Chevrolet Silverado Classic 2007 Owner's Manual page 309

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 appears 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 begins
scanning the stations in the PTY.
4. Press either the TYPE or the SCAN arrows
to stop at a station.
BAND (Alternate Frequency): Alternate
frequency allows the radio to switch to a stronger
station with the same program type. To turn
alternate frequency on, press and hold BAND for
two seconds. AF (alternate frequency) ON appears
on the display. The radio may switch to stations
with a stronger frequency.
To turn alternate frequency off, press and hold
BAND again for two seconds. AF OFF appears
on the display. The radio does not switch to other
stations.
This function does not apply for XM™ Satellite
Radio Service.
Setting Preset PTYs (RDS Only)
These buttons 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. TYPE and the last selected
PTY appears on the display.
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 you hear a beep.
Whenever that numbered pushbutton
is pressed, while in PTY select mode,
the PTY that was set returns.
5. Repeat the steps for each pushbutton.
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