If the styles used to create the registrations are third party styles, and stored on the SM card, then the USB has no way of accessing those styles. However, if the styles are onboard styles, or third party styles stored in the keyboard;s internal memory, then there should not be a problem.
Cheers,
Gary
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Travlin' Easy
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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.)