Bose Headphones Acoustic Noise Cancelling Headset User Guide page

QuietComfort Acoustic Noise Cancelling Headset  
Owner's Guide  
October 30, 2001  
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We, the offerer:  
Bose® Corporation, The Mountain, Framingham, MA  
01701-9168 USA  
acknowledge our sole responsibility,  
that the product:  
Kind of equipment: Headphones  
Type designation: QuietComfort Acoustic Noise  
Cancelling® headset  
In accordance with EMC Directive 89/336/EEC  
and Article 10(1) of the Directive,  
is in compliance with the following  
norm(s) or document(s):  
Technical regulations: EN50081-1, EN50082-1  
Accredited by:  
Bose Corporation, The Mountain, Framingham, MA  
01701-9168 USA  
15 April 2000  
Nic Merks  
Vice President Europe  
Manufacturer’s authorized  
EU representative  
Bose Products B.V.  
Nijverheidstraat 8, 1135 GE Edam  
The Netherlands  
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October 30, 2001  
Uses and Reminders  
Your QuietComfort Acoustic  
Noise Cancelling Headset  
Thank you for purchasing the Bose® QuietComfort  
Acoustic Noise Cancelling headset. Advanced design,  
integrated technologies, and high quality materials  
enable the headset to provide you with clearer, more lifelike  
sound reception, while reducing unwanted noise.  
Wearing it comfortably and effectively  
Notice the marking L or R on the headband just above  
each earcup. They indicate the proper position (L for left  
ear, R for right) to ensure a good fit and performance.  
Put the headset on and adjust it so the headband rests  
gently on your head and the earcushions fit snugly (an  
effective seal) and comfortably around your ears (with your  
ears completely inside the ear cushions).  
Remove any jewelry or earwear that affects the comfort  
and fit of the headset.  
Using your headset  
The headset has two volume settings – Hi and Lo. These  
settings are only volume levels for listening to audio and do  
not impact the noise reduction technology.  
For noise reduction technology only, turn the unit on Hi or  
Lo and do not plug the headset into any audio source.  
For audio use, begin listening in the Lo setting. Then adjust  
the volume on the audio source. For more volume, try the  
Hi setting. First turn down the volume on the audio source,  
then switch to the Hi setting. Finally, re-adjust the volume  
on the audio source.  
The headset can be used with a variety of audio sources:  
CD, DVD, MP3, laptop computers, and home stereo.  
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October 30, 2001  
Uses and Reminders  
Headset parts  
L or R  
or low  
battery light  
Plug extension  
On/Off, Hi/Lo  
Stereo phone  
plug adapter  
Battery compartment  
You may find various jack configurations on airplanes, as  
depicted below. This chart will help you determine how to  
connect your headset:  
A single, 18" jack (and most portable sources):  
use the single plug. No adapter needed.  
Two 18" jacks: use the dual plug adapter.  
One 18" jack and one power jack: use the single  
plug in the 18" jack (the larger one). The smaller  
jack does not need a connection.  
Two 18" jacks and one power jack: use the dual  
plug adapter for the two 18" jacks. The smaller  
jack does not need a connection.  
One 14" jack (for home stereos): use the 14" stereo  
phone adapter.  
Note: Airline audio may not equal the high quality you can  
achieve with home stereo or a portable source.  
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The maximum input voltage is 10 Vrms.  
October 30, 2001  
Uses and Reminders  
Replacement parts and accessories  
The following replacement parts and accessories can be  
purchased by calling Bose®. See the back cover for a list  
of phone numbers:  
• Headband assembly  
• Dual plug adapter  
• Belt clip  
• Drawstring carry bag  
• Deluxe carry bag  
• Replacement earcushion kit  
• Accessory kit (adapters,  
extension cord, 2 AAA batteries)  
Be sure to keep the ports on the outside of each earcup  
free from debris. Do not blow air into or vacuum the ports  
or the earcups.  
Use a damp, clean cloth to remove dirt or smudges  
from the various headset parts. Do not allow moisture to  
enter the ports or inner earcup openings.  
Avoid use of sprays or chemical cleaning fluids.  
Long-term exposure to loud music may cause hearing  
damage. It is best to avoid extreme volume when using  
this headset, especially for extended periods.  
Do not use the headset for reproducing sound when  
operating a motor vehicle on a public road or where the  
inability to hear outside sounds may present a danger to  
the user or others.  
Sounds that you rely on as reminders or warnings may  
have an unfamiliar character when you are using the  
headset. Be aware of how those sounds may vary in  
character, so you can recognize them as needed.  
Do not drop, sit on, or allow the headset to be immersed  
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in water.  
October 30, 2001  
Uses and Reminders  
Earcushion reattachment  
If the earcushions come off, replace them as follows:  
1. Fit the plastic skirting around the rim of the earcup.  
2. Make sure it attaches smoothly and uniformly around  
the entire earcup. (Do not remove the earcup lining  
Earcushions may need to be replaced due to normal  
wear and tear. Replacement kits can be purchased by  
calling Bose®. See the back cover of this owner’s guide  
for a list of phone numbers.  
Battery replacement  
In this application, battery life averages 80 hours. With  
the headset turned on, a flashing light on the control  
box indicates a minimum of 8 hours of use remains.  
When replacement is indicated, use 2 AAA alkaline  
batteries (IEC LR03). Dispose of used batteries properly.  
Note: Rechargable batteries can be used, averaging half  
the life of alkaline (NimH are recommended). However, the  
low battery indicator light is not calibrated to these  
batteries and may not function properly.  
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October 30, 2001  
Possible Cause  
• Noise reduction  
No power to  
Turn it on,  
• Low/no volume  
Sound source setting Turn up  
volume, set  
on Hi  
• Crackling noise  
or intermittent loss  
of noise reduction  
Low batteries  
• Low rumbling  
Poor earcup fit,  
audio ports blocked  
Adjust fit,  
clear ports  
For additional help, please call Bose customer service.  
See back cover for phone numbers.  
Other needs  
This headset is not engineered to meet the needs of pilots  
or civil aviation authority standards for aviation communi-  
For that purpose, Bose offers the Aviation Headset X,  
which features a microphone with the appropriate power  
and intelligibility for transmission of flight information. It is  
engineered to withstand the altitude and temperature  
conditions common in non-commercial aircraft.  
For information on the Bose Aviation Headset X, contact  
Bose Corporation by calling 1-800-242-9008. For calls  
made from outside the United States, 1-508-766-1099.  
The Bose QuietComfort Acoustic Noise Cancelling  
headset is covered by a one-year transferrable, limited  
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October 30, 2001  
For Sales or Customer Service  
USA & Canada  
Bose Corporation, The Mountain  
Framingham, MA 01701-9168  
Outside the US: 508-766-1942  
United Kingdom  
Freepost EX 151  
Exeter EX1 1ZY  
0800 614 293  
Outside the UK: +44 1392 428 366  
World Wide Web  
Bose®, QuietComfortand Acoustic Noise Cancelling®  
are trademarks of Bose Corporation.  
©2001 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA  
254864 AM Rev.03 JN11017  
Printed in Taiwan  
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