Red screen on multi monitor config

Hello!

I'm using 2 screens, the 2nd one is for mfcd/shkval and its always red in FC3 modules (and Su-25t), shkval got a little red tint too when its on. I was looking thru the files to find something responsible for this but with no luck.

When flying BS2 i don't have any problem, it's always black when off and no tint whatsoever.

I was searching for this issue some time ago and found some dated posts about this but without any solution. Does anyone have this issue or found a way to fix this?

Here's monitor setup

_  = function(p) return p; end;
name = _('shkval_fullscreen');
Description = 'Right MFCD on the right and camera on the center'
Viewports =
{
    Center =
    {
         x = 0;
         y = 0;
         width  = 1920;
         height = 1080;
         viewDx = 0;
         viewDy = 0;
         aspect = 1920/1080;
    }
}

RIGHT_MFCD =
{
    x = 1921;
    y = 0;
    width = 1920;
    height = 1080;
}

UIMainView = Viewports.Center

and some screenshots