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16.3
Field Formats
16.3.1
SX : System Exclusive Message Status
Format: 11110000B (F0H)
This is the System Exclusive Message status byte established by the MIDI standard.
16.3.2
MAN : Manufacturer's ID
Format: 01000100B (CASIO = 44H)
Indicates this Instrument's manufacturer ID.
16.3.3
MOD : Model ID
Format: MSB
00010101B (15H)
LSB
00000010B (02H)
These two successive bytes (MSB, LSB) indicate the PX-130, 330, 730, 830, and AP-220, 420, 620 model ID.
16.3.4
dev : MIDI DeviceID 00H - 7FH
Format: 0dddddddB
The contents of this field in a received message are compared with the Model's MIDI Device ID, and receipt of the incoming
message is allowed only when the two IDs match. The default value for this field is 10H. When a message containing
7FH is received, receipt of the message is always allowed, regardless of the Instrument's ID setting.
MIDI Device ID is a Patch Parameter, and it can be changed with a System Exclusive Message. In this case, the Device
ID of the MIDI System Exclusive Message must be set to 7FH before it is sent.
16.3.5
act : Action
Format: 0aaaaaaaB
This field indicates the operation of the Instrument-specific System Exclusive Message.
aaaaaaaB Action
00H IPR
01H IPS
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.
Function
Individual Parameter Request
Individual Parameter Send
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