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 KR-777 TurboStart Introduction to the KR-Series Intelligent Pianos Discover the amazing features of the KR-Series Intelligent Pianos with this helpful brochure.