HDR Tone Mapping for high nit LG displays

tallLeRoy · 2026-09-14T14:52:16+0000

The LG TV control on the Hardware Options panel includes a an Upload for HDR Tone Mapping. The Peak Luma (nits) setting is straight forward. For my G5 display, I set Peak Luma to 2200 nits from my measurements of the 10% window at my white point showing full legal brightness (940). The question comes for the Peak 1, 2 and 3 settings. The default Roll Off (%) and Luma look correct for displays with Peak Luma of around 800 nits, but how should they be set for Peak Luma of over 2000 nits but less than 4000 nits? Suggestions please, LeRoy

You must be logged in to post content on this forum.

	Light Illusion Forums / Display Calibration /
	HDR Tone Mapping for high nit LG displays

	tallLeRoy ZRO	#1 \| Posted: Yesterday 14:52
		The LG TV control on the Hardware Options panel includes a an Upload for HDR Tone Mapping. The Peak Luma (nits) setting is straight forward. For my G5 display, I set Peak Luma to 2200 nits from my measurements of the 10% window at my white point showing full legal brightness (940). The question comes for the Peak 1, 2 and 3 settings. The default Roll Off (%) and Luma look correct for displays with Peak Luma of around 800 nits, but how should they be set for Peak Luma of over 2000 nits but less than 4000 nits? Suggestions please, LeRoy

	ConnecTED CAL	#2 \| Posted: Today 00:02
		Most popular HDR mastering monitors peak at 1000/2000/4000 nits, so I recommend setting all parameters to 100. (Optionally, you can set 90 value for 4000, but I bet you will not notice any difference in real content that has 4000-nit metadata)

	tallLeRoy ZRO	#3 \| Posted: Today 01:49
		ConnecTED Thanks Ted, I will give it a try for 1000/2000 and experiment with 4000. Or would it be better to define 2000/4000/10000?

	Light Illusion Forums / Display Calibration /
	HDR Tone Mapping for high nit LG displays