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Casio lk-s450 - Midi messages to light keys without changing settings to light keys according to listening on some specific channels


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Hello I have Casio lk-s450, I want to programmatically light up keys but using the way (some proprietary protocol) that uses Chordana Play and Casio Music Space applications (so not using the way by changing settings on keyboard device to listen to some specific channels and light the keys on NoteOn/NoteOff messages). What midi messages should I send to the device to light up/down the keys (using that proprietary protocol)? Is there some developer manual to that keyboard device?

Thank you

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