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 XP-50 Patch List XP-50 Turbo Start XP-50 Frequently Asked Questions XP-50 Advanced Sequencing XP-50 Used with External Sequencer XP-50 Creating RPS Sequences from Standard MIDI Files