Roland TD-50 - Program Change

MIDI Implementation
6
7Program Change
Status 2nd byte
CnH ppH
n = MIDI channel number: 0H–FH (ch.1–ch.16)
pp = Program number: 00H–7FH (prog.1–prog.128)
* Not transmitted when [SETUP]–[MIDI]–[BASIC] Program Change TX is set to “OFF.”
* When a drum kit is selected, the corresponding program number ([SETUP]–[MIDI]–
[PROG]) is transmitted.
9 System Realtime Messages
7Timing Clock
Status
F8H
* Not transmitted when [SETUP]–[MIDI]–[SYNC] Sync Out is set to “OFF.”
7Active Sensing
Status
FEH
* This message is transmitted at intervals of approximately 250 msec.
9 System Exclusive Message
Identity Reply and Data Set (DT1) are the only System Exclusive messages transmitted
by this device.
7Universal Non-realtime System Exclusive Message
6 Identity Reply
Status Data byte Status
F0H 7EH, dev, 06H, 02H, 41H, 24H, F7H
03H, 00H, 00H, 00H, 01H, 00H, 00H
Byte Explanation
F0H Exclusive status
7EH ID number (Universal Non-realtime Message)
dev Device ID (10H–1FH (17–32), 7FH)
Initial value is 10H (17)
06H Sub ID#1 (General Information)
02H Sub ID#2 (Identity Reply)
41H ID number (Roland)
24H 03H Device family code
00H 00H Device family number code
00H 01H 00H 00H Software revision level
F7H EOX (End of Exclusive)
* When Identity Request (p. 3) is received, Identity Reply message will be
transmitted.
* The [SETUP]–[MIDI]–[GLOBAL] Device ID setting is used as the Device ID.
6 Data Set 1 (DT1)
Status Data byte Status
F0H 41H, dev, 00H, 00H, 00H, 24H, 12H, F7H
aaH, bbH, ccH, ddH, eeH, ... H, sum
Byte Explanation
F0H Exclusive status
41H ID number (Roland)
dev Device ID (dev: 10H–1FH, 7FH)
00H Model ID#1 (TD-50)
00H Model ID#2 (TD-50)
00H Model ID#3 (TD-50)
24H Model ID#4 (TD-50)
12H Command ID (DT1)
aaH Address MSB
bbH Address
ccH Address
ddH Address LSB
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 specied starting address and size.
Refer to the address and size given in “3. Parameter Address Map” (p. 7).
* 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.