Sony CDX-A251C Mode d'emploi

Marque: Sony

Modèle: CDX-A251C

Catégorie: Récepteurs multimédia de voiture

Taper: Mode d'emploi

Owner’s Record

The model and serial numbers are located on the bottom of the unit.

Record the serial number in the space provided below.

Refer to these numbers whenever you call upon your Sony dealer regarding this product.

Model No. CDX-A251C Serial No.

CDX-A251C

To cancel the demonstration (DEMO) display, see page 9.

Pour annuler l’affichage de démonstration (DEMO), see page 11.

Operating Instructions

Mode d’emploi

2-664-237-11 (1)

Compact Disc Player

Welcome !

Thank you for purchasing this Sony Compact

Disc Player. You can enjoy your drive with the

following functions.

• CD playback

You can play CD-DA (also containing CD

TEXT*), CD-R/CD-RW (MP3/WMA files also

containing Multi Session (page 12)) and

ATRAC CD (ATRAC3 and ATRAC3plus

format (page 13)).

• Radio reception

– You can store up to 6 stations per band (FM1,

FM2, FM3, AM1 and AM2).

– BTM (Best Tuning Memory): the unit selects

strong signal stations and stores them.

• Sound adjustment

EQ3: You can select an equalizer curve for 7

music types.

• Optional unit operation

You can also control optional CD/MD

changers, in addition to playing with this unit.

• Auxiliary equipment connection

An AUX input jack on the front of the unit

allows connection of a portable audio device.

* A CD TEXT disc is a CD-DA that includes

information such as disc, artist and track name.

Warning

Type of discs Label on the disc

CD-DA

MP3

WMA

ATRAC CD

For installation and connections, see the

supplied installation/connections manual.

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 a

circuit different from that to which the receiver

is connected.

– Consult the dealer or an experienced radio/TV

technician for help.

You are cautioned that any changes or

modifications not expressly approved in this

manual could void your authority to operate this

equipment.

The use of optical instruments with this produc

will increase eye hazard.

CAUTION

Warning if your car’s ignition has no

ACC position

After turning the ignition off, be sure to press

and hold (OFF) on the unit until the display

disappears.

Otherwise, the display does not turn off and

this causes battery drain.

Table of Contents

Getting Started

Resetting the unit. . . . . . . . . . . . . . . . . . . . . . . . 4

Setting the clock . . . . . . . . . . . . . . . . . . . . . . . . 4

Detaching the front panel . . . . . . . . . . . . . . . . . 4

Attaching the front panel . . . . . . . . . . . . . . . 5

Location of controls and basic

operations

Main unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Card remote commander RM-X151 . . . . . . . 6

Display items . . . . . . . . . . . . . . . . . . . . . . . . 8

Repeat and shuffle play. . . . . . . . . . . . . . . . . 8

Radio

Storing and receiving stations . . . . . . . . . . . . . . 8

Storing automatically — BTM . . . . . . . . . . . 8

Storing manually. . . . . . . . . . . . . . . . . . . . . . 8

Receiving the stored stations . . . . . . . . . . . . 8

Tuning automatically . . . . . . . . . . . . . . . . . . 8

Other functions

Changing the sound settings . . . . . . . . . . . . . . . 9

Adjusting the sound characteristics

— BAL/FAD/SUB. . . . . . . . . . . . . . . . . . . . 9

Customizing the equalizer curve

— EQ3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Adjusting setup items — SET . . . . . . . . . . . . . 9

Using optional equipment. . . . . . . . . . . . . . . . 10

Auxiliary audio equipment. . . . . . . . . . . . . 10

CD/MD changer. . . . . . . . . . . . . . . . . . . . . 10

Rotary commander RM-X4S . . . . . . . . . . . 11

Additional Information

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Notes on discs . . . . . . . . . . . . . . . . . . . . . . 12

About MP3/WMA files . . . . . . . . . . . . . . . 12

About ATRAC CD. . . . . . . . . . . . . . . . . . . 13

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Removing the unit. . . . . . . . . . . . . . . . . . . . . . 14

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 14

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 15

Error displays/Messages. . . . . . . . . . . . . . . 17

SonicStage and its logo are trademarks of Sony

Corporation.

ATRAC, ATRAC3, ATRAC3plus and their logos

are trademarks of Sony Corporation.

The “SAT Radio Ready”

logo indicates that this

product will control a

satellite radio tuner module

(sold separately). Please see your nearest

authorized Sony dealer for details on the

satellite radio tuner module.

“SAT Radio,” “SAT Radio Ready,” the SAT

Radio and SAT Radio Ready logos and all

related marks are trademarks of Sirius Satellite

Radio Inc. and XM Satellite Radio Inc.

Microsoft, Windows Media,

and the Windows logo are

trademarks or registered

trademarks of Microsoft

Corporation in the United States and/or other

countries.

Getting Started

Resetting the unit

Before operating the unit for the first time, or

after replacing the car battery or changing the

connections, you must reset the unit.

Detach the front panel and press the RESET

button with a pointed object, such as a ball-point

pen.

Note

Pressing the RESET button will erase the clock setting

and some stored contents.

Setting the clock

The clock uses a 12-hour digital indication.

1 Press and hold the select button.

The setup display appears.

2 Press the select button repeatedly

until “CLOCK-ADJ” appears.

3 Press (DSPL ) .

The hour indication flashes.

4 Rotate the volume control dial to set

the hour and minute.

To move the digital indication, press (DSPL).

5 Press the select button.

The setup is complete and the clock starts.

To display the clock, press (DSPL). Press

(DSPL) again to return to the previous display.

With the card remote commander

In step 4, to set the hour and minute, press M or m.

Detaching the front panel

You can detach the front panel of this unit to

prevent theft.

Caution alarm

If you turn the ignition switch to the OFF

position without detaching the front panel, the

caution alarm will sound for a few seconds.

The alarm will only sound if the built-in

amplifier is used.

1 Press (OFF).

The unit is turned off.

2 Press , then pull it off towards you.

Notes

• Do not drop or put excessive pressure on the front

panel and display window.

• Do not subject the front panel to heat/high

temperature or moisture. Avoid leaving it in a parked

car or on a dashboard/rear tray.

RESET

button

Attaching the front panel

Engage part A of the front panel with part B of

the unit, as illustrated, and push the left side into

position until it clicks.

Note

Do not put anything on the inner surface of the front

panel.

Location of controls and basic operations

Main unit

Card remote commander

RM-X151

Refer to the pages listed for details. The

corresponding buttons on the card remote

commander control the same functions as those

on the unit.

A OFF button

To power off; stop the source.

B Number buttons

CD/MD*

(1)/(2): GP*

/ALBM*

–/+*

To skip groups/albums (press); skip

groups/albums continuously (press and

hold).

(3): REP 8, 11

(4): SHUF 8, 11

(6): PAUSE*

To pause playback. To cancel, press

again.

Radio:

To receive stored stations (press); store

stations (press and hold).

C SCRL (scroll) button 8

To scroll the display item.

D CAT*

/BTM button 8

To start the BTM function (press and hold).

E SEEK –/+ buttons

CD:

To skip tracks (press); skip tracks

continuously (press, then press again within

about 1 second and hold); reverse/fast-

forward a track (press and hold).

Radio:

To tune in stations automatically (press); find

a station manually (press and hold).

CDX-A251C

OFF

DSPL

SCRL

SEL

SOURCE

MODE

132

465

ATT

VOL

–

F Disc slot

To insert the disc (label side up), playback

starts.

G Z (eject) button

To eject the disc.

H (front panel release) button 4

I AUX input jack 10

To connect a portable audio device.

J Receptor for the card remote

commander

K RESET button (located behind the front

panel) 4

L SENS button

To improve weak reception: LOCAL/

MONO.

M EQ3 (equalizer) button 9

To select an equalizer type (XPLOD,

VOCAL, CLUB, JAZZ, NEW AGE, ROCK,

CUSTOM or OFF).

N SOURCE button

To power on; change the source (Radio/CD/

MD*

/AUX/SAT*

O Volume control dial/select button 9

To adjust volume (rotate); select setup items

(press and rotate).

P MODE button 8, 10

To select the radio band (FM/AM)/select the

SAT tuner band (mode)*

/select the unit*

Q DSPL (display)/DIM (dimmer) button

4, 8

To change display items (press); change the

display brightness (press and hold).

R Display window

The following buttons on the card remote

commander have also different buttons/functions

from the unit.

ql < (.)/, (>) buttons

To control CD/radio, the same as (SEEK)

–/+ on the unit.

w; VOL (volume) +/– button

To adjust volume.

wa ATT (attenuate) button

To attenuate the sound. To cancel, press

again.

ws SEL (select) button

The same as the select button on the unit.

wd M (+)/m (–) buttons

To control CD, the same as (1)/(2) –/+ on

the unit.

wf Number buttons

To receive stored stations (press); store

stations (press and hold).

*1 When an MD changer is connected.

*2 When an ATRAC CD is played.

*3 When an MP3/WMA is played.

*4 If the changer is connected, the operation is

different, see page 10.

*5 When playing back on this unit.

*6 When the SAT tuner is connected.

*7 When a CD/MD changer is connected.

Note

If the unit is turned off and the display disappears, it

cannot be operated with the card remote commander

unless (SOURCE) on the unit is pressed, or a disc is

inserted to activate the unit first.

Tip

For details on how to replace the battery, see

“Replacing the lithium battery of the card remote

commander” on page 13.

For details on selecting a CD/MD changer, see

page 10.

Display items

A Source

B WMA/MP3/ATRAC CD indication

C Track number/Elapsed playing time, Disc/

artist name, Album/group number*

, Album/

group name, Track name, Text information*

Clock

*1 Album/group number is displayed only when the

album/group is changed.

*2 When playing an MP3, ID3 tag is displayed, when

playing ATRAC CD, text information written by

SonicStage, etc., is displayed, and when playing

WMA, WMA tag is displayed.

To change display items C, press (DSPL);

scroll display items C, press (SCRL) or set

“A.SCRL-ON” (page 9).

Tip

Displayed items will differ, depending on the disc type,

recorded format and settings. For details on MP3/

WMA, see page 12; ATRAC CD, see page 13.

Repeat and shuffle play

1 During playback, press (3) (REP) or

(4) (SHUF) repeatedly until the

desired setting appears.

*1 When an MP3/WMA is played.

*2 When an ATRAC CD is played.

To return to normal play mode, select “REP-

OFF” or “SHUF-OFF.”

Radio

Storing and receiving stations

Caution

When tuning in stations while driving, use Best

Tuning Memory (BTM) to prevent an accident.

Storing automatically — BTM

1 Press (SOURCE) repeatedly until

“TUNER” appears.

To change the band, press (MODE)

repeatedly. You can select from FM1, FM2,

FM3, AM1 or AM2.

2 Press and hold (BTM) until “BTM”

flashes.

The unit stores stations in order of frequency

on the number buttons.

A beep sounds when the setting is stored.

Storing manually

1 While receiving the station that you

want to store, press and hold a

number button ((1) to (6)) until

“MEM” appears.

The number button indication appears in the

display.

Note

If you try to store another station on the same number

button, the previously stored station will be replaced.

Receiving the stored stations

1 Select the band, then press a number

button ((1) to (6)).

Tuning automatically

1 Select the band, then press (SEEK) –/+

to search for the station.

Scanning stops when the unit receives a

station. Repeat this procedure until the

desired station is received.

Tip

If you know the frequency of the station you want to

listen to, press and hold (SEEK) –/+ to locate the

approximate frequency, then press (SEEK) –/+

repeatedly to fine adjust to the desired frequency

(manual tuning).

Select To play

REP-TRACK track repeatedly.

REP-ALBM*

album repeatedly.

REP-GP*

group repeatedly.

SHUF-ALBM*

album in random order.

SHUF-GP*

group in random order.

SHUF-DISC disc in random order.

Other functions

Changing the sound settings

Adjusting the sound

characteristics — BAL/FAD/SUB

You can adjust the balance, fader, and subwoofer

volume.

1 Press the select button repeatedly

until “BAL,” “FAD” or “SUB” appears.

The item changes as follows:

LOW*

t MID*

t HI*

BAL (left-right) t FAD (front-rear) t

SUB (subwoofer volume)*

t AUX*

*1 When EQ3 is activated (page 9).

*2 When the audio output is set to “SUB” (page 9).

“ATT” is displayed at the lowest setting, and can

be adjusted up to 20 steps.

*3 When AUX source is activated (page 10).

2 Rotate the volume control dial to

adjust the selected item.

After 3 seconds, the setting is complete and

the display returns to normal play/reception

mode.

With the card remote commander

In step 2, to adjust the selected item, press <, M, ,

or m.

Customizing the equalizer curve

— EQ3

“CUSTOM” of EQ3 allows you to make your

own equalizer settings.

1 Select a source, then press (EQ3)

repeatedly to select “CUSTOM.”

2 Press the select button repeatedly

until “LOW,” “MID” or “HI” appears.

3 Rotate the volume control dial to

adjust the selected item.

The volume level is adjustable in 1 dB steps,

from –10 dB to +10 dB.

Repeat steps 2 and 3 to adjust the equalizer

curve.

To restore the factory-set equalizer curve,

press and hold the select button before the

setting is complete.

After 3 seconds, the setting is complete and

the display returns to normal play/reception

mode.

Tip

Other equalizer types are also adjustable.

With the card remote commander

In step 3, to adjust the selected item, press <, M, ,

or m.

Adjusting setup items — SET

1 Press and hold the select button.

The setup display appears.

2 Press the select button repeatedly

until the desired item appears.

3 Rotate the volume control dial to

select the setting (example “ON” or

“OFF”).

4 Press and hold the select button.

The setup is complete and the display returns

to normal play/reception mode.

Note

Displayed items will differ, depending on the source

and setting.

With the card remote commander

In step 3, to select the setting, press < or ,.

The following items can be set (follow the page

reference for details):

“

z” indicates the default settings.

CLOCK-ADJ (Clock Adjust) (page 4)

BEEP

To set “BEEP-ON” (z) or “BEEP-OFF.”

AUX-A*

(AUX Audio)

To turn the AUX source display “AUX-A-ON”

(

z) or “AUX-A-OFF” (page 10).

SUB/REAR*

To switch the audio output.

– “SUB-OUT” (

z): to output to a subwoofer.

– “REAR-OUT”: to output to a power amplifier.

DIM (Dimmer)

To change the brightness of the display.

– “DIM-ON”: to dim the display.

– “DIM-OFF” (

z): to deactivate the dimmer.

ILM-1/ILM-2 (Illumination)

To change the illumination color: “ILM-1” (z)

or “ILM-2.”

DEMO*

(Demonstration)

To set “DEMO-ON” (z) or “DEMO-OFF.”

A.SCRL (Auto Scroll)

To scroll long displayed item automatically

when the disc/album/group/track is changed.

– “A.SCRL-ON”: to scroll.

– “A.SCRL-OFF” (

z): to not scroll.

continue to next page t

*1 When the unit is turned off.

*2 When the audio output is set to “SUB.”

Using optional equipment

Auxiliary audio equipment

By connecting an optional portable audio device

to the AUX input jack (stereo mini jack) on the

unit and then simply selecting the source, you

can listen on your car speakers. The volume level

is adjustable for any difference between the unit

and the portable audio device. Follow the

procedure below:

Connecting the portable audio

device

1 Turn off the portable audio device.

2 Turn down the volume on the unit.

3 Connect to the unit.

* Be sure to use a straight type plug.

Adjust the volume level

Be sure to adjust the volume for each connected

audio device before playback.

1 Turn down the volume on the unit.

2 Press (SOURCE) repeatedly until “AUX

FRONT IN” appears.

3 Start playback of the portable audio device at a

moderate volume.

4 Set your usual listening volume on the unit.

5 Press the select button repeatedly until “AUX”

appears, and rotate the volume control dial to

adjust the input level (±6 dB).

CD/MD changer

Selecting the changer

1 Press (SOURCE) repeatedly until “CD” or

“MD” appears.

2 Press (MODE) repeatedly until the desired

changer appears.

Playback starts.

Skipping albums and discs

1 During playback, press (1)/(2) (GP/ALBM

–/+).

LPF*

(Low Pass Filter)

To select the subwoofer cut-off frequency: “LPF

OFF” (

z), “LPF125Hz” or “LPF 78Hz.”

AUX

Connecting cord*

(not supplied)

To skip Press (1)/(2)

album and release (hold for a

moment).

album

continuously

within 2 seconds of first

releasing.

discs repeatedly.

discs

continuously

then, press again within 2

seconds and hold.

Disc number

Unit number

Repeat and shuffle play

1 During playback, press (3) (REP) or (4)

(SHUF) repeatedly until the desired setting

appears.

*1 When one or more CD/MD changers are

connected.

*2 When one or more CD changers, or two or more

MD changers are connected.

To return to normal play mode, select “REP-

OFF” or “SHUF-OFF.”

Tip

“SHUF-ALL” will not shuffle tracks between CD units

and MD changers.

Rotary commander RM-X4S

Attaching the label

Attach the indication label depending on how

you mount the rotary commander.

Location of controls

The corresponding buttons on the rotary

commander control the same functions as those

on this unit.

The following controls on the rotary commander

require a different operation from the unit.

• PRESET/DISC control

To select preset stations; control CD, the same

as (1)/(2) (GP/ALBM –/+) on the unit (push

in and rotate).

• VOL (volume) control

The same as the volume control dial on the unit

(rotate).

• SEEK/AMS control

The same as (SEEK) –/+ on the unit (rotate, or

rotate and hold).

Changing the operative direction

The operative direction of the controls is factory-

set as shown below.

If you need to mount the rotary commander on

the right hand side of the steering column, you

can reverse the operative direction.

1 While pushing the VOL control, press and

hold (SEL).

Select To play

REP-DISC*

disc repeatedly.

SHUF-

CHGR*

tracks in the changer in random

order.

SHUF-ALL*

tracks in all units in random

order.

SEL

OFF

ATT

SEL

SOURCE

DSPL

MODE

OFF

VOL

SEEK/AMS

PRESET/

DISC

To increase

To decrease

Additional Information

Precautions

• If your car has been parked in direct sunlight,

allow the unit to cool off before operating it.

• Power antenna will extend automatically while the

unit is operating.

Moisture condensation

On a rainy day or in a very damp area, moisture

condensation may occur inside the lenses and

display of the unit. Should this occur, the unit will

not operate properly. In such a case, remove the disc

and wait for about an hour until the moisture has

evaporated.

To maintain high sound quality

Be careful not to splash juice or other soft drinks

onto the unit or discs.

Notes on discs

• To keep a disc clean, do not touch its surface.

Handle the disc by its edge.

• Keep your discs in their cases or disc magazines

when not in use.

• Do not subject discs to heat/high temperature.

Avoid leaving them in a parked car or on a

dashboard/rear tray.

• Do not attach labels, or use discs with sticky ink/

residue. Such discs may stop spinning when used,

causing a malfunction, or may ruin the disc.

• Do not use any discs with labels or stickers

attached.

The following malfunctions may result from using

such discs:

– Inability to eject a disc (due to a label or sticker

peeling off and jamming the eject mechanism).

– Inability to read audio data correctly (e.g.,

playback skipping, or no playback) due to heat

shrinking of a sticker or label causing a disc to

warp.

• Discs with non-standard shapes (e.g., heart,

square, star) cannot be played on this unit.

Attempting to do so may damage the unit. Do not

use such discs.

• You cannot play 8 cm (3

/4 in) CDs.

• Before playing, clean the discs

with a commercially available

cleaning cloth. Wipe each disc

from the center out. Do not use

solvents such as benzine,

thinner, commercially available

cleaners, or antistatic spray

intended for analog discs.

Notes on CD-R/CD-RW discs

• Some CD-Rs/CD-RWs (depending on the

equipment used for its recording or the condition

of the disc) may not play on this unit.

• You cannot play a CD-R/a CD-RW that is not

finalized.

Music discs encoded with copyright

protection technologies

This product is designed to play back discs that

conform to the Compact Disc (CD) standard.

Recently, various music discs encoded with

some record companies. Please be aware that among

those discs, there are some that do not conform to

the CD standard and may not be playable by this

product.

About MP3/WMA files

MP3, which stands for MPEG-1 Audio Layer-3, is a

music file compression format standard. It

compresses audio CD data to approximately 1/10 of

its original size.

WMA, which stands for Windows Media Audio, is

another music file compression format standard. It

compresses audio CD data to approximately 1/22*

of its original size.

* only for 64 kbps

• The unit is compatible with the ISO 9660 level 1/

level 2 format, Joliet/Romeo in the expansion

format, and Multi Session.

• The maximum number of:

– folders (albums): 150 (including root and empty

folders).

– MP3/WMA files (tracks) and folders contained

in a disc: 300 (if a folder/file names contain

many characters, this number may become less

than 300).

– displayable characters for a folder/file name is

32 (Joliet), or 64 (Romeo).

• ID3 tag versions 1.0, 1.1, 2.2, 2.3 and 2.4 apply to

MP3 only. ID tag is 15/30 characters (1.0 and 1.1),

or 63/126 characters (2.2, 2.3 and 2.4). WMA tag

is 63 characters.

Note on DualDiscs

A DualDisc is a two sided disc product which

mates DVD recorded material on one side with

digital audio material on the other side. However,

since the audio material side does not conform to

the Compact Disc (CD) standard, playback on this

product is not guaranteed.

Playback order of MP3/WMA files

Notes

• When naming an MP3 file/WMA file, be sure to add

the file extension “.mp3”/“.wma” to the file name.

• During playback of a VBR (variable bit rate) MP3/

WMA file or fast-forward/reverse, elapsed playing

time may not display accurately.

• When the disc is recorded in Multi Session, only the

first track of the first session format is recognized

and played (any other format is skipped). The

priority of the format is CD-DA, ATRAC CD and

MP3/WMA.

– When the first track is a CD-DA, only CD-DA of the

first session is played.

– When the first track is not a CD-DA, an ATRAC CD

or MP3/WMA session is played. If the disc has no

data in any of these formats, “NO MUSIC” is

displayed.

Notes on MP3

• Be sure to finalize the disc before using on the unit.

• If you play a high-bit-rate MP3, such as 320 kbps,

sound may be intermittent.

Notes on WMA

• Files made with lossless compression are not

playable.

• Files protected by copyright are not playable.

About ATRAC CD

ATRAC3plus format

ATRAC3, which stands for Adaptive Transform

Acoustic Coding3, is audio compression

technology. It compresses audio CD data to

approximately 1/10 of its original size.

ATRAC3plus, which is an extended format of

ATRAC3, compresses the audio CD data to

approximately 1/20 of its original size. The unit

accepts both ATRAC3 and ATRAC3plus format.

ATRAC CD

ATRAC CD is recorded audio CD data which is

compressed to ATRAC3 or ATRAC3plus format

using authorized software, such as SonicStage 2.0 or

later, or SonicStage Simple Burner.

• The maximum number of:

– folders (groups): 255

– files (tracks): 999

• The characters for a folder/file name and text

information written by SonicStage is displayed.

For details on ATRAC CD, see the SonicStage or

SonicStage Simple Burner manual.

Note

Be sure to create the ATRAC CD using authorized

software, such as SonicStage 2.0 or later, or

SonicStage Simple Burner 1.0 or 1.1.

If you have any questions or problems concerning

your unit that are not covered in this manual, consult

your nearest Sony dealer.

Maintenance

Replacing the lithium battery of the

card remote commander

Under normal conditions, the battery will last

approximately 1 year. (The service life may be

shorter, depending on the conditions of use.)

When the battery becomes weak, the range of the

card remote commander becomes shorter. Replace

the battery with a new CR2025 lithium battery. Use

of any other battery may present a risk of fire or

explosion.

Notes on the lithium battery

• Keep the lithium battery out of the reach of children.

Should the battery be swallowed, immediately

consult a doctor.

• Wipe the battery with a dry cloth to assure a good

contact.

• Be sure to observe the correct polarity when

installing the battery.

• Do not hold the battery with metallic tweezers,

otherwise a short-circuit may occur.

Folder

(album)

MP3/WMA file

(track)

MP3/WMA

continue to next page t

+ side up

WARNING

Battery may explode if mistreated.

Do not recharge, disassemble, or dispose of

in fire.

Fuse replacement

When replacing the fuse, be

sure to use one matching the

amperage rating stated on the

original fuse. If the fuse blows,

check the power connection and

replace the fuse. If the fuse

blows again after replacement,

there may be an internal

malfunction. In such a case,

consult your nearest Sony

dealer.

Cleaning the connectors

The unit may not function properly if the connectors

between the unit and the front panel are not clean. In

order to prevent this, detach the front panel (page 4)

and clean the connectors with a cotton swab dipped

in alcohol. Do not apply too much force. Otherwise,

the connectors may be damaged.

Notes

• For safety, turn off the ignition before cleaning the

connectors, and remove the key from the ignition

switch.

• Never touch the connectors directly with your fingers

or with any metal device.

Removing the unit

1 Remove the protection collar.

1 Detach the front panel (page 4).

2 Engage the release keys together with the

protection collar.

3Pull out the release keys to remove the

protection collar.

2 Remove the unit.

1Insert both release keys simultaneously

until they click.

2Pull the release keys to unseat the unit.

3Slide the unit out of the mounting.

Specifications

CD Player section

Signal-to-noise ratio: 120 dB

Frequency response: 10 – 20,000 Hz

Wow and flutter: Below measurable limit

Fuse (10A)

Main unit Back of the front

panel

Orient the release

keys as shown.

Hook facing

inwards.

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC

DISTORTION

23.2 watts per channel minimum continuous

average power into 4 ohms, 4 channels driven

from 20 Hz to 20 kHz with no more than 5 % total

harmonic distortion.

CEA2006 Standard

Power Output: 17 Watts RMS × 4 at

4 Ohms < 1% THD+N

SN Ratio: 82 dBA

(reference: 1 Watt into 4 Ohms)

Tuner section

Tuning range: 87.5 – 107.9 MHz

Antenna terminal: External antenna connector

Intermediate frequency: 10.7 MHz/450 kHz

Usable sensitivity: 9 dBf

Selectivity: 75 dB at 400 kHz

Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)

Harmonic distortion at 1 kHz: 0.5 % (stereo),

0.3 % (mono)

Separation: 35 dB at 1 kHz

Frequency response: 30 – 15,000 Hz

Tuning range: 530 – 1,710 kHz

Antenna terminal: External antenna connector

Intermediate frequency: 10.7 MHz/450 kHz

Sensitivity: 30 µV

Power amplifier section

Outputs: Speaker outputs (sure seal connectors)

Speaker impedance: 4 – 8 ohms

Maximum power output: 52 W × 4 (at 4 ohms)

General

Outputs:

Audio outputs terminal (sub/rear switchable)

Power antenna relay control terminal

Power amplifier control terminal

Inputs:

Telephone ATT control terminal

BUS control input terminal

BUS audio input terminal

Remote controller input terminal

Antenna input terminal

AUX input jack

(stereo mini jack)

Tone controls:

Low: ±10 dB at 60 Hz (XPLOD)

Mid: ±10 dB at 1 kHz (XPLOD)

High: ±10 dB at 10 kHz (XPLOD)

Power requirements: 12 V DC car battery

(negative ground)

Dimensions: Approx. 178 × 50 × 178 mm

/8 × 2 × 7

/8 in) (w/h/d)

Mounting dimensions: Approx. 182 × 53 × 162 mm

/4 × 2

/8 × 6

/2 in) (w/h/d)

Mass: Approx. 1.2 kg (2 lb 11 oz)

Supplied accessories:

Card remote commander: RM-X151

Parts for installation and connections (1 set)

Optional accessories/equipment:

Rotary commander: RM-X4S

BUS cable (supplied with an RCA pin cord):

RC-61 (1 m), RC-62 (2 m)

CD changer (10 discs): CDX-757MX

CD changer (6 discs): CDX-T69

MD changer (6 discs): MDX-66XLP

Source selector: XA-C30

AUX-IN selector: XA-300

Your dealer may not handle some of the above listed

accessories. Please ask the dealer for detailed

information.

Note

This unit cannot be connected to a digital preamplifier

or an equalizer which is Sony BUS system compatible.

Design and specifications are subject to change

without notice.

Troubleshooting

The following checklist will help you remedy

problems you may encounter with your unit.

Before going through the checklist below, check the

connection and operating procedures.

General

No power is being supplied to the unit.

• Check the connection. If everything is in order, check

the fuse.

• If the unit is turned off and the display disappears, it

cannot be operated with the remote commander.

t Turn on the unit.

The power antenna does not extend.

The power antenna does not have a relay box.

No sound.

• The volume is too low.

• The ATT function is activated, or the Telephone ATT

function (when the interface cable of a car telephone

is connected to the ATT lead) is activated.

• The position of the fader control “FAD” is not set for

a 2-speaker system.

• The CD changer is incompatible with the disc format

(MP3/WMA/ATRAC CD).

t Play back with a Sony MP3 compatible CD

changer, or this unit.

No beep sound.

• The beep sound is canceled (page 9).

• An optional power amplifier is connected and you are

not using the built-in amplifier.

continue to next page t

US and foreign patents licensed from Dolby

Laboratories.

MPEG Layer-3 audio coding technology and

patents licensed from Fraunhofer IIS and Thomson.

• Lead-free solder is used for soldering certain parts.

(more than 80 %)

• Halogenated flame retardants are not used in the

certain printed wiring boards.

• Halogenated flame retardants are not used in

cabinets.

• VOC (Volatile Organic Compound)-free vegetable

oil based ink is used for printing the carton.

• Packaging cushions do not use polystyrene foam.

The contents of the memory have been erased.

• The RESET button has been pressed.

tStore again into the memory.

• The power connecting lead or battery has been

disconnected.

• The power connecting lead is not connected properly.

Stored stations and correct time are erased.

The fuse has blown.

Makes noise when the position of the ignition

key is switched.

The leads are not matched correctly with the car’s

accessory power connector.

The display disappears from/does not appear

in the display window.

• The dimmer is set “DIM-ON” (page 9).

• The display disappears if you press and hold (OFF).

tPress and hold (OFF) on the unit until the

display appears.

• The connectors are dirty (page 14).

CD/MD playback

The disc cannot be loaded.

• Another disc is already loaded.

• The disc has been forcibly inserted upside down or in

the wrong way.

The disc does not playback.

• Defective or dirty disc.

• The CD-Rs/CD-RWs are not for audio use (page 12).

MP3/WMA files cannot be played back.

The disc is incompatible with the MP3/WMA format

and version (page 12).

MP3/WMA files take longer to play back than

others.

The following discs take a longer time to start

playback.

– a disc recorded with a complicated tree structure.

– a disc recorded in Multi Session.

– a disc to which data can be added.

The ATRAC CD cannot play.

• The disc is not created by authorized software, such

as SonicStage or SonicStage Simple Burner.

• Tracks that are not included in the group cannot be

played.

The display items do not scroll.

• For discs with very many characters, those may not

scroll.

• “A.SCRL” is set to “OFF”.

tSet “A.SCRL-ON” (page 9) or press (SCRL).

The sound skips.

• Installation is not correct.

tInstall the unit at an angle of less than 45° in a

sturdy part of the car.

• Defective or dirty disc.

The operation buttons do not function.

The disc will not eject.

Press the RESET button (page 4).

“MS” or “MD” does not appear on the source

display when both the optional MGS-X1 and

MD changer are connected.

This unit recognizes MGS-X1 as an MD unit.

t Press (SOURCE) until “MS” or “MD” appears,

then press (MODE) repeatedly.

Radio reception

The stations cannot be received.

The sound is hampered by noises.

• Connect a power antenna control lead (blue) or

accessory power supply lead (red) to the power

supply lead of a car’s antenna booster (only when

your car has built-in FM/AM antenna in the rear/side

glass).

• Check the connection of the car antenna.

• The auto antenna will not go up.

t Check the connection of the power antenna

control lead.

• Check the frequency.

Preset tuning is not possible.

• Store the correct frequency in the memory.

• The broadcast signal is too weak.

Automatic tuning is not possible.

• Setting of the local seek mode is not correct.

t Tuning stops too frequently:

Press (SENS) until “LOCAL-ON” appears.

t Tuning does not stop at a station:

Press (SENS) repeatedly until “MONO-ON” or

“MONO-OFF” (FM), or “LOCAL-OFF” (AM)

appears.

• The broadcast signal is too weak.

t Perform manual tuning.

During FM reception, the “ST” indication

flashes.

• Tune in the frequency accurately.

• The broadcast signal is too weak.

t Press (SENS) to set the monaural reception

mode to “MONO-ON.”

An FM program broadcast in stereo is heard in

monaural.

The unit is in monaural reception mode.

t Press (SENS) until “MONO-OFF” appears.

Error displays/Messages

*1 If an error occurs during playback of a CD or MD,

the disc number of the CD or MD does not appear

in the display.

*2 The disc number of the disc causing the error

appears in the display.

If these solutions do not help improve the situation,

consult your nearest Sony dealer.

If you take the unit to be repaired because of CD

playback trouble, bring the disc that was used at the

time the problem began.

BLANK*

Tracks have not been recorded on the MD.*

tPlay an MD with recorded tracks.

ERROR*

• The disc is dirty or inserted upside down.*

t Clean or insert the disc correctly.

• A blank disc has been inserted.

• The disc cannot play because of some problem.

t Insert another disc.

FAILURE (Illuminates until any button is pressed.)

The connection of speakers/amplifiers is incorrect.

tSee the installation guide manual of this model to

check the connection.

FAILURE (Illuminates for about 1 second.)

When the XM tuner is connected, storing an XM radio

channel into a preset failed.

tBe sure to receive the channel that you want to

store, then try it again.

LOAD

The changer is loading the disc.

tWait until loading is complete.

L. SEEK +/–

The local seek mode is on during automatic tuning.

NO DISC

The disc is not inserted in the CD/MD changer.

tInsert discs in the changer.

NO ID3

ID3 tag information is not written in the MP3 file.

NO INFO

Text information is not written in the ATRAC3/

ATRAC3plus or WMA file.

NO MAG

The disc magazine is not inserted in the CD changer.

tInsert the magazine in the changer.

NO MUSIC

The disc is not a music file.

tInsert a music CD in this unit or MP3 playable

changer.

NO NAME

A track/album/group/disc name is not written in the

track.

NOT READ

The disc information has not been read by the unit.

tLoad the disc, then select it on the list.

NOTREADY

The lid of the MD changer is open or the MDs are not

inserted properly.

tClose the lid or insert the MDs properly.

OFFSET

There may be an internal malfunction.

tCheck the connection. If the error indication

remains on in the display, consult your nearest

Sony dealer.

READ

The unit is reading all track and group information on

the disc.

t Wait until reading is complete and playback starts

automatically. Depending on the disc structure, it

may take more than a minute.

RESET

The CD unit and CD/MD changer cannot be operated

because of some problem.

t Press the RESET button (page 4).

“” or “”

During reverse or fast-forward, you have reached the

beginning or the end of the disc and you cannot go any

further.

“”

The character cannot be displayed with the unit.

Félicitations !

Nous vous remercions d’avoir fait l’acquisition

de ce lecteur de disques compacts Sony. Ce

lecteur vous offre les fonctions suivantes.

• Lecture de CD

Possibilité de lecture de CD-DA (contenant

également des informations CD TEXT*), de

CD-R/CD-RW (fichiers MP3/WMA contenant

également des multisessions (page 14)) et de

CD ATRAC (format ATRAC3 et ATRAC3plus

(page 15)).

• Réception radio

– Vous pouvez mémoriser jusqu’à 6 stations par

bande de fréquences (FM1, FM2, FM3, AM1

et AM2).

– BTM (mémorisation des meilleurs accords) :

l’appareil sélectionne des stations émettant un

signal fort et les mémorise.

• Réglages du son

EQ3 : vous pouvez sélectionner une courbe

d’égaliseur pour 7 types de musique.

• Pilotage d’appareils en option

Cet appareil vous permet, en plus de la lecture,

de commander des changeurs CD ou MD

externes.

• Raccordement d’un appareil auxiliaire

Une prise d’entrée AUX située à l’avant de

l’appareil permet de raccorder un appareil

audio portable.

* Un disque CD TEXT est un CD-DA contenant des

informations telles que le nom du disque, le nom de

l’artiste et le nom des plages.

SonicStage et son logo sont des marques de

commerce de Sony Corporation.

ATRAC, ATRAC3, ATRAC3plus et leurs logos

sont des marques de commerce de Sony

Corporation.

Type de

disques

Symbole indiqué sur le

disque

CD-DA

MP3

WMA

CD ATRAC

En ce qui concerne l’installation et les

connexions, consulter le manuel

d’installation/raccordement fourni.

L’utilisation d’instruments optiques avec ce

produit augmente les risques pour les yeux.

ATTENTION

Avertissement si le contact de votre

véhicule ne comporte pas de position

ACC

Après avoir coupé le moteur, n’oubliez pas de

maintenir la touche (OFF) enfoncée sur

l’appareil jusqu’à ce que l’affichage

disparaisse.

Sinon, l’affichage n’est pas désactivé et la

batterie du véhicule se décharge.

Le logo « SAT Radio Ready »

indique que ce produit

commande un module tuner

radio satellite (vendu

séparément). Consultez votre détaillant agréé

Sony le plus proche pour en savoir plus sur le

fonctionnement du module tuner radio satellite.

« SAT Radio », « SAT Radio Ready », les logos

SAT Radio et SAT Radio Ready, ainsi que

toutes les marques associées sont des marques de

commerce de Sirius Satellite Radio Inc. et de

XM Satellite Radio Inc.

Microsoft, Windows Media et

le logo Windows sont des

marques de commerce ou des

marques déposées de

Microsoft Corporation aux Etats-Unis et/ou

dans d’autres pays.

Table des matières

Préparation

Réinitialisation de l’appareil . . . . . . . . . . . . . . . 4

Réglage de l’horloge . . . . . . . . . . . . . . . . . . . . . 4

Retrait de la façade . . . . . . . . . . . . . . . . . . . . . . 4

Installation de la façade . . . . . . . . . . . . . . . . 5

Emplacement des commandes et

opérations de base

Appareil principal . . . . . . . . . . . . . . . . . . . . . 6

Mini-télécommande RM-X151. . . . . . . . . . . 6

Rubriques d’affichage. . . . . . . . . . . . . . . . . . 8

Lecture répétée et lecture aléatoire . . . . . . . . 8

Radio

Mémorisation et réception des stations . . . . . . . 9

Mémorisation automatique — BTM. . . . . . . 9

Mémorisation manuelle . . . . . . . . . . . . . . . . 9

Réception des stations mémorisées. . . . . . . . 9

Recherche automatique des fréquences . . . . 9

Autres fonctions

Changement des réglages du son . . . . . . . . . . 10

Réglage des caractéristiques du son

— BAL/FAD/SUB. . . . . . . . . . . . . . . . . . . 10

Personnalisation de la courbe de l’égaliseur

— EQ3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Réglage des paramètres de configuration

— SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Utilisation d’un appareil en option . . . . . . . . . 11

Raccordement d’un appareil audio

portatif . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Changeur CD/MD . . . . . . . . . . . . . . . . . . . 12

Satellite de commande RM-X4S . . . . . . . . 12

Informations complémentaires

Précautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Remarques sur les disques . . . . . . . . . . . . . 13

À propos des fichiers MP3/WMA . . . . . . . 14

À propos des CD ATRAC . . . . . . . . . . . . . 15

Entretien . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Démontage de l’appareil. . . . . . . . . . . . . . . . . 16

Caractéristiques techniques. . . . . . . . . . . . . . . 16

Dépannage . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Affichage des erreurs et messages . . . . . . . 19

Préparation

Réinitialisation de l’appareil

Avant la première mise en service de l’appareil,

après avoir remplacé la batterie du véhicule ou

modifié les raccordements, vous devez

réinitialiser l’appareil.

Retirez la façade, puis appuyez sur la touche

RESET avec un objet pointu comme un stylo à

bille.

Remarque

Une pression sur la touche RESET remet l’heure à

zéro et efface certaines informations mémorisées.

Réglage de l’horloge

L’horloge numérique fonctionne suivant un cycle

de 12 heures.

1 Appuyez sur la touche de sélection et

maintenez-la enfoncée.

L’écran de configuration apparaît.

2 Appuyez plusieurs fois sur la touche

de sélection jusqu’à ce que « CLOCK-

ADJ » apparaisse.

3 Appuyez sur (DSPL).

L’indication des heures clignote.

4 Tournez la molette de réglage du

volume pour régler l’heure et les

minutes.

Appuyez sur (DSPL) pour déplacer

l’indication numérique.

5 Appuyez sur la touche de sélection.

Le réglage est terminé et l’horloge démarre.

Pour afficher l’horloge, appuyez sur (DSPL).

Appuyez de nouveau sur (D SPL) pour revenir à

l’écran précédent.

Avec la mini-télécommande

À l’étape 4, pour régler l’heure et les minutes, appuyez

sur M ou m.

Retrait de la façade

Vous pouvez retirer la façade de cet appareil pour

le protéger du vol.

Alarme d’avertissement

Si vous mettez la clé de contact en position OFF

sans ôter la façade, l’alarme d’avertissement

retentit pendant quelques secondes.

L’alarme est émise uniquement lorsque

l’amplificateur intégré est utilisé.

1 Appuyez sur (OFF).

L’appareil est mis hors tension.

2 Appuyez sur , puis sortez la façade

en tirant vers vous.

Remarques

• N’exercez pas de pression excessive sur la façade

et la fenêtre d’affichage et ne l’échappez pas.

• N’exposez pas la façade à une température ou à un

taux d’humidité élevée. Évitez de la laisser dans un

véhicule en stationnement ou sur le tableau de bord

ou la plage arrière.

Touche

RESET

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Sony CDX-A251C Mode d'emploi

Marque: Sony

Modèle: CDX-A251C

Catégorie: Récepteurs multimédia de voiture

Taper: Mode d'emploi

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