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JVC HA-NC120 -J Instructions

Stereo headphones
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HA-NC120 -J
For Customer Use :
Enter the Model No. (on the inside of the
band) and the Serial No. (near the battery
housing) below.
Retain this information for future reference.
Model No.
Serial No.
[European Union only]
[Union européenne uniquement]
[Sólo Unión Europea]
Printed in China
© 2010 Victor Company of Japan, Limited
Thank you for purchasing this JVC product.
Before you begin operating this unit, please read the operating instructions carefully to be sure you get the best possible performance.
If you have any questions, consult your JVC dealer.
1. For your safety...
• Never use the headphones when driving a car, motorcycle, or bicycle. This could result
in an accident.
• Do not listen at high volume for an extended period. Do not use while driving or
• Pay special attention to traffic around you when using the headphones outside. Failure
to do so could result in an accident.
• Be careful not to turn up the sound volume too high. Your hearing can be damaged by
listening to sounds at excessive volume for long periods.
• Do not disassemble or modify the headphones.
• Do not allow flammable, water or metallic objects to enter the headphones.
• If skin problems occur when in contact with headphones, discontinue use; otherwise it
may cause inflammation or irritation to the skin.
• In the dry air such as in winter, you may feel a static shock when using the headphones.
• If you feel sick while using the headphones, stop using immediately.
• Be sure that your hair or any other objects do not get caught in the headband slider
(adjuster) when adjusting the headband.
2. Avoid using the headphones...
• in places subject to excessive humidity or dust
• in places subject to extremely high (over 40°C or 104°F) or low (under 0°C or 32°F)
3. DO NOT leave the headphones...
• exposed to direct sunlight
• near a heater
4. To protect the headphones, DO NOT...
• allow them to get wet
• shake them or drop them against hard objects
5. Hearing Comfort and Well-being
• Do not play your personal audio at a high volume. Hearing experts advise against
continuous extended play.
• If you experience a ringing in your ears, reduce volume or discontinue use.
6. Traffic Safety
• Do not use while operating a motorized vehicle. It may create a traffic hazard and is
illegal in many areas.
• You should use extreme caution or temporarily discontinue use in potentially
hazardous situations.
• Even though your headphones are of the open-air type designed to let you hear outside
sounds, don't turn up the volume so high that you can't hear what's around you.
☐ Be careful not to apply the power that exceeds the headphones' input capacity. This may
result in sound distortion and could damage the oscillation board.
☐ Grasp and pull the plug itself to disconnect the headphones. Do not pull out the cord.
☐ When using the headphones nearby a cellular phone, noise may occur. Keep the
headphones away from the cellular phone.
☐ The ear pads will wear out earlier than the other parts even in normal use or in normal
storage due to the material characteristics.
☐ For replacement of the ear pads, consult with the dealer where you purchased the
☐ When covering the headphones with an object, the noise-canceling function may not
work well or howling noise may occur. In this case, take away the object covering the
☐ Please follow the instructions of the airlines when using the headphones in the aircraft
cabin. The headphones may not be usable depending on the audio system on the aircraft.
The battery should be changed when the operation indicator fades or does not turn on.
The noise-canceling function becomes less effective as the battery wears down so be sure to
replace the battery as necessary to maintain the proper performance of the headphones.
Misuse of the battery could result in leakage. This could cause a fire or an
explosion. To prevent this, pay special attention to the following points:
• Be sure to insert the battery with the positive ª and negative · polarities correctly
• Do not heat, disassemble or short-circuit battery and never dispose of it by throwing it
in a fire.
• Read the caution on the battery before use.
• Be sure not to change the battery in a place where there is a lot of dust.
• Be sure to remove the battery if you are not going to use the headphones for a long time.
Turn off the power before replacing the battery.
Insert the · end first, then push the
Slide off the battery cover on the right
battery in.
Right housing
Close the battery cover.
Power switch
To activate the noise-canceling function
• You can listen to an audio source even if you
do not turn on the headphones, but the noise-
canceling function will not work.
Operation indicator
Sound distortion may occur and loud noise may be heard when the battery voltage is low.
This is not a malfunction. In this case, replace the battery with a new one.
When the volume of in-flight audio system is too loud
Turn on the volume limiter (volume attenuator) to reduce the volume.
Volume limiter (volume attenuator) switch
(on the left housing)
To extend the cord
End mark
Pull out the cord gently to the desired length.
• The maximum cord length is 1.2 m (3.94 ft).
• When the end mark appears, stop pulling the cord to
prevent it from being damaged.
To retract the cord
Retract button
Push the retract button using the projection on the back
of the plug.
• If the cord is not retracted, pull it out a little and try
• You can retract the cord with a portable audio player
The cord retracts very quickly. Therefore, when
retracting the cord, hold it lightly near the cord hole to
Plug holder
make sure it retracts smoothly.
After retracting the cord, insert the plug into plug
• Do not insert the plug into the cord hole.
• Do not insert any other objects into the plug holder
or cord hole.
The active noise-canceling function does not reduce high frequency noise. It cancels
out noise which mainly consists of low frequencies, such as that from vehicles, air
conditioners, etc.
Frequency response
10 Hz – 21,000 Hz (power — ON)
Noise reduction
more than 18.5 dB at 200 Hz
* Under the JVC measurement standard.
113 dB/1 mW (power — ON)
114 dB/1 mW (power — OFF)
* Volume limiter — OFF
Input impedance
30 Ω (power — ON), 36 Ω (power — OFF)
* Volume limiter — OFF
Driver unit
ϕ30 mm
Power supply
AAA battery (DC 1.5 V) x 1
Battery life
Approx. 100 hours* (using Alkaline AAA battery)
Approx. 40 hours* (using Manganese AAA battery)
* Varies depending on operating conditions.
* Under the JVC measurement standard.
Cord length
0 – 1.2 m (3.94 ft)
160 g (5.64 oz) (incl. cord and battery)
145 g (5.11 oz) (excl. cord and battery)
Carrying pouch x 1
Manganese AAA battery (R03) x 1 (The supplied battery
is only for initial use.)
Dual plug adapter (for in-flight use) x 1
• Designs and specifications are subject to change without notice.
Réponse en fréquence
10 Hz – 21.000 Hz (sous tension — ON)
Suppression de bruit
plus de 18,5 dB à 200 Hz
* Sous le standard de mesure JVC.
113 dB/1 mW (sous tension — ON)
114 dB/1 mW (hors tension — OFF)
* Limiteur de volume — OFF
Impédance d'entrée
30 Ω (sous tension — ON), 36 Ω (hors tension — OFF)
* Limiteur de volume — OFF
ϕ30 mm
Pile AAA (CC 1,5V) x 1
Durée de vie de la pile
environ 100 heures* (pile alcaline AAA)
environ 40 heures* (pile manganèse AAA)
* Varie en fonction des conditions d'utilisation.
* Sous le standard de mesure JVC.
Longueur du cordon
0 – 1,2 m (3,94 pieds)
160 g (5,64 onces) (cordon et pile inclus)
145 g (5,11 onces) (sans le cordon et la pile)
Housse de transport x 1
Pile manganèse AAA (R03) x 1 (La pile fournie est
uniquement pour l'utilisation initiale.)
Adaptateur de fiche double (pour utilisation dans les
avions) x 1
• Présentation et caractéristiques modifiables sans préavis.
Respuesta de frecuencia
10 Hz – 21.000 Hz (energía — ON)
Reducción de ruido
más de 18,5 dB a 200 Hz
* De acuerdo con las normas de mediciónn de JVC.
113 dB/1 mW (energía — ON)
114 dB/1 mW (energía — OFF)
Cord hole
* Atenuador de volumen — OFF
Impedancia de entrada
30 Ω (energía — ON), 36 Ω (energía — OFF)
* Atenuador de volumen — OFF
ϕ30 mm
una pila AAA (CC 1,5 V) x 1
Duración de la pila
aprox. 100 horas* (con pila AAA alcalina)
aprox. 40 horas* (con pila AAA de manganeso)
* Varía según las condiciones de funcionamiento.
* De acuerdo con las normas de mediciónn de JVC.
Longitud del cable
0 – 1,2 m (3,94 pies)
160 g (5,64 onzas) (con el cable y la pila)
145 g (5,11 onzas) (sin el cable y la pila)
Estuche portátil x 1
Pila AAA de manganeso (R03) x 1 (La pila suministrada
es sólo para uso inicial.)
Adaptador de enchufe doble (para uso durante el vuelo) x 1
• Diseño y especificaciones sujetos a modificaciones sin previo aviso.



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  Summary of Contents for JVC HA-NC120 -J

  • Page 1 • Be sure not to change the battery in a place where there is a lot of dust. • Be sure to remove the battery if you are not going to use the headphones for a long time. Turn off the power before replacing the battery.
  • Page 2 Nous vous félicitons d’avoir acquis ce produit JVC. Avant de vous en servir, lisez attentivement le mode d’ e mploi pour en obtenir les meilleures performances. Français Si vous avez d’autres questions, interrogez votre revendeur JVC. UTILISATION DU CASQUE PRÉCAUTIONS 1.

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