Bose QuietComfort 3 Посібник користувача - Сторінка 10

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Bose QuietComfort 3 Посібник користувача
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 char-
ger, 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
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
Crackling noise;
• Charge the battery.
intermittent loss of
• Clean the contacts on the battery and in the battery
noise reduction
• 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
• Replace the battery.
• Replace the charger.
Short battery life
• Replace the battery.
after charging
• Replace the charger.
10
earcup.
compartment. See "Cleaning" on page 10.
for charging, 32°F (0°C) to 95°F (35°C).