POWER
O
N
O
FF
Listening to music
1
Connect the headphones to the AV
equipment.
2
Turn on the power 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.
4
Turn on the power of the AV equipment.
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.
Notes
• The noise canceling function is only effective for noise in
the low frequency band. Although noise is reduced, it
is not canceled completely.
• Do not cover the microphone of the headphones with
your hands. The noise canceling function may not work
properly.
• If you cover the microphone of the headphones with
your hands, howling may occur.
In this case, move your hands away from the
microphone.
• 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.
Installing a battery
1
Open the lid of the battery case on the
right inner side of the headphone.
2
Insert one R03 (size AAA) battery by
matching the + and – on the battery to the
+ and – in the battery case.
3
Close the lid.
Battery life
When to replace the battery
Replace the battery with a new one when the
POWER indicator dims.
3-860-868-53(1)
MDR-NC5
Sony Corporation © 1997
Printed in Japan
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.
Folding and unfolding
the headphones
Folding
Hold the battery case with your right hand and
fold the headphones toward you one after another
as illustrated.
Unfolding
Hold the battery case with your right hand and
unfold the headphones toward you one after
another as illustrated.
Note
Do not pull open this way.
Features
• Noise canceling 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 canceling circuit, and reduced.
(Over 10 dB is reduced at 300 Hz.)
• Compact folding style
• Neodymium magnets are used to deliver
powerful sound.
• Operates as passive headphones when noise
canceling circuit is not activated.
• Plug adaptor is supplied to connect directly to
stereo or dual jack of in-flight music services.
• Plug types are compatible with micro jack of
Sony WALKMAN* remote controllers and
stereo mini jacks of audio and visual equipment.
* WALKMAN is a trademark of Sony
Corporation.
When connecting to dual or
stereo mini jacks of in-flight
music services.
When connecting to the micro
jack on the remote controller
of a WALKMAN, etc.
Connecting cord
(supplied)
When connecting to the
headphones jack (stereo mini
jack) of a WALKMAN, etc.
Plug adaptor
(supplied)
To headphone jack
on airplane seats
Micro plug
Battery
Sony alkaline LR03 (size
AAA) battery
Sony R03 (size AAA) battery
Approx. hours
14 hours
7 hours
Battery case
Precautions
• 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.
• The CE mark on the unit is valid only for
products marketed in the European Union.
• Do not leave the stereo headphones in a location
subject to direct sunlight, heat or moisture.
Notes 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
• If you cover the microphone of the headphones
with your hands, howling may occur.
In this case, move your hands away from the
microphone.
Specifications
General
Type
Dynamic, open
Driver units
30 mm dia: dome type
Impedance
17 ohms at 1 kHz
(when the power is on)
35 ohms at 1 kHz
(when the power is off)
Sensitivity
100 dB/mW (when the power is
on)
98 dB/mW (when the power is off)
Frequency response
30 – 15,000 Hz
Frequency range of active noise attenuation
40 – 1,500 Hz more than 10 dB at
300 Hz
Input cord
0.5 m cord with a gold-plated
microplug
Power source
DC 1.5 V, 1
×
R03 (size AAA)
battery
Mass
Approx. 125 g including battery
Supplied accessories
Sony R03 (size AAA) battery (1)
Connecting cord 1m (a gold-plated micro jack
t
a gold-plated L shaped stereo mini plug) (1)
Plug adaptor for in-flight use* (single/dual) (1)
Carrying case (1)
* May not be compatible with some in-flight music
services.
Design and specifications are subject to change
without notice.
for stereo mini jacks
for dual jacks
Noise Canceling
Headphones
Operating Instructions
取扱説明書（裏面）
お買い上げいただきありがとうございます。
電気製品は安全のための注意事項を守らないと、
火災や人身事故になることがあります。
この取扱説明書には、事故を防ぐための重要な注意事項と製品の取
り扱いかたを示しています。
この取扱説明書をよくお読みのうえ、
製品を安全にお使いください。お読みになったあとは、いつでも見
られるところに必ず保管してください。
Slide the battery case
lid and unlock it.
Slide the battery case
lid and lock it.
Battery case
Battery case
Microphone
Connecting cord
(supplied)
