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It is HDMI CEC channel (existing since 1.1) that allows the TV to control its source. https://en.wikipedia.org/wiki/Consumer_Electronics_Control https://en.wik
by bebna 8y ago
It is HDMI CEC channel (existing since 1.1) that allows the TV to control its source.
https://en.wikipedia.org/wiki/Consumer_Electronics_Control https://en.wikipedia.org/wiki/Consumer_Electronics_Control