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MIDI Implementation
● Data Transmission
This instrument can use exclusive messages to exchange many varieties of internal settings
with other devices.
The model ID of the exclusive messages used by this instrument is 6AH.
❍Data Request 1 RQ1
This message requests the other device to transmit data. The address and size indicate the
type and amount of data that is requested.
When a Data Request message is received, if the device is in a state in which it is able to
transmit data, and if the address and size are appropriate, the requested data is transmitted
as a Data Set 1 (DT1) message. If the conditions are not met, nothing is transmitted.
status
data byte status
F0H 41H, dev, 6AH, 11H, aaH, bbH, F7H
ccH, ddH, ssH, ttH, uuH, vvH, sum
Byte
Remarks
F0H Exclusive status
41H ID number (Roland)
dev device ID (dev: 10H)
6AH model ID (JV-1010)
11H command ID (RQ1)
aaH address MSB
bbH address
ccH address
ddH address LSB
ssH size MSB
ttH size
uuH size
vvH size LSB
sum checksum
F7H EOX (End Of Exclusive)
* The size of data that can be transmitted at one time is fixed for each type of data. and
data requests must be made with a fixed starting address and size. Refer to the address
and size given in “Parameter Address Map” (p. 74).
* For the checksum, refer to (p. 86).
* This message is not received in GM mode.
❍Data Set 1 DT1
This message transmits the actual data, and is used when you wish to set the data of the
receiving device.
status data byte status
F0H 41H, dev, 6AH, 12H, aaH, bbH, F7H
ccH, ddH, eeH, ... ffH, sum
Byte
Remarks
F0H Exclusive status
41H ID number (Roland)
dev device ID (dev: 10H)
6AH model ID (JV-1010)
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 order of the address.
::
ffH data
sum checksum
F7H EOX (End Of Exclusive)
* The amount of data that is transmitted at one time is fixed for the type of data, and only
data of the fixed starting address and size will be transmitted. Refer to the address and
size given in “Parameter Address Map” (p. 74).
* Data whose size is greater than 128 bytes should be divided into packets of 128 bytes or
less and transmitted. Successive “Data Set 1” messages should have at least 20 ms of
time interval between them.
* For the checksum, refer to (p. 86).
* This message is not received in GM mode.
This device is able to receive GS Exclusive messages only for Scale Tune settings.
❍Data Set 1 DT1
This message transmits the actual data, and is used when you wish to set the data of the
receiving device.
status data byte status
F0H 41H, dev, 42H, 12H, aaH, bbH, F7H
ccH, ddH, ... eeH, sum
Byte
Remarks
F0H Exclusive status
41H ID number (Roland)
dev device ID (dev: 10H)
42H model ID (GS)
12H command ID (DT1)
aaH address MSB
bbH address middle byte
ccH address LSB
ddH data: The actual data to be transmitted. Multi-byte
data is transmitted in the address order.
::
eeH data
sum checksum
F7H EOX (End Of Exclusive)
* This message is not received in GM mode.
2. Data Transmission
■ Channel Voice Messages
* The following control changes and program changes are transmitted to an external MIDI
device when a GM Data Transfer command is executed.
● Control Change
❍Data Entry (Controller number 6, 38)
status 2nd byte 3rd byte
BnH 06H mmH
BnH 26H llH
n=MIDI channel number: 0H - FH (ch.1 - ch.16)
mm,ll=the value of the parameter specified by RPN/NRPN
mm=MSB, ll=LSB
❍Volume (Controller number 7)
status 2nd byte 3rd byte
BnH 07H vvH
n=MIDI channel number: 0H - FH (ch.1 - ch.16)
vv=Volume: 00H - 7FH (0 - 127)
❍Panpot (Controller number 10)
status 2nd byte 3rd byte
BnH 0AH vvH
n=MIDI channel number: 0H - FH (ch.1 - ch.16)
vv=panpot: 00H - 40H - 7FH (left - center - right)
❍Effect 1 (Reverb Send Level) (Controller number 91)
status 2nd byte 3rd byte
BnH 5BH vvH
n=MIDI channel number: 0H - FH (ch.1 - ch.16)
vv=Reverb Send Level: 00H - 7FH (0 - 127)
❍Effect 3 (Chorus Send Level) (Controller number 93)
status 2nd byte 3rd byte
BnH 5DH vvH
n=MIDI channel: 0H - FH (ch.1 - ch.16)
vv=Chorus Send Level: 00H - 7FH (0 - 127)