Hello. I have noticed with my Yamaha PSR-340 that whenever I have a floopy disk in the drive, my MIDI In/Out features are disabled. When I leave the floppy disk out when I turn the keyboard on, I have full MIDI support. It's not really a question, but if this advice helps anyone that's good. I don't know if it's supposed to do this, but it just works that way.
ALT
bonjours
Sa ne fonctionne pas après connection avec l'ordinateur.
Comment faire pour que sa marche?
I can't answer to this, but I can translate it for who could answer:
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Hello,
it doesn't work when connected to the computer.
How to make it work?
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Otherwise, trying midi-in/midi-out plugs can help (essayer de brancher le cable dans les prises midi-in et midi-out peut aider, meme si a priori cela ne devrait pas fonctionner. Quelquefois le "out" sert de "in" et réciproquement. Bonne chance!)