Note:
1.If your source device is 4K@60hz(HDMI 2.0 and HDCP2.2),please set up the resolution to 4K@30hz or 1080p@60hz to use this 3 ports HDMI switch.
How to set the resolution to fit our HDMI switch:
a). Connect your "4k@60hz HDMI 2.0 input device" directly to the TV
b). Then go to "setting-picture-resolution(choose "Auto")-then go to "HDMI Color Fomat"(choose "Auto")