Hi Howard.

I'm not sure, but if this software was applied at the CD-rom that was a part of the KN's, maybe this link will be for any help?
Scroll down to see download links:
http://www.ca-software.com/technics/downloads/7000.htm

Also here the software is mentioned, but it say 'Coming Soon'
https://technicskeyboards.com/technics-keyboards/technics-kn2600/
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Cheers 🥂
GJ
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"Success is not counted by how high you have climbed
but by how many you brought with you." (Wil Rose)