6
recomended that you set RPN Null (RPN Number = 7FH/7FH) when you have
finished setting the value of the desired parameter.
*
For more about the NRPN that JD-Xi transmit, refer to Control Change
7
Program Change
Status
2nd byte
CnH ppH
n = MIDI channel number:
0H - FH (ch.1 - 16)
pp = Program number:
00H - 7FH (prog.1 - prog.128)
*
These messages are transmitted when Program, Tone or Drum Kit is
selected. But not transmitted when Transmit Program Change parameter
(SysEx) is OFF.
7
Pitch Bend Change
Status
2nd byte 3rd byte
EnH llH mmH
n = MIDI channel number:
0H - FH (ch.1 - 16)
mm, ll = Pitch Bend value:
00 00H - 40 00H - 7F 7FH (-8192
- 0 - +8191)
9
System Realtime Messages
7
Active Sensing
Status
FEH
*
This message is transmitted at intervals of approximately 250 msec.
9
System Exclusive Messages
Universal Non-realtime System Exclusive Message and Data Set 1 (DT1)
are the only System Exclusive messages transmitted by the JD-Xi
7
Universal Non-realtime System Exclusive
Message
6
Identity Reply Message (JD-Xi)
Receiving Identity Request Message (p. 4), the JD-Xi send this
message.
Status
Data byte
Status
F0H
7EH, dev, 06H, 02H, 41H, 0EH, 03H,
F7H
00H, 00H, 00H, 03H, 00H, 00H
Byte
Explanation
F0H
Exclusive status
7EH
ID number (Universal Non-realtime Message)
dev
Device ID (dev: 10H - 1FH)
06H
Sub ID#1 (General Information)
02H
Sub ID#2 (Identity Reply)
41H
ID number (Roland)
0EH 03H
Device family code
00H 00H
Device family number code
00H 03H 00H 00H
Software revision level
F7H
EOX (End of Exclusive)
7
Data Transmission
6
Data set 1 (DT1)
Status
Data byte
Status
F0H
41H, dev, 00H, 00H, 00H, 0EH, 12H, aaH, bbH,
F7H
ccH, ddH, eeH, ... ffH, sum
Byte
Explanation
F0H
Exclusive status
41H
ID number (Roland)
dev
Device ID (dev: 00H - 1FH, 7FH)
00H
Model ID #1 (JD-Xi)
00H
Model ID #2 (JD-Xi)
00H
Model ID #3 (JD-Xi)
0EH
Model ID #4 (JD-Xi)
12H
Command ID (DT1)
aaH
Address MSB:
upper byte of the starting address of
the data to be sent
bbH
Address:
upper middle byte of the starting
address of the data to be sent
ccH
Address:
lower middle byte of the starting
address of the data to be sent
ddH
Address LSB:
lower byte of the starting address of
the data to be sent.
eeH
Data:
the actual data to be sent. Multiple
bytes of data are transmitted in order
starting from 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
*
Data larger than 256 bytes will be divided into packets of 256
bytes or less, and each packet will be sent at an interval of about
20 ms.
3. Data Reception (Sequencer
Section)
3.1 Messages recorded during
recording
9
Channel Voice Messages
7
Note off
Status
2nd byte 3rd byte
8nH kkH vvH
9nH kkH 00H
n = MIDI channel number:
0H - FH (ch.1 - 16)
kk = note number:
00H - 7FH (0 - 127)
vv = note off velocity:
00H - 7FH (0 - 127)
7
Note on
Status
2nd byte 3rd byte
9nH kkH vvH
n = MIDI channel number:
0H - FH (ch.1 - 16)
kk = note number:
00H - 7FH (0 - 127)
vv = note on velocity:
01H - 7FH (1 - 127)
