NovaStar MCTRL4K User Manual page 22

 When the input source is HLG, you can select one HLG mode from the 7 modes, namely HLG1 (300 nits)
to HLG7 (1700 nits).
Standard Parameter
HDR10 Screen Peak Luma
Ambient Light
Low Grayscale Mode
HLG HLG Mode
Step 3 (Optional) Choose Reset to reset the HDR settings to factory settings.
Figure 6-13 LCD Menu Operations - HDR10
Figure 6-14 LCD Menu Operations - HLG
Method 2: In Software
Step 1 Run NovaLCT and choose Settings > Adjust screen effect.
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MCTRL4K LED Display Controller User Manual
Description
Range: 100 to 10000; step: 10
Used to adjust the screen brightness during normal operation
Range: 0 to 30; step: 10
Used to display the brightness of ambient light radiated to the screen
(You need to enter the brightness value after measuring.)
Range: 0 to 50; step: 1
Used to improve the image display effect. The bigger the value, the
clearer the details in shadows.
A total of 7 HLG modes supported, including HLG1 (300 nits), HLG2
(450 nits), HLG3 (600 nits), HLG4 (750 nits), HLG5 (1000 nits), HLG6
(1300 nits) and HLG7 (1700 nits)
Used to adjust the image display effect. You can select a mode based
on the actual screen peak Luma value. At the same time, you can try
the adjacent HLG modes based on the on-site ambient light
brightness to see their effects and select the best mode.
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