...For start point, just select a patch from Factory Patch List and then use this patch as your start reference. All the parameters of patch will be imported by JV PacthEd.
At the end of edition, if you desire, you can store a new patch on Internal User bank of JV-880, on Data Card or on your computer as a sysex file.
The selected user patch position patch o JV-880 will be overwrited!
For Roland JV-80 please visit the link below:
https://sourceforge.net/projects/jv-patched-jv-80/
Any feedback will be welcome.