Care and Maintenance

English

Cleaning

Scheduled cleaning is not required. However, you can simply wipe the outside surface of the headphones with a dry cloth, as needed. Also, be sure that the earcup ports are clear and that no moisture is allowed into the earcups. Use only a dry cloth to clean the electrical contacts on the battery, in the charger, or in the battery compartment of the headphones.

CAUTIONS:

Be sure to unplug the battery charger before cleaning it.

DO NOT use a moist cloth to clean the electrical contacts on the battery, in the charger, or in the battery compartment of the headphones.

Français

Troubleshooting

If you experience any trouble using your headphones, try the instructions in the following table. If you still need help, call for technical assistance. In the United States only, call 1-800-905-2113. For other regions, see the contact information on the inside back cover.

Problem

What to do

 

 

 

No noise reduction

Make sure the headphones power switch is on.

 

Charge the battery.

 

 

 

Low or no volume

Make sure the audio source is on and the volume is turned up.

 

Do not use the dual-plug adapter.

 

Check the headphones cord connection at the source and the

 

 

earcup.

 

 

 

Crackling noise;

Charge the battery.

intermittent loss of

Clean the contacts on the battery and in the battery

noise reduction

 

compartment. See “Cleaning” on page 12.

 

Replace the battery.

 

 

 

Low rumbling

Adjust earcup fit on your ears.

sound

Make sure earcup ports are not blocked.

 

 

 

Charger indicator

Remove the battery, wait 10 seconds, and insert it again.

is flashing

Unplug the charger, wait 10 seconds, and plug it in again.

 

Make sure the air temperature is within the acceptable range

 

 

for charging, 32°F (0°C) to 95°F (35°C).

 

Replace the battery.

 

Replace the charger.

 

 

 

Short battery life

Replace the battery.

after charging

Replace the charger.

 

 

 

Microphone is not

Make sure that the headset plug is securely connected to the

picking up sound

 

headphone jack.

 

Make sure the microphone is not being blocked or covered.

 

 

The microphone is located on the back of the Answer/End

 

 

button.

 

 

 

12

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Bose QuietComfort 3, QC3 manual Cleaning, Troubleshooting, Problem What to do

QC3, QuietComfort 3, 3 specifications

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