2007 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 294

To store an equalization setting to a preset station perform the following: 1. Tune to the preset station. 2. Press and release the AUTO EQ button to select the equalization setting. Once the equalization no longer appears on the display, the equalization will be set for that preset station. 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. Setting the Tone (Bass/Treble) AUDIO: Push and release the AUDIO knob until BASS or TREB (treble) appears on the display. Turn the knob to increase or to decrease. The display will show the bass or treble level. If a station is weak or noisy, decrease the treble. To adjust the bass or treble to the middle position, while it is displayed, push and hold the AUDIO knob. The radio will produce one beep and adjust the display level 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. 294 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.