“I have a set of speakers with a Digital Optical input. Is the mute and full volume control of the TV mirrored/controlled exactly the same in the Optical out to the speakers? Thank you.”

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• Audio transmitted through the Optical Digital Audio Out on the LG 43 inch Class 4K Smart UHD TV with AI ThinQ® (42.5'' Diag), Model # 43UN7300PUF is fixed. It is not variable...^IFV

  Answered by LG Digital Customer Care 5 years ago

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• Ok, thank you for that information. SoloMan

  Answered by SoloMan 5 years ago

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