•
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 ofthe
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 AV
equipment.
o Check that the connected AV 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
(eCA
W 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 Ifyou 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®*.
1etc.
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.
• "wALKMAN" and
"W
ALKMAN"
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
"328246631"(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
1id
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.
~
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