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19.3.4 dev : MIDI Device ID 00H - 7FH
Format: 0dddddddB
The contents of this field in a received message are compared with the Mo del’s MIDI Device ID, and
receipt of the incoming message is allowed only when the two IDs match. When a message containing
7FH is received, receipt of the message is always allowed, regardless of the Instrument’s ID setting. Note,
however, that the Instrument does not have a specific Device ID, so use only 7FH for send and receive.
19.3.5 act : Action
Format: 0aaaaaaaB
This field indicates the operation of the Instrument-specific System Exclusive Message.
aaaaaaaB Action Function
00H NOP No Operation
01H IPR Individual Parameter Request
02H IPS Individual Parameter Send
03H OBR One-way Bulk Parameter Set Request
04H OBS One-way Bulk Parameter Set Send
05H HBR Handshake Bulk Parameter Set Request
06H HBS Handshake Bulk Parameter Set Send
0AH ACK Acknowledge
0BH BSY Busy
0CH RJC Reject
0DH EOD End of Data
0EH EOS End of Session
0FH ERR Error
NOP:No Operation No operation is performed when this action is received.
IPR:Individual Parameter Request Indicates an individual parameter value send request message.
When the Instrument receives this action, it uses an IPS message to return the specified parameter value.
IPS:Individual Parameter Send Indicates an individual parameter value send message. When
the Instrument receives this action, it rewrites the value specified by the data field with the specified
parameter value.
OBR:One-way Bulk Parameter Set Request Indicates a send request message using parameter
set image one-way mode. When the Instrument receives this action, it uses an OBS message to return
the specified parameter set.
OBS:One-way Bulk Parameter Set Bulk Send Indicates a parameter set image send message
using one-way mode. The parameter set to be transferred is divided into multiple packets when it is
greater than a prescribed size. At this time, packets are transferred at intervals of the prescribed time
(20 msec) or greater.
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