PARTS NAME
SPECIFICATIONS
English
English
18 Hz - 22 000 Hz
Frequency response
Noise reduction
Memory foam ear pieces
Silicon rubber ear pieces
more than 18.5 dB at 200 Hz
(Under our measurement conditions.)
105 dB/1 mW (Power - ON),
103 dB/1 mW (Power - OFF)
36 K (Power - ON),
14 K (Power - OFF)
Thank you for purchasing this JVC product.
Before you begin operating this unit, please read the operating in-
structions carefully to be sure you get the best possible performance.
If you have any questions, consult your JVC dealer.
Bushing
Sensitivity
Input impedance
S
M
L
CAUTION
AAA battery (DC 1.5V) x 1
Power supply
Battery life*
1. For your safety...
Operation indicator
Power switch
Approx. 22 hours**
R Never use the headphones when driving a car, motorcycle, or bicy-
HA-NCX78 -J/-C
(using Manganese AAA battery)
Approx. 50 hours**
This could result in an accident.
cle.
R Pay special attention to traffic around you when using the head-
phones outside. Failure to do so could result in an accident.
R 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.
R Do not disassemble or modify the headphones.
R Do not allow flammable, water or metallic objests to enter the headphones.
R If you find skin problems where the headphones are in contact
with the skin, stop use of the headphones; otherwise, it may cause
inflammation or irritation to the skin.
(using Alkaline AAA battery)
Monitor switch
* Varies depending on operating conditions.
** Without ambient noise.
BATTERY INSERTION
1.5 m (4.9ft)
Cord length
Mass
1. Slide the battery cover open.
38 g (1.34 oz.) (incl. cord and battery)
26 g (0.90 oz.) (excl. battery)
2. Insert the supplied battery, matching the F and G. Insert G end first
then F end.
Carrying pouch x 1,
Accessories
3. Close the battery cover.
Manganese AAA battery (RO3) x 1,
Ear loop L/R x 1,
RDo not open the battery cover forcibly; it may break the battery cover.
RSupplied battery is for your initial use.
R In the dry air such as in winter, you may feel a static shock when
using the headphones.
Plug adaptor (for in-flight use) x 1,
Silicon rubber ear pieces 3 pairs
(small, medium, large)
2. Avoid using the headphones...
Changing the Battery
R in places subject to excessive humidity or dust
R in places subject to extremely high (over 40I or 104J) or low (un-
der 0I or 34J) temperatures
Memory foam ear pieces x 2
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 make sure to replace the battery.
*
Designs and specifications are subject to change without notice.
3. DO NOT leave the headphones...
R exposed to direct sunlight
SPÉCIFICATIONS
Français
NOTES: Misuse of battery could result in leakage. This could cause a fire
R near a heater
18 Hz - 22 000 Hz
Réponse de
fréquence
or explosion. To prevent this, pay special attention to the following points
:
4.To protect the headphones, DO NOT...
R
Be sure to insert the battery with correct positive F and negative G polarities.
R allow them to get wet
plus de 18,5 dB à 200 Hz en mode bande étendue
(dans nos conditions de mesure.)
RDo not heat, disassemble or short-circuit battery and never dispose
of it by throwing in fire.
Suppression du
bruit
R shake them or drop them against hard objects
5. For replacing the ear pieces...
R Attach the ear pieces firmly when replacing them; otherwise, the
ear pieces may be left in your ears when taking the headphones off.
R If the ear piece is left in your ear, be careful not to push it deep into
the ear canal.
RRead the caution on the battery before use.
105 dB/1 mW (Sous tension - ON),
103 dB/1 mW (Hors tension - OFF)
Sensibilité
USING THE HEADPHONES
36 Ω (Sous tension - ON), 14 Ω (Hors tension - OFF)
Pile AAA (DC 1,5V) x 1
Impédance d’entrée
Alimentation
1.
Identify the left and right headphone. Insert the
headphones with the bushing pointing up, and
hang the cord over the ears.
Precautions for use
o Be careful not to apply the power that exceeds the headphone’s input
capacity. This may result in sound distortion and could damage the
oscillation board.
o Grasp and pull the plug itself to disconnet the headphone. Do not pull
out the cord.
o When using the headphones nearby a cellular phone, noise may occur.
Keep the headphones away from the cellular phone.
o 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 headphones.
o The ear pieces deteriorate with age even in normal use and maintenance.
o Store the ear pieces in a place where children cannot reach to avoid
the risk of the accident such as swallowing them.
o When using the inner ear headphones, you may hear the cord rubbing
or the sound transmitted through the body while walking.
o If you feel sick while using the headphones, stop using immediately.
o Sound distortion may occur and loud noises may be heard when the
battery is low but this is not a malfunction. In this case, the battery
needs to be changed.
environ 22 heures** (pile manganèse AAA)
environ 50 heures** (pile alcaline AAA)
* Varie en fonction des conditions d’utilisation.
** Sans bruit de fond.
Durée de vie de
la pile*
2.Put on the headphones firmly.
3.Slide the POWER switch to ON to activate the noise-canceling
function.
1,5 m
Longueur du
cordon
The operation indicator lights up.
RWithout turning on the power, you can use the headphones. In this
case, the noise-canceling function does not work.
RWhen you turn on the power without connecting the audio component,
only the ambient noise will be reduced.
38 g (1,34 oz.) (pile et cordon inclus), 26 g (0,90 oz.) (sans pile)
Poids
Étui de transport x 1
Pile AAA au manganèse (RO3) x 1
Boucle d’oreille G/D x 1
Accessoires
Adaptateur de prise (pour usage en vol) x 1
Écouteurs en caoutchouc de silicone, 3 paires (petits,
moyens, grands)
For the better sounds and comfort fit
The medium-size ear pieces are attached when purchased.
You may not enjoy the bass sound fully if the ear pieces are not fit to
your ears. To enjoy better sounds and full noise canceling effect, choose
the ear pieces from the supplied ear pieces and adjust their positions to
fit them to your ears.
Écouteurs en mousse à mémoire de forme x2
* Présentation et caractéristiques modifiables sans préalavis.
ESPECIFICACIONES
Español
o Please follow the instructions of the airlines when using the head-
phones in the aircraft cabin. The headphones may not be usable
depending on the audio system on the aircraft.
Using memory foam ear pieces
o When the ear pieces get dirty, clean the surface with a damp cloth. Do
not wash with water.
o Replace the ear pieces in the following cases: they lose its elasticity;
they are stained badly; they are broken or deformed.
Using silicon rubber ear pieces
o When the ear pieces get dirty, detach the ear pieces and wash them in
water-diluted detergent. After washing, dry the ear pieces and attach
to the headphones.
Using the memory foam ear pieces
18 Hz - 22 000 Hz
Respuesta en
frecuencia
Compress the ear pieces slightly and insert them into the ears. Restore
the ear pieces and fit them into the ears.
más de 18,5 dB a 200 Hz en modo de banda ancha
(Bajo nuestras condiciones de medida.)
Reducción de
ruido
Install the ear loop
RFix the bushing to the ear
loop. Identify the left and
right ear loop before installing.
RFit the cord into the groove
of the ear loop.
105 dB /1 mW (Energía - ON),
103 dB /1 mW (Energía - OFF)
Sensibilidad
36 K (Energía - ON), 14 K (Energía - OFF)
Impedancia de entrada
Alimentación
una pila AAA (CC 1,5V) x 1
aprox. 22 horas** (con pila AAA de manganeso)
aprox. 50 horas** (con pila AAA alcalina)
* Varía según las condiciones de funcionamiento.
** Sin ruido ambiental.
Duración de la
USING THE MONITOR FUNCTION
pila
*
FEATURES
Press the MONITOR switch.
The playback sounds is muted and you can hear surroundings easily
without taking the headphones off. The noise-canceling function does
not work while the monitor function is on.
o Multi noise-reduction system
1) 88% ambient noise reduction
2) Over the ear cord style for friction noise reduction
3) Built-in silent circuit electrical noise* reduction
4) Flat housing for wind noise reduction
1,5 m
Longitud del cable
Masa
38 g (1,34 oz.) (incl. cable y pila), 26 g (0,90 oz.) (excl. pila)
Bolsa de transporte x 1,
Pila de AAA de manganeso (RO3) x 1,
Lazo para oreja L/R x 1,
Accesorios
o Detachable soft ear loop to secure over-the-ear cord fit
0107
Adaptador de conector (para uso en vuelos) x 1,
Adaptadores de auriculares de goma de silicona,
3 pares (pequeño, medio, grande)
o Monitor function on/off allows you to hear surrouding sounds
*electrical noise: High frequency noise generated in the noise canceling
circuit that becomes more noticeable during quiet tunes or between
tracks. Also known as white noise.
Almohadillas viscoelásticas para auriculares x 2
* Diseño y especificaciones sujetos a cambios sin previo aviso.
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