2005 Chevrolet Astro Owner's Manual - Page 159
2005 Chevrolet Astro Manual
Page 159 highlights
Set the volume at the desired level. Turn the control ring behind the upper knob clockwise to increase the SCV. Each notch on the control ring allows for more volume compensation at faster vehicle speeds. Then, as you drive, SCV automatically increases the volume, as necessary, to overcome noise at any speed. The volume level should always sound the same to you as you drive. To turn SCV off, turn the control all the way down. P.SCAN (Preset Scan): Press this button and the radio will go to the first preset station stored on the pushbuttons, play for a few seconds then go on to the next preset station. P.SCAN will appear on the display. Press this button again or one of the pushbuttons to stop scanning presets. The radio will only scan the preset stations with a strong signal that are in the selected band. Finding a Station AM FM: Press this button to switch between FM1, FM2, and AM. The display will show the selection. TUNE: Press this knob lightly so it extends. Turn it to select radio stations. Push the knob back into its stored position when you are not using it. Press the right or the left arrow to go to the next or previous station and stay there. To scan stations, press and hold either SEEK arrow for two seconds until SCAN appears on the display. The radio will go to a station, play for a few seconds, then go on to the next station. Press either SEEK arrow again to stop scanning. The radio will only seek and scan stations with a strong signal that are in the selected band. Setting Preset Stations Up to 18 stations (six FM1, six FM2, and six AM), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Turn the radio on. 2. Press AM FM to select FM1, FM2, or AM. 3. Tune in the desired station. 4. Press AUTO TONE to select the equalization. 5. Press and hold one of the six numbered pushbuttons. The sound will mute. When it returns, release the pushbutton. Whenever that numbered pushbutton is pressed, the station that was set will return and the equalization that was selected will be stored for that pushbutton. 6. Repeat the steps for each pushbutton. o SEEK p: 3-43