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Can't figure out if there is a HDMI-CEC setting on tv. I have the Costco TCL 55S434 and plugged Roku Streambar Pro into the HDMI (ARC) and I can't power it on/off
HDMI CEC lets you control multiple TV connected devices with one remote
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J-Tech Digital HDMI to HDMI ARC Adapter with CEC and Optical TOSLINK Audio Output, HDMI ARC Audio Adapter | Audio Extractor for Home Theater Application, Support 4K Support CEC Function - Newegg.com
What is HDMI eARC? Why is it different to HDMI ARC?
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How to activate HDMI ARC, CEC and ARC
HDMI ARC: What is it and do I need it if I'm buying a new TV?
Some basic info on ARC and eARC
HDMI ARC: What is it and do I need it if I'm buying a new TV?
HDMI ARC and HDMI eARC: everything you need to know | What Hi-Fi?
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HDMI CEC vs ARC: In Depth Comparative Analysis and Facts