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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.
•With some discs or tapes, the sound may be distorted
when you activate the noise canceling function.
In such cases, turn down the volume or turn off the
sound effect such as Digital MEGA BASS function etc.
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.
3-861-044-12(1)
MDR-NC05
Sony Corporation © 1997 Printed in Malaysia
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.
WARNING
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 at the left inner side
of the headband.
The serial number is located inside the battery box.
Record these numbers in the spaces provided
below. Refer to them whenever you call upon your
Sony dealer regarding this product.
Model No. MDR-NC05
Serial No.
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.
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.
Noise canceling is not effective
• Check if the power is turned on. Set the POWER
switch to ON if the power is turned off.
• The noise canceling function is only effective for
noise in the low frequency band. Although
noise is reduced, it is not canceled completely.
• If you cover the microphone of the headphones
with your hands, the noise canceling function
may not work properly.
• You may not notice the noise canceling effect in
quiet locations or locations with particular types
of noise. Also in some cases, you may find the
external noise get louder. In such cases set the
power switch to OFF.
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
Cord 1.5m with a gold-plated stereo
mini plug
Power source DC 1.5 V, 1 × R03 (size AAA)
battery
Mass Approx. 125 g (4.4 oz) including
battery
Supplied accessories
Plug adaptor for in-flight use* (single/dual) (1)
* May not be compatible with some in-flight music
services.
Design and specifications are subject to change
without notice.
Noise Canceling
Headphones
Operating Instructions
Mode d’emploi (verso)
Holding the side of the
battery case lid, slide
the lid to unlock it.
Slide the battery case
lid and lock it.
Battery case
Battery case
Battery
Sony alkaline battery LR03/
AM-4 (N)
Sony battery R03/UM-4 (NU)
Approx. hours
20 hours
10 hours
English..
POWER ON OFF
2
1
L
R
2
1
L
R
Microphone
When connecting to dual or
stereo mini jacks of in-flight
music services.
Stereo
mini plug
To headphone jack
on airplane seats
When connecting to the
headphones jack (stereo mini
jack) of a Discman,
WALKMAN**, etc.
*May not be compatible with
some in-flight music services.
**WALKMAN is a registered
trademark of Sony Corporation.
LR
Plug adaptor*
Battery case
for stereo mini jacksfor dual jacks