OK, thanks. I'll test out your corrected code as soon as I have a couple of hours to spare. Robert -----Original Message----- From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] On Behalf Of Graeme Gill Sent: 10 December 2014 11:09 To: argyllcms@xxxxxxxxxxxxx Subject: [argyllcms] Re: FWA Compensation robert@xxxxxxxxxxxxxxxxxx wrote: Hi, > As you are doing a new release, I don't suppose you would be able to add an > option for the i1Pro2 to measure UV on / off for spotread? No, that's a major amount of work, and I don't see having time for it at the moment. > i1Profiler has > this feature and it's very useful to get an estimate of how much FWA is in > the paper (for example, with a particular paper the b* reading is -15 with > UV and -4 without ... which gives a good indication of very high FWA > content). [Also, by looking at the a* reading too it gives an idea of the > extent of the color shift due to the FWA. In the case of this particular > paper b* went from 3 with UV to 0.5 without, so quite a magenta tint caused > by the UV]. Argyll already supports M0, M1 & M2 with the i1pro & i1pro2, as well as the more general FWA compensated readings. You don't need the UV on/off reading to do this. Graeme Gill.