6
recomended that you set RPN Null (RPN Number = 7FH/7FH) when you have 
nished setting the value of the desired parameter.
 
*
For more about the NRPN that JD-Xi transmit, refer to Control Change 
Message List (p. 14).
 
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, ... H, 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.
 :   :
H  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 specied 
starting address and size. Refer to the address and size given in 
Parameter Address Map (p. 8).
 
*
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 o
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 o 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)