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●System exclusive messages related to mode settings
These messages are used to initialize a device to GS or General MIDI mode, or change the
operating mode. When creating performance data, a "GM1 System On" message should be
inserted at the beginning of a General MIDI 1 score, a "GM2 System On" message at the
beginning of a General MIDI 2 score, and a "GS Reset" message at the beginning of a GS
music data. Each song should contain only one mode message as appropriate for the type of
data. (Do not insert two or more mode setting messages in a single song.)
"GM System On" uses Universal Non-realtime Message format. "GS Reset" uses Roland
system Exclusive format "Data Set 1 (DT1)."
❍GM1 System On
This is a command message that resets the internal settings of the unit to the General MIDI
initial state (General MIDI System-Level 1). After receiving this message, this instrument
will automatically be set to the proper condition for correctly playing a GM score.
Status
Data byte
F0H
7EH, 7FH, 09H, 01H
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 message is received, Rx.BANK SELECT will be OFF and Rx.NRPN will be
OFF.
* There must be an interval of at least 50 ms between this message and the next.
❍GM2 System On
This is a command message that resets the internal settings of the unit to the General MIDI
initial state (General MIDI System-Level 2). After receiving this message, this instrument
will automatically be set to the proper condition for correctly playing a GM2 score.
Status
Data byte
F0H
7EH 7FH 09H 03H
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 message is received, this instrument will be able to receive the messages
specified by General MIDI 2, and use the General MIDI 2 soundmap.
* There must be an interval of at least 50 ms between this message and the next.
❍GM System Off
"GM System Off" is a command message that resets the internal state of this instrument
from the GM state to its native condition. This instrument will reset to the GS default state.
Status
Data byte
F0H
7EH, 7FH, 09H, 02H
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)
40H
EOX (End of exclusive)
* There must be an interval of at least 50 ms between this message and the next.
Status
F7H
Status
F7H
Status
F7H
❍GS reset
GS Reset is a command message that resets the internal settings of a device to the GS initial
state. This message will appear at the beginning of GS music data, and a GS device that
receives this message will automatically be set to the proper state to correctly playback GS
music data.
Status
Data byte
F0H
41H, 10H, 42H, 12H, 40H, 00H, 7FH, 00H, 41H
Byte
Explanation
F0H
Exclusive status
41H
ID number (Roland)
10H
Device ID (dev: 00H-1FH (1-32), Initial value is 10H (17))
42H
Model ID (GS)
12H
Command ID (DT1)
40H
Address MSB
00H
Address
7FH
Address LSB
00H
Data (GS reset)
41H
Checksum
F7H
EOX (End Of Exclusive)
* When this message is received, Rx.NRPN will be ON.
* There must be an interval of at least 50 ms between this message and the next.
●Universal Realtime System Exclusive Messages
❍Master volume
Status
Data byte
F0H
7FH, 7FH, 04H, 01H, llH, mmH
Byte
Explanation
F0H
Exclusive status
7FH
ID number (universal realtime message)
7FH
Device ID (Broadcast)
04H
Sub ID#1 (Device Control messages)
01H
Sub ID#2 (Master Volume)
llH
Master volume lower byte
mmH
Master volume upper byte
F7H
EOX (End Of Exclusive)
* The lower byte (llH) of Master Volume will be handled as 00H.
❍Master Fine Tuning
Status
Data byte
F0H
7FH, 7FH, 04H, 03H, llH, mmH
Byte
Explanation
F0H
Exclusive status
7FH
ID number (universal realtime message)
7FH
Device ID (Broadcast)
04H
Sub ID#1 (Device Control)
03H
Sub ID#2 (Master Fine Tuning)
llH
Master Fine Tuning LSB
mmH
Master Fine Tuning MSB
F7H
EOX (End Of Exclusive)
mm, ll : 00 00H - 40 00H - 7F 7FH(-100 - 0 - +99.9 [cents])
❍Master Coarse Tuning
Status
Data byte
F0H
7FH, 7FH, 04H, 04H, llH, mmH
Byte
Explanation
F0H
Exclusive status
7FH
ID number (universal realtime message)
7FH
Device ID (Broadcast)
04H
Sub ID#1 (Device Control)
04H
Sub ID#2 (Master Coarse Tuning)
llH
Master Coarse Tuning LSB
mmH
Master Coarse Tuning MSB
F7H
EOX (End Of Exclusive)
llH :
ignored (processed as 00H)
mmH :
28H - 40H - 58H (-24 - 0 - +24 [semitones])
Status
F7H
Status
F7H
Status
F7H
Status
F7H
5
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