Bose QUIETCOMFORT 3 Acoustic Noise Cancelling Owner's Manual
Bose® QuietComfort® 3
Acoustic Noise Cancelling
®
Headphones
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Safety Information
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EnglishJapaneseThaiKoreanS. ChineseTr. ChineseArabic
Safety Information
Please read this owner’s guide
Please take the time to follow the instructions in this owner’
s guide carefully. It will
help you to properly use your new Bose
®
product and enjoy its features. Please save
this owner’s guide for future reference.
WARNINGS
• To reduce the risk of fire or electric shock, do not expose the battery charger to rain or moisture. Do not expose the
charger to dripping or splashing of liquids.
• The battery charger must be used in doors. I
t is neither designed nor tes ted f or use out doors , in recreat ion vehicles ,
or on boats.
• Charge the battery only on a charger app ro v
ed by Bose Corporation. Do not continue charging the battery if it does
not reach full charge within the specified charging time. Doing so may cause th e battery to become hot, rupture, or
ignite. If you see any heat deformation or leakage, properly dispose of the battery.
• Do not expose the battery to temperatures greater than 212°F (1
00°C). If exposed to excessive heat, the battery
can catch fire and explode.
• Do not place the battery in direct sunlight, or use or st ore it inside ca
rs in hot weather where it can be exposed to
temperatures in excess of 140°F (60°C). Doing so may caus e the battery t o genera te heat, rupt ure, or ignite. Us ing
the battery in this manner also may result in a loss of performance and a shortened life expectancy.
• Do not short circuit the batte ry. A void pla cing it arou nd me ta l object s such as k eys, p ock et change, p aper clips , and
jewelry
.
• Do not hit the battery with a hammer, step on, throw or drop it t
o expose it to a strong shock. Do not pierce the battery with a sharp object such as a nail. Do not crush, dent, or deform the battery in any way. If the battery becomes
deformed, properly dispose of it.
• The battery used in this device may present a risk of fire o
r chemical burn if mistreated. Do not disassemble, heat
above 212°F (100°C), or incinerate. Replace battery with Bose part PC40229 only. Use of another battery may
present a risk of fire or explosion.
CAUTIONS
• Do not allow the battery to get wet. Avoid using it in high humidity environments.
• Avoid electrostatic discharge to the battery.
• Do not drop or sit on the headphones, or allow them to be immersed in water .
• Long-term exposure to loud music may cause hearin g damage. I
t is best to avoid extreme volume when using these
headphones, especially for extended periods.
• Do not use these headphones when operating a motor vehicle o
n a public road, or where the inability to hear out-
side sounds may present a danger to you or others.
• Sounds that you rely on as reminder
s or warnings may have an unfamiliar character when you are using the head-
phones. Be aware of how these sounds vary in character, so you can recognize them as needed.
Please dispose of used or damaged batteries promptly and properly,
following any local regulations. Keep away from children. Do not incinerate.
To re turn batteries for recycling, contact Bose or your Bose dealer. In the United
States only, call 1-800-905-2180. For other regions, see the contact information
on the inside back cover.
This product conforms to the EMC Directive 89/336/EEC and to the Low
V oltage D irective 73/23/EEC. The complete Declaration of Conform ity ca n be
foun
d at www.bose.com/static/compliance/index.html.
©2007 Bose Corporation. No part of this work may be reproduced, modified, distributed, or
otherwise used without prior written permission.
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Important Safety Instructions
English Japanese Thai Korean S. Chinese Tr. Chinese Arabic
Important Safety Instructions
1. Read these instructions – for all components before using this product.
2. Keep
these instructions – for future reference.
3. Heed
all warnings – on the product and in the owner’s guide.
4. F
ollow all instructions.
5. Do not
use this product near water or moisture – Do not use this product near a bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, near a swimming pool, or anywhere else that water or moisture are present.
6. Cl
ean only with a dry cloth – and as directed by Bose Co rpo ration. Unplug the battery charger from t he wall out-
let before cleaning.
7. Do not blo
ck any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not ins
tall near any heat sources, such as radiators, heat regi sters, stoves, or other apparatus (includ-
ing amplifiers) that produce heat.
9. Onl
y use attachments/accessories specified by Bose.
10. Unpl
ug the battery charger during lightning storms or when unused for long periods of time – to prevent
damage to this product.
11. Refer
all servicing to qualified service personnel . Servicing is requir ed when the apparatus has been d amaged in any way: such as power-supply cord or plug is damag ed; liquid has been spilled or objects have
fallen into the apparatus; the apparatus has b een e xposed to rai n o r moisture , does not op erate n ormall y,
or has been dropped – Do not a ttempt t o service this produc t yourse lf . Open ing or remov ing co vers may e xpose
you to dangerous voltages or other hazards. Please call Bose to be referred to an authorized service center near
you.
Compliance with FCC rules (U.S.A., only)
This device complies with Part 15 of the FCC rules. Operation is subject to the following two condit ions: (1) This
device may not cause harmful interference, and (2) this device must accep t any interference received, including
interference that may cause undesired operation.
NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC rules. These limits are designed to provide reasona ble protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction s, may cause harmful interference to radio communications.
However, this is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, you are encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a different circuit than the one to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING
• Changes or modifications not expressly a pproved by t he party responsible f or compliance co uld void the user’s
authority to operate this equipment.
• Proper connections must be used for connection to a host computer and/or peripherals in order to meet FCC
emission limits.
Welcome
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EnglishJapaneseThaiKoreanS. ChineseTr. ChineseArabic
Welco me
Introducing the QuietComfort® 3 Acoustic Noise
Cancelling® headphones
Thank you for purchasing the QuietComfort® 3 Acoustic Noise Cancelling®
headphones from Bose. Our innovative technologies enable these on-ear
headphones to reduce unwanted distractions while providing you with lifelike audio
performance and a comfortable fit.
Adjustable
headband
Power switch
with power indicator
Replaceable ear
cushions
Rotating
earcups
Ports
R (right)
mark
L (left)
mark
Accessories included:
Batteries
Battery
charger
Headphones audio cord
5 ft. (1.5 m) audio
extension cord
Dual-plug
adapter
¼ in. (6.3 mm)
stereo phone
plug adapter
Carrying case
Battery charger plug adapters
N. America/Japan
China
Europe
Korea
U.K./Hong-Kong/
Singapore
Australia/New Zealand
IMPORTANT: Before initial headphone use, it is important to fully charge the
battery for a minimum of two hours. See “Charging the battery” on page 5.
5
Preparing Your Headphones
English Japanese Thai Korean S. Chinese Tr. Chinese Arabic
Preparing Your Headphones
Charging the battery
Initial charging time for a new battery is approximately two hours. After that, charging
time varies depending on the battery charge state.
1. C
hoose the correct plug adapter and attach it to the charger.
2. Insert the battery into the charger.
3. Plug the charger into a live AC (mains) outlet.
Indicator:
On = Charging
Off = Charging complete
Flashing = See
“Troubleshooting” on
page 10.
123
IMPORTANT : DO NOT STORE A BATTERY IN THE CHARGER.
• After charging, unplug the battery charger and remove the battery.
• Storing a battery in the charger diminishes the charged state of the battery over time and may permanently reduce the capacity of the battery.
Battery handling and precautions
• The battery does not have to be completely discharged in order to charge it. You
can charge the battery at any time.
• Never leave the battery in a discharged state. Charge after use and before storage.
• Avoid extreme temperatures when charging the battery. Battery charging should
oc
cur within the temperature range of 32°F (0°C) to 95°F (35°C).
• A fully charged battery provides approximate
ly 25 hours of use. Replace the battery
when it no longer provides adequate power after charging. To order a replacement
battery, see “Troubleshooting” on page 10.
• Keep the terminals on the battery, in the c
harger, and in the right earcup of the
headphones clean at all times. Dirty terminals may cause poor electrical connections and affect performance. For cleaning instructions, see “Cleaning” on page 10.
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