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  1. Josh Steinberg

    Help with dtr-40.7 and Apple TV 4K

    Best guess: The AppleTV is doing an HDMI handshake with the receiver, detecting that the receiver is 4K capable, and defaulting to a 4K signal. First thing to try: turn everything off, maybe even unplug the AppleTV from the outlet if the light is still on, since it doesn’t have a conventional...