JVC HANC250, HA-NC250 -J-C User Manual

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STEREO HEADPHONES CASQUE STEREO AURICULARES ESTÉREO
HA-NC250 -J/C
INSTRUCTIONS MANUEL D’INSTRUCTIONS MANUAL DE INSTRUCCIONES
[European Union only] [Union européenne uniquement] [Sólo Unión Europea]
© 2007 Victor Company of Japan, Limited
Printed in China
LNT0087-001A
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Thank you for purchasing this JVC product.
English
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.
CAUTION
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.
Tr affic 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.
1. For your safety...
• Do not disassemble or modify the headphones.
• Do not allow inflammable, water or metallic objects to enter the headphones.
• If you find skin problems where the headphones are in contact with your skin, stop using the headphones; otherwise, it may cause further inflammation or irritation of the skin.
• When the air is dry such as in winter, you may feel a static shock when using the headphones.
• If you get sick while using the headphones, stop using them right away.
• 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)
temperatures
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 onto hard objects
☐ Be careful not to apply 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 using the cord. ☐ When using the headphones near 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 characteristics of the material used. ☐ When covering the headphones with an object, the noise-canceling function may not
work well or a howling noise may occur. In this case, take off the object which is covering
the headphones.
BATTERY INSERTION
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
Notes
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
positioned.
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 o ff the power before replacing the battery.
12
Put off the earpad.
Right housing
Insert the · end first, then push the battery in.
34
Push
The supplied battery is only for initial use.
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.
THE NOISE CANCELING FUNCTION
USING THE HEADPHONES
To activate the noise-canceling function
Power switch
Yo u can listen to the audio source even if you do not turn on the headphones, but
the noise-canceling function will not work.
When using the headphones only for noise reduction, you do not need to connect
the supplied cord.
Use the supplied cord only with these headphones.
Operation indicator
FOLDING AND STORING
R
Right
L
Left
SPECIFICATIONS
Frequency response 8 Hz – 24, 000 Hz (power — ON) Noise reduction More than 16.5 dB at 150 Hz Sensitivity 102 dB/1 mW (power — ON)
Input impedance 40 Ω (power — ON), 96 Ω (power — OFF) Driver unit ϕ40 mm Power supply AAA battery (DC 1.5 V) x 1 Battery life Approx. 20 hours* (using Manganese AAA battery)
Cord length** 1.2 m (3.9 ft) (detachable) Mass 150 g (5.30 oz) (incl. battery)
Accessories Carrying case x 1, Manganese AAA battery (R03) x 1,
• Designs and specifications are subject to change without notice.
100 dB/1 mW (power — OFF)
Approx. 50 hours* (using Alkaline AAA battery) * Va ri es depending on operating conditions. * Without ambient noise.
140 g (4.94 oz) (excl. battery)
Cord**x 1, Dual plug adapter (for in-flight use) x 1, Stereo phone plug adapter 6.3 mm (1/4 inch) x 1
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