB (Bass, Midrange, or Treble): To adjust bass, midrange, or treble, press the tune knob until the tone control labels appear on the display. Continue pressing to highlight the desired label, or press the pushbutton positioned under the desired label. Turn the tune knob clockwise or counterclockwise to adjust the highlighted setting. 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 pushbutton positioned under the BASS, MID, or TREB label for more than two seconds. You will hear a beep and the level will be adjusted to the middle position. To quickly adjust all tone and speaker controls to the middle position, press the tune knob for more than two seconds until you hear a beep. EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. Your 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. If your radio is equipped with a Bose® audio system, your EQ settings are either MANUAL or TALK. Adjusting the Speakers (Balance/Fade) BAL/FADE (Balance/Fade): To adjust balance or fade, press the tune knob until the speaker control labels appear on the display. Press the pushbutton positioned under the desired label. Turn the tune knob clockwise or counterclockwise to adjust the highlighted setting. You can also adjust the highlighted setting by pressing either the SEEK, FWD, or REV button until the desired levels are obtained. To quickly adjust balance or fade to the middle position, press the pushbutton positioned under the BAL or FADE label for more than two seconds. You will hear a beep and the level will be adjusted to the middle position. To quickly adjust both the balance and fade to the middle position at one time, press the tune knob for more than two seconds until you hear a beep. If the rear seat audio (RSA) is turned on, the radio will disable FADE and mute the rear speakers. 299