Trying to read in the i1 RGB Scan v1.4 target with chartread on my PC using the libusb0. I can't get passed Strip 1. I always end up with "Too many patches". So now, my only option is to read the target with MeasureTool, which works flawlessly in this application. I would have wanted the students to read the charts using chartread but, I guess it's pointless to insist. Once I have the Gretag file, can I convert it to a ti3 file using logo2cgats? I'll give it a try... Roger Breton