8888IndexContentsIndexContentsRADIO AND TELEVISION INTERFERENCEThe equipment described in this manual generates, uses, and can radiate radio-frequency energy. If it is not installedand used properly—that is, in strict accordance with Wacom instructions—it may cause interference with radio andtelevision reception.FCC NOTICEThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this devicemay not cause harmful interference, and (2) this device must accept any interference received, including interferencethat may cause undesired operation.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 ofFCC 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 in accordancewith the instructions, may cause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation.You can determine whether the equipment is causing interference by disconnecting it from your computer. If theinterference stops, it was probably caused by the equipment.If the equipment does cause interference to radio or television reception, you may be able to correct the interference byusing one or more of the following measures:• Rotate the television or radio antenna until the interference stops.• Move the equipment farther away from the television or radio.• Plug the equipment and computer into an outlet that is on a different circuit from the television or radio.If necessary, consult your Wacom dealer or an experienced radio/television technician for help.Changes or modifications to this product not authorized by Wacom could void the FCC Certification and negate yourauthority to operate the product.INDUSTRY CANADA (CANADA ONLY)“This Class (B) digital apparatus complies with Canadian ICES-003”“Cet appareil numérique de la classe (B) est conforme à la norme NMB-003 du Canada.”CE DECLARATIONThe Intuos ® 4 digitizing tablets, models PTK-440, PTK-640, PTK-840, and PTK-1240 have been tested and found tocomply with the following harmonized European Norms:• EN 55024:1998;A1:2001+A2:2003• EN 55022:2006 Class BBased on the results of these tests, Wacom declares that the above mentioned devices conform to the EMC Directive2004/108/EC.The device must be installed and operated always in strict accordance with the instructions given in this handbook.Any changes or modifications to this product that were not specifically authorized by Wacom will invalidate thisdeclaration.