If you’ve ever noticed your PlayStation turning off your TV when you power it down, it’s due to a feature called HDMI-CEC (Consumer Electronics Control). This technology allows connected devices, like your PlayStation and TV, to communicate via the HDMI cable. It can be quite convenient, especially for those who appreciate the simplicity of controlling multiple devices with a single remote.  For instance, it automatically powers up your TV when you press the PS button on your PlayStation controller
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