Can the PG-200 be used with the Kiwi3P Matrix upgrade?Yes. The Kiwi-3P Matrix has a small dedicated cpu that reads the PG-200 output.Can the PG-200 be used with the Kiwi3P upgrade?No.ThePG-200methodofsendingdataisnon-standardandhasproventocauseissuesastheKiwi3Pupgradedealtwithit.Thissupporthasbeen removed in the PE & 3P firmware and hardware.I cannot get the Edit or Write buttons to work.Thememoryprotectswitchmustbesetto‘OFF’.Thisislocatedontherearofmostsynths.TheEditorWritebuttonswillflashalltheToneslightsordisplay an error and will not allow a write to be made when the memory is protected.Can the Matrix 6 be used with the Patch Editor?Yes.The6hasanunfinishedsysexthatdoesnotallowforcompleteparametercontrol.Thisisexplainedintheusermanual.Everyparameterwecouldget working is now covered with the M6r patch.Ableton Live will not record or pass midi on some synths?Ableton Live does not record or pass Sysex codes. Any synth that uses sysex cannot be used with this software and the PE.I tried to upload a new program file to a Kiwitechnics product and it freezes during the Program File upload?TheProgramfileisalargefileandifthebuffersizeandmidihardwarecombinationisnotcorrectallthefilewillnotbesenttothePEorupgrade.Ifyouare usingMidiOXthentryreducingtheBuffersizeto64orlessandaddasmallpacketdelay. About100mSshouldbeenough.ThiswillcauseMidiOXtosend thefileslowersoyourhardwaremaykeepupbetter.ThePEandupgradescankeepupwithfullspeedbutmanymidiinterfacescannot.Notallmidi interfaces have been tested but if it cost $10 it probably will not work well. With midi interfaces what you get for what you pay seems to apply.Interfacesweknowwork,haveusedandtestedhereareMOTUMicrolite(cansometimeshangneedingrepowering),RolandCalkwalkUM-2GandMidiman Midisport 2x2.The Patch Editor has odd behaviour after an updateTry clearing the working memory in the PE by pressing XMOD as you power on, then select YES.