@Warner306:
Here are the graphs I promised for the monitor, can't do the TV at this time:
LG_IPS235_graph
I performed new measurements because white balance drifted a bit so peak brightness is actually 175 cd/m2 (and we complained about plasma brightness). I also used MadVR 0.92.17 and it seems math is a bit different than before, making my previous comments irrelevant. Color tweaks and highlight recovery are set to disabled/none, not to interfere with BT.2390 math.
Screenshot titles are self explanatory but I'll recap:
LG_IPS235_175nits_Gamma2.2.png - this is the measured gamma of the monitor when set to 2.2 preset (no 10-point adjustment available) and measured with HCFR's internal automatic SDR patterns nits to check if gamma is tracking well even at peak brightness
LG_IPS235_175nits_PQ.png - this is the PQ tracking (MadVR set to clipping), manual HDR pattern advance
LG_IPS235_175nits_BT.2390.png - this is the BT.2390 tracking when HCFR reference settings are set to default
LG_IPS235_100nits_BT.2390_MinL=0.13_MaxL=10000.png - this is the BT.2390 tracking when MadVR is set to minimum allowed peak brightness of 100 nits and Master MinL is set to monitor's measured black level, while Master MaxL is set to theoretical maximum of 10000 nits
provided HCFR math is correct, it seems Master MinL and MaxL values affect the reference BT.2390 curve and make MadVR's math, as measured, track closer/smoother. BT.2390 tracking drifts significantly at 50 & 60% stimulus even though the measured gamma the BT.2390 curve is transposed to is "perfect"..
perhaps the measured black level value should also be added to MadVR's math?
As for your patterns, I can see very faint flashing at the right side of the screen with "Black Level 10-bit" as well as slightly lighter right side compared to left side with "Black level 8-bit/10-bit combined".