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
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How to connect a TV to soundbar: HDMI ARC vs optical | Popular Science
How Do I Know If My TV Has HDMI ARC/eARC? - Pointer Clicker
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
Difference Between an HDMI Cable and HDMI ARC Cable
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