Need help sending SysEx to Mutant Brain

[SynthWizard]

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Need help sending SysEx to Mutant Brain

<!-- SC_OFF --><div class="md"><p>Hi everyone,</p> <p>I’m not usually technically challenged but this one beats me.</p> <p>I’m trying to send a Brain Surgery sysex file to my new Mutant Brain. I hold the button down when powering on the system, Mutant Brain indicates readiness by two constantly on LEDs.</p> <p>The upload does start but pretty much immediately the Mutant Brains LEDs change from both constantly on to the left one off and the right one blinking twice before a longer break, then repeating.</p> <p>I’ve tried from Windows 10 with MIDI-OX and 2 different USB2MIDI cabled that I successfully sent sysex data before with. I also tried from MacOS with SysExLibrarian. On the Windows PC I’ve changed USB ports.</p> <p>From Windows, I can use the same port / cable to transmit data to the Mutant Brain and it does what it should, so MIDI transfer in general works.</p> <p>When I change the output buffer size in MIDI-OX to some small number I can see that the error state (?) (the blinking LEDs) starts after the first buffer has been sent, but before the whole content has been transmitted.</p> <p>The behaviour is the same whether I upload my desired sysex patch or the “Default (Mutant Brain).syx” one that can be downloaded which is linked in the manual.</p> <p>Any ideas? Thanks &lt;3</p> </div><!-- SC_ON --> submitted by <a href="https://www.reddit.com/user/AnoikisNomads"> /u/AnoikisNomads </a> <br/> <span><a href="https://www.reddit.com/r/modular/comments/r1q4ir/need_help_sending_sysex_to_mutant_brain/">[link]</a></span> <span><a href="https://www.reddit.com/r/modular/comments/r1q4ir/need_help_sending_sysex_to_mutant_brain/">[comments]</a></span>