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Data Request 1 RQ1
This message requests the other device to transmit data. The address and size indicate the
type and amount of data that is requested. When a Data Request message is received, if the
device is in a state in which it is able to transmit data, and if the address and size are
appropriate, the requested data is transmitted as a Data Set 1 (DT1) message. If the
conditions are not met, nothing is transmitted. The model ID of the exclusive messages used
by this instrument is 00 4DH.
Status
data byte
F0H
41H, dev, 00H, 4DH, 11H, aaH, bbH, ccH, ddH, ssH, ttH, uuH, vvH,
sum
Status
F7H
Byte
Remarks
F0H
Exclusive status
41H
ID number (Roland)
dev
device ID (dev: 10H fixed)
00H
model ID
4DH
model ID (VK-8)
11H
command ID (RQ1)
aaH
address MSB
bbH
address
ccH
address
ddH
address LSB
ssH
size MSB
ttH
size
uuH
size
vvH
size LSB
sum
checksum
F7H
EOX (End Of Exclusive)
* The amount of data can be transmitted at one time depends on the type of data, and data
will be transmitted from the specified starting address and size. Refer to the address and
size given in "Parameter Address Map" (p. 74).
* For the address, size, and checksum, refer to "Examples of system exclusive messages
and calculating the checksum" (p. 76).
* Regarding the checksum, please refer to page 76.
Data Set 1
DT1
This message transmits the actual data, and is used when you wish to set the data of the
receiving device.
Status
data byte
F0H
41H, dev, 00H, 4DH, 12H, aaH, bbH, ccH, ddH, eeH, ... ffH, sum
Status
F7H
Byte
Remarks
F0H
Exclusive status
41H
ID number (Roland)
dev
device ID (dev: 10H fixed)
00H
model ID
4DH
model ID (VK-8)
12H
command ID (DT1)
aaH
address MSB
bbH
address
ccH
address
ddH
address LSB
eeH
data : The actual data to be transmitted. Multi-byte data is transmitted
in the order of the address.
:
:
ffH
data
sum
checksum
F7H
EOX (End Of Exclusive)
* For the address, size, and checksum, refer to "Examples of System Exclusive Messages
and Calculating the Checksum" (p. 76).
* Data whose size is greater than 128 bytes should be divided into packets of 128 bytes or
less and transmitted. Successive "Data Set 1" messages should have at least 40 ms of
time interval between them.
* Regarding the checksum, please refer to page 76.
2. Transmitted Data
* Messages that affect the system or the entire organ part are transmitted on the channel
specified by CONTROL MIDI CH. (p. 54).
* Messages related to individual Organ parts are transmitted on the channels specified by
UPPER/LOWER/PEDAL ORGAN MIDI CH. (p. 54).
* Messages related to the Other Tones part are transmitted on the channel specified by
OTHER TONES MIDI CH. (p. 54).
Channel Voice Messages
Note off
Status
2nd byte
8nH
kkH
n = MIDI channel number:
kk = note number:
vv = note off velocity:
Note on
Status
2nd byte
9nH
kkH
n = MIDI channel number:
kk = note number:
vv = note on velocity:
Control Change
Volume (Controller number 7)
Status
2nd byte
BnH
07H
n = MIDI channel number :
vv = volume :
* Transmitted in accord with movement of the panel's [OTHER TONES LEVEL] knob on
the channel specified by OTHER TONES MIDI CH. (p. 54).
Expression (Controller number 11)
Status
2nd byte
BnH
0BH
n = MIDI channel number :
vv = expression :
* Transmitted when the expression pedal is operated, on the channel specified by
CONTROL MIDI CH. (p. 54) and OTHER TONES MIDI CH. (p. 54).
General Purpose Controller 1 (Controller number 16) (Other Tones
Glide)
Status
2nd byte
BnH
10H
n = MIDI channel number :
vv = control value :
* Not received when MIDI GENERAL CONTROLLERS SWITCH (p. 53) is OFF.
General Purpose Controller 2 (Controller number 17) (Wheel Brake)
Status
2nd byte
BnH
11H
n = MIDI channel number :
vv = control value :
* Not received when MIDI GENERAL CONTROLLERS SWITCH (p. 53) is OFF.
Hold 1 (Controller number 64)
Status
2nd byte
BnH
40H
n = MIDI channel number :
vv = control value :
General Purpose Controller 5 (Controller number 80) (Rotary Speed)
Status
2nd byte
BnH
50H
n = MIDI channel number:
vv = control value:
* Not received when MIDI GENERAL CONTROLLERS SWITCH (p. 53) is OFF.
General Purpose Controller 6 (Controller number 81) (Rotary Brake)
Status
2nd byte
BnH
51H
n = MIDI channel number:
vv = control value:
* Not received when MIDI GENERAL CONTROLLERS SWITCH (p. 53) is OFF.
MIDI Implementation
3rd byte
vvH
0H-FH (ch.1-ch.16)
1EH-65H (30-101) (Organ Part)
00H-7FH (0-127) (Other Tones Part)
40H (64) (Organ Part)
00H-7FH (0-127) (Other Tones Part)
3rd byte
vvH
0H-FH (ch.1-ch.16)
1EH-65H (30-101) (Organ Part)
00H-7FH (0-127) (Other Tones Part)
64H (100) (Organ Part)
01H-7FH (1-127) (Other Tones Part)
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127)
3rd byte
vvH
0H - FH (ch.1 - ch.16)
10H - 7FH (10 - 127) (Organ Part)
00H - 7FH (0 - 127) (Other Tones Part)
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127) 0-63 = OFF, 64-127 = ON
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127) 0-63 = OFF, 64-127 = ON
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127) 0-63 = OFF, 64-127 = ON
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127)
3rd byte
vvH
0H - FH (ch.1 - ch.16)
00H - 7FH (0 - 127) 0-63 = SPIN, 64-127 = BRAKE
73
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