Roland JX10 + JX3P , SysEx OS modification
every worried about the Roland JX10’s SysEx implementation? Colin Fraser has a DIY remedy.. JX10 SysEx Edit
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Here is something like this for the JX3P JX3P SysEx..
it stops the pg200-has-no-sysex problem and you can run the pg200 and midi at the same time.
Roland JX section here on the Site:
JX Synthesizers..