Manual Sony MDR-NC500D Headphone

Manual

Noise Canceling

headphones

Operating Instructions

Mode d’emploi

Manual de instrucciones

MDR-NC50

© 2006 Sony Corporation Printed in Malaysia

2-678-798-21(1)

English

WARNING

To prevent fire or shock hazard,

do not expose the unit to rain or

moisture.

To avoid electrical shock, do not

open the cabinet. Refer

servicing to qualified personnel

only.

For the customers in the U.S.A.

This device complies with Part 15 of the FCC

Rules. Operation is subject to the following two

conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any

interference received, including interference that

may cause undesired operation.

You are cautioned that any changes or

modifications not expressly approved in this

manual could void your authority to operate this

equipment.

Owner’s Record

The model number is located on the left inner side

of the headband. The serial number is located on

the right inner side of the headband.

Record the serial number in the spaces provided

below. Refer to them whenever you call upon

your Sony dealer regarding this product.

Model No. MDR-NC50

Serial No.

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).

Features

• Noise cancelling headphones reduce ambient

noise, and provide a quieter environment to

enhance audio entertainment.

Ambient sound is synthesized with an anti-

sound signal produced by the noise cancelling

circuit, and reduced. (Over 14 dB is reduced at

300 Hz.)

• Slim, folding design for easy portability.

• Neodymium magnets for powerful sound.

• Passive operation when noise-canceling circuit

is not activated.

• Built-in monitor function to hear surrounding

sound without taking off the headphones.

• Supplied plug adaptor for easy connectivity to

stereo or dual jack of in-flight music services.

Installing a battery

1 Open the right housing, as illustrated.

2 Open the lid of the battery box of the

headphone to insert one size AAA

battery.

3 Close the lid.

Battery life

*

1

1 kHz, 1 mW + 1 mW input

*

2

Time stated above may vary, depending on the

temperature or conditions of use.

When to replace the battery

Replace the battery with a new one when the

POWER indicator dims. The noise canceling

feature may not work correctly if battery power is

low.

Listening to music

1 Connect the headphones to the AV

equipment.

* “WALKMAN” is a registered trademark of Sony

Corporation to represent Headphone Stereo products.

Notes

• Insert the plug in the jack until you hear a click.

• To disconnect the cord, pull it out by the plug,

not the cord, as the inner conductors may

break.

2 Turn on the power on the right side of the

headphones.

The POWER indicator lights in red. When the

power is turned on, ambient noise is reduced,

and you can listen to music more clearly at a

lower volume.

3 Put on the headphones so that the ear

pads cover your ears.

RL

4 Turn on the power of the AV equipment.

Hearing environmental sound for

safety.

Playback is muted while the MONITOR

switch is pushed so you can hear the

surrounding environment.

Note

The environmental sound might not be heard if

the microphone is covered with your fingers.

Notes on using on the

airplane

• The supplied plug adaptor can be connected to

dual and stereo mini jacks.

• Do not use the headphones when use of

electronic equipment is prohibited or when use

of personal headphones for in-flight music

services is prohibited.

If you have any questions or problems concerning

the system that are not covered in this manual,

please consult the nearest Sony dealer.

After listening to music

Turn off the power of the headphones.

Folding the

headphones

Folding

The housings rotate to make them flat for easy

storage in the carrying case (supplied), or in a seat

pocket.

Restore to their usual position before using.

Putting the headphones in the

carrying case

Fold the headphones before putting them in the

carrying case.

2

1

1 You can carry the carrying case by hand by

undoing the button and pulling out the

attached belt.

2 The supplied cord, unimatch plugs or reserve

batteries can also be stored.

Note on storing the connecting

cord

Store the connecting cord in the carrying case

with both plugs together to avoid short circuiting

the battery.

Precautions

The headphones contain a noise canceling circuit.

What is noise canceling?

The noise canceling circuit actually senses outside

noise with built-in microphones and sends an

equal-but-opposite canceling signal to the

headphones.

• The noise canceling effect may not be

pronounced in a very quiet environment, or

some noise may be heard. In such a case, turn

the POWER switch off.

• The noise canceling effect may vary depending

on how you wear the headphones.

• When you turn the POWER switch on, the

operation sound of the noise canceling may be

noticeable. This is not a malfunction.

• The noise canceling function is only effective

for noise in the low frequency band. Although

noise is reduced, it is not canceled completely.

• When you use the headphones in a train or a

car, noise may occur depending on street

conditions. In such a case, turn the POWER

switch off.

• You can use the headphones without turning on

the power. In this case, the noise canceling

function is not active, and the headphones

operate as passive headphones.

• Howling may occur if you do not wear the

headphones correctly.

• Mobile phones may cause noise. Keep the

headphones away from mobile phones.

Battery

Sony alkaline LR03/AM-4

(N) (size AAA) battery

Sony manganese R03/ UM-4

(NU) (size AAA) battery

Approx. hours*

1

30 hours*

2

15 hours*

2

Match the e on

the battery to the

e in the battery

case.

Notes on usage

• Clean the headphones with a soft dry cloth.

• Do not leave the plug dirty otherwise the sound

may be distorted.

• Be sure to consult a Sony dealer when the

earpads become dirty or damaged, or when the

headphones require repair work.

• Do not leave the stereo headphones in a

location subject to direct sunlight, heat or

moisture.

Note on headphones

Preventing hearing damage

Avoid using headphones at high volume. Hearing

experts advise against continuous, loud and

extended play. If you experience a ringing in your

ears, reduce the volume or discontinue use.

Do not listen with the

headphones while driving or

cycling

As your headphones reduce outside sounds, it

may cause traffic accident. Also avoid using them

where hearing must not be impaired, for example,

at a railroad crossing, a site of construction, etc.

Troubleshooting

No sound

• Check the connection of the headphones and

the AV equipment.

• Check that the connected AV equipment is

turned on.

• Turn up the volume of the connected AV

equipment.

Muffled sound

• Turn down the volume of the connected AV

equipment.

• Replace the battery.

Power does not turn on

• Check if the battery has expired (the POWER

indicator dims).

• Replace the battery with a new one.

Howling

• Make sure you are wearing the headphones

correctly.

Specifications

General

Type Dynamic, closed

Driver units 40 mm, dome type

Power handling capacity

100 mW

Impedance 40 Ω at 1 kHz

(when the power is on)

100 Ω at 1 kHz

(when the power is off)

Sensitivity 102 dB/mW

(when the power is on)

100 dB/mW

(when the power is off)

Frequency response

14 – 22,000 Hz

Frequency range of active noise attenuation

40 – 1,500 Hz, more than 14 dB at

300 Hz

Power source DC 1.5 V, 1 × R03 (size AAA) battery

Mass

Approx. 290 g (11 oz) including battery

Supplied accessories

Connecting cord (1.5 m, gold plated L type stereo

mini plug)(1), Carrying case (1), Plug adaptor for

in-flight use* (single/dual)(1), Gold-plated

unimatch plug adaptor (stereo phone plug y

stereo mini jack)(1), Operating Instructions (1)

* May not be compatible with some in-flight

music services.

Design and specifications are subject to change

without notice.

Français

AVERTISSEMENT

Afin d’éviter tout risque

d’incendie ou d’électrocution,

n’exposez pas cet appareil à la

pluie ou à l’humidité.

Afin d’écarter tout risque

d’électrocution, gardez le coffret

fermé. Ne confiez l’entretien de

l’appareil qu’à un professionnel.

La validité du marquage CE est limitée

uniquement aux pays dans lesquels il fait force de

loi, c’est-à-dire principalement dans les pays de

I’EEE (Espace Économique Européen).

Caractéristiques

• Casque anti-bruit réduisant les bruits ambiants

et offrant un environnement plus silencieux

pour profiter pleinement des sons.

Les sons ambiants sont synthétisés, puis réduits

grâce à un signal anti-bruit généré par le circuit

anti-bruit. (Obtention d’une réduction de plus

de 14 dB à 300 Hz.)

• Modèle compact et pliable pour un transport

plus aisé.

• Aimants néodymes pour un son plus puissant.

• Fonctionnement passif lorsque le circuit de

réduction du bruit n’est pas activé.

• Fonction de contrôle intégrée pour entendre les

bruits environnants sans retirer le casque.

• Adaptateur de fiches fourni pour se raccorder

facilement à une prise stéréo ou double des

services musicaux à bord des avions.

Installation d’une pile

1 Ouvrez l’écouteur droit, comme illustré.

2 Ouvrez le couvercle du compartiment à

pile du casque pour insérez une pile

taille AAA.

3 Refermez le couvercle.

Autonomie de la pile

*

1

1 kHz, 1 mW + 1 mW en entrée

*

2

la durée mentionnée ci-dessus peut varier en

fonction de la température ou des conditions

d’utilisation.

Quand remplacer la pile

Remplacez la pile dès que le voyant POWER

faiblit. La fonction de réduction du bruit peut ne

pas fonctionner correctement si la pile est

déchargée.

Écoute de musique

1 Raccordez le casque à l’équipement

audio/vidéo.

* «WALKMAN» est une marque déposée par Sony

Corporation pour représenter les produits stéréo dotés

d’écouteurs.

Remarques

• Insérez la fiche dans la prise jusqu’au déclic.

• Pour débrancher le cordon, tirez sur la fiche et

non sur le cordon car les conducteurs internes

risquent de se rompre.

2 Mettez le casque sous tension en

appuyant sur POWER du côté droit du

casque.

Le voyant POWER s’allume en rouge.

Lorsque le casque est alimenté, le bruit

d’ambiance est réduit, ce qui permet d’obtenir

un son plus net, même à un volume très bas.

3 Mettez le casque de sorte que vos oreilles

soient bien recouvertes par les écouteurs.

RL

4 Mettez l’équipement audio/vidéo sous

tension.

Perception des bruits ambiants

pour votre sécurité.

La lecture est mise en sourdine lorsque le

commutateur MONITOR est poussé pour que

vous puissiez entendre les bruits

environnants.

Remarque

Il est possible que vous ne perceviez pas les bruits

ambiants si vous couvrez le microphone avec les

doigts.

Remarques à propos de

l’utilisation à bord d’avions

• L’adaptateur de fiches fourni peut être raccordé

à des mini-prises bilatérales et stéréo.

• N’utilisez pas ce casque lorsque l’utilisation

d’équipements électroniques ou d’écouteurs

personnels avec des services musicaux à bord

d’avions est interdite.

Si vous avez des questions ou des problèmes

concernant le fonctionnement de cet appareil, qui

ne sont pas abordés dans ce mode d’emploi,

consultez votre revendeur Sony le plus proche.

Une fois l’écoute terminée

Mettez le casque hors tension.

Pliage du casque

Pliage

Grâce au pivotement des écouteurs, le casque

devient plat et se range facilement dans l’étui de

transport (fourni) ou dans une poche de siège.

Replacez-les dans leur position habituelle avant

de les utiliser.

Rangement du casque dans

l’étui de transport

Pliez le casque avant de le placer dans l’étui.

2

1

1 Vous pouvez porter l’étui de transport à la

main en appuyant sur le bouton et en tirant sur

la sangle.

2 Le cordon fourni, les fiches unimatch ou les

piles de rechange peuvent également être

rangés dans l’étui de transport.

Remarque sur le rangement du

cordon de raccordement

Rangez le cordon de raccordement dans l’étui de

transport en regroupant les deux fiches afin

d’éviter de court-circuiter la pile.

suite à la page suivante

LR

En cas de la connexion à la

mini-prise stéréo de la

télécommande fournie avec un

WALKMAN*, etc.

Faites

correspondre le

pôle e de la pile

avec le pôle e du

logement à piles.

Pile

Pile alcaline LR03/AM-4(N)

(taille AAA) Sony

Pile au manganèse R03/UM-4

(NU) (taille AAA) Sony

Autonomie

approximative*

1

30 heures*

2

15 heures*

2

ecouteurs

Pour le raccordement aux

prises doubles ou aux

minijacks stéréo d’un service

de musique en vol.

Vers la prise de casque

des sièges d’avion

En cas de la connexion à

la mini-prise stéréo d’un

WALKMAN*, etc.

télécommande

Cordon de

raccordement

1,5 m (fourni)

Adaptateur de

fiche (fourni)

LR

ON OFF

Noise canceling microphone

LR

monitor microphone

MONITOR

switch

LR

ON OFF

Microphone réducteur de bruit

LR

Contrôle du microphone

Commutateur

MONITOR

LR

When connecting to the stereo

mini jack of the remote control’s

jack supplied with a WALKMAN*,

etc.

Remote control

When connecting to the

stereo mini jack of a

WALKMAN*, etc.

Connecting cord

1.5 m (supplied)

Headphones

To headphone jack on

airplane seats

Plug adaptor (supplied)

When connecting to dual

or stereo mini jacks of

in-flight music services.

for dual jacks for stereo mini jacks

Pour prises bilatérales Pour mini-prises stéréo

OK

Rating

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