OK, done some more research and it seems that I should really use assign if I do not want to change the values of the steps, but I would be grateful if someone with more experience chimes in These are the two articles I found:http://www.dpug.org/forums/f8/qtr-changing-embedded-profile-step-wedge-2150/http://www.largeformatphotography.info/forum/showthread.php?79565-Convert-Gamma-1-8-to-2-2Thanks,Luciano