2002 GMC Envoy Owner's Manual - Page 199

Press the AUTO TONE button to scroll through your choices. Select TALK when listening to non-musical material such as news, talk shows, sports broadcasts and books on tape. This setting makes spoken words sound very clear. Select DRIVER to give the driver the best possible sound qualities. Select NORMAL to enhance the stereo effect. Select SPATIAL to make the listening space seem larger. When NORMAL is displayed, the system will provide the best overall Bose performance. The radio saves separate AUTO TONE settings for each preset and source. Adjusting the Speakers (Balance/Fade) To adjust the balance, press and release the P-TYPE LIST AUDIO control until BAL appears on the display. Turn the control clockwise to move the sound to the right speakers and counterclockwise to move the sound to the left speakers. The middle position balances the sound between the speakers. To set the balance to the middle position, press the P-TYPE LIST AUDIO control briefly, then press it again and hold it until the radio emits one beep. The balance will be set to the middle position and the display will show the speaker balance. To set all tone and speaker controls to the middle position, press and hold the P-TYPE LIST AUDIO control when no tone or speaker control is active. The radio will produce one beep and display ALL with the level display in the middle position. To adjust the fade, press and release the P-TYPE LIST AUDIO control until FADE appears on the display. Turn the control clockwise to move the sound to the front speakers and counterclockwise to move the sound to the rear speakers. The middle position balances the sound between the speakers. To set the fade to the middle position, press the P-TYPE LIST AUDIO control briefly, then press it again and hold it until the radio emits one beep. The fade will be set to the middle position and the display will show the speaker balance. To set all tone and speaker controls to the middle position, press and hold the P-TYPE LIST AUDIO control when no tone or speaker control is active. The radio will produce one beep and display ALL with the level display in the middle position. 3-25