What can I do to solve a problem?
If the system does not function as expected, try the following steps to resolve the issue.
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Find the symptoms of the issue in this manual, and try any corrective actions listed. [Details]
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Connect the headphones to your computer to charge the battery. [Details]
You may be able to resolve some issues by charging the battery.
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Reset the system.
Settings (audio volume, etc.) are reset to the default settings.
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Look up information on the issue on the customer support Web site.
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If the approaches listed above fail to resolve the issue, consult your nearest Sony dealer.