The volume of the Sound Bar suddenly turns up, or the Sound bar does not turn off even when pressing the power button. (Demo mode)
Volume turn up again by itself after turning it down.
The Sound Bar may be in demo mode.
To cancel the demo mode, reset the Sound Bar. For details on how to reset the Sound Bar, refer to the How to reset the Sound Bar article.
NOTE: For HT- CT390, HT-CT790, HT-NT5, HT-RT3, HT-XT2, refer to the DEMO appears on the display window of the unit and the Power or HOME buttons do not work. article.
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