Bose QC3 Manual do Proprietário - Página 10

Procurar online ou descarregar pdf Manual do Proprietário para Auscultadores Bose QC3. Bose QC3 45 páginas. Acoustic noise cancelling headphones

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Care and Maintenance

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.

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 1-800-905-2180. For other regions, see the contact information on the inside

back cover.

Problem

No noise reduction • Make sure the headphones power switch is on.

Low or no volume • Make sure the audio source is on and the volume is turned up.

Crackling noise;

intermittent loss of

noise reduction

Low rumbling

sound

Charger indicator

is flashing

Short battery life

after charging

What to do

• Charge the battery.

• Do not use the dual-plug adapter.

• Check the headphones cord connection at the source and the

earcup.

• Charge the battery.

• Clean the contacts on the battery and in the battery

compartment. See "Cleaning" on page 10.

• Replace the battery.

• Adjust earcup fit on your ears.

• Make sure earcup ports are not blocked.

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

• 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.

• Replace the battery.

• Replace the charger.