2002 CHEVROLET TRAIL BLAZER buttons

3-15
Setting Preset Stations
The six numbered pushbuttons let you return to
your favorite stations. You can set up to 18 stations
(six AM, six FM1 and six FM2) by performing the
following steps:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO TONE to choose the bass and treble
equalization that best suits the type of station you
are listening to.
5. Press and hold one of the six numbered pushbuttons.
The radio will produce one beep. Whenever you
press that numbered pushbutton, the station you set
will return and the bass and treble equalization that
you selected will also be automatically selected for
that pushbutton.
6. Repeat the steps for each pushbutton.Setting the Tone (Bass/Treble)
P
-TYPE LIST AUDIO: To adjust the bass, press and
release the P
-TYPE LIST AUDIO control until BASS
appears on the display. Then turn the control clockwise
to increase bass and counterclockwise to decrease bass.
The display will show the bass level.
To set the bass to the middle position, press and hold the
P
-TYPE LIST AUDIO control. The radio will produce
one beep and set the display level to the middle position.
To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
To adjust the treble, press and release the P
-TYPE
LIST AUDIO control until TREB appears on the
display. Turn the control clockwise to increase treble
and counterclockwise to decrease treble. The display
will show the treble level. If a station is weak or noisy,
you may want to decrease the treble.

3-25
 SEEK PSCAN
: To seek, press the right arrow to
tune to the next station and the left arrow to tune to the
previous station and stay there.
To scan your preset stations, press and hold one of
the arrows for more than two seconds. The radio will
produce one beep. Use preset scan to listen to each of
your favorite stations stored on your pushbuttons for
a few seconds. The radio will scan through each of the
stations stored on your pushbuttons, except those
stations with weak reception. Press one of the arrows or
one of the pushbuttons again to stop scanning. SCAN
will be displayed whenever the tuner is in the preset
scan mode. The channel number (P1 through P6) will
appear with the frequency. In FM mode, this function
will scan through the current band such as FM1 or FM2.Setting Preset Stations
The six numbered pushbuttons let you return to
your favorite stations. You can set up to 18 stations
(six AM, six FM1 and six FM2) by performing the
following steps:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO TONE to choose the bass and treble
equalization that best suits the type of station you are
listening to.
5. Press and hold one of the six numbered pushbuttons.
The radio will produce one beep. Whenever you
press that numbered pushbutton, the station you set
will return and the bass and treble equalization that
you selected will also be automatically selected for
that pushbutton.
6. Repeat the steps for each pushbutton.

3-33
AUTO VOL: Your system has a feature called
Speed
-Compensated Volume (SCV). With SCV, your
audio system adjusts automatically to make up for road
and wind noise as you drive.
Set the volume at the desired level. Press AUTO VOL
to adjust the SCV. AVOL will appear on the display.
Each time you press AUTO VOL, another volume
setting (LOW, MEDIUM, HIGH or OFF) will appear on
the display. The volume level should always sound the
same to you as you drive. Each volume setting allows
for more volume compensation at faster vehicle speeds.
NONE will appear on the display if the radio cannot
determine the vehicle speed. If you don't want to use
SCV, select OFF.
If your vehicle has the Bose radio, your audio system
monitors the noise inside your vehicle. Then, automatic
volume automatically adjusts the volume of your radio
so that it always sounds the same to you. To use
automatic volume, press the AUTO VOL button until
AVOL ON appears on the display. To turn the automatic
volume off, press the AUTO VOL button until AVOL
OFF appears on the display.Finding a Station
AM FM: Press this button to switch between AM, FM1
and FM2. The display will show your selection.
TUNE DISP: Turn this control to choose radio stations.
Pressing this control will also display an RDS station
frequency or program type when the radio is on.
Pressing this control when the ignition is off will display
the clock.
 SEEK PSCAN
: To seek, press the right arrow to
tune to the next station and the left arrow to tune to the
previous station and stay there.
To scan your preset stations, press and hold one of the
arrows for more than two seconds. The radio will
produce one beep. Use preset scan to listen to each of
your favorite stations stored on your pushbuttons for a
few seconds. The radio will scan through each of the
stations stored on your pushbuttons, except those
stations with weak reception. Press one of the arrows or
one of the pushbuttons again to stop scanning. SCAN
will be displayed whenever the tuner is in the preset
scan mode. The channel number (P1 through P6) will
appear with the frequency. In FM mode, this function
will scan through the current band such as FM1 or FM2.

3-34
Setting Preset Stations
The six numbered pushbuttons let you return to
your favorite stations. You can set up to 18 stations
(six AM, six FM1 and six FM2) by performing the
following steps:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO TONE to choose the bass and treble
equalization that best suits the type of station you
are listening to.
5. Press and hold one of the six numbered pushbuttons.
The radio will produce one beep. Whenever you
press that numbered pushbutton, the station you set
will return and the bass and treble equalization that
you selected will also be automatically selected for
that pushbutton.
6. Repeat the steps for each pushbutton.Setting the Tone (Bass/Treble)
P
-TYPE LIST AUDIO: To adjust the bass, press and
release the P
-TYPE LIST AUDIO control until BASS
appears on the display. Then turn the control clockwise
to increase bass and counterclockwise to decrease bass.
The display will show the bass level.
To set the bass to the middle position, press and hold the
P
-TYPE LIST AUDIO control. The radio will produce
one beep and set the display level to the middle position.
To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
To adjust the treble, press and release the P
-TYPE LIST
AUDIO control until TREB appears on the display.
Turn the control clockwise to increase treble and
counterclockwise to decrease treble. The display will
show the treble level. If a station is weak or noisy, you
may want to decrease the treble.
To set treble to the middle position, press and hold
P
-TYPE LIST AUDIO control. The radio will produce
one beep and set the display level to the middle position.

3-45
Finding a Station
AM FM: Press this button to switch between AM, FM1
and FM2. The display shows your selection.
TUNE RCL P
-TYPE: Turn this control to select
radio stations.


SEEK SCAN: To seek, press the right or left arrow
briefly to go to the next or previous station and stay
there. The sound will mute while seeking.
To scan, press and hold either SEEK SCAN arrow for
two seconds until SC appears on the display and you hear
a beep. Use scan to listen to stations for a few seconds.
The radio will go to a station, stop for a few seconds,
then go on to the next station. Press either SEEK SCAN
arrow again to stop scanning. If you press SEEK SCAN
for more than four seconds, the radio will change to
preset scan mode. The sound will mute while scanning.
To scan your preset pushbuttons, press and hold either
SEEK SCAN arrow for more than four seconds,
PRESET SCAN will appear on the display. You will hear
a double beep and the P will blink with the preset
number. Use PRESET SCAN to listen to each of your
preset stations for a few seconds. The radio will go to a
preset station stored on your pushbuttons, stop for a few
seconds, then go on to the next preset station. Press either
SEEK SCAN arrow again to stop scanning presets.Setting Preset Stations
The six numbered pushbuttons let you return to
your favorite stations. You can set up to 18 stations
(six AM, six FM1 and six FM2) by performing the
following steps:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO EQ to select the equalization that best
suits the type of station selected.
5. Press and hold one of the six numbered pushbuttons
until you hear a beep. Whenever you press that
numbered pushbutton, the station you set will return
and the equalization that you selected will also be
automatically selected for that pushbutton.
6. Repeat the steps for each pushbutton.

3-49
Setting PTY Preset Stations
The six numbered pushbuttons let you return to your
favorite Program Types (PTYs). These buttons have
factory PTY presets. You can set up to 12 PTYs
(six FM1 and six FM2) by performing the
following steps:
1. Press AM FM to select FM1 or FM2.
2. Press P
-TYPE, if it is not already on.
3. Turn the TUNE RCL P
-TYPE control 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.
5. Repeat the steps for each pushbutton.
Radio Announcements
(Alert): Warns of national or local emergencies. You will
not be able to turn off alert announcements. ALERT!
appears on the display when an alert announcement plays.
When an alert announcement comes on the tuned radio
station, you will hear it, even if the volume is muted or a
compact disc is playing. If the compact disc player is
playing, play will stop for the announcement and resume
when the announcement is finished.INFO: If the current station has a message, INFO will
appear on the display. Press this button to see the
message. If the whole message does not appear on the
display, parts of the message will appear every three
seconds until the message is completed. To see the parts
of the message faster than every three seconds, press this
button again. A new group of words will appear on the
display. Once the complete message has been displayed,
INFO will disappear from the display until another new
message is received.
TRAF: Press this button to receive traffic
announcements. The traffic announcement brackets will
appear on the display. TRAF will appear on the display
if the tuned station broadcasts traffic announcements.
If the current tuned station does not broadcast traffic
announcements, the radio will seek to a station that
does. When the radio finds a station that broadcasts
traffic announcements, it will stop. If no station is found,
NONE FOUND will appear on the display.
When a traffic announcement comes on the tuned radio
station or a related network station, you will hear it,
even if the volume is muted or a compact disc is
playing. If the compact disc player was being used, the
compact disc will stay in the player and resume play at
the point where it stopped.

3-55 Rear Seat Audio (If Equipped)
This feature allows rear seat passengers to listen to any
of the music sources including AM
-FM, cassette tapes
or CDs and to use automatic tone control. The rear seat
passengers can only control the music sources that the
front seat passengers are not listening to. For example,
rear seat passengers may listen to a cassette tape or CD
through headphones while the driver listens to the radio
through the front speakers. The rear seat passengers
have control of the volume for each set of headphones.
The front seat audio controls always override the rear
seat audio controls.This feature is intended for rear seat passengers.
The following functions are controlled by the rear seat
audio system buttons:
PWR: Press this button to turn the rear seat audio
system on or off. The rear speakers will be muted when
the power is turned on unless you have a Bose


equipped vehicle. You may operate the rear seat audio
functions even when the primary radio power is off.
VOL: Turn the knob clockwise to increase volume and
counterclockwise to decrease volume. The left VOL
knob controls the left headphone and the right VOL
knob controls the right headphone.
PROG: With a cassette tape in the player and the radio
playing, press this button to play a cassette tape. Press
PROG to switch between the tape and compact disc if
both are loaded. Press PROG again to return to the radio
when a cassette tape or compact disc is playing. The
inactive tape or CD will remain safely inside the radio
for future listening.
SEEK: Press the SEEK button to tune to the next
station and stay there. The display will show your
selection. The sound will mute while seeking.
Press and hold the SEEK button to seek through
your preset radio stations set on your primary radio
pushbuttons. The display will show your selections.