This is a user's guide for CTK451/471-ES-1 P, which introduces the features and functions of CASIO electronic musical instruments, as well as important considerations when using them.
Congratulations upon your selection of this CASIO musical instrument. This keyboard provides you with features such as 1200 tones, 1200 rhythms, Auto Accompaniment, a 1200-tune Song Bank, Musical Information System, and MIDI compatibility.
The manual includes important safety precautions regarding the use of batteries, the AC adaptor, and general instrument handling to prevent injury or damage. It also details guidelines laid down by FCC rules for use in the U.S.A.
You should replace batteries or switch power sources if you notice a dim power supply indicator, an instrument that does not turn on, or distorted sound output.
You must turn the power off, unplug the AC adaptor from the wall outlet, and remove any loaded batteries.
You must not place containers filled with water or other liquids, small metal objects like coins, or flammable objects on the keyboard.