Mode Message; All Sound Off (78H); Reset All Controllers (79H); All Notes Off (7Bh) - Casio CTK-4200 Midi Implementation Manual

Send Sent when an RPN message send operation is performed.
Receive Receipt de-selects RPN.
10

Mode Message

10.1 All Sound Off (78H)
Message Format:
n:
Send Sent when the local control is set to OFF on the Instrument.
Receive Receipt stops all voices that are sounding.
10.2

Reset All Controllers (79H)

Message Format:
n:
Send Sent when MIDI send related settings are changed.
Receive Receipt initializes each performance controller.
10.3 All Notes Off (7BH)
Message Format:
n:
Send Sent when MIDI send related settings are changed, or when auto play is stopped, etc.
Receive Receipt releases (key release) all voices that are sounding.
10.4 Omni Off (7CH)
Message Format:
n:
Send This message is not sent by this Instrument.
Receive Receipt performs the same operation as when All Notes Off is received.
10.5

Omni On (7DH)

Message Format:
n:
BnH 78H 00H
MIDI Channel Number
BnH 79H 00H
MIDI Channel Number
BnH 7BH 00H
MIDI Channel Number
BnH 7CH 00H
MIDI Channel Number
BnH 7DH 00H
MIDI Channel Number
14