Hello Steve,
I would post your question on Sonic, as there are several kurzweil techs monitoring.

http://community.sonikmatter.com/forums/index.php?s=86bb57d783088405669ee3a703725693&showforum=15
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76