Chevrolet 2004 Blazer Owner's Manual page 194

Finding a Program Type (PTY) Station
To select and find a desired PTY perform the
following:
1. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press either
SEEK arrow to take you to the PTY's first station.
4. If you want to go to another station within that PTY
and the PTY is displayed, press either SEEK arrow
once. If the PTY is not displayed, press either
SEEK arrow twice to display the PTY and then to
go to another station.
5. Press P-TYPE to exit program type select mode.
If PTY times out and is no longer on the display,
go back to Step 1.
If both P-TYPE and TRAF are on, the radio will search
for stations with the selected PTY and traffic
announcements.
To use the PTY interrupt feature, press and hold the
P-TYPE button until you hear a beep on the PTY
you want to interrupt with. When selected, an asterisk
will appear beside that PTY on the display. You
may select multiple interrupts if desired. When you are
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listening to a CD, the last selected RDS station will
interrupt play if that selected program type format
is broadcast.
SCAN: You can also scan through the stations within a
PTY by performing the following:
1. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
2. Turn the P-TYPE 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 P-TYPE 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 program type. 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.