2005 GMC Envoy Owner's Manual - Page 227

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 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. 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. 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. 4. To go to another station within that PTY, press the TYPE button then, press either the TYPE or the SEEK arrows once. 5. Press either the TYPE or the SEEK arrows twice to exit program type select mode. If the radio cannot find the desired program type, NONE will appear on the display and the radio will return to the last station you were listening to. SCAN: Scan the stations within a PTY by performing the following: 1. Press the TYPE button to activate program type select mode. TYPE and the last selected 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 hold either the TYPE or the SCAN arrows for two seconds, and the radio will begin scanning the stations in the PTY. 4. Press either the TYPE or the SCAN arrows to stop scanning. 3-91 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.