Be sure to add me to your favorites list Casio Casiotone CT-770 Digital Piano Keyboards Owner's / User's / Operating Manual Booklet, Reproduction. This is scanned and then printed paper hard copy reproduction version of the owner's / user's / operation manual for the CASIO CT770 electronic keyboard. This is the English language section only, and it's very helpful with the operation, use and care of your Casio. This is one of Casio's excellent digital Casiotone (CT) keyboards, and you need the manual to get the most out of it! 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!