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Auto:
Dolby Digital Plus, Dolby Digital and HE-AAC multi-channel are output 
as Dolby Digital Bitstream. MPEG is output as PCM. DTS is output as 
DTS for video contents of Media Player / Network services.
PCM:
Digital output signal is fixed to PCM.
 ●
ARC (Audio Return Channel) is a function of digital audio output using 
HDMI cable.
 ●
For DVB mode or video contents of Media Player / Network services
 Media Player   Video mode   Audio output settings
 Home network   Videos   Audio output settings
SPDIF Delay
Adjusts the delay time of the sound output from DIGITAL AUDIO and HDMI2 
(ARC function) terminals if the sound does not synchronise the image.
 ●
For DVB mode
HDMI1 / 2 / 3 Input
(Digital / Analogue)
Selects to fit the input signal.
 Watching   External equipment   HDMI features
Digital:
When sound is carried via the HDMI cable connection
Analogue:
When sound is not carried via the HDMI-DVI adaptor cable connection
 ●
For HDMI input
Reset to Defaults
Press OK to reset the current Sound Mode to the default settings.
Network
Network Connection
Sets the network setting to use this TV in your network environment.
 Internet service   Network settings
 Home network   Network settings