2007 GMC Envoy Owner's Manual - Page 263

SCAN: Scan the stations within a PTY by performing the following: 1. Press the TYPE button to activate program type select mode. P-TYPE and the last selected PTY displays. 2. Turn the TYPE knob or press and release the TYPE button to select a PTY. 3. Once the desired PTY displays, press and hold either the TYPE or the SCAN arrows for two seconds, and the radio begins scanning the stations in the PTY. 4. Press either the TYPE or the SCAN arrows to stop scanning. BAND (Alternate Frequency): Alternate frequency lets the radio switch to a stronger station with the same program type. To turn alternate frequency on, press and hold BAND for two seconds. AF ON displays. The radio can switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF displays. The radio does not switch to other stations. This function does not apply for XM™ Satellite Radio Service. Setting Preset PTYs (RDS Only) These pushbuttons have factory PTY presets. Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Press BAND to select FM1 or FM2. 2. Press the TYPE button to activate program type select mode. P-TYPE and the last selected PTY displays. 3. Turn the TYPE knob or press and release the TYPE button to select a PTY. 4. Press and hold one of the six numbered pushbuttons until a beep sounds. When that numbered pushbutton is pressed (while in PTY mode), the PTY that was set, returns. 5. Repeat the steps for each pushbutton. 263