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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Entertainment System >> Description and Operation >> Radio/Audio System Description and Operation >> Setting the Tone (Uplevel) >> Auto Tone

Auto Tone

  1. The automatic tone control (ATC) feature tailors the equalization to the type of broadcast being received.
  2. Press AUTO TONE in order to step through the 6 preset equalization settings of CLASSIC, NEWS, ROCK, POP, JAZZ, or C/W (Country Western).

    Note the graph and words in the display for each press of the push button.

  3. 1 or more presses of the AUTO TONE push button brings up manual (MAN) and return the control of tone back to the TREB and BASS controls.
  4. Any time that a BASS or TREB control rotates, the tone automatically sets to MAN.
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