2003 GMC Envoy Owner's Manual - Page 210

SCAN: You can also scan through the channels within a cateaow bv Derformina the followina: " . " " . I Setting Preset PTYs The six numbered pushbuttons let you return to your favorite PTYs. These buttons have factory PTY presets. You can set up to 12 PTYs (six FMI and six FM2) by performing the following steps: 1. Press BAND to select FM1 or FM2. 2. Press the P-TYPE button to activate program type select mode. 1. Press the P-TYPE button. P-TYPE and the last selected PTY will be displayed on the screen. 2. Select a category by turning the P-TYPE knob. 3. Once the desired category is displayed, press and hold either SCAN arrow, and the radio will begin scanning within your chosen category. 4. Press either SCAN arrow again to stop at a particular station. AM FM (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. Press and hold AM FM for two seconds to turn alternate frequency on. AF ON will appear on the display. The radio may switch to stronger stations. Press and hold AM FM again for two seconds to turn alternate frequency off. AF OFF will appear on the display. The radio will not switch to other stations. When you turn the ignition off and then on again, the alternate frequency feature will automatically be turned on. 3. Turn the P-TYPE knob to select a PTY. f 4. Press and hold one o the six numbered pushbuttons until you hear a beep. Whenever you press that numbered pushbutton, the PTY you set will return. 5 . Repeat the steps for each pushbutton. 3-85