Casio PX-330 - Manual (Page 20)

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10.4 Mono (7EH)
Format
Send
This message is never sent.
Receive
Receipt of this message stops the currently sounding voice.
10.5 Poly (7FH)
Format
Send
This message is never sent.
Receive
Receipt of this message stops the currently sounding voice.
11 Program Change
Format
Send
Sent when a tone is selected.
For information about numbers, see the Tone List in the User’s Guide.
Receive
Receipt changes the tone.
The selected tone is determined by the program value of this message and the Bank Select message value received prior
to this message.
For information about the program number of the actually selected tone, see the Tone List in the User’s Guide.
Also note that receipt of this message may also change the Timbre Type parameter at the same time. For more information,
see “11.1 About Timbre Type” below.
Message Format: BnH 7EH 00H
n: MIDI Channel Number
Message Format: BnH 7FH 00H
n: MIDI Channel Number
Message Format: CnH ppH
n: MIDI Channel Number
pp: Program Number