GM None Pontiac Aztek - Manual (Page 195)

SCAN: You can scan the stations within a PTY by
performing the following:
1. Press PROG TYPE to activate program type select
mode. The PTY symbol will appear on the display.
2. Turn the SELECT knob to select a PTY.
3. Once the desired PTY is displayed, press and hold
either SCAN arrow, and the radio will begin
scanning the stations in the PTY.
4. Press either SCAN arrow to stop at a station.
If both PTY and TRAF are on, the radio will scan for
stations with the selected PTY and traffic
announcements.
BAND (Alternate Frequency): Alternate frequency
allows the radio to switch to a stronger station with the
same programming. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stronger
stations.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
This function does not apply for XM™ Satellite Radio
Service.
Setting Preset PTYs (RDS Only)
The six numbered pushbuttons let you return to your
favorite PTYs. These pushbuttons have factory
PTY presets. You can set up to 12 PTYs (six FM1 and
six FM2) by performing the following steps:
1. Press PROG TYPE to activate program type select
mode. The PTY symbol will appear on the display.
2. Press PROG TYPE, if it is not already on.
3. Turn the SELECT knob to select a PTY.
4. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever you
press that numbered pushbutton, the PTY you
set will return if program type select mode is
activated.
5. Repeat the steps for each pushbutton.
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