2002 CHEVROLET TRAIL BLAZER reset

3-26
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.
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.
When you use this control, the radio's AUTO TONE
setting will return to manual.
AUTO TONE: This feature allows you to choose preset
bass and treble equalization settings designed for rock,
news, pop, jazz, classical and country stations.
Each time you press the AUTO TONE button, this
feature will change to one of the preset equalization
settings previously listed.
To return the bass and treble to the manual mode, press
and release the P
-TYPE LIST AUDIO control. See
ªSetting Preset Stationsº listed previously to program
the auto tone feature.

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.

3-35
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.
When you use this control, the radio's AUTO TONE
setting will return to manual.
AUTO TONE: This feature allows you to choose preset
bass and treble equalization settings designed for rock,
news, pop, jazz, classical and country stations.
Each time you press the AUTO TONE button, this
feature will change to one of the preset equalization
settings previously listed.
To return the bass and treble to the manual mode, press
and release the P
-TYPE LIST AUDIO control. See
ªSetting Preset Stationsº listed previously to program
the auto tone feature.
If your vehicle has the Bose radio, your audio system
allows you to choose from four different equalization
settings: talk, driver, normal and spatial. These settings
can be used while listening to the radio, the cassette tape
or CD player.Press the AUTO TONE button to scroll through your
choices. Select TALK when listening to non
-musical
material such as news, talk shows, sports broadcasts and
books on tape. This setting makes spoken words sound
very clear. Select DRIVER to give the driver the best
possible sound qualities. Select NORMAL to enhance
the stereo effect. Select SPATIAL to make the listening
space seem larger. When NORMAL is displayed, the
system will provide the best overall Bose performance.
The radio saves separate AUTO TONE settings for each
preset and source.
Adjusting the Speakers (Balance/Fade)
To adjust the balance, press and release the P
-TYPE
LIST AUDIO control until BAL appears on the display.
Turn the control clockwise to move the sound to the
right speakers and counterclockwise to move the sound
to the left speakers.
The middle position balances the sound between the
speakers. To set the balance to the middle position, press
the P
-TYPE LIST AUDIO control briefly, then press it
again and hold it until the radio emits one beep. The
balance will be set to the middle position and the display
will show the speaker balance.

3-41
Cassette Tape Messages
(CHK TAPE): If CHK TAPE appears on the radio
display, the tape won't play because of one of the
following errors.

The tape is tight and the player can't turn the tape
hubs. Remove the tape. Hold the tape with the
open end down and try to turn the right hub
counterclockwise with a pencil. Turn the tape over
and repeat. If the hubs do not turn easily, your tape
may be damaged and should not be used in the
player. Try a new tape to make sure your player is
working properly.

The tape is broken. Try a new tape.

The tape is wrapped around the tape head. Attempt
to get the cassette out. Try a new tape.(CLEAN): If this message appears on the display, the
cassette tape player needs to be cleaned. It will still play
tapes, but you should clean it as soon as possible to
prevent damage to the tapes and player. See ªCare of
Your Cassette Tape Playerº in the Index. After you clean
the player, press and hold the cassette eject button for
five seconds to reset the CLEAN indicator. The radio
display will display CLEANED to show the indicator
was reset.
If any error occurs repeatedly or if an error can't be
corrected, please contact your dealer.
Tight/Loose Tape Sensor Defeat
With the radio off and the ignition on, press and hold the
TAPE CD button to disable the tight/loose tape sensing
feature to enable play of some tape head cleaners and
portable CD adapters. The radio will display READY
and flash the cassette icon. The tight/loose tape sensing
feature will then be disabled until the next time a
cassette is ejected.

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.

3-46
Setting the Tone (Bass/Treble)
AUDIO: To set the bass, press the AUDIO control until
BASS appears on the display. Turn the control to
increase or decrease bass. When you use this control, the
radio's tone setting will switch to custom.
To set the bass to the middle position, select BASS and
press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero. To
set all tone and speaker controls to the middle position,
press and hold the AUDIO control when no tone or
speaker control is active. The radio will produce one
beep and CENTERED will appear on the display.
To set the midrange, press the AUDIO control until MID
appears on the display. Turn the control to increase or
decrease midrange. When you use this control, the
radio's tone setting will switch to custom.
To set the midrange to the middle position, select MID
and press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero.
To set all tone and speaker controls to the middle
position, press and hold the AUDIO control when no
tone or speaker control is active. The radio will produce
one beep and CENTERED will appear on the display.To set the treble, press the AUDIO control until TREB
appears on the display. Turn the control to increase or
decrease treble. When you use this control, the radio's
tone setting will switch to custom. If a station is weak or
noisy, you may want to decrease the treble.
To set treble to the middle position, select TREB and
press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero.
To set all tone and speaker controls to the middle
position, press and hold the AUDIO control when no
tone or speaker control is active. The radio will produce
one beep and CENTERED will appear on the display.
AUTO EQ: This feature allows you to choose preset
bass, midrange and treble equalization settings designed
for country, jazz, talk, pop, rock and classical stations.
The setting last chosen will appear on the display when
you first press AUTO EQ. Each time you press this
button, another setting will appear on the display and
AUTO EQ will switch to one of the preset settings
previously listed.
To return to the manual mode (CUSTOM), press the
AUTO EQ button until CUSTOM appears on the
display. Then you will be able to manually adjust the
bass, midrange and treble using the AUDIO button. To
find out how to do this, see Setting the Tone following.

3-47
If your vehicle has the Bose radio, your audio system
allows you to choose from four different equalization
settings: talk, driver, normal and spatial. These settings
can be used while listening to the radio or the CD player.
Press the AUTO EQ button to scroll through your
choices. Select TALK when listening to non
-musical
material such as news, talk shows, sports broadcasts and
books on tape. This settings makes spoken words sound
very clear. Select DRIVER to give the driver the best
possible sound qualities. Select NORMAL to enhance
the stereo effect. Select SPATIAL to make the listening
space seem larger. When AUTO EQ NORMAL is
displayed, the system will provide the best overall Bose
performance. The radio saves separate AUTO EQ
settings for each preset and source.Adjusting the Speakers
AUDIO (Balance/Fade): The AUDIO control
adjusts balance and fade. To adjust balance, press the
AUDIO control until BAL appears on the display.
Turn the control to adjust the sound to the left or right
speakers. The middle position balances the sound
between the speakers.
To adjust fade, press and hold the AUDIO control until
FAD appears on the display. Turn the control to adjust
the sound to the front or rear speakers. The middle
position balances the sound between the speakers.
To set the balance and fade to the middle position, select
balance or fade and press and hold the AUDIO control.
The radio will beep once and will set the display level to
the middle position.
To set all tone and speaker controls to the middle
position, press and hold the AUDIO control when
tone or speaker controls are not active. The radio
will produce one beep and CENTERED will appear
on the display.