Ok, if you manually set DEEP COLOR to 10bit and HDMI to 3840x2160/24 then color space to YUV 422, you will get deep color on a JVC rs400. It does...
I have a JVC RS400 projector and clicking on info it shows all data in the incoming stream including fps, hdr(on - off), deep color (#bits), color...
I just got my zidoo x9s and I noticed that when playing 4K HDR the deep color is only using 8bits (which is not deep color) and is noticeably less...
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