Casio PX-330 - Manual (Page 23)

23
Part III
System Messages
14 Active Sensing
Format
Send
This message is never sent.
Receive
Once this message is received, the Active Sensing mode is entered. If no MIDI message is received for a specified amount
of time, voices being sounded by the Instrument’s sound source are released, the controller is reset, and the Active Sensing
mode is exited.
15 System Exclusive Message
Format
The Instrument sends and receives standard universal system exclusive messages, and system exclusive messages that have
Instrument-specific formats.
15.1 Universal Realtime System Exclusive Message
Format
15.1.1 Master Volume
Format
Send
This message is never sent.
Receive
Receipt changes the Master Volume parameter. Note that the Master Volume parameter cannot be changed with an Instrument
operation.
Message Format: FEH
Message Format: F0H....F7H
Message Format: F0H 7FH....F7H
Message Format: F0H 7FH 7FH 04H 01H llH mmH F7H
ll: Value LSB
mm: Value MSB