> You can measure the ambient light using the Huey and Argyll either > using spotread -a, or as part of setting up the monitor within > dispcal. The color temperature is always D50 because the Huey > only has a monochrome ambient sensor (that's what the bump on > the back of the instrument is.) The accuracy doesn't seem to > be fabulous, but it does function. > > Graeme Gill. Thanks Graeme! Just tried it, and it's worked. I wouldn't suppose that it would measure color temperature for 40$ I've bought it :) Have tried to measure ambient light previously using menu option in dispcal, but it failed(I did it long ago and not on version 1.0.4) so I stop checking this menu at all. Can you please advice what would be best placement of Huey in space during light measuring? I know that it's recommenced to place meter "beside the display and point upward", but I'm not sure where should it be exactly. Should I place it between me and monitor on my eye level or on the table? As difference in reading for these two levels are 70 lux