Originally Posted by 10k
That 20pt chart looks to me like the TV has broken 10pt white controls. It's also interesting that the readings at the 10,20,30 etc levels do not match between the 10pt measure chart and 20pt measure.
Yes, every time the TV has been turned off and rested for several hours or more, the new reading will be different than before.
I tested this many times, it appears the i1 Display Pro really doesn't like temperature differences.
There are 3 ranges of readings that I can produce, all with i1DPro attached to the TV:
1. Immediately after turning on the TV.
2. Wait for 30 minutes while playing slides after turning on the TV, with no AC.
3. Wait for 30 minutes while playing slides after turning on the TV, with AC.
I choose #3, because #2 gets the TV and the room really really hot..
Even though I prepared 1 hour before measurement, the reading will be different every single time..
But the way the graph look will be similar, with similar high and low points.
And the dE difference is less than 1.
So, it's acceptable for me..