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D-NF340/NF341_2-893-762-64(2)_GB

FM

Portable CD Player

Operating Instructions

2-893-762-

64 (2)

©2006 Sony Corporation    Printed in China

D-NF340

D-NF341

“WALKMAN”,   

   , and   

   are registered trademarks of Sony Corporation.

WARNING

To reduce the risk of fire or electric shock, do not expose this 
apparatus to rain or moisture.

Do not install the appliance in a confined space, such as a 
bookcase or built-in cabinet.

To reduce the risk of  fire, do not cover the ventilation of the 
apparatus with newspapers, tablecloths, curtains, etc. And do not 
place lighted candles on the apparatus.

To reduce the risk of fire or electric shock, do not place objects 
filled with liquids, such as vases, on the apparatus.

CAUTION

The use of optical instruments with this product will increase eye 
hazard.

Certain countries may regulate disposal of the battery used to 
power this product. Please consult with your local authority.

The validity of the CE marking is restricted to only those countries 
where it is legally enforced, mainly in the countries EEA (European 
Economic Area).

Disposal of Old Electrical & Electronic Equipment 

(Applicable in the European Union and other European 

countries with separate collection systems)

 This symbol on the product or on its packaging 

indicates that this product shall not be treated as 
household waste. Instead it shall be handed over to 
the applicable collection point for the recycling of 
electrical and electronic equipment. By ensuring 
this product is disposed of correctly, you will help 
prevent potential negative consequences for the 
environment and human health, which could 

otherwise be caused by inappropriate waste handling of this 
product. The recycling of materials will help to conserve natural 
resources. For more detailed information about recycling of this 
product, please contact your local Civic Office, your household 
waste disposal service or the shop where you purchased the 
product.
Applicable Accessories: Headphones, Remote control

The following FCC statement applies only 

to the version of this model manufactured 

for sale in the USA. Other versions may not 

comply with FCC technical regulations.

Note: 

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:

*  The button has a tactile dot.
**  Except CEQ model.  

“CEQ” is the area code. For the area code of the model you purchased, check the upper left side of the bar code on the package.

Display

*(play/pause)•ENTER

/

 (group) –/+•TUNE –/+

DISPLAY

P MODE/

SOUND/AVLS

RADIO ON/MEMORY

VOL –/+*

 (stop)•RADIO OFF

DC IN 4.5 V

to an AC outlet 

OPEN

AC power adaptor

 (headphones) jack

Headphones
HOLD (rear)

MP3 indicator

Disc indicator

Remaining battery power

Group indicator

Bookmark

Track number/Preset number/Playing 

time/Frequency

MONO/LOCAL

Sound mode

Play mode

AVLS* function

*Automatic Volume Limiter System

Press and hold SOUND/AVLS to select “AVLS ON” or “AVLS 
OFF.”

You can also use this function while listening to the radio.

AMS* / search function

*Automatic Music Sensor

To find the beginning of the previous/current/next/succeeding 
track(s): Press 

/

 repeatedly.

To go backward/forward quickly: Press and hold 

/

.

Checking CD information on the display

You can check CD information on the display.
Depending on the region in which you purchased your CD 
player, the default language may not be “ENGLISH.” Change the 
LANGUAGE setting, if necessary.
When you are playing MP3 CD containing files with an ID3 
tag, ID3 tag information is displayed. (When there is no ID3 tag 
information, nothing is displayed.)

Notes

• The characters A–Z, a-z, 0-9, and _ can be displayed on this 

player.

• Before playing a file, the player reads all file and group 

(or folder) information on the CD. “Reading” is displayed. 
Depending on the content of the CD, it may take some time to 
accomplish this reading.

To check information on the display

Press DISPLAY repeatedly.

Audio CD

Track number, elapsed 

playing time

Remaining time of the 

current track

Total number of tracks on 

the CD, total remaining 

time of the CD*

1)

MP3 CD

File number, elapsed 

playing time

Title*

2)

Artist name*

2)

Album name*

2)

Total number of files

*1) The displays appear only during normal play.
*2) During play, these informations are not displayed if the 

disc does not have ID3 tag information.

Play mode function 

During play, press P MODE/

 repeatedly:

No indication (normal play) 

 “

 (group play)”

*1

 

 “1 (single 

track play)” 

 “SHUF (shuffle play)” 

 “

 SHUF (group 

shuffle play)”

*2 

 “

 (Bookmark play)”

To repeat the play mode you selected, press and hold P MODE/

 

until “

” appears.

*1

  All files in the selected group are played once. MP3 CD only.

*2

  All files in the selected group are played once in random order. 

MP3 CD only.

Bookmark play

If you add bookmarks to your favorite tracks, you can listen to 
these tracks only from the track with the lowest number.

During playback of the track where you want to add a 
Bookmark, press and hold 

•ENTER until “

 (Bookmark)” 

flashes on the display.

Repeat step 1 to add Bookmarks to the tracks you want (up to 99 
tracks for each audio CD and 512 tracks for each MP3 CD).

Press P MODE/

 repeatedly until “

 ” flashes.

Press 

•ENTER.

To remove the Bookmarks

During playback of the track with a Bookmark, press and hold 

•ENTER until “

” disappears from the display.

If you change CDs and start playing, all the bookmarks added for 
the previous CD will be erased.

Listening to the Radio

Press RADIO ON/MEMORY to turn on the radio.

Press TUNE + or – to tune in the station you want and adjust the 
volume.

Turning off the radio

Press 

 • RADIO OFF.

Tuning in the station quickly

Press and hold TUNE + or – in step 2 until the frequency digits 
begin to change on the display. The CD player automatically scans 
the radio frequencies and stops when it finds a clear station.

Emphasizing the bass sound

While listening to the radio, press SOUND/AVLS repeatedly to 
make “SOUND” appear.

Improving broadcast reception

Extend the headphones cord.

Headphones

Note

Keep the headphones connected to the 

 jack of the CD player. 

The headphones cord works as the FM antenna.

–  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.

Discs Playable on this CD 

Player

• Audio CDs 

(CD-DA format CDs)

• MP3 CDs 

(CD-R/CD-RW on which audio data compressed in 

the MP3 format has been recorded)*
* Only ISO 9660 Level 1/2 and Joliet extension format discs can 

be played.

Bit rates and sampling frequencies this CD player can play are as 
follows. Variable Bit Rate (VBR) files can also be played.

Bit rates

Sampling frequencies

MPEG-1 Layer3

32 kbps – 320 kbps 32/44.1/48 kHz

MPEG-2 Layer3

  8 kbps – 160 kbps 16/22.05/24 kHz

MPEG-2.5 Layer3   8 kbps – 160 kbps 8/11.025/12 kHz

MP3 CDs

The usable number of groups and files
• Maximum number of groups: 256
• Maximum number of files: 512

Playing order

The playing order may differ depending on the method used to 
record MP3 files on the disc. In the following example, files are 
played in order of 

1

 to 

7

.

MP3

Group

File

(Maximum directory levels: 8)

Notes

• Depending on the quality of the disc and/or the condition of the 

recording device, it may take a while for playback to start. It is 
also possible playback may not start at all.

• On a disc that has MP3 files, do not save files in other formats 

and do not make unnecessary folders.

• Be sure to add the file extension “mp3” to the file name. 

However, if you add the extension “mp3” to a file other than an 
MP3 file, the player will not be able to recognize the file properly.

• To compress a source in an MP3 file, we recommend setting 

the compression parameters to “44.1 kHz,” “128 kbps,” and 
“Constant Bit Rate.”

• To record up to the maximum capacity, set the writing software to 

“halting of writing.”

Power Sources

To use the batteries (not supplied)

Slide OPEN to open the player lid and open the battery 
compartment lid inside the CD player.

Insert two LR6 (size AA) alkaline batteries by matching the 

 

to the diagram inside the CD player and close the lid until it 
clicks into place. Insert the 

 end first (for both batteries).

Battery life* (approx. hours) 

(When the CD player is used on a flat and stable place.)
Playing time varies depending on how the CD player is used.

When using two Sony alkaline batteries LR6 (SG)  

(produced in Japan)

G-PROTECTION

G-on G-off

Audio CD

20

14

MP3 CD (Recorded at 128 kbps)

30

30

RADIO ON

50

* Measured value by the standard of JEITA (Japan Electronics and 

Information Technology Industries Association).

• The indicator sections of 

 roughly show the remaining 

battery power. One section does not always indicate one-fourth of 
the battery power.

To use the AC power adaptor

Connect the AC power adaptor as illustrated.

Playing a CD

Slide OPEN to open the lid and fit the CD to the pivot, then 
close the lid.

Press 

•ENTER.

To play from the first track, press and hold 

•ENTER until 

playback starts while the CD player is stopped. 
To jump to the succeeding/previous groups*, press 

 + or 

 –. 

*MP3 CD only
• This CD player can play CD-Rs/CD-RWs recorded in the 

Compact Disc Digital Audio (Audio CD) format, but playback 
capability may vary depending on the quality of the disc and 
the condition of the recording device.

• This product is designed to play back discs that conform to the 

Compact Disc (CD) standard. 
Recently, various music discs encoded with copyright 
protection technologies are marketed by 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.

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.

Digital MEGA BASS function 

During play, press SOUND/AVLS repeatedly to select “SOUND 1” 
or “SOUND 2.”
If the sound is distorted, turn down the volume.

While listening to the radio, this function is disabled.

HOLD

*(play/pause) 

Headphone jack (rear)

 (stop)•

RADIO ON/OFF

VOL –/+*

/

Note

Use only the supplied remote control. You cannot 
operate this player with any other remote control.

Connect your headphones to the 

remote control securely.

 (group) –/+

(•TUNE –/+)

Remote control**

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