NOTICEThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of theFCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residentialinstallation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used inaccordance with the instructions, may cause harmful interference to radio communications. However, there is no guaranteethat interference will not occur in a particular installation. If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correctthe interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.FCC WARNINGChanges or modifications not expressly approved by the party responsible for compliance could void the userís authority tooperate the equipment.Declaration of ConformityModel Number: CTK-4000/CTK-5000Trade Name: CASIO COMPUTER CO., LTD.Responsible party: CASIO AMERICA, INC.Address: 570 MT. PLEASANT AVENUE, DOVER, NEW JERSEY 07801Telephone number: 973-361-5400This device complies with Part 15 of the FCC Rules, Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and (2) this device must accept any interference received, includinginterference that may cause undesired operation.