Il 18/11/2010 04:05, Graeme Gill ha scritto: > Niccolò Belli wrote: >> What's even more strange is that it doesn't have any difficult to reach >> target without -V -Ibw. Screen is a laptop one, a very bad quality one I >> think. Maybe omit them is a better choice. > > It's hard to know why that is, short of a long investigation of a display > that behaves similarly. A -v2 trace may give some hints though. Also, the calibration curves seem to be similar but shifted. Here is the first one, without -H -V -Ibw. It easily reachs the target. http://darkbasic.homelinux.com/images/curves.png Here is the second one, with -H -V -Ibw. It doesn't reach the target. http://darkbasic.homelinux.com/images/curves_HQ.png Darkbasic