colour space

marsonia

Vu+ Newbie
Hi!
Recently i bought lg oled 4k and I connected it to vu+ solo 4k and enable uhd deep color on hdmi port.
On vu+, if colorspace whas at auto, it didn't work, picture wasn't showing. When i change that to RGB, it worked but was seeing white pixels on darker scenes.
Can anyone explain what that option (color space) is? Is this HDR related?
 
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