<> Write values separated by space. Leading "0x" or following "h" indicates a value is hex number. Values "10" and "20" are decimal number. If you enclose numbers in "[" and "]", checksum of enclosed numbers is inserted in the position of "]". "(" and ")" are just ignored. You use them as marker. Quoted characters like "String" are recognized as a string data. Double quote mark escaped as \" in string data. Backslash mark escaped as \\ in string data. e.g. "Say \"Hello\"" "\\(^_^)/" <> Display a string "test" on LCD of Roland GS MIDI module. f0h 41h 10h 45h 12h [ 10h 0 0 "test" ] f7h