Pioneer SE-NC31C-K User Manual
Noise-canceling earphones
Ecouteurs antibruit
Auriculares con cancelación de ruido
SE-NC31C-K
Operating Instructions
Mode d’emploi
Manual de instrucciones
Information to User
Alterations or modifications carried out without appropriate authorization may invalidate the user’s right to operate
the equipment.
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WARNING
This equipment is not waterproof. To prevent a fire or
shock hazard, do not place any container filled with
liquid near this equipment (such as a vase or flower
pot) or expose it to dripping, splashing, rain or
moisture.
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Operating Environment
Operating environment temperature and humidity:
+5 °C to +35 °C (+41 °F to +95 °F); less than 85 %RH
(cooling vents not blocked)
Do not install this unit in a poorly ventilated area, or in
locations exposed to high humidity or direct sunlight
(or strong artificial light)
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WARNING
To prevent a fire hazard, do not place any naked flame
sources (such as a lighted candle) on the equipment.
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When disposing of used batteries, please comply
with governmental regulations or environmental
public institution’s rules that apply in your
country/area.
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WARNING
Do not use or store batteries in direct sunlight or other
excessively hot place, such as inside a car or near a
heater. This can cause batteries to leak, overheat,
explode or catch fire. It can also reduce the life or
performance of batteries.
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This product is for general household purposes. Any
failure due to use for other than household purposes
(such as long-term use for business purposes in a
restaurant or use in a car or ship) and which
requires repair will be charged for even during the
warranty period.
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These symbols are only valid
in the European Union.
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(Symbol examples for batteries)
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The Safety of Your Ears is in Your Hands
Get the most out of your equipment by playing it at a
safe level – a level that lets the sound come through
clearly without annoying blaring or distortion and,
most importantly, without affecting your sensitive
hearing. Sound can be deceiving. Over time, your
hearing “comfort level” adapts to higher volumes of
sound, so what sounds “normal” can actually be loud
and harmful to your hearing. Guard against this by
setting your equipment at a safe level BEFORE your
hearing adapts.
ESTABLISH A SAFE LEVEL:
• Set your volume control at a low setting.
• Slowly increase the sound until you can hear it
comfortably and clearly, without distortion.
• Once you have established a comfortable sound
level, set the dial and leave it there.
BE SURE TO OBSERVE THE FOLLOWING
GUIDELINES:
• Do not turn up the volume so high that you can’t
hear what’s around you.
• Use caution or temporarily discontinue use in
potentially hazardous situations.
• Do not use headphones while operating a motorized
vehicle; the use of headphones may create a traffic
hazard and is illegal in many areas.
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WARNING: Handling the cord on this product or
cords associated with accessories sold with the
product may expose you to chemicals listed on
proposition 65 known to the State of California and
other governmental entities to cause cancer and
birth defect or other reproductive harm.
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Thank you for buying this Pioneer product. Please read through
these operating instructions so you will know how to operate
your model properly. After you have finished reading the
instructions, put them away in a safe place for future reference.
Main Features
Suppresses up to 90 % of ambient noise, great listening
even in noisy locations.
• Based on proprietary measurement methods.
• Not all surrounding sounds are eliminated.
Press monitor button to hear surrounding sounds.
Energy-saving design allows up to 120 hours of
continuous listening enjoyment.
• When using Alkaline battery.
Features large-diameter ø14.2 mm drive unit for highquality sound.
Noise-canceling function can be switched off when not
needed, allowing use as ordinary earphones.
Includes in-flight adapter (dual plug) for use on
airplanes.
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Set Contents
Confirm the presence of all parts and components before use.
•Earphones
• In flight plug adapter
• Earphone tips, 2 each, S, L
(silicon rubber)
M size tips are factory
installed on the earphones.
•Storage pouch
• AAA manganese battery (1)
(for confirming operation)
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• Operating instructions (this
document)
• Warranty card
Names and Functions of Parts
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1 Power switch
Use to turn noise-canceling function ON/OFF.
2 Power indicator
Lights when power is turned on.
3 Monitor button
Ambient sounds can be heard while this button is held
depressed.
4 Battery cover
Press in direction of arrow (triangle) to open battery cover.
5Clip
Use to fix unit to chest pocket, lapel, etc.
6 Microphones
These detect ambient sound.
7 Earphone tips (silicon rubber)
Select from sizes S, M, or L to best match your own ears.
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Inserting Battery
1 Press in direction of
arrow to open battery cover.
2 Insert battery, taking care
to align its and
polarities correctly.
3 Press in direction of
arrow to close battery cover.
When to replace battery
When battery becomes expended, the power indicator will
become darker, and sound will appear distorted, with greater
than normal amounts of noise. Always replace a new battery.
Nominal battery life is as follows when noise-canceling function
is used continuously:
AAA Alkaline battery: About 120 hours
AAA Manganese battery: About 60 hours
(Battery life may vary depending on surrounding temperatures
and other conditions of use.)
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Using the Earphone
In flight plug adapter
L: left
R: right
gray
red
1 Connection to AV devices
When connecting the earphones to an airline onboard audio
system, use the supplied plug adapter.
2 Using the earphones
Confirm the left/right orientation of the earphones by looking at
the “L” and “R” symbols or the earphone color, and place the
earphones in your ears. Select the provided earphone tip that
best fits your ear size.
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3 Playing music
1. When power is ON
When the power switch is set to ON, the power indicator
lights green, and the noise-canceling function operates,
allowing you to listen to music without excessively raising
the volume, thus eliminating the need to raise sound volume
excessively, and reducing disturbance to nearby people.
2. When power is OFF
When the power switch is set to OFF, the noise-canceling
function stops, and the unit can be used as ordinary
earphones.
3. When the monitor button is pressed
While the monitor button is held depressed, playback sound
is muted and the noise-canceling function is temporarily
stopped, thus allowing you to hear ambient sounds without
removing the earphones.
* This function is enabled only when the power switch is set
to ON.
4 Following Use
When not using the earphones, set the power switch to OFF.
5Precautions
• When disconnecting the cord, grasp the plug and do not pull
the cord.
• The furnished in flight plug adapter may not be compatible
with the jacks on all airplanes.
• Do not use with airline onboard sound systems under the
following conditions:
– Whenever the cabin crew announces that electronic
devices are prohibited.
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– When the use of privately owned earphones is prohibited
inside the plane.
• The noise-canceller function is designed to reduce noise
primarily in the low-frequency range, and is not effective at
reducing high-frequency noise.
• If the earphone tips do not correctly match the size and
contours of your ears, excessive sound may escape, or you
may sense insufficient bass sound, and the effect of the
noise-canceling function may be reduced. Always select and
use the earphone tips that best match the size of your ears.
• If the earphones’ microphone is covered with your hand or
other object, feedback may be caused, resulting in a
“howling” sound. In this case, remove your hand or other
obstruction from the microphone.
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Troubleshooting
If you suspect a malfunction, perform the following checks,
since a simple operating error may be the cause of the problem.
The problem may also be caused by factors other than the
earphones themselves, so be sure to check the sound
components with which the earphones are used.
Perform the following checks, and if the problem persists,
consult your dealer or nearest Pioneer service station.
Problem Remedy
No sound. • Check connection between earphones and AV
Sound is distorted. • Lower the sound volume on the connected AV
Power won’t turn on. • Replace the earphone battery.
Feedback sound
(howling).
Noise canceller
produces no effect.
device.
• Confirm that power is turned on to the AV
component.
• Adjust the output sound volume on the AV
component.
• Replace the earphone battery.
component.
• Replace the earphone battery.
• Check that battery is installed correctly (are and
polarities correct?).
• If you are covering the microphone part of the
earphone with your hand, remove your hand.
• Set the power switch to position ON (power
indicator lights green).
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About use of earphones
• Do not subject earphones to dropping, striking, or other
severe impacts, since damage may result.
• To ensure high quality sound reproduction, keep the plug
clean by wiping occasionally with a soft clean cloth.
• In the event of a malfunction, or if a foreign object becomes
lodged in the earphones, turn off the power and consult your
dealer or Pioneer service station.
• During use of the earphones, if you sense an allergic
reaction (rash, etc.), stop using the earphones immediately.
• This product has been designed to reduce noise and
enhance your listening experience. It has not been designed
for pilot use or for inflight communications as designated by
the FAA (Federal Aviation Administration). Do not use this
product for purposes other than those for which it was
designed.
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Specifications
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Closed dynamic
Driver unit diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ø14.2 mm
Maximum input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mW / 32 Ω
Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . 34.5 Ω (ON), 18.5 Ω (OFF)
Output sound level . . . . . . . . . . . . . . . . . . 103 dB (ON), 105 dB (OFF)
Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz to 16 000 Hz
Noise suppression . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dB (at 300 Hz)
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AAA battery x 1
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .about 28 g (10 oz)
Accessories
In flight plug adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
AAA manganese battery (for confirming operation) . . . . . . . . . . . .1
Earphone tips S, L (silicon rubber) . . . . . . . . . . . . . . . . . . . . . . 2 each
* M size tips are factory installed on the earphones.
Storage pouch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Warranty card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Note
• The appearance and specifications of this product are
subject to change without notice.
Published by Pioneer Corporation.
Copyright © 2010 Pioneer Corporation.
(not including battery)
All rights reserved.
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