Be sure to add me to your favorites list Original Casio MT-540 and CT-460 Casiotone Electronic Keyboard Owner's / User's / Operating Manual Book, made in Japan. This is an 80's vintage original owner's / operation manual for the full size Casio CT460 keyboard and the smaller half-key sized MT-540. It is in very good condition, with some minor wear on the covers, with the pages being in even better shape. It's 72 pages with both English and Spanish sections. This manual will be very useful for the MT-540 and CT-460 player and great for the Casio keyboard collector too! 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. Thanks for looking! Check out my Store!