16.3Field Formats

16.3.1SX : System Exclusive Message Status

Format: 11110000B (F0H)

This is the System Exclusive Message status byte established by the MIDI standard.

16.3.2MAN : Manufacturer’s ID

Format: 01000100B (CASIO = 44H)

Indicates this Instrument’s manufacturer ID.

16.3.3MOD : Model ID

Format:

MSB

00010101B (15H)

 

LSB

00000010B (02H)

These two successive bytes (MSB, LSB) indicate the PX-130, 330, 3, 730, 7, 830, and AP-220, 420, 620, 6 model ID.

16.3.4dev : 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.

16.3.5act : Action

Format: 0aaaaaaaB

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

aaaaaaaB

Action

Function

 

 

 

00H

IPR

Individual Parameter Request

01H

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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