Casio PX-330 User Manual download pdf (Page 33)

17 Parameter Transfer

There are two parameter operations: Individual Parameter Transfer and Individual Parameter Request.

A single session is concluded only when this Instrument returns an IPS (Individual Parameter Send) in response to an

IPR (Individual Parameter Request) from an external device, or when an external device or this Instrument spontaneously

sends an IPS. If this Instrument received an IPS, the value of the applicable parameter is changed.

Depending on the function of a parameter, Individual Parameter Send may be used to issue a command to the Instrument

or Individual Parameter Request may be used to check Instrument status information.

17.1 Two-way Communication

17.1.1 Example : Data send in response to send request to the Instrument

17.2 One-way Communication

17.2.1 Example : Data send to Instrument from external source

17.2.2 Example : Data send resulting from Instrument operation

Data Receiver Data Sender Operation

IPR  Send Request

 IPS Data Transfer

Data Sender Data Receiver Operation

 IPS Data Transfer

Data Receiver Data Sender Operation

 IPS Data Transfer

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Casio PX-330 User Manual Page 33