x-rite iprofiler Projector wall color calibration (with an Epson 2040 2045 EB-U32 TW5210 etc)

Some extra notes worth looking at........ 1)Make sure to put x-profiler software in to 'Advanced' mode. 2)A proper neutral projection screen doesn't need this. Calibration is for walls, which are never truly neutral unless specifically made to be. 3)Calibrating means that for a particular wall you can switch between your firestick or bluray drive or laptop, and the colors will still be correct for that wall. No need for fiddling with 'color profiles' files, which in any case is impossible for most devic