Compatibility of System Exclusive Data August 17, 2023 02:27 Updated Follow The JV-1000 System Exclusive information can not be read by the JD-990. (However, the JD-990 will read the Patch Temporary Data of the JD-800.) Related articles JD-990: Turning Parts on or off using system exclusive. JD-800: Effects in the JD-800 JD-08: Are the JD-800 sound library tones built in? AX-Edge: How to find Roland Cloud content for my instrument D-50: Technical Specifications