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Original Casio CTK-4400 / WK-240 / WK-245 Electronic Keyboard Owner's User's Operating Manual.

This is an original owner's / operation manual for the Casio CTK-4400, the WK-240, and the WK-245 keyboards. It is in very good, close to like new condition, and it has both English and Spanish sections. Operation, sounds, songs, auto accompaniment, specifications, connection of external devices, Midi, troubleshooting and more are covered in this original Casio booklet. 

This manual will be very useful for the user of any of these great Casio keyboards!

This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them.