The SD90 software version is nowhere to be found in Ketron website.
Do the SD9 & SD90 has the same OS and version?
What is the latest version of SD90? The info on their website about SD90 is very minimal.

Thanks for any info.
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Jim

SD90,Korg I3, KMA Liverpool,TC Helicon Play Electric, Fender Sonoran Guitar, vArranger, Bose S1 Pros, Bose L1 Compact, Aiwa Exos-9