Casio LK-270 MIDI Implementation - Page 20

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. 18 System Exclusive Message Format Message Format: F0H....F7H The Instrument sends and receives standard universal system exclusive messages, and system exclusive messages that have Instrument-specific formats. 18.1 Universal Realtime System Exclusive Message Format Message Format: F0H 7FH....F7H 18.1.1 Master Volume Format Message Format: F0H 7FH 7FH 04H 01H llH mmH F7H ll: LSB Value mm: MSB Value 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. 18.1.2 Master Fine Tuning Format Message Format: F0H 7FH 7FH 04H 03H llH mmH F7H mm: MSB Value(Note1) Note 1: For information about the relationship between setting values and send/receive values, see "33.4 -100 - 0 - +99 Setting Value Table" in "Part VII Setting Values and Send/Receive Values" of this document. Send This message is sent when the tuning setting is changed. Receive Receipt changes the tuning setting. 20