The Yamaha AN1x Synthesizer mailing list

Hi Anton,

I've no experience with the MIDEX8, but as a loyal list member I'll tell you
that many folks have had problems with the AN1x and MIDI.  Either one or both
the computer and the synth start to choke.  One hilarious screen message is
"Illegal Data" on the AN1x.  Most of the chatter on the list has concluded that
the AN1x has some strange method of sending "packets" that require some
acknowledgement when doing sysex, and if the MIDI interface isn't quick enough
in providing a response, then ugly stuff happens.

Maybe you might try MIDIOX (freeware) and analyze the data stream for any
quirks.

Ed Edwards
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