ignition HUMMER H2 2004 Workshop Manual

Radio with Cassette and CD
Playing the Radio
PWR (Power):Press this knob to turn the system on
and off.
VOL (Volume):Turn this knob to increase or to
decrease volume.AUTO VOL (Automatic Volume):With automatic
volume, your audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation as vehicle speed increases.
To turn automatic volume off, press this button until
AVOL OFF appears on the display.
DISPL (Display):Press this knob to switch the display
between the radio station frequency and the time.
Time display is available with the ignition turned off.
For RDS, press the DISPL knob to change what appears
on the display while using RDS. The display options
are station name, RDS station frequency, PTY, and the
name of the program (if available).
To change the default on the display, press the DISPL
knob until you see the display you want, then hold
the knob for two seconds. The radio will produce one
beep and the selected display will now be the default.
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Radio Messages
CAL ERR (Calibration Error):Your audio system has
been calibrated for your vehicle from the factory. If
CAL ERR appears on the display, it means that your
radio has not been congured properly for the vehicle
and must be returned to the dealer for service.
LOCKED:This message is displayed when the
THEFTLOCK
®system has locked up. You must return
to the dealer for service.
Playing a Cassette Tape
Your tape player is built to work best with tapes that are
up to 30 to 45 minutes long on each side. Tapes
longer than that are so thin they may not work well in
this player. The longer side with the tape visible should
face to the right. If the ignition is on, but the radio is
off, the tape can be inserted and will begin playing. A
tape symbol is shown on the display whenever a tape is
inserted. If you hear nothing or hear a garbled sound,
the tape may not be in squarely. Press the eject button
to remove the tape and start over.
While the tape is playing, use the VOL, AUDIO, and
SEEK controls just as you do for the radio. TAPE
will appear on the display and an arrow showing which
side of the tape is playing. The tape player automatically
begins playing the other side when it reaches the
end of the tape.If you want to insert a tape while the ignition is off, rst
press the eject button or the DISPL knob. Cassette
tape adapter kits for portable CD players will work in
your cassette tape player.
Your tape bias is set automatically when a metal or
chrome tape is inserted.
If an error appears on the display, see “Cassette Tape
Messages” later in this section.
1 PREV (Previous):Your tape must have at least three
seconds of silence between each selection for previous
to work. Press this pushbutton to go to the previous
selection on the tape if the current selection has been
playing for less than three seconds. If pressed when the
current selection has been playing from 3 to 13 seconds,
it will go to the beginning of the previous selection or
the beginning of the current selection, depending upon
the position on the tape. If pressed when the current
selection has been playing for more than 13 seconds, it
will go to the beginning of the current selection.
SEEK and a negative number will appear on the display
while the cassette player is in the previous mode.
Pressing this pushbutton multiple times will increase the
number of selections to be searched back, up to -9.
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Cassette Tape Messages
CHK TAPE (Check Tape):If CHK TAPE appears on
the display, the tape will not play because of one of the
following errors:
The tape is tight and the player cannot 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. SeeCare
of Your Cassette Tape Player on page 3-90.
If the cassette tape is not playing correctly, for any other
reason, try a known good CD.If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer. If your radio displays an
error message, write it down and provide it to your
dealer when reporting the problem.
CD Adapter Kits
It is possible to use a portable CD player with your
cassette tape player after activating the bypass feature
on your tape player.
To activate the bypass feature, perform the following
steps:
1. Turn the ignition on.
2. Turn the radio off.
3. Press and hold the TAPE DISC button for ve
seconds. READY will appear on the display and
the tape symbol on the display will ash, indicating
the feature is active.
4. Insert the adapter into the cassette tape slot. It will
power up the radio and begin playing.
The override feature will remain active until the eject
button is pressed.
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Playing a CD
Insert a CD partway into the slot, label side up. The
player will pull it in and the CD should begin playing. The
CD symbol will appear on the display. If you want to
insert a CD with the ignition off, rst press the eject
button or the DISPL knob.
If you turn off the ignition or radio with the CD in the
player, it will stay in the player. When you turn on
the ignition or the radio, the CD will start playing, where
it stopped, if it was the last selected audio source.
As each new track starts to play, the track number will
appear on the display.
If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. You may experience an
increase in skipping, difficulty in nding tracks, and/or
difficulty in loading and ejecting. If these problems occur
try a known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
Do not play 3 inch CDs without a standard adapter CD.
If an error appears on the display, see “CD Messages”
later in this section.1 PREV (Previous):Press this pushbutton to go to the
beginning of the current track if it has been playing
for more than eight seconds. TRACK and the track
number will appear on the display. If you hold this
pushbutton or press it more than once, the player will
continue moving backward through the CD.
2 NEXT:Press this pushbutton to go to the next track.
TRACK and the track number will appear on the
display. If you hold this pushbutton or press it more than
once, the player will continue moving forward through
the CD.
3 REV (Reverse):Press and hold this pushbutton to
reverse quickly within a track. Press and hold this
pushbutton for less than two seconds to reverse at
six times the normal playing speed. Press and hold it for
more than two seconds to reverse at 17 times the
normal playing speed. Release the pushbutton to play
the passage. ET and the elapsed time of the track
will appear on the display.
3-72

4 FWD (Forward):Press and hold this pushbutton to
advance quickly within a track. Press and hold this
pushbutton for less than two seconds to advance at
six times the normal playing speed. Press and hold it for
more than two seconds to advance at 17 times the
normal playing speed. Release the pushbutton to play the
passage. ET and the elapsed time of the track will appear
on the display.
6 RDM (Random):Press this pushbutton to hear the
tracks in random, rather than sequential, order. RDM ON
will appear on the display. RDM T and the track
number will appear on the display when each track
starts to play. Press this pushbutton again to turn
off random play. RDM OFF will appear on the display.
qSEEKr:Press the left arrow to go to the start
of the current or to the previous track. Press the
right arrow to go to the start of the next track. If you
hold either arrow or press it more than once, the player
will continue moving backward or forward through
the CD.
qPSCANr:Press and hold either SCAN arrow for
more than two seconds until SCAN appears on the
display and you hear a beep. The radio will go to the next
track, play for 10 seconds, then go on to the next track.
Press either SCAN arrow again, to stop scanning.DISPL (Display):Press this knob to see how long the
current track has been playing. ET and the elapsed
time will appear on the display. To change the default
on the display (track or elapsed time), press the
knob until you see the display you want, then hold the
knob for two seconds. The radio will produce one
beep and the selected display will now be the default.
BAND:Press this button to listen to the radio when
a cassette tape or CD is playing. The inactive tape or
CD will remain safely inside the radio for future listening.
TAPE DISC:Press this button to play a cassette
tape or CD when listening to the radio. The inactive
tape or CD will remain safely inside the radio for future
listening.
Z(Eject):Press this button to stop a CD when it is
playing or to eject a CD when it is not playing. Eject
may be activated with either the ignition or radio off. CDs
may be loaded with the radio and ignition off if this
button is pressed rst.
3-73

Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation as vehicle speed increases.
To turn automatic volume off, press this button until
AVOL OFF appears on the display.
RCL (Recall):Press this knob to switch the display
between the radio station frequency and the time. Press
this knob with the ignition off to display the time.
To change the default on the display, press the RCL
knob until you see the display you want, then hold the
knob until the display ashes. The selected display
will now be the default.
Finding a Station
BAND:Press this button to switch between FM1, FM2,
or AM. The display will show your selection.
TUNE:Turn this knob to select radio stations.
sSEEKt:Press the right or the left arrow to go to
the next or to the previous station and stay there.
The radio will seek only to stations that are in the
selected band and only to those with a strong signal.
sSCANt:Press and hold either SCAN arrow
for two seconds until SC appears on the display and
you hear a beep. The radio will go to a station, play for
a few seconds, then go on to the next station. Press
either SCAN arrow again to stop scanning.
To scan preset stations, press and hold either SCAN
arrow for more than four seconds. PRESET SCAN will
appear on the display and you will hear a double
beep. The radio will go to a preset station stored on
your pushbuttons, play for a few seconds, then go on to
the next preset station. Press either SCAN arrow
again to stop scanning presets.
The radio will scan only to stations that are in the
selected band and only to those with a strong signal.
3-75

LOAD CDZ:Press the LOAD side of this button to
load CDs into the CD player. This CD player will
hold up to six CDs.
To insert one CD, do the following:
1. Turn the ignition on.
2. Press and release the LOAD side of the LOAD CD
button.
3. Wait for the light, located to the right of the slot, to
turn green.
4. Load a CD. Insert the CD partway into the slot,
label side up. The player will pull the CD in.
When a CD is inserted, the CD symbol will appear on
the display. If you select an equalization setting for your
CD, it will be activated each time you play a CD.
The CD will begin to play automatically.
As each new track starts to play, the track number will
appear on the display.
To insert multiple CDs, do the following:
1. Turn the ignition on.
2. Press and hold the LOAD side of the LOAD CD
button for two seconds.
You will hear a beep and the light, located to the
right of the slot, will begin to ash and LOAD
ALL will appear on the display.3. Once the light stops ashing and turns green, load
a CD. Insert the CD partway into the slot, label side
up. The player will pull the CD in.
Once the CD is loaded, the light will begin ashing
again. Once the light stops ashing and turns green
you can load another CD. The CD player takes up to
six CDs. Do not try to load more than six.
To load more than one CD but less than six, complete
Steps 1 through 3. When you have nished loading
CDs, with the radio on or off, press the LOAD side of the
LOAD CD button to cancel the loading function. The
radio will begin to play the last CD loaded.
When a CD is inserted, the CD symbol will appear on
the display. If more than one CD has been loaded,
a number for each CD will be displayed. If you select an
equalization setting for your CD, it will be activated
each time you play a CD.
The last CD loaded will begin to play automatically.
As each new track starts to play, the track number will
appear on the display.
3-81

When cleaning the cassette tape player with the
recommended non-abrasive cleaning cassette, it is
possible that the cassette may eject, because the cut
tape detection feature on your radio may recognize it as
a broken tape, in error. To prevent the cleaning
cassette from being ejected, use the following steps:
1. Turn the ignition on.
2. Turn the radio off.
3. Press and hold the TAPE DISC button for ve
seconds. READY will appear on the display and
the cassette symbol will ash for ve seconds.
4. Insert the scrubbing action cleaning cassette.
5. Eject the cleaning cassette after the manufacturer’s
recommended cleaning time.
When the cleaning cassette has been ejected, the cut
tape detection feature is active again.You may also choose a non-scrubbing action, wet-type
cleaner which uses a cassette with a fabric belt to
clean the tape head. This type of cleaning cassette will
not eject on its own. A non-scrubbing action cleaner
may not clean as thoroughly as the scrubbing type
cleaner. The use of a non-scrubbing action, dry-type
cleaning cassette is not recommended.
After you clean the player, press and hold the eject
button for ve seconds to reset the CLEAN indicator.
The radio will display --- or CLEANED to show the
indicator was reset.
Cassettes are subject to wear and the sound quality
may degrade over time. Always make sure the cassette
tape is in good condition before you have your tape
player serviced.
3-91

Care of Your CDs and DVDs
Handle discs carefully. Store them in their original cases
or other protective cases and away from direct sunlight
and dust. If the surface of a disc is soiled, dampen
a clean, soft cloth in a mild, neutral detergent solution
and clean it, wiping from the center to the edge.
Be sure never to touch the side without writing when
handling discs. Pick up discs by grasping the outer
edges or the edge of the hole and the outer edge.
Care of Your CD and DVD Player
The use of CD lens cleaners for CDs is not advised, due
to the risk of contaminating the lens of the CD optics
with lubricants internal to the CD mechanism.
Cleaning the Video Screen
Pour some isopropyl or rubbing alcohol on a clean cloth
and gently wipe the video screen. Do not spray
directly onto the screen and do not press too hard or
too long on the video screen.
Fixed Mast Antenna
The xed mast antenna can withstand most car washes
without being damaged. If the mast should ever
become slightly bent, you can straighten it out by hand.
If the mast is badly bent, you should replace it.
Check occasionally to be sure the mast is still tightened.
Chime Level Adjustment
The volume level of the vehicle’s chimes can be
controlled by the radio. To change the volume level,
press and hold pushbutton 6 with the ignition on and the
radio power off. The chime volume level will change
from the normal level to loud, and LOUD will appear on
the display. To change back to the default or normal
setting, press and hold pushbutton 6 again. The chime
level will change from the loud level to normal, and
NORMAL will appear on the display.
3-92

Another feature of this system is the Traction Control 2
(TC2) mode. TC2 should be selected for improved
traction and system performance when the vehicle is on
loose surfaces such as deep sand or mud.
To enter this mode,
press the TC2 button
located on the instrument
panel to the right of
the steering wheel.
TC2 only operates in the following transfer case modes:
4HI Lock
4LO Lock
4LO Lock and Rear Axle Lock
SeeLocking Rear Axle on page 4-11for more
information on the rear axle lock.It will not operate in 4HI. If the TC2 button is pressed
while in 4HI, the light will ash for about 15 seconds and
then go out. The light should also come on briey
when you turn the ignition key to RUN; if it doesn’t see
your dealer for service.
If you restart your engine, the system reverts to the
standard TCS mode.
The traction off light will
come on when a Traction
Control System or
Anti-Lock Brake System
problem has been detected
and the vehicle needs
service. SeeTraction Off
Light on page 3-35.
When the traction off light is on, adjust your driving
accordingly.
The traction control system, as delivered from the
factory, will automatically come on whenever you start
your vehicle.
4-10