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Size given in “parameter address map” (p. 74), 74 midi implementation, Parameter address map (model id = 00 4dh) – Roland VK-8 User Manual

Page 74: System realtime message, System exclusive messages, Program change, Active sensing, Identity reply, Data set1 dt1

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74

MIDI Implementation

Program Change

Status

2nd byte

CnH

ppH

n = MIDI channel number :

0H - FH (ch.1 - ch.16)

pp = program number :

00H - 3FH (prog.1 - prog.64) (Preset)
00H - 07H (prog.1 - prog.8) (Other Tones)

*

Not received when MIDI PROGRAM CHANGE SWITCH is OFF (p. 53) (factory setting:
ON).

System Realtime Message

Active sensing

Status
FEH
*

This will be transmitted constantly at intervals of approximately 250 ms.

System Exclusive Messages

“Identity Reply” and “Data Set 1 (DT1)” are the only System Exclusive messages
transmitted by VK-8.
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, 4DH, 01H, 00H, 00H, 00H, 01H, 00H, 02H

Status
F7H

Byte

Explanation

FOH

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)

4DH

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 Set1 DT1

Status

data byte

F0H

41H, dev, 00H, 4DH, 12H, aaH, bbH, ccH, ddH, eeH... eeH, 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 address order.

:

:

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).

*

Large amounts of data must be divided into packets of 128 bytes or less, and transmitted
at intervals of approximately 40 ms.

*

Regarding the checksum, please refer to page 76.

3. Parameter address map (MODEL ID = 00

4DH)

Transmission of “#” marked address is divided to some packets. For example, ABH in
hexadecimal notation will be divied to 0AH and 0BH, and is sent/received in this order.

+—————————————————————————————————————————————————————————————————+
| Start | |
| Address | Description |
|—————————————+———————————————————————————————————————————————————|
| 00 00 00 00 | System |
|—————————————+———————————————————————————————————————————————————|
| 10 00 00 00 | Temporary Preset |
| : | |
|—————————————+———————————————————————————————————————————————————|
| 20 00 00 00 | User Preset (01) |
| 20 01 00 00 | User Preset (02) |
| : | |
| 20 3F 00 00 | User Preset (64) |
+—————————————————————————————————————————————————————————————————+

• System

+—————————————————————————————————————————————————————————————————+
| Offset | |
| Address | Description |
|—————————————+———————————————————————————————————————————————————|
| 00 00 00 | System Common |
| 00 01 00 | System MIDI |
| 00 02 00 | System Organ |
| 00 03 00 | System FX |
+—————————————————————————————————————————————————————————————————+

• Preset

+—————————————————————————————————————————————————————————————————+
| Offset | |
| Address | Description |
|—————————————+———————————————————————————————————————————————————|
| 00 00 00 | Preset Common |
| 00 10 00 | Preset Organ |
| 00 20 00 | Preset FX |
+—————————————————————————————————————————————————————————————————+

• System Common

+—————————————————————————————————————————————————————————————————+
| Offset | |
| Address | Description |
|—————————————+———————————————————————————————————————————————————|
|# 00 00 | 0000 aaaa | |
| | 0000 bbbb | |
| | 0000 cccc | |
| | 0000 dddd | Master Tune (24 — 2024) |
| | | —100.0 — 100.0 [cent] |
| 00 04 | 0000 aaaa | Key Transpose (58 — 69) |
| | | —6 — +5 |
| 00 05 | 0000 aaaa | Foot Control Assign (0 — 10) |
| | | ROTARY SLOW/FAST, ROTARY SPEED, |
| | | ROTARY BRAKE ON/OFF, OTHER TONES |
| | | GLIDE, PRESET UP, OVERDRIVE, |
| | | OTHER TONES EXPRESSION, D BEAM SYNC, |
| | | CRESCENDO, RING MODULATION, |
| | | TONE WHEEL BRAKE, SPRING SHOCK |
| 00 06 | 0000 000a | Foot Control Polarity (0 — 1) |
| | | STANDARD, REVERSE |
| 00 07 | 0000 000a | Hold Pedal Polarity (0 — 1) |
| | | STANDARD, REVERSE |
|—————————————+———————————————————————————————————————————————————|
| 00 00 00 08 | Total Size |
+—————————————————————————————————————————————————————————————————+

• System MIDI

+—————————————————————————————————————————————————————————————————+
| Offset | |
| Address | Description |
|—————————————+———————————————————————————————————————————————————|
| 00 00 | 0000 aaaa | Control Channel (0 — 15) |
| | | 1 — 16 |
| 00 01 | 0000 aaaa | Upper Channel (0 — 15) |
| | | 1 — 16 |
| 00 02 | 0000 aaaa | Lower Channel (0 — 15) |
| | | 1 — 16 |
| 00 03 | 0000 aaaa | Pedal Channel (0 — 15) |
| | | 1 — 16 |
| 00 04 | 0000 aaaa | Other Tones Channel (0 — 15) |
| | | 1 — 16 |
| 00 05 | 0000 aaaa | Drums Channel (0 — 15) |
| | | 1 — 16 |
| 00 06 | 0000 aaaa | Spring Shock Channel (0 — 15) |
| | | 1 — 16 |
|—————————————+———————————————————————————————————————————————————|
| 00 07 | 0000 000a | Sound Controlers Switch (0 — 1) |
| | | OFF, ON |
| 00 08 | 0000 000a | General Controlers Switch (0 — 1) |
| | | OFF, ON |
| 00 09 | 0000 000a | Program Change Switch (0 — 1) |
| | | OFF, ON |
|—————————————+———————————————————————————————————————————————————|
| 00 00 00 0A | Total Size |
+—————————————————————————————————————————————————————————————————+