Roland GW-7 - Page 5

5
Roland GW-7 MIDI Implementation
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
“GM1 System On” is a command message that resets the internal settings of the unit to the
General MIDI 1 initial state. After receiving this message, the GW-7 will automatically be set
to the proper condition for correctly playing a General MIDI 1 score.
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 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
“GM2 System On” is a command message that resets the internal settings of the unit to the
General MIDI 2 initial state. After receiving this message, the GW-7 will automatically be set
to the proper condition for correctly playing a General MIDI 2 score.
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 message is received, the GW-7 will be able to receive the messages specified
by General MIDI 2, and use the General MIDI 2 sound map.
* 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 the GW-7 from the
GM state to its native condition.
Status
Data byte Status
F0H 7EH, 7FH, 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, the GW-7 will reset to the GS default state.
* There must be an interval of at least 50 ms between this message and the next.
❍ GS Reset
“GS Reset” is a command message that resets the internal settings of the GW-7 to the GS
initial state. This message appears 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 play back GS
music data.
Status
Data byte Status
F0H 41H, dev, 42H, 12H, 40H, 00H, 7FH, 00H, 41H F7H
Byte Explanation
F0H Exclusive status
41H ID number (Roland)
dev 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 Non-realtime System Exclusive Message
❍ 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 will be transmitted.
● Universal Realtime System Exclusive Messages
❍ Master Volume
Status
Data byte Status
F0H 7FH, 7FH, 04H, 01H, llH, mmH F7H
Byte Explanation
F0H Exclusive status
7FH ID number (universal realtime message)
7FH Device ID (Broadcast)
04H Sub ID#1 (Device Control)
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 Status
F0H 7FH, 7FH, 04H, 03H, llH, mmH F7H
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 Status
F0H 7FH, 7FH, 04H, 04H, llH, mmH F7
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])