Sound SettingsPress .Select Settings and press the .Select Device Preferences and press the .Select Sound option, and press the .Sound menu shall be displayed.Additional informationSystem SoundsBalanceBassTrebleSurround SoundEqualizerSpeaker DelayeARCDigital InputDigital OutputSPDIF DelayDigital Output DelayAutomatic VolumeDownmix ModeDTS DRCDTS Virtual:XRestoring Factory Defaults for Sound Settings
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Settings and press the 
.... Settings and press the ...