Understood, so we want as flat a line as we can get from 10% to 90%.
However, it's how we get there is what I am trying to grasp. Michaels's post appears to be stating that raising the gamma setting in the user menu is not the way to go as others have suggested because the user menu setting is somewhat accurate, but you need a very small window to get the reading. Using a 10% window will give you a lower than actual reading and then making adjustments with gamma ire may give you the flat line but you are not calibrating to the gamma measurement that you think that you are.
1. You set the picture mode gamma to 2.2 in the display.
2. You test your gamma and it is showing 1.9
3. You go into the menu and change the gamma setting to 2.4 in the display.
4. You test gamma again and now it's showing 2.2.
You think you are good because you have the result you were looking for, but you really don't because you are calibrating with 10% windows. If you were to run the same gamma test with much smaller windows, the result would be closer to the actual gamma setting that you selected in your display.
Is this correct or am I misunderstanding what Michael is stating in post #9?