Dimitrije Zivkovic wrote: > After I read patches, and making a first profile i've got big peak error over > 33. > > I try to find how to fix reading erros, and find that refine can help. > I found also scenario for using refine, but I really don't understand. Hi, before jumping into refine, I'd try and figure out why you are getting such a large fit error. profcheck -v can point to which test patch cause this error, and it is worth re-measuring that patches color value. ie.e Are you sure the chart hasn't been mis-read for instance ? Graeme Gill.