Casio CTK-3000 User Manual download pdf (Page 13)

9.13 All Sound Off (78H)

Format

Send

Sent when Local is set to OFF on the Instrument.

Receive

Receipt stops all voices that are sounding.

9.14 Reset All Controllers (79H)

Format

Send

Sent when MIDI send related settings are changed on the Instrument.

Receive

Receipt initializes each performance controller.

10 Mode Message

10.1 All Notes Off (7BH)

Format

Send

Sent when MIDI send related settings are changed on the Instrument, or when auto play is stopped, etc.

Receive

Receipt of any of this message releases the currently sounding voice (same as releasing the keyboard key).

10.2 Omni Off (7CH)

Format

Send

This message is never sent.

Receive

Receipt of this message performs the same operation as when All Notes Off is received.

Message Format: BnH 78H 00H

n: MIDI Channel Number

Message Format: BnH 79H 00H

n: MIDI Channel Number

Message Format: BnH 7BH 00H

n: MIDI Channel Number

Message Format: BnH 7CH 00H

n: MIDI Channel Number

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Casio CTK-3000 User Manual Page 13