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FM/AM Compact Disc Player
Owner's Record
For your convenience, record the serial number (you will find
them on the bottom side of your set) in the space provided
below. Please refer to them when you contact your AIWA
dealer in case of difficulty.
Model No. CDC-X437
Serial No.
2003 Sony Corporation

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·Use only in a 12-volt DC negative-ground electrical
·Disconnect the vehicle's negative battery terminal
while mounting and connecting the unit.
·When replacing the fuse, be sure to use one with an
identical amperage rating. Using a fuse with a higher
amperage rating may cause serious damage to the
·Do NOT attempt to disassemble the unit. Laser beams
from the optical pickup are dangerous to the eyes.
·Make sure that pins or other foreign objects do not get
inside the unit; they may cause malfunctions, or create
safety hazards such as electrical shock or laser beam
·When your vehicle has been parked in direct sunlight
resulting in a considerable rise in the temperature
inside, allow the unit to cool off before operating it.
·Keep the volume at a level at which you can hear
outside warning sounds (horns, sirens, etc.).
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation.
This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
--Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment
and receiver.
--Connect the equipment into an outlet on circuit
different from that to which the receiver is connected.
--Consult the dealer or an experienced radio/TV
technician for help.
Modifications or adjustments to this product, which are
not expressly approved by the manufacturer, may void
the user's right or authority to operate this product.
In addition to ordinary CDs, CD-Rs or CD-RWs can
be read by this unit. However, NEVER use a CD-R or
CD-RW that contains no data or data in the wrong
format, such as MP3 or other computer files.
For installation and connections, refer to the separate
Some buttons are assigned two or more functions.
For detailed descriptions, refer to the related pages.
CD Notes
·Playing a defective or dusty CD can
cause dropouts in sound.
·Hold CDs as illustrated.
·Do NOT touch the unlabeled side.
·Do NOT attach any seal, label or
data protection sheet to either side of
·Do NOT expose a CD to direct sunlight or excessive
·Wipe a dirty CD from the center outward with a cleaning
Never use solvents such as benzine or alcohol.
· This unit cannot play 3-inch (8 cm) CDs.
· NEVER insert a 3-inch CD contained in the adapter or
any irregularly shaped CD.
The unit may not be able to eject it, resulting in a
Resetting the unit
Before operating the unit for the first time or after
replacing the car battery, you must reset the unit.
Press the reset button with a pointed object such as a
Front panel detached
Reset button
Pressing the reset button will erase the clock and some
memorized functions.
DEMO (Demonstration) mode
The unit has an extra display (DEMO) mode which
demonstrates the illumination modes of the unit. The
unit switches to DEMO mode automatically if you turn
the unit on and leave it as it is for 5 seconds after all the
connections have been completed.
To cancel DEMO mode
1 During DEMO mode, press and hold Jog dial (PUSH-
SOURCE) until "ILL" appears on the display.
2 Press + or ­ to select "DE."
3 Turn Jog dial to select "0."
To resume DEMO mode, select "1" in step 3.
(See the illustration on page 2.)
THEFT PROTECTION .............................................. 2
ADJUSTMENT ..................................................... 2
RADIO OPERATION ................................................. 3
CD PLAYER OPERATION ........................................ 4
AUXILIARY EQUIPMENT ......................................... 5
OTHER FUNCTIONS ................................................ 6
CARD REMOTE CONTROL ..................................... 6
TROUBLESHOOTING .............................................. 7
MAINTENANCE ........................................................ 7
SPECIFICATIONS .................................................... 7

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Jog dial (PUSH-SOURCE)
Turning the unit on/off
·Press PWR/ATT to turn on the unit. The unit also turns
on when you insert a CD.
·Press and hold PWR/ATT until the unit turns off.
Most operations described in this manual require
the unit to be turned on before starting the operation,
unless explicitly stated otherwise.
Changing the source mode
1 Press Jog dial (PUSH-SOURCE).
Pressing Jog dial (PUSH-SOURCE) cycles through
source modes in the following order:
*"CD" does not appear in the display when there is no
CD in the unit.
Adjusting the volume
1 Turn Jog dial.
VOLUME indicator appears.
Muting the sound
1 Press PWR/ATT briefly.
ATT indicator flashes.
To restore volume, briefly press PWR/ATT again.
Take the front panel with you when leaving the car, and
keep it in the supplied carrying case.
Detaching the front panel
Before detaching the front panel, remove the CD to
prevent possible damage to the unit.
1 Press z to remove the CD.
2 Press and hold PWR/ATT until the unit turns off.
3 Press %. (Hold the panel with one hand to prevent
accidentally dropping it.)
4 Remove the panel.
Attaching the front panel
1 Engage the left side of the front panel to the left catch
on the unit.
2 Push the panel forward until it locks. Be sure not to
press any buttons while you are attaching the panel.
Do not touch the connector on the reverse side of the
front panel. This could cause a poor or faulty connection.

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Setting the clock
1 Press and hold DSPL until the clock indicator
flashes in the display.
2 Press + (to set hour) or ­ (to set minute), and then
turn Jog dial.
3 Press DSPL.
Displaying the clock
1 Press DSPL.
To return to the former display, press DSPL again.
Tuning in to a station
(Seek/Manual Tuning)
Local indicator
Stereo indicator
Band indicator
1 Press TU (TUNER) repeatedly to select the desired
band (FM1, FM2, FM3, AM1, or AM2).
2* Press + (to move to higher frequencies) or ­ (to
move to lower frequencies) to tune in to a station.
"STEREO" appears on the display when an FM
station is broadcasting in stereo, and receiving
conditions are good.
*Seek Tuning and Manual Tuning
·Press and hold + or ­ until seek Tuning starts.
The unit locates a station automatically (Seek Tuning).
·Press + or ­ repeatedly to search for a desired station
while increasing or decreasing the frequency step by
step (Manual Tuning).
To stop Seek Tuning, press + or ­ again.
Adjusting sound
You can select the following modes for adjusting sound
depending on the music you listen to: BASS (low
frequencies), TRE (high frequencies), BAL (left/right),
FAD (front/ rear) and H-BASS (high bass).
1 Press SEL repeatedly to select the mode to be
Pressing SEL cycles through the modes. The
selected mode's indicator appears.
2 Turn Jog dial to increase/decrease the level or to
select on/off for the selected mode.
Adjust the level or select on/off within 5 seconds, or the
selected mode will return to previous state.
Aligning the source levels
(Source Level Adjuster)
Volume may vary each time you change the source
mode. In this case, you can align each source mode's
volume to almost the same level.
1 Press Jog dial (PUSH-SOURCE) or TU (TUNER)
repeatedly to select the desired mode.
2 Press DSPL while pressing SEL.
"LA 0" appears on the display.
3 Turn Jog dial to adjust the level.
Adjust the level within 5 seconds, or the selected mode
will be canceled.
Restoring the factory settings
1 Turn off the unit.
2 Press and hold DSPL until "LA --" appears on the
You can restore the factory settings only for VOL, BASS,
TRE, BAL, FAD, and H-BASS, and aligned source
volume levels.
Setting the beep tone
1 Turn off the unit.
2 Press and hold SEL until "bEEP" appears on the
3 Turn Jog dial to select on (level indicators appear)
or off (level indicators disappear).
4 Press SEL.

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Preset station buttons 1 to 6
Presetting stations manually
(Manual Memory)
1 Press TU (TUNER) repeatedly to select the desired
band (FM1, FM2, FM3, AM1, or AM2).
2 Press + or ­ to tune in to a desired station (see
"Tuning in to a station" as well for another tuning
3 Press and hold the desired preset station button until
the unit beeps.
A newly preset station replaces the station on the same
band that was previously stored on that preset station
Tuning in to a preset station
1 Press TU (TUNER) repeatedly to select the desired
band (FM1, FM2, FM3, AM1 or AM2).
2 Press the preset station button on which the desired
station is stored.
Active tuning reception control (ATRC)
The unit automatically suppresses FM noise caused by
vehicle movement, and maintains sound quality.
Playing a CD
You can play CDs, CD-Rs and CD-RWs using the
procedure described below.
Jog dial (PUSH-SOURCE)
t/g, r/f
1 Insert a CD.
CD indicator appears on the display.
CD play starts.
If a CD is already inserted, press Jog dial (PUSH-
SOURCE) repeatedly to select CD play mode.
In normal play, when the last track finishes, the unit
returns to the first track and continues to play.
Monaural mode
When signals become weak, or FM reception becomes
poor, the unit automatically switches to Monaural mode
to reduce noise.
Local mode
Local mode allows you to tune in only to strong stations
during Seek Tuning.
1 Press LO before you start seek tuning.
"LOCAL" appears on the display.
To return to Distant mode, press LO again.
"LOCAL" disappears and the unit tunes in to all receivable
Using preset stations
You must preset stations before you can tune in a station
using preset station number buttons.
Preset station number
Presetting stations automatically
(Auto Memory)
1 Press TU (TUNER) repeatedly to select the desired
band (FM1, FM2, FM3, AM1, or AM2).
2 Press and hold PS/A.ME until automatic presetting
The unit automatically stores up to 6 stations for
each band.
After completion of automatic presetting, the unit
tunes in to the station stored on preset station
button 1.
To cancel automatic presetting, press PS/A.ME again.
Checking the preset stations (Preset Scan)
1 Press PS/A.ME briefly.
Each preset station will be tuned in for 5 seconds in
To cancel Preset Scan, press PS/A.ME again or any
preset station button.