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Display Calibration Light Illusion Forums / Display Calibration /  
 

Difference between active Lut and after calibration is uploaded to monitor

 
Author EclecticIndustries
ZRO
Male
#1 | Posted: 6 Feb 2023 13:48 
I am calibrating some production monitors. I ran a profile and created a Lut. I verified using active Lut and got a delta E of 2. When I uploaded thad Lut to the monitor and profiled it had a delta e of 12. What could account for this difference?

Author Steve

INF
Male
#2 | Posted: 7 Feb 2023 08:08 
Please see the User Guides.
Specifically the Calibration Issues page, the Active LUT vs. LUT Upload section.
All is explained there: https://www.lightillusion.com/calibration_issues.html#active_vs_upload

Steve
Steve Shaw
Mob Boss at Light Illusion

Author EclecticIndustries
ZRO
Male
#3 | Posted: 8 Feb 2023 03:53 
Thanks! Is a difference of 10 normal?

Author Steve

INF
Male
#4 | Posted: 10 Feb 2023 04:05 
There should be no difference at all, or at most a small variation due to rounding errors, etc.

Steve
Steve Shaw
Mob Boss at Light Illusion

Author EclecticIndustries
ZRO
Male
#5 | Posted: 10 Feb 2023 14:49 
Thanks for the info. What would account for such a large discrepancy then?

Author Steve

INF
Male
#6 | Posted: 11 Feb 2023 01:31 
Have you read the guide linked to?
https://www.lightillusion.com/calibration_issues.html#active_vs_upload

Steve
Steve Shaw
Mob Boss at Light Illusion

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Display Calibration Light Illusion Forums / Display Calibration /
 Difference between active Lut and after calibration is uploaded to monitor

 

 
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