Support Owner’s Manuals Support Documents If you have questions about operating your Roland product, please check our Knowledge Base for answers to the most common questions. You can also contact our Product Support through Roland Backstage. In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference. Owner’s Manuals Owner's Manual Support Documents SR-JV80-15 Patch Listing JV-1010/1080/2080 and XP Series SR-JV80-15 Patch Listing JV-80/880/90/1000 SR-JV80-15 Waveform Listing User-installable Board Compatibility Guide Selecting Internal and SR-JV80 Expansion Sounds Via MIDI