The result is disappointing. It does not work.
Connected to the output of a PS3 with two functional cables on a TV screen and a PC in HDMI (both 1080p) = NOTHING
If a screen is off, no signal from the other, and if both are on one side of the green bars and a vacuum signal of the other (but a signal)
At the output of PC, even for a single observation lit screen. And then if both are on, I have a whole side of a screen or rotten I recognize my desktop PC, and the other, green bars or empty signal.
So I contacted the seller, who told me to check that I had both screens lit up, and they had to be both at the same resolution, I said that's what I had done and so I asked a solution, nothing ...
In short, I tried, and it failed to prevent