lock CHEVROLET ASTRO 1997 2.G Service Manual

Downloaded from www.Manualslib.com manuals search engine AM-FM Stereo with Cassette Tape Player
(If Equipped)
Playing the Radio
VOLUME: This knob turns the system on and off and
controls the volume.
To increase volume and turn the
radio on,
turn the knob clockwise. Turn it
counterclockwise to decrease volume.
RECALL: Display the time with the ignition off by
pressing this knob. When the radio
is playing, press this
knob
to recall the station frequency.
Finding a Station
AM-FM: Press the lower knob to switch between AM,
FMl and FM2.
TUNE: Turn the lower knob to tune in radio stations.
SEEK: Press the right arrow to tune to the next higher
station and
the left arrow to tune to the next lower
station and stay there.
PUSHBUTTONS: The four numbered pushbuttons let
you return to your favorite stations. You can set up to
2
1 stations (seven AM, seven FM 1 and seven FM2).
Just:
1. Turn the radio on.
2. Press AM-FM to select the band.
3. Tune in the desired station.
4. Press SET. (SET will appear on the display.)
5. Press and hold one of the four pushbuttons, within
five seconds. Whenever you press that numbered
button, the station
you set will return.
6. Repeat the steps for each pushbutton.
3-11

Downloaded from www.Manualslib.com manuals search engine Playing a Cassette Tape
Your tape player is built to worK Des1 with tapes that are
30 to 45 minutes long on each side. Tapes longer than
that are so
thin they may not work well in this player.
Once the tape is playing, use the knobs for
VOLUME, BAL
FADE, BASS and TREB just as you do for the radio.
REV. Press the SEEK left arrow to reverse the
cassette tape. Press
the SEEK right arrow to stop
reversing the tape.
FWD: Press the SEEK right arrow to advance the
cassette tape. Press the SEEK
left arrow to stop
forwarding the tape.
RECALL: Press this knob to switch tape sides.
EJECT: Press this button to remove the tape or stop the
tape and play the radio. If
you leave a cassette tape in the
player while listening to the radio, it may become warm.
CLN: 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 “Care of
Your Cassette Tape Player” in the Index. After you clean
the player, press and hold
EJECT for five seconds to
reset
the CLN indicator. The radio will display --- to
show
the indicator was reset.
AM-FM Stereo with Cassette Tape and
Automatic Tone Control (If Equipped)
Playing the Radio
PWR-VOL:
Press this knob to turn the system on and
off. To increase volume, turn the knob clockwise. Turn
it counterclockwise to decrease volume. The knob is
capable of being rotated continuously.
RECALL: Display the time with the ignition off by
pressing this button. When the radio is playing, press
this button to recall the station frequency.
3-13

Downloaded from www.Manualslib.com manuals search engine SCV 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. Move the control ring behind the upper
knob clockwise to adjust
the SCV. Then, as you drive,
SCV automatically increases
the volume, as necessary,
to overcome noise at any particular speed. The volume
level should always sound the same
to you as you drive.
If you don’t want to use SCV, turn the control all the
way down. Each detent
on the control ring allows for
more volume compensation at a faster rate of speed.
Finding a Station
AM-FM:
Press this button to switch between AM, FM1
and FM2. The display will show your selection.
TUNE: Press this knob lightly so it extends. Turn it to
choose radio stations. Push the knob back into its stored
position when you’re not using
it.
SEEK: Press the right arrow to tune to the next higher
station and the left arrow to tune to the next lower station
and stay there. The sound will mute while seeking.
SCAN: Press and hold SEEK for two seconds until
SCAN appears on
the display. SCAN allows you to
listen to stations for a few seconds. The receiver will
continue
to scan and momentarily stop at each station
until you press the button again. The sound will mute
while scanning.
PUSHBUTTONS: The six numbered pushbuttons let
you return to your favorite stations.
You can set up to
18 stations (six AM, six FM 1 and six FM2). Just:
1.
2.
3.
4.
5.
6.
Turn the radio on.
Press AM-FM
to select the band.
Tune
in the desired station.
Press AUTO
TONE to select the setting you prefer.
Press and hold one
of the six pushbuttons. The sound
will mute. When it returns, release the button.
Whenever
you press that numbered button, the
station
you set will return and the tone you selected
will be automatically selected for that button.
Repeat the steps for each pushbutton.
3-14

Downloaded from www.Manualslib.com manuals search engine P.SCAN: The preset scan button lets you scan through
your favorite stations stored
on your pushbuttons. Select
either the
AM, FM 1 or FM2 mode and then press
PSCAN.
It will scan through each station stored on your
pushbuttons and stop for
a few seconds before continuing
to scan through all of the pushbuttons. Press €?SCAN
again or one of the pushbuttons to stop scanning
to listen
to a specific preset station. P.SCAN will light up
on the
display while
in this mode. If one of the stations stored on
a pushbutton
is too weak for the location you are in, the
radio display will show the channel number (Pl-P6)
for
several seconds before advancing to the next preset station.
Setting the Tone
BASS:
Press lightly on this knob to release it from its
stored position. Turn
the knob clockwise to increase bass
and counterclockwise to decrease bass. When the BASS
control is rotated, the AUTO TONE display will go blank.
TREB: Press lightly on this knob to release it from its
stored position. Turn the knob clockwise to increase
treble and counterclockwise
to decrease treble. When
the TREB control is rotated,
the AUTO TONE display
will go blank. If a station is weak or noisy, you may
want
to decrease the treble.
Push
these knobs back into their stored positions when
you’re not using them.
AUTO TONE: Press this button to select among the six
preset equalization settings and tailor the sound to the
music or voice being heard. Each time
you press the
button, the selection will switch to one of the preset
settings
of CLASSIC, NEWS, ROCK, POP, C/W
(CountryNestern)
or JAZZ. To return to the manual
mode, press and release this button
until the AUTO
TONE display goes blank. This will return the tone
adjustment to the BASS and TREB controls.
If a BASS
or TREB control is rotated, the AUTO TONE display
will go blank.
Adjusting the Speakers
BAL: Press lightly on this knob to release it from its
stored position. Turn
the control clockwise to adjust
sound to the right speakers and counterclockwise to
adjust sound
to the left speakers. The middle position
balances the sound between the speakers.
FADE: Press lightly on this knob to release it from its
stored position. Turn the control clockwise to adjust the
sound to the front speakers and counterclockwise for the
rear speakers. The middle position balances
the sound
between the speakers.
Push these knobs back
into their stored positions when
you’re
not using them.
3-15

Downloaded from www.Manualslib.com manuals search engine Rear Seat Audio (If Equipped)
This feature allows rear seat passengers to listen to a
different music source than the front seat passengers
including
AM-FM automatic tone control and cassette
tapes. For example, rear seat passengers may listen to a
cassette tape through headphones while
the driver listens
to
the radio through the front speakers. The rear seat
passengers have control
of the volume for each
headphone. Be aware that the front seat audio controls
always override the rear seat audio controls.
Note that this feature is intended for rear seat
passengers. Please
do not use headphones while driving.
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. You may operate the rear seat
audio functions even when the primary radio power
is off.
VOL: Press this knob lightly so it extends.
Turn the knob clockwise to increase volume and
counterclockwise
to decrease volume. Push the knob
back
in to its stored position when you’re not using it.
The upper VOL knob controls the upper headphone and
the lower
VOL knob controls the lower headphone.
AM-FM: Press this button to switch between AM, FM 1
and FM2. If the front passengers are already listening to
AM-FM, the rear seat audio controller will not switch
between the bands and cannot change the frequency.
SEEK: Press the up arrow to tune to the next higher
station and stay there. Press the down arrow to tune
to
the next lower station and stay there. The sound will
mute while seeking. The
SEEK button is inactive if the
AM-FM mode on the front radio is in use.
While listening to
a cassette tape, press the up arrow to
hear
the next selection on the tape. Press the down arrow
to go back to the previous selection.
3-18

Downloaded from www.Manualslib.com manuals search engine SCAN: Press and hold SEEK until the radio goes into
SCAN mode. SCAN allows you to listen to stations for
a few seconds. The receiver will continue
to scan and
momentarily stop at each station
until you press
SEEK again.
P.SET PROG: The front passengers must be listening
to something different for each of these three functions
to work:
Press this button to seek through your preset radio
stations set
on your primary radio pushbuttons.
When a cassette tape is playing, press this button to
go
to the other side of the tape.
TAPE CD: With a cassette tape in the player and the
radio playing, press this button to play a cassette tape.
Press
AM-FM to return to the radio when a cassette tape
is playing. The inactive tape will remain safely inside
the radio for future listening.
AM-FM Stereo with Compact Disc Player
and Automatic Tone Control
(If Equipped)
Playing the Radio
PWR-VOL: Press this knob to turn the system on and
off.
To increase volume, turn this knob clockwise. Turn
it counterclockwise to decrease volume. The knob is
capable of rotating continuously.
RECALL: Display the time with the ignition off by
pressing this button. When
the radio is playing, press
this button to recall the station frequency.
3-19

Downloaded from www.Manualslib.com manuals search engine SCV 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. Move the control ring behind the upper
knob clockwise
to adjust the SCV. Then, as you drive,
SCV automatically increases the volume, as necessary,
to overcome noise at any particular speed. The volume
level should always sound the same
to you as you drive.
If you don’t want to use SCV, turn the control all the
way down. Each detent
on the control ring allows for
more volume compensation at a faster rate
of speed.
Finding a Station
AM-FM: Press this button to switch between AM, FM 1
and FM2. The display will show your selection.
TUNE: Press this knob lightly so it extends. Turn it to
choose radio stations. Push
the knob back into its stored
position when you’re not using it.
SEEK: Press the right mow to tune to the next higher
station and the left arrow to tune
to the next lower station
and stay there. The sound will mute while seeking.
SCAN: Press and hold SEEK for two seconds until
SCAN appears on the display. SCAN allows you to
listen to stations for
a few seconds. The receiver will
continue to scan and momentarily stop at each station
until you press the button again. The sound will mute
while scanning.
PUSHBUTTONS: The six numbered pushbuttons let
you return to your favorite stations. You can set up
to
18 stations (six AM, six FM 1 and six FM2). Just:
1. Turn the radio on.
2. Press AM-FM to select the band.
3. Tune in the desired station.
4. Press AUTO TONE to select the setting you prefer.
5. Press and hold one of the six pushbuttons. The sound
will mute. When
it returns, release the button.
Whenever you press that numbered button, the
station
you set will return and the tone you selected
will be automatically selected for that button.
6. Repeat the steps for each pushbutton.
3-20

Downloaded from www.Manualslib.com manuals search engine P.SCAN: The preset scan button lets you scan through
your favorite stations stored on your pushbuttons. Select
either the AM, FMl
or FM2 mode and then press
P.SCAN.
It will scan through each station stored on your
pushbuttons and stop for a few seconds before continuing
to scan through all of the pushbuttons. Press PSCAN
again or one of the pushbuttons
to stop scanning to listen
to a specific stored station. PSCAN
will light up on the
display while
in this mode. If one of the stations stored on
a pushbutton is too weak for the location you are in, the
radio display will show the channel number (Pl-P6) for
several seconds before advancing
to the next preset station.
Setting the Tone
BASS:
Press lightly on this knob to release it from its
stored position. Turn the knob clockwise to increase bass
and counterclockwise to decrease bass. When the BASS
control is rotated, the AUTO TONE display will
go blank.
TREB: Press lightly on this knob to release it from its
stored position. Turn the knob clockwise to increase
treble and counterclockwise
to decrease treble. When
the TREB control is rotated, the AUTO TONE display
will go blank.
If a station is weak or noisy, you may
want
to decrease the treble.
Push these knobs back into their stored positions when
you’re
not using them.
AUTO TONE: Press this button to select among the six
preset equalization settings and tailor the sound
to the
music or voice being heard. Each time you press the
button, the selection will switch
to one of the preset
settings of CLASSIC, NEWS, ROCK, POP,
CN
(CountryNestern) or JAZZ. To return to the manual
mode, press and release
this button until the AUTO
TONE display goes blank. This will return the tone
adjustment
to the BASS and TREB controls. If a BASS
or TREB control is rotated,
the AUTO TONE display
will go blank.
Adjusting the Speakers
BAL: Press lightly on this knob to release it from its
stored position. Turn the control clockwise to adjust
sound to the right speakers and counterclockwise
to
adjust sound to the left speakers. The middle position
balances the sound between
the speakers.
FADE: Press lightly on this knob to release it from its
stored position. Turn the control clockwise to adjust the
sound
to the front speakers and counterclockwise for
rear speakers. The middle position balances
the sound
between the speakers.
Push these knobs back
into their stored positions when
you’re not using them.
3-21

Downloaded from www.Manualslib.com manuals search engine Theft-Deterrent Feature
THEFTLOCK TM is designed to discourage theft of your
radio.
It works by using a secret code to disable all radio
functions whenever battery power
is removed.
The THEFTLOCK feature for the radio may be used or
ignored.
If ignored, the system plays normally and the
radio
is not protected by the feature. If THEFTLOCK is
activated, your radio will not operate if stolen.
When THEFTLOCK is activated, the radio
will display
LOC
to indicate a locked condition anytime battery
power
is removed. If your battery loses power for any
reason,
you must unlock the radio with the secret code
before
it will operate.
Activating the Theft-Deterrent Feature
The instructions which follow, explain how to enter your
secret code to activate the THEFTLOCK system.
It is
recommended that you read through
all nine steps
before starting the procedure.
NOTE:
If you allow more than 15 seconds to elapse
between any steps,
the radio automatically reverts to
time and you must start the procedure over at Step
4.
1. Write down any three or four-digit number from
000 to 1999 and keep it in a safe place separate from
the vehicle.
2. Turn the ignition to ACCESSORY or RUN.
3. Turn the radio off.
4. Press the 1 and 4 buttons together, Hold them down
until --- shows on the display. Next you will use the
secret code number which you have written down.
5. Press MN and 000 will appear on the display.
6. Press MN again to make the last two digits agree
with your code.
7. Press HR to make the first one or two digits agree
with your code.
8. Press AM-FM after you have confirmed that the
code matches the secret code
you have written down
The display will show
REP to let you know that you
need to repeat Steps 5 through 7 to confirm your
secret code.
9. Press AM-FM and this time the display will show
SEC to let you know that your radio is secure. The
indicator by the volume control
will begin flashing
when the ignition is turned off.
3-26

Downloaded from www.Manualslib.com manuals search engine Unlocking the Theft-Deterrent Feature After a
Power
Loss
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. LOC appears when the ignition is on.
2. Press MN and 000 will appear on the display.
3. Press MN again to make the last two digits agree
with your code.
4. Press HR to make the first one or two digits agree
with your code.
5. Press AM-FM after you have confirmed that the
code matches
the secret code you have written down.
The display will show SEC, indicating the radio is
now operable and secure.
If you enter
the wrong code eight times, INOP will
appear
on the display. You will have to wait an hour
with the ignition
on before you can try again. When you
try again, you will only have three chances to enter the
correct code before INOP appears.
If
you lose or forget your code, contact your dealer.
Disabling the Theft-Deterrent Feature
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition to ACCESSORY or RUN.
2. Turn the radio off.
3. Press the 1 and 4 buttons together. Hold them down
until
SEC shows on the display.
4. Press MN and 000 will appear on the display.
5. Press MN again to make the last two digits agree
with your code.
6. Press HR to make the first one or two digits agree
with your code.
7. Press AM-FM after you have confirmed that the
code matches the secret code
you have written down.
The display will show
---, indicating that the radio is
no longer secured.
If the code entered is incorrect, SEC will appear on the
display. The radio will remain secured
until the correct
code is entered.
When battery power is removed and later applied to
a
secured radio, the radio won’t turn on and LOC will
appear
on the display.