The volume of the Sound Bar changes unexpectedly while watching content from YouTube or a set-top box.
IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
This issue can be resolved by turning the A.VOL (Auto volume) setting OFF. Follow these steps to turn on the setting:
Note: When the A.VOL (Auto volume) setting is On, the volume adjusts automatically depending on the input signal or content from a connected device.
For HT-S20R / HT-S40R
For HT-S400
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