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MRCC 880 issue with patch data sysex not transmitting from PC to synth DIN input
#4
We have not seen this issue in testing.

We have tested with everything from 6 byte messages, all the way to 151KB firmware updates. And we've sent at least megabytes of SysEx data in testing to ensure reliability.

Most MIDI devices specify a SysEx buffer size because they can only receive certain size chunks of data at a time. Sometimes they need that data to be throttled as well. That is something configured in the software used to send the data. If you set that value to something the synth can't consume, it won't work. The MRCC 880 has internal buffers, but this does not have a relation to the above mentioned limitations of the receiving device. 

Here are some screens from MIDI OX I just made, sending and receiving a 37K file in 1024 byte chunks. Sent via MRCC 880 USB 1, routed to DIN 1 Out, connected to an MRCC XpandR which MIDI OX receives as the input for a round trip.
           
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RE: MRCC 880 issue with patch data sysex not transmitting from PC to synth DIN input - by Darryl - 10-31-2022, 06:42 PM

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