Sony MDR-NC200D Operating Instructions

Noise Canceling
Headphones
MDR-NC200D
©2011 Sony Corporation Printed in Malaysia
4
English
Close the battery lid.
Noise Canceling Headphones

WARNING
To reduce the risk of fire or electric shock, do not
expose this apparatus to rain or moisture.
To reduce the risk of electrical shock, do not open the
Battery life
cabinet. Refer servicing to qualified personnel only.
Battery
The validity of the CE marking is restricted to only those countries
Sony alkaline battery
where it is legally enforced, mainly in the countries EEA (European
LR03 SIZE AAA
Economic Area).
* 1 kHz, 0.1 mW + 0.1 mW output
This Class B digital apparatus complies with Canadian ICES-003. 1
Time stated above may vary, depending on the temperature or conditions of
* 2
use.
Features
When the battery is low
• Replace the battery with a new one when the POWER indicator blinks
or lights off. Push the PUSH OPEN button to open the battery lid and
• Digital noise canceling headphones with Sony's unique DNC
remove the battery in the direction as illustrated.
Software Engine.
Creation of a high-precision canceling signal delivers outstanding
noise canceling performance.
• AI (Artificial Intelligence) Noise Canceling function.
Select AI NC button for optimal noise canceling mode based on
intelligent analysis of the environmental ambient noise.
• Digital Equalizer and full digital S-Master amplifier delivers ideal
PUSH OPEN button
frequency response and high-quality music reproduction.
• Large 40 mm dynamic type driver units deliver a wide frequency
range and broad dynamic range.
• Pressure relieving urethane cushion in the earpad.
• You can use the headphones even without turning on the power. In
The earpad structure provides comfort without stress even after
this case, the noise canceling function, Digital Equalizer and S-Master
extended use.
are not active, and the headphones operate as passive headphones.
• Lightweight design creates extremely comfortable wearing fit.
• Foldable, flat-storage design for easy portability.
• Built-in monitor function to hear surrounding sound without taking
Listening to the music
off the headphones.
• Able to use as a regular headphones even when the POWER switch is
set to "OFF".
1
• Supplied plug adaptor for easy connectivity to stereo or dual jack for Connect the headphones to the AV equipment.
in-flight music services.
Installing a battery
1
Adjust the left housing as illustrated.
2
Push the PUSH OPEN button to open the battery lid.
Connecting cord
(supplied)
* "WALKMAN" and "WALKMAN" logo are registered trademarks of Sony
Corporation.
PUSH OPEN Notes
button
• When connecting the cord, insert the plug into the jack until the green
portion of the plug disappears.
3
Insert one LR03 (size AAA) battery with  end first.
• To disconnect the cord, pull it out by the plug, not the cord, as the inner
conductors may break.

2
4-283-466-21 (1)
Turn on the power of the headphones.
The POWER indicator lights up in green. When power is
turned on, ambient noise is reduced, and you can listen to
music more clearly at a lower volume.
Operating Instructions
POWER

Mode d'emploi
POWER POWER
switch indicator
3
Wear the headphones marked  on your right ear and the
one marked  ( has a tactile dot for ease of use.) on your
left ear.
Notes
• Adjust the earpads so that they cover your ears, otherwise noise canceling
will not function properly.
• Do not cover the microphone of the headphones with your hands. The
noise canceling function may not work properly.
Microphone
• After you turn on the power of the headphones, you may hear a slight
hiss. This is the operating sound of the noise canceling function, not a
malfunction.
• Because the headphones are of a high density enclosure, forcing them
against your ears may result in eardrum damage. Avoid using the
Approx. hours* 1
headphones where they are liable to be struck by people or other objects,
such as a ball, etc. Pressing the headphones against your ears may produce
22 hours*
2
a diaphragm click sound. This is not a malfunction.
4
Turn on the power of the AV equipment.
Notes on using on the airplane
• The supplied plug adaptor can be connected to the dual or stereo mini
jacks of in-flight music services.
dual 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.
Utilizing the AI Noise Canceling
AI Noise Canceling
AI Noise Canceling is a useful function that automatically selects one
of the noise canceling modes. This function provides the most effective
noise canceling mode by immediately analyzing ambient sound
components when the AI NC button is pressed.
Press the AI NC button.
When you press the AI NC button and the POWER switch is set to
"ON", beep sounds come from the headphones to inform you that
the unit has started analyzing ambient sound components (approx. 3
seconds).
During analysis, sound reproduction from the unit is stopped and the
POWER indicator blinks.
When connecting to dual or
When analysis is completed, the most effective noise canceling mode is
stereo mini jacks of in-flight music
set automatically, and sound reproduction from the headphones starts.
services.
Plug adaptor (supplied)
To headphone jacks
on airplane seats
POWER
AI NC
indicator
button
When connecting to the stereo
mini jack of a WALKMAN*, etc.
Noise canceling mode types
NC Mode A: Noise mainly in an airplane is effectively reduced.
NC Mode B: Noise mainly in a bus or a train is effectively reduced.
NC Mode C: Noise mainly found in an office environment (PC, copier,
air ventilation, etc.) is effectively reduced.
Tips
• When the power of the headphones is turned on, NC Mode A is set. (See
"Noise canceling mode types" for details about NC Mode A.)
• Press the AI NC button again to reset the noise canceling mode if ambient
noise has changed, such as when you move outdoors from a room.
Hearing environment sound
for safety
Press the MONITOR button while the POWER switch is set to "ON",
playback silences, and you can hear the surrounding environment.
To cancel this function, press the MONITOR button again.

MONITOR
button
Beep sound and indicator
Tactile dot
(on the left) status
Status/Function Beep sound
Power off No beep
Power on Beep once
AI NC Beep twice
MONITOR Beep once
Low battery Long beep
(2 seconds)
After use
Turn off the power of the headphones and the AV equipment.
Folding the headphones
Flat storage
Rotate the housings to make them flat for easy storage in the seat pocket.
Restore to their usual position before using.
Putting the headphones in the carrying case
Fold the headphones as illustrated before putting them in the carrying case
(supplied).
stereo mini jacks
Precautions
The headphones contain a noise canceling circuit.
What is noise canceling?
The noise canceling circuit actually senses outside noise with built-in
microphones and sends an equal-but-opposite canceling signal to the
headphones.
• The noise canceling effect may not be pronounced in a very quiet
environment, or some noise may be heard.
• The noise canceling effect may vary depending on how you wear the
headphones.
• The noise canceling function works for noise in the low frequency
band primarily. Although noise is reduced, it is not canceled
completely.
• When you use the headphones in a train or a car, noise may occur
depending on street conditions.
• Mobile phones may cause interference and noise. Should this occur,
locate the headphones further away from the mobile phone.
Notes on usage
• 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.
• Do not leave the stereo headphones in a location subject to direct
sunlight, heat or moisture.
• Do not subject the headphones to excessive shock.
• Handle the driver units carefully.
• If you feel drowsy or sick while using these headphones, stop use
immediately.
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 use headphones while driving and cycling, etc.
As headphones reduce outside sounds, they may cause a traffic
accident. Also, avoid listening with your headphones in situations
where hearing must not be impaired, for example, a railroad crossing, a
construction site, etc.
Note on static electricity
In particularly dry air conditions, noise or sound skipping may occur,
or mild tingling may be felt on your ears. This is a result of static
electricity accumulated in the body, and not a malfunction of the
headphones.
The effect can be minimized by wearing clothes made from natural
materials.
If you have any questions or problems concerning the system that
are not covered in this manual, please consult the nearest Sony
dealer.
Troubleshooting
Indicator
Lights off No sound
• Replace the battery. You can use the headphones even without turning
Lights on
on the power. In this case, the noise canceling function, Digital
Blinks twice
Equalizer and S-Master are not active, and the headphones operate as
passive headphones.
Blinks slowly
• Check the connection of the headphones and the AV equipment.
Blinks quickly
• Check that the connected AV equipment is turned on.
(30 seconds)
• Turn up the volume of the connected AV equipment.
• Check if the MONITOR function is on (the indicator blinks slowly).
Press the MONITOR button to turn it off.
The noise canceling effect is not sufficient
• The noise canceling function is effective in low frequency ranges such
as airplanes, trains, or offices (near air-conditioning, etc.) and is not as
effective for higher frequencies, such as human voices.
• Turn on the headphones.
Distorted sound
• Turn down the volume of the connected AV equipment.
Power does not turn on
• Check if the battery has expired (the POWER indicator lights off).
Replace the battery with a new one.
No operation works
• Set the POWER switch of the headphones to "OFF", confirm the
connections, and then set the POWER switch back to "ON".
Specifications
General
Type Dynamic, closed
Driver units 40 mm, dome type (CCAW adopted)
Power handling capacity
50 mW
Impedance 68 at 1 kHz

(when the power is on)
35 at 1 kHz

(when the power is off)
Sensitivity 103 dB/mW (when the power is on)
102 dB/mW (when the power is off)
Frequency response
8 Hz – 23,000 Hz
Total Noise Suppression Ratio* 1
Approx. 17.5 dB* 2
Power source DC 1.5 V, 1  LR03 (size AAA) battery
Mass Approx. 180 g (6.4 oz)
Included items
Headphones (1)
Plug adaptor for in-flight use* 3 (single/dual) (1)
Connecting cord (1.5 m, gold plated L type stereo mini plug) (1)
Carrying case (1)
Operating Instructions (1)
Warranty card (1)
Under the Sony measurement standard.
* 1
* 2 Equivalent to approx. 98.2% reduction of energy of sound compared with not
wearing headphones.
* 3 May not be compatible with some in-flight music services.
Design and specifications are subject to change without notice.