Panasonic TX-50AX802B Ehelp page 76

DisplayPort Input
(Digital / Analogue)
Selects to fit the input signal.
Digital:
When sound is carried via the DisplayPort cable connection
Analogue:
When sound is not carried via the DisplayPort cable connection
For DisplayPort input
●
ARC Output
(HDMI2 / HDMI4)
Selects ARC output terminal settings.
To use 4K compatible amplifier, connect an amplifier to HDMI4 and select
●
HDMI4.
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