I think this question and it's answer is somewhere in the list archives too.
(FWIW)
I don't know the answer(s) off hand, but the differences between versions
was nothing ∗very∗ big at least... maybe only some (may i say "tiny" when it
comes to bugs?) bug-fixes.
peter.bognar@... schreef:
> Sorrry for the "newbie" questions, but...
>
> What is the procedure to display the operating system version on the AN1x?
>
> I bought my keyboard used. What is the latest version, what does it fix,
> and how do I go about getting the latest upgrade from Yamaha?
>
> Thanks for your help...
>
> Pete Bognar