This kind of makes it sound like there's something filtering the data (or not) at the computer. But that's just wild guessing in the absence of more info. Do you have some kind of MIDI routing software running??
Florian Heer <yamahadx@...> schrieb am Mo., 18. Nov. 2019, 15:24:
On 18/11/2019 15:19, Jeremy Bernstein via Groups.Io wrote:
> The flickering light, btw, is just the active sensing and is totally
> (annoying, but) normal on Yamaha keyboards.
Yes, the only thing I found strange about it, is that it first is only
received by the MOTU and not relayed, but after trying to dump the
sysex, it is also send to the outputs.