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ヘッドフォン Bose QC 2のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Bose QC 2 11 ページ。 Acoustic noise cancelling headphones
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Cleaning the headphones

Scheduled cleaning is not required. However, you can

simply wipe the outside surfaces with a damp cloth, as

needed. Also, be sure that the earcup ports are clear and

that no moisture is allowed into the earcups.

Troubleshooting

Problem

• Noise reduction

absent

• Low or no

volume

• Crackling noise;

intermittent loss

of noise reduction

• Low rumbling

AM257565_00 _V.pdf May 13, 2003

Reference

Possible Cause

No power

to headphone

Audio source

setting

Audio attenuator

connection

Low battery

Poor earcup ﬁt

Ports blocked

Solution

Turn unit on;

check battery

Turn source

volume up or set

audio attenuator

on "Hi"

Check connection

at source and

insertion into

the earcup

Replace

battery

Adjust ﬁt on ears

Clear ports