Sony MDR-NC40 Operating Instructions

• In a quiet place, or depending on certain noises, you may feel
that the noise canceling function is not effective, or that noise
is accentuated. In this case, tum off the power of the
headphones.
o
Mobile phones may cause interference and noise. To avoid
interference, use noise canceling feature only with wireless
transmitters turned off (Airplane Mode). Interference noise
can also occur from nearby mobile phones. Should this occur,
locate the headphones further away from the mobile phone.
Notes on headphones
Preventing hearing damage
Avoid using headphones at high volume. Hearing cxpens
advise against continuous, loud and extended play. If you
experience a ringing in your cars, reduce the volume or
discontinue use.
No sound
• Check the connection of the headphones and the A V
equipment.
o
Check that the connected A
V
equipment is turned on.
• Turn up the volume of the connected AV equipment.
o
Replace the ballery.
Supplied accessories
Sony R03 (size AAA) battery (I)
Carrying case (1)
Plug adaptor for in-flight use* (single/dual) (I)
Operating Instructions (1)
Design and specifications are subject to change without
notice.
Precautions
* May not be compatible with some in-night music services.
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.
You can fasten the battery box by its clip on a shirt pocket.
Using the clip
Muffled sound
o
Tum down the volume of the connected AV equipment.
o
Replace the battery.
General
Type Closed, dynamic
Driver unit 30 mm, dome type (eCAW adopted)
Power handling capacity
50mW
Impedance 68
n
at I kHz (when the power is on)
30
n
at I kHz (when the power is oro
Sensitivity 102 dB/mW (when the power is on)
100 dB/mW (when the power is off)
Frequency response
14 - 22,000 Hz
Frequency range of active noise attenuation
40 - 1,500 Hz more than 14 dB al
300 Hz
Cord Approx. 1.5 m (59 '/s in) OFC litz cord
(including battery box)
Power source DC 1.5 V, I x R03 (size AAA) battery
Mass Approx. 110 g (3.9 oz) including battery
box, cord, and battery
Approx. 80 g (2.9 oz) not including
battery box, cord. and battery
Troubleshooting
• Do not put weight or pressure on the headphones as it
may cause the headphones to deform during long storage.
• The earpads may deteriorate due to long-term storage or
U"'.
• Be careful not to catch your finger as you fold the
headphones.
• Clean the headphones with a soft dry cloth.
o
Do not leave the jack plug dirty otherwise the sound may
be
distorted.
o
Be sure to bring the headphones to the Sony dealer when
requiring a change of earpads or repair work.
• Do not leave the headphones in a location subject to direct
sunlight, heat or moisture.
• Do not subject the headphones to excessive shock.
o
Handle the driver units carefully.
o
If you fell drowsy or sick while using these headphones,
stop use immediately.
Specifications
stereo mini jacks
When connecting to
a
remote
commander with
a
stereo
dual jacks
V
When connecting
to
dual or
stereo mini Jacks of In-flight
® CD
music services.
•••, , ( 3 -
Plug adaptor
: n
(supplied)
:
...
: To headphone jacks
: on airplane seats
~ !-----.
~
: the headphone jack (stereo
L
:
minijack}ofs WALKMAN®*,
"·1"~
: min/jackofa WALKMAN®*. 1
etc.
I?'"
+
00
....
~
iii!!
MONITOR button
When using in an airplane
o
The supplied plug adapter can be connected to the dual or
stereo mini jacks in an airplane.
If you have any questions or problems concerning the
system that are not covered in this manual, please consult
the nearest Sony dealer.
• "w
ALKMAN" and "WALKMAN" logo are registered
trademarks of Sony Corporation.
Power switch
4
Slart
playing on the A
V
equipment.
After use
Turn off the power of the headphones.
o
Do not use the hcadphones when use of electronic
equipment is prohibited or when use of personal
headphones for in-night music services is prohibited.
1
Connect the headphones to the AV equipment.
To hear ambient sound for safety
When the power switch is set to on, noise canceling can be
deactivated while the MONITOR bulton is pressed so that
you can hear ambient sound.
3
Turn on the power
of
the headphones.
The power indicator lights in red. The power
switch is located on the battery box. When
power is turned on, ambient noise is reduced,
and you can listen to music more clearly at a
lower volume.
Remote commander
2
Wear the headphones marked
®
in your right
ear and the one marked
CD
in your left ear.
Listening to music
Notes
o
The noise canceling function is only effective for noise in lhe
low ffC{juency band. Although noise is reduced. it is not
canceled completely.
• Do not cover lhe microphone of the headphones with your
hands. The noise canceling function may not work properly.
o
The noise canceling function may nOI work properly unless
the headphones are put on finnly.
o
You can use the headphones even without turning on the
power. In this case, the noise canceling function is not aClive,
and
the
headphones operate as passive headphones.
• After you tum 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.
• ' ! kHz.O.! mW+O.1 mWoutpul
*2 Time stated above may vary, depending on the temperature
or conditions of use.
Note
Because the supplied banery was included in the package from
the time of manufacture (as a convenience to the user). it is
IXIssible that the battery life may be somewhat depleted by the
time of purchase. The actual life of the supplied battery may be
shorter than the standard time described in {his manual when
using a fresh batlery.
Sony battery R03IUM-4 (NU) 20 hours·
2
When the battery is low
Power indicator dims, and the noise canceling function is
deactivated. Replace the battery with a new onc in this case.
Battery Approx. hours*l
Sony alkaline battery LR03/ 40 hours*2
AM-4(N)
Storing the headphones In the carrying
case
When slOring the headphones in the supplied carrying case,
set the inner partition up, fold the headphones and store.
The plug adaptor and reserve battery can also be stored in
the pockets of the carrying case.
Unfolding the
headphones
I I I
Battery life
1111I1111111111111111111111111111111111111111111111111I
" 3 2 8 2 4 6 6 3 1 " ( 2 )
Printed in Malaysia
3-282-466-31 (2)
Operating Instructions
Manual de instrucciones
MDR-NC40
Noise
Canceling
Headphones
© 2008 Sony Corporation
SONY:
To reduce the risk of fire or electric
shock, do not expose this apparatus to
rain or moisture.
WARNING
The validity of the CE marking is restricted to only {hose
countries where it is legally enforced, mainly in the
countries EEA (European Economic Area).
This device complies with Pan 15 of the FCC Rules.
Operation is subject to the following two conditions: (I)
This device may not cause hannful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
To reduce the risk of electrical shock, do
not open the cabinet. Refer servicing to
qualified personnel only.
Features
2
Insert one R03 (size AAA) battery, matching the
0
on the battery to the
0
in the battery compartment.
o
Noise canceling headphones reduce unwanted ambient
noise, providing a quieter environmenllO enhance your
listening experience.
o
Lightweight design (less than 3 oz. for headphones
portion) reduces stress on head.
o
Soft and comfortable fit from pressure-relieving urethane
ear cushion.
• Compacl, folding design convenient for travel use.
• Compact battery box with monitor function to silence the
audio and listen outside.
You are cautioned that any changes or modifications not
expressly approved in this manual could void your authority
10
operate this equipment.
Installing a battery
1
Push and slide the compartment
1
id on the rear
of the battery box fully, and open.
Before opening the compartment lid, check that
the claws of the lid are seen.
3
Close the lid.
~