Dear TechnicsPlayer,
I am sorry if there is the possibility that I offended you by suggesting that reading the manual may help.
My mentioning of the "untapped capabilities" was in the context of stating "How a USB device appears to a computer is up to the device, the device driver(s) and other supporting software(s)", and in debunking the restrictive context of your statement that "the Technics keyboards appear to a computer like an External disc drive".
As I indicated, the section about Computer Connection in the Technics Operating Instructions Manual refers to both USB terminals and MIDI terminals, NOT just MIDI.
Khai
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Khai