System Message; Active Sensing; System Exclusive Message; Universal Realtime System Exclusive Message - Casio CTK-691 Midi Implementation Manual

Part III

System Message

15

Active Sensing

Format
Message Format: FEH
Send
This message is never sent.
Receive
When this message is received once, the Active Sensing mode is entered. If no MIDI Message is received for a
particular amount of time, voices being sounded by this Model's sound source are released, controller is reset, and
Active Sensing mode is exited.
16

System Exclusive Message

Format
Message Format: F0H....F7H
This Model can send and receive Universal System Exclusive Messages, as well as System Exclusive Messages that
have a format that is unique to this Model.
16.1

Universal Realtime System Exclusive Message

Format
Message Format: F0H
16.1.1

Master Volume

Format
Message Format: F0H 7FH 7FH 04H 01H llH mmH F7H
ll: Value LSB (Note 1)
mm: Value MSB (Note 1)
Note 1:
The setting value matches the value that is sent and received.
Send
This message is never sent.
Receive
Receipt changes the Master Volume parameter. Note that the Master Volume parameter cannot be changed with an
operation of this Model.
7FH....F7H
25