The maximum Luminance is determined by the monitor, through a combination of the Contrast OSD and RGB "gains". Otherwise, Luminance is controlled by dispcal through the calibration execution. / Roger > -----Original Message----- > From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms- > bounce@xxxxxxxxxxxxx] On Behalf Of Fabrizio Levati > Sent: 20 juin 2010 04:14 > To: argyllcms@xxxxxxxxxxxxx > Subject: [argyllcms] Re: DispcalGUI problem > > > > It's possible the Luminance varies a lot, for some crazy reason, > > during calibrating or profiling? > > > > I know it sounds like a dumb question but, is the luminance auto adjustment > turned off? > > Cheers > Fabrizio >