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System Exclusive Messages
"Identity Reply" and "Data Set 1 (DT1)" are the only system Exclusive messages transmitted by VK-77.
When an appropriate "Identity Request Message" and "Data Request 1 (RQ1)" message are received,
the requested internal data will be transmitted.
Identity Reply
Status
Data byte
F0H
7EH, dev, 06H, 02H, 41H, 1AH, 01H, 00H,
00H, 00H, 01H, 00H, 00H
Byte
Explanation
F0H
Exclusive Status
7EH
ID number (Universal Non-realtime message)
dev
Device ID (use the same as the device ID of Roland)
06H
Sub ID#1 (General Information)
02H
Sub ID#2 (Identity Reply)
41H
ID number (Roland)
1AH
Device family code (LSB)
01H
Device family code (MSB)
00H
Device family number code (LSB)
00H
Device family number code (MSB)
00H
Software revision level
01H
Software revision level
00H
Software revision level
00H
Software revision level
F7H
EOX (End Of Exclusive)
*
Reply the message by the unique device ID (dev) when the device has received the "Identity
Request Message" in the Broadcast.
Data Set 1 DT1
Status
Data byte
F0H
41H, dev, 00H, 1AH, 12H, aaH, bbH,
ccH, ddH, eeH... ffH, sum
Byte
Explanation
F0H
Exclusive Status
41H
ID number (Roland)
dev
device ID (dev: 10H–1FH, Initial value is "10H")
00H
model ID
1AH
model ID (VK-77)
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)
*
The amount of data that 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
Section 3. (p. 104)
*
Large amounts of the must be divided into packets of 128 bytes or less, and transmitted at intervals
of approximately 40 ms.
*
For the address, size, and checksum, refer to "Examples of system exclusive messages and calcu-
lating the checksum." (p. 108)
104
3. Parameter Address Map
<MODEL ID = 00 1AH>
+————————————————————————————————————————————————————————————————+
| Start
|
|—————————————+——————————————————————————————————————————————————|
Status
| 00 00 00 00 | System SYSTEM BASIC/SYSTEM MIDI
F7H
|—————————————+——————————————————————————————————————————————————|
| 01 00 00 00 | Temporary Registration
|—————————————+——————————————————————————————————————————————————|
| 10 00 00 00 | Registration A11
| 10 01 00 00 | Registration A12
|
| 10 3F 00 00 | Registration A88
| 10 40 00 00 | Registration B11
|
| 10 7F 00 00 | Registration B88
|—————————————+——————————————————————————————————————————————————|
| 20 00 00 00 | Orchestral Voice 1
| 20 01 00 00 | Orchestral Voice 2
|
| 20 3F 00 00 | Orchestral Voice 64
+—————————————————————————————————————————-——————————————————————+
(1) SYSTEM BASIC/SYSTEM MIDI
+——————————————————————————-—————————————————————————————————————+
| Offset
|
|—————————————+——————————————————————————————————————————————————|
|
Status
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F7H
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|—————————————+——————————————————————————----————————————————————|
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address |
Description
:
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:
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address |
Description
00 | 0aaa aaaa | Master Tune
|
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01 | 0aaa aaaa | Key Transpose
|
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02 | 0000 000a | Note Remain
|
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03 | 0000 000a | Hold Polarity
|
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04 | 0000 000a | Control Pedal 1 Polarity
|
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05 | 0000 aaaa | Control Pedal 1 Assign
06 | 0000 000a | Control Pedal 2 Polarity
|
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07 | 0000 aaaa | Control Pedal 2 Assign
08 | 0000 aaaa | PK Foot Switch-L Assign
09 | 0000 aaaa | PK Foot Switch-R Assign
0A | 0000 000a | Tone Cabinet Effects
0B | 0000 000a | Power Up Registration Mode
|
|
0C | 0aaa aaaa | Power Up Registration Number
|
|
0D | 0aaa aaaa | Master Reverb Level
0E | 0000 00aa | MIDI Thru
0F | 0000 000a | Tx Organ Orch MIDI
|
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10 | 0000 000a | Rx Organ Orch MIDI
|
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11 | 0000 aaaa | Organ Control MIDI Channel
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12 | 0000 aaaa | Organ MIDI Channel Upper
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13 | 0000 aaaa | Organ MIDI Channel Lower
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14 | 0000 aaaa | Organ MIDI Channel Pedal
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15 | 0000 aaaa | Orch MIDI Channel Upper
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16 | 0000 aaaa | Orch MIDI Channel Lower
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17 | 0000 aaaa | Orch MIDI Channel Pedal
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18 | 0000 aaaa | Ext MIDI Channel Upper
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19 | 0000 aaaa | Ext MIDI Channel Lower
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(1)
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(3)
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(3)
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(3)
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(3)
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(3)
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(3)
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(2)
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(2)
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(2)
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0–126 |
(427.4–452.6) |
58–69 |
(-6–+5: 0 -> 64) |
0–1 |
(REMAIN, RETRIGGER) |
0–1 |
(STANDARD, REVERSE) |
0–1 |
(STANDARD, REVERSE) |
0–12 *1 |
0–1 |
(STANDARD, REVERSE) |
0–12 *2 |
0–11 *3 |
0–11 *4 |
0–1 *5 |
0–1 |
(NUMBER, LAST) |
0–127 |
(A11–B88) |
0–127 |
0–2 *6 |
0–1 |
(OFF, ON) |
0–1 |
(OFF, ON) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
0–15 |
(1–16) |
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