Casio CTK-591 Manuals

The document is a user's guide for CTK591/593-ES-1 ES, providing information on FCC rules and notices for using the unit in the U.S.A. The equipment has been tested and complies with the FCC rules for Class B digital devices, offering reasonable protection against harmful interference in residential installations. If the equipment causes harmful interference to radio or television reception, the user is encouraged to try reorienting the antenna, increasing the separation between the equipment and receiver, connecting the equipment to a different circuit, or consulting a dealer or experienced radio/TV technician for help. Unauthorized changes or modifications to the equipment may void the user's authority to operate it.

This document introduces the safety precautions for using Casio electronic pianos, including the use of alkaline batteries, smoking, odor, overheating, the use of AC power transformers, the use of batteries, not burning the product, water and foreign objects, disassembly and remodeling, falling or hitting, etc.