16.3Format of Each Field

16.3.1SX : System Exclusive Message Status

Format: 11110000B

System Exclusive message Status = F0H

16.3.2MAN : Manufacturer's ID

Format: 01000100B

Manufacturer's ID = 44H (CASIO)

16.3.3MOD : Model ID

Format:

00010101B (MSB)

00000001B (LSB)

The Model ID of the series to which the Instrument belongs is shown by two consecutive bytes (MSB, LSB). (PX-200/PX-320/PX-800/AP-500/PX-120/PX-720/AP-200 Model ID MSB = 15H, LSB = 01H)

16.3.4dev : MIDI Device ID 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.

16.3.5act : Action

Format: 0aaaaaaaB

aaaaaaaB = Action

This field indicates the operation of the Instrument-specific System Exclusive Message.

aaaaaaaB

Action

Function

 

 

 

01H

IPR

Individual Parameter Request

02H

IPS

Individual Parameter Send

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.

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