Ivan Tsyba wrote: > Maybe applycal -u help in this situation? As I understand, that tool can > subtract calibration from > profile RGB data, so new profile will characterise display in it uncalibrated > state. Right? Hi, no, it doesn't work like that. applycal works on ICC profiles not raw profile data, and it will only remove a calibration that it has applied (ie. it leaves undo information in the file to allow this). Graeme Gill.