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This is the RJM Music Wiki, where we keep user manuals and other content

User Manuals

Mastermind GT / Mastermind LT / Mastermind PBC Editor (for version 4 firmware/editor)

Older Versions

Mastermind GT / Mastermind LT / Mastermind PBC Editor (for version 3 firmware/editor)

Additional Information

Compatibility Notes

• Expression Pedal Compatibility
• External Switch Compatibility