Not sure why this isn't working, but it may have something to do with the VH save feature itself, which is in the VH settings area of the keyboard - not the registrations. I believe there is a way to link them to the registrations, but not exactly sure how this is done on the T4.
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.)