11
MIDI Implementation
Model: PK-7 (MIDI Pedal Keyboard)
Date: Oct.21,1998
Version: 1.00
1. Recognized Receive Data
■
System Realtime Messages
Status
FEH
* By receiving an Active Sensing message, this unit enters the mode timing the interval
between incoming MIDI messages. If the interval exceeds 500 ms, this unit transmits
Note Off messages corresponding to the transmitted notes being On, and returns from
this mode.
2. Transmitted Data
■
Channel Voice Messages
●
Note off
Status
2nd byte 3rd byte
8nH kkH 40H
n = MIDI channel : 0H - FH (ch.1 - 16)
kk = note number :24H - 37H (36 - 55)
●
Note on
Status
2nd byte 3rd byte
9nH kkH 78H
n = MIDI channel : 0H - FH (ch.1 - 16)
kk = note number :24H - 37H (36 - 55)
●
Control Change
❍
Expression (Controller number 11)
Status
2nd byte 3rd byte
BnH 0BH vvH
n = MIDI channel : 0H - FH (ch.1 - 16)
vv = expression :00H - 7FH (0 - 127)
* If the EXPRESSION OUT jack on the rear panel is in use, this unit doesn't send
Expression message via MIDI.
❍
General Purpose Controller 3 (Controller number 18)
Status
2nd byte 3rd byte
BnH 12H vvH
n = MIDI channel : 0H - FH (ch.1 - 16)
vv = control value :00H, 7FH (0, 127)
* This message will be sent by operating a foot switch locating left side of the expression
pedal.
* If a FOOT SW-L OUT jack on the rear panel is in use, the unit doesn't send this message
via MIDI.
❍
General Purpose Controller 4 (Controller number 19)
Status
2nd byte 3rd byte
BnH 13H vvH
n = MIDI channel : 0H - FH (ch.1 - 16)
vv = control value :00H, 7FH (0, 127)
* This message will be sent by operating a foot switch locating right side of the expression
pedal.
* If a FOOT SW-R OUT jack on the rear panel is in use, the unit doesn't send this message
via MIDI.
❍
Hold 1 (Controller number 64)
Status
2nd byte 3rd byte
BnH 40H vvH
n = MIDI channel : 0H - FH (ch.1 - 16)
vv = control value :00H, 7FH (0, 127)
* If a HOLD OUT jack on the rear panel is in use, the unit doesn't send Hold 1 message via
MIDI.
■
System Realtime Message
●
Active sensing
Status
FEH
* This will be transmitted constantly at intervals of approximately 250 ms.
■
System Exclusive Messages
“Data Set 1 (DT1)” to control VK-8/7 is the only System Exclusive messages transmitted by
PK-7.
●
Data Set1 DT1
Status
Data byte Status
F0H 41H, 10H, 00H, 08H, 12H, aaH, F7H
bbH, ccH, ddH, eeH, sum
Byte Remarks
F0H Exclusive status
41H ID number (Roland)
10H device ID
00H model ID
08H model ID (VK-7)
12H command ID (DT1)
aaH address MSB: The most significant byte of the address
bbH address
ccH address
ddH address LSB: The least significant byte of the address
eeH data: The actual data to be transmitted.
sum checksum
F7H EOX (End Of Exclusive)
* This unit sends the following messages to control ROTARY SOUND of the VK-8/7.
F0 41 10 00 08 12 02 00 10 3D ... F7
(Rotary Speed: Transmit by FOOT SW-L)
F0 41 10 00 08 12 02 00 10 3E ... F7
(Rotary Rotation: Transmit by FOOT SW-R)
PK-7_e3 11 ページ ２００３年１２月１日 月曜日 午後４時１分
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