Sony MDR-NC300D Operating Instructions

Noise Canceling Headphones
MDR-NC300D
©2009 Sony Corporation Printed in Malaysia
 
2
3
HOLD POWER
MO NI
TO R
1
LO CK
When connecting to the stereo mini
OP EN
jack of the remote control supplied
with a WALKMAN  * , etc.
* "WALKMAN" and "WALKMAN"
logo are registered trademarks of Sony
NC OPTIMIZE
Corporation.


1
LO CK
2
OP EN


unlock

lock

LO CK

OP EN

1

Sectional View
Colored parts

Height
3
Diameter
2 2


 


R

L
End of earbud's
colored part

Features
 Digital noise canceling headphones
with Sony's unique DNC Software
Engine.
Operating Instructions
Creation of a high-precision
Manual de instrucciones
canceling signal delivers outstanding
noise canceling performance.
 Automatic AI (Artificial
Intelligence) Noise Canceling
function.
Automatic selection of the optimal
noise canceling mode based on
intelligent analysis of environmental
ambient noise.
 Digital Sound Enhancer and full
digital S-Master amplifier delivers
ideal frequency response and
high-quality music reproduction.
 Large 16 mm dynamic type driver
units deliver a wide frequency range
and broad dynamic range.
 Closed type vertical in-the-ear
headphones for secure fit and
wearing comfort.
English
 7 sizes of hybrid silicone earbuds are
included to ensure ideal seal within
Noise Canceling
the ear for highest quality sound and
also to provide wearing comfort
Headphones
during extended listening.
 Three sound modes (NORMAL/
BASS/MOVIE) available based on
WARNING
use or application.
 Built-in monitor function to hear
To reduce the risk of fire or electric surrounding sound without taking
shock, do not expose this apparatus off the headphones.
to rain or moisture.  Easy-to-use volume control on
control box.
To reduce the risk of electrical
shock, do not open the cabinet.
Refer servicing to qualified
Location and
personnel only.
This device complies with Part 15 of the Function of Parts
FCC Rules.
(see fig. )
Operation is subject to the following
two conditions: (1) This device may not
cause harmful interference, and (2) this
 Microphones
device must accept any interference
 Earbuds
received, including interference that
may cause undesired operation.
 SOUND MODE button
Changes the sound mode:
Caution
NORMAL, BASS and MOVIE.
You are cautioned that any changes or
 VOLUME(+/–) button
modifications not expressly approved in
Adjusts the volume.
this manual could void your authority
The VOLUME + button has a
to operate this equipment.
tactile dot for ease of use.
Note
 HOLD/POWER switch
This equipment has been tested and found to
comply with the limits for a Class B digital  Battery compartment lid
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide  MONITOR button
reasonable protection against harmful To hear ambient sound for safety.
interference in a residential installation. This
 LCD display
equipment generates, uses and can radiate
Indicates the current status or
radio frequency energy and, if not installed
and used in accordance with the instructions, mode, etc.
may cause harmful interference to radio
 Gold-plated L-type stereo
communications. However, there is no
guarantee that interference will not occur in a mini-plug
particular installation. If this equipment does
 NC OPTIMIZE button
cause harmful interference to radio or
television reception, which can be determined Optimizes the noise canceling
by turning the equipment off and on, the user
sensitivity level.
is encouraged to try to correct the
 Clip holes
interference by one or more of the following
measures: To attach the supplied clip.
– Reorient or relocate the receiving antenna.
– Increase the separation between the
equipment and receiver.
Installing a battery
– Connect the equipment into an outlet on a
circuit different from that to which the
(see fig. )
receiver is connected.
– Consult the dealer or an experienced radio/
1
TV technician for help.
Unlock and open the battery
The validity of the CE marking is compartment lid.
2
restricted to only those countries where
Insert an AA/LR6 dry battery, 
it is legally enforced, mainly in the
end first.
countries EEA (European Economic
Insert the battery until the internal
Area).
stopper holds the battery.
Owner's Record
Note
The model number is located at the Make sure to insert the battery 
back side of the control box. end first. If you fail to do so, it may
The serial number is located in the cause heat buildup or a fault.
3
battery compartment.
Close and lock the battery
Record these numbers in the spaces
compartment lid.
provided below. Refer to them
whenever you call upon your Sony
Battery life
dealer regarding this product.
Model No. MDR-NC300D __________
Battery
Serial No. _ _______________________
Sony alkaline AA/LR6
dry battery
* 1 At 1 kHz, 0.1 mW + 0.1 mW output
* 2 Time stated above may vary, depending on
the temperature or conditions of use.
When to replace the
battery
When the battery becomes low, the
battery remains status on the LCD
display will change. The unit will turn
off automatically if there is no battery
remains.
Replace the dry battery by checking the
battery remains status.
Note
 Take out the battery from the unit if
you do not intend to use the unit for a
long time.
How to replace the battery
Open the battery compartment lid,
unlock the internal stopper, and then
take out the battery.
To select a sound mode
How to install the
LCD display
earbuds correctly
(see fig. )
MOVIE
If the earbuds do not fit your ears
correctly, the noise canceling effect will The current sound mode is displayed.
1
not be optimal. To optimize noise
Press the SOUND MODE button.
canceling and to enjoy better sound
The sound mode changes in the
quality, change the earbuds to another
order of NORMAL → BASS →
size, or adjust the earbud position to fit
MOVIE.
your ears comfortably and snugly.
NORMAL: (nothing displayed)
If the earbuds do not fit your ears, try
You can enjoy high-quality music
another size. Confirm the size of the
reproduction.
earbuds by checking color inside (see
BASS:
fig. -).
This mode provides high level of
When you change the earbuds, turn to
sound reproduction with booming
install them firmly on the headphones
bass sound.
to prevent the earbud from detaching
and remaining in your ear. MOVIE:
This mode is suitable for enjoying
Earbud sizes (inside color)
an AV sound source with wide
 
Small Diameter Large dynamic range in a noisy place.
High – ML LL
 Tip
(Blue) (Purple)
The MOVIE mode is the most
S M L
effective when volume level of this
Height
(Orange) (Green) (Light blue)
unit is set to around 16.
SS MS –
(Red) (Yellow)
Low
To optimize the noise
canceling effect
To detach an earbud
–Noise canceling
(see fig. -)
optimization function–
While holding the headphone, twist and
This unit is designed for creating the
pull the earbud off.
most effective noise canceling effects,
 Tip
but the default setting may not be best
If the earbud slips and cannot be
because of differences in ear shape or
detached, wrap it in a soft dry cloth.
usage circumstances.
Optimize the noise canceling effect
To attach an earbud
using the noise canceling optimization
(see fig. -)
function if the default effect is not
sufficient.
Push the earbud onto the headphone to
where the end of the earbud's colored
1
part aligns with .
Press the NC OPTIMIZE button.
A scale bar appears on the LCD
display and playback sound is
muted.
Listening to music
2
Press the VOLUME(+/-) button
(see fig. )
repeatedly to adjust.
21 levels of sensitivity are available.
1
Connect the headphones to the
Position of the mark where you feel
listening equipment.
the noise canceling effect is the
2
most effective.
Put on the headphones.
3
Wear the earpiece marked  in
Press the NC OPTIMIZE button
your right ear and the one marked
to finish setting.
 ( has a tactile dot for ease of
 Tips
use.) in your left ear.
 The setting value of the noise
Adjust the earbuds position to fit
canceling optimizing function will
your ears snugly.
apply to all 3 noise canceling modes.
Note
 The setting value of the noise
If you wear the headphones
canceling optimizing function is
incorrectly, noise canceling will not
memorized, even when the power is
function.
turned off.
Adjust the earbud position to sit on
Note
your ears comfortably and fit your
The value of this setting does not reflect
ears snugly.
the impact of the noise canceling effect.
3
Slide the HOLD/POWER switch
to POWER side. To hear environmental
appears on the LCD
sound for safety
display, and a short beep sounds
from the headphones. Press the MONITOR button while the
4 power is on, playback silences, and you
Turn on the power of the
can hear the surrounding environment.
listening equipment.
To finish this function, press the
5
Adjust the volume.
MONITOR button again.
A scale bar appears on the LCD
display when you press VOLUME + To prevent false operation
or –.
–Hold function–
The scale bar changes according to
your volume setting. When you slide the HOLD/POWER
switch to HOLD side, "HOLD" appears
Notes
in the display and the controls on the
 VOLUME + or – of this headphones does
unit are disabled. This function is useful
not change volume setting of a connected
AV equipment. to prevent false operation such as
 Even if you adjust the volume to the
turning on the unit unintended.
minimum, some sound leakage in the
To cancel the Hold function, slide the
headphones may be heard.
HOLD/POWER switch to POWER
side.
Automatic AI Noise
Canceling
To reset the headphones
Automatic AI Noise Canceling is a to the factory default
useful function that automatically
You can reset the setting value of the
selects one of the noise canceling
headphones to the factory default.
modes. This function provides the most
1
While the power is off, turn on
effective automatic noise canceling by
Approx. hours* 1
the power of the headphones
constant analyzing of ambient sound.
with pressing and holding the
20 hours*
2
Noise canceling modes
NC OPTIMIZE button.
2
Release the NC OPTIMIZE button
LCD display
when "ALL RESET" appears on
the LCD display.
A
NC
How to use the supplied
cord adjuster (see fig. )
The current noise canceling mode is
displayed.
You can adjust the cord length by
NC mode A (NC A):
winding the cord on the cord adjuster.
This mode is suitable mainly for low
(The cord can be wound to the cord
and midrange frequency noise.
adjuster up to 40 cm. If you wind more,
This mode is suitable mainly for
the cord comes off from the cord
noise in an airplane.
adjuster easily.)
1
NC mode B (NC B):
Wind the cord.
This mode is suitable mainly for
2
Push the cord into slot hole to
ultralow frequency noise.
secure in place.
This mode is suitable mainly for
noise in a bus or train. Note
Do not wind the plug or split section of
NC mode C (NC C):
the cord, as it will strain the cord and
This mode is suitable mainly for
may cause a wire break.
subtle and wideband noise.
This mode is suitable mainly for
noise in an office environment (PC,
copier, air ventilation, etc.).
 Tip
Noise characteristics vary over time.
The headphones automatically select the
appropriate noise canceling mode for the
situation.
How to use the clip
Specifications
You can fasten the unit on your clothes
or bag, by attaching the supplied clip
General
A
onto the unit.
NC Type:
Wear method:
To attach the clip (see fig. )
Driver units:
1
Insert the knobs of the clip into
Power handling capacity:
the holes on the rear of the unit,
as shown in the illustration.
Impedance:
Sensitivity:
 Tip
Frequency response: 6 – 24,000 Hz
You can attach the clip either way.
Total Noise Suppression Ratio*
2
Slide the clip's inner lever
Cord:
outward.
The clip is locked in place.
Plug:
To detach the clip (see fig. )
Power source:
1
Slide the clip's inner lever
Mass:
inward.
The clip is released.
2
Lift the end of the clip (lever
side) approx. 2 mm.
3
Pull the clip in the direction of
Supplied accessories
the arrow.
Extension cord (0.6 m (23
stereo mini-plug) (1)
Notes on using on an
Cord adjuster (1)
airplane
Clip (1)
Plug adaptor for in-flight use*
 The supplied plug adaptor can be Carrying case (1)
Carrying pouch (1)
connected to the dual or stereo mini
Earbuds (SS × 2, S × 2, MS × 2, M × 2, ML × 2,
jacks of in-flight music services.
L × 2, LL × 2)
Sony alkaline AA/LR6 dry battery (1)
Operating Instructions (1)
Product Information (1)
Card warranty (1)
* 1 Under the Sony measurement standard.
dual jacks stereo mini jacks
 Do not use the headphones when use
of electronic equipment is prohibited
or when use of personal headphones
* 2 Equivalent to approx. 98.4 % reduction of
for in-flight music services is
prohibited.
 Take the headphones off when not in
* 3 May not be compatible with some in-flight
use.
Design and specifications are subject to
change without notice.
After use
Turn off the power of the headphones.
Precautions
1
Slide the HOLD/POWER switch
to POWER side, and then hold
The headphones contain a noise
about 1 seconds or more.
canceling circuit.
"See You!" appears in the display,
What is noise canceling?
and then unit turns off.
The noise canceling circuit actually
 Tip
senses outside noise with built-in
When power is turned off, the unit
microphones and sends an equal-but-
stores the settings, which are applied
opposite canceling signal to the
again when the unit is turned on.
headphones.
Note
Settings are not stored if you replace the
 The noise canceling effect may not be
battery during the operation.
 Do not cover the microphones of the
How to use the
carrying case
(see fig. )
 The noise canceling effect may vary
1
Remove the elastic band from
the inner case.  The noise canceling function works
2
Place all items (plug adapter,
unit and headphones) inside the
carrying case.
 When you use the headphones in a
3
Wind the cord around the side of
the inner case, and then put the
elastic band on the inner case.  Mobile phones may cause
4
Close the carrying case.
Notes
 Items must be placed in the correct
order to fit in the carrying case.
Notes on usage
 If the cord is left out of the carrying
 Clean the headphones with a soft dry
case, it may be damaged.
 Make sure to remove the elastic band
when removing or placing items;  Do not leave the jack plug dirty
otherwise, the cord may be damaged.
 Be sure to bring the headphones to
Troubleshooting
 Do not leave the headphones in a
No sound
 Turn on the headphones.
 Do not subject the headphones to
 Check that the battery is not
depleted.
 To clean the earbuds, first remove
 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
 The earbuds will need to be replaced
AV equipment.
Muffled sound
 If you fell drowsy or sick while using
 Turn down the volume of the
connected AV equipment.
 Replace the battery with a new one.
 Install the earbuds firmly onto the
Power does not turn on
 Replace the battery with a new one.
The unit does not operate
properly.
 Turn off the unit and then take out
the battery. Reinsert the battery and
turn on the unit again.
Notes on headphones
Preventing hearing damage
Avoid using headphones at high
Dynamic, closed
volume. Hearing experts advise against
Vertical in-the-ear
continuous, loud and extended play. If
16 mm, dome type (CCAW
adopted) you experience a ringing in your ears,
reduce the volume or discontinue use.
100 mW
Do not use headphones while
16 Ω (at 1 kHz)
103 dB/mW
driving and cycling, etc
As headphones reduce outside sounds,
1 :
Approx. 18 dB* they may cause a traffic accident. Also,
2
1.2 m (47 / in) OFC litz
1 avoid listening with your headphones in
4
cord
situations where hearing must not be
Gold-plated stereo
impaired, for example, a railroad
mini-plug
crossing, a construction site, etc.
DC 1.5 V, 1 × AA/LR6 dry
battery
Headphones section: Note on static electricity
Approx. 8 g (0.3 oz)
(without cord) In particularly dry air conditions, mild
Control box section:
tingling may be felt on your ears. This is
Approx. 53 g (1.9 oz)
a result of static electricity accumulated
(without cord, including
in the body, and not a malfunction of
battery)
the headphones.
The effect can be minimized by wearing
5 / in), gold-plated
8
clothes made from natural materials.
If you have any questions or
3 (single/dual) (1)
problems concerning the system that
are not covered in this manual,
please consult your nearest Sony
dealer.
For details about the Total Noise
Suppression Ratio amount for each mode,
refer to the Product Information booklet.
energy of sound compared with not
wearing headphones (NC mode A).
music services.
pronounced in a very quiet
environment, or some noise may be
heard.
headphones with your hands. The
noise canceling function may not
work properly.
depending on how you wear the
headphones.
for noise in the low frequency band
primarily. Although noise is reduced,
it is not canceled completely.
train or a car, noise may occur
depending on street conditions.
interference and noise. Should this
occur, locate the headphones further
away from the mobile phone.
cloth.
otherwise the sound may be
distorted.
the Sony dealer when requiring a
change of earbuds or repair work.
location subject to direct sunlight,
heat or moisture.
excessive shock.
them from the headphones, and then
clean them with water and mild
detergent. After cleaning, dry each
earbud carefully before use.
from time to time. If they are worn
out by daily use or longtime storage,
replace them with new ones.
these headphones, stop use
immediately.
headphones. If an earbud accidentally
detaches and is left in your ear, it may
cause injury.