James Freeman wrote: > Some times it takes 10 attempts for a single shade of black, other times it > just fails to > reach the extremely low expected dE and gives up (in the log). Is that using MadTPG ? > If you can, please change the calibration dE behavior to what it was in > version 1.6.0/1 so > that calibration will be faster (like it was). That's not possible without compromising the black level. > I will just change the 0.000 step to 0.00, 0.00, 0.00 in the .CAL file to > preserve the > Contrasts Ratio. That's fine for you, but not everyone else. The whole _point_ of calibration is to measure the display, not make assumptions about it as you are doing with the above edit of the .cal file. Graeme Gill.