Originally Posted by: Rogerd99I too have a GT-100 and this link may be what you need to assign one of the footswitchs to either preamp or send receive.

http://www.bossus.com/support/knowledge_base/201973449

Thanks very much for your insight:) I finally got it sorted out with the help of Dan Doiron of Roland Canada. I now have the ability to turn on or off the peamps and S/R of the GT100 by just pressing the A or B pedals on my BOSS FS6. I can use this method globally (with every patch). Of course, once I turn the GT100 off everything is returned to it's saved state. If I want to make the change permanent I just perform the write function. This is what I was after all along. Now it works the way I want it to. Again thanks for your help!

Phil