How to Enable HDMI-CEC on Your TV, and Why You Should
Qual è la differenza tra 'HDMI CEC' e 'HDMI ARC' 📺
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