I don't know about you guys, but when I'm changing right hand sounds or registrations, I have to lift my right hand off the keys in order to select the sound or registration - not a problem.
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)