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I’m just wondering about this myself. Is full range RGB the only way the OSSC works? I’m using a Vestel TV at the minute which works pretty well with the OSSC, however, there is a slight issue I’ve run into. I have to set an option named HDMI True Black to on while using the OSSC. That would be OK, except that when I use my Xbox One X on that setting, I need to set it to full RGB. Doing so just slightly impacts the darker colours, making some darker ones just about not visible. Turning the brightness up only makes blacks turn grey, so that’s not what I want at all.
Basically the TV works perfectly for everything else using HDMI true black off and using limited RGB. Setting the HDMI true black to on is the equivalent of black level high, while off is like black level low. Because it seems to work better using the lower black and limited RGB, I’m just wondering if it’s possible to make the OSSC output the limited range instead?
The only reason it’s even an issue is because that black setting on this particular TV affects all channels, meaning I have to toggle it between on and off whether I’m using the OSSC or another device. It’s not the end of the world having to do that, but it’d be nice to be able to toggle the RGB range on the OSSC.