Casio CTK-4200 - Playing the Digital Keyboard; Basic Operation and Audio Connections

9.10 Reverb Send (5BH)
Message Format: BnH 5BH vvH
n: MIDI Channel Number
vv: Value
Send Sent when auto accompaniment is used.
Receive Receipt changes the reverb send of the corresponding part.
9.11 Chorus Send (5DH)
Message Format: BnH 5DH vvH
n: MIDI Channel Number
vv: Value
Send Sent when auto accompaniment is used and when a Chorus on/off operation is performed.
Receive Receipt changes the chorus send of the corresponding part.
9.12 NRPN (62H,63H)
Message Format: BnH 62H llH (LSB)
BnH 63H mmH (MSB)
n: MIDI Channel Number
ll: LSB Value
mm: MSB Value
Send This message is not sent by this Instrument.
Receive This Instrument does not have a corresponding NRPN message.
9.13 RPN (64H,65H)
Message Format: BnH 64H llH (LSB)
BnH 65H mmH (MSB)
n: MIDI Channel Number
ll: LSB Value
mm: MSB Value
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