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MIDI Implementation
■System Realtime Message
●Timing Clock
Status
F8H
●Active Sensing
Status
FEH
*When Active Sensing is received, the unit will begin monitoring the intervals of all
further messages. While monitoring, if the interval between messages exceeds 420 ms,
the same processing will be carried out as when All Sounds Off, All Notes Off and Reset
All Controllers are received, and message interval monitoring will be halted.
■System Exclusive Message
Status Data byte Status
F0H iiH, ddH, ......,eeH F7H
F0H: System Exclusive Message status
ii = ID number: an ID number (manufacturer ID) to indicate the manufacturer whose
Exclusive message this is. Roland’s manufacturer ID is 41H.
ID numbers 7EH and 7FH are extensions of the MIDI standard;
Universal Non-realtime Messages (7EH) and Universal Realtime
Messages (7FH).
dd,...,ee = data: 00H - 7FH (0 - 127)
F7H: EOX (End Of Exclusive)
Of the System Exclusive messages received by this device, the Universal Non-realtime
messages and the Universal Realtime messages and the Data Request (RQ1) messages and
the Data Set (DT1) messages will be set automatically.
●Universal Non-realtime System Exclusive Messages
❍Identity Request Message
Status Data byte Status
F0H 7EH, dev, 06H, 01H F7H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
dev Device ID (dev: 10H - 1FH, 7FH)
06H Sub ID#1 (General Information)
01H Sub ID#2 (Identity Request)
F7H EOX (End Of Exclusive)
*When this message is received, Identity Reply message (p. 146) will be transmitted.
❍GM1 System On
Status Data byte Status
F0H 7EH, 7FH, 09H, 01H F7H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
7FH Device ID (Broadcast)
09H Sub ID#1 (General MIDI Message)
01H Sub ID#2 (General MIDI 1 On)
F7H EOX (End Of Exclusive)
*When this messages is received, this instrument will turn to the GM mode.
❍GM2 System On
Status Data byte Status
F0H 7EH 7FH 09H 03H F7H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
7FH Device ID (Broadcast)
09H Sub ID#1 (General MIDI Message)
03H Sub ID#2 (General MIDI 2 On)
F7H EOX (End Of Exclusive)
*When this messages is received, this instrument will turn to the GM mode.
❍GM System Off
Status Data byte Status
F0H 7EH, 7F, 09H, 02H F7H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
7FH Device ID (Broadcast)
09H Sub ID#1 (General MIDI Message)
02H Sub ID#2 (General MIDI Off)
F7H EOX (End Of Exclusive)
*When this messages is received, this instrument will return to the Performance mode.