2007 Chevrolet Silverado 2500 Pickup Owner's Manual - Page 304

AUTO EQ (Automatic Equalization): Press this button to select customized equalization settings designed for country/western, jazz, talk, pop, rock, and classical. Selecting CUSTOM or changing bass or treble, returns the EQ to the manual bass and treble settings. The radio will save separate AUTO EQ settings for each preset and source. If the radio is equipped with the Bose® audio system, the equalization settings are either CUSTOM or TALK. To adjust the balance or fade to the middle position while it is displayed, push the AUDIO knob, then push it again and hold it until the radio produces one beep. The balance or fade will be adjusted to the middle position. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. ALL CENTERED will appear on the display, you will hear a beep, and the display level will be adjusted to the middle position. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, push and release the AUDIO knob until BAL (balance) appears on the display. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and the rear speakers, push and release the AUDIO knob until FADE appears on the display. Turn the knob to move the sound toward the front or the rear speakers. Finding a Program Type (PTY) Station (RDS and XM™) To select and find a desired PTY perform the following: 1. Press the TYPE button to activate program type select mode. TYPE and a PTY will appear on the display. 2. Turn the TYPE knob or press and release the TYPE button to select a PTY. 3. Once the desired PTY is displayed, press and release either the TYPE or the SEEK arrows to select and to take you to the PTY's first station. 304