64• Do not use harsh chemicals, cleaning solvents, orstrong detergents to clean it. Wipe it with a softcloth slightly dampened in a mild soap-and-watersolution.• Do not paint it. Paint can clog the device’s movingparts and prevent proper operation.• Use only the supplied or an approved replacementantenna. Unauthorized antennas, modifications ofattachments could damage the phone and mayviolate regulations governing radio devices.• If the phone, battery, charger, or any accessory isnot working properly, take it to your nearestqualified service facility. The personnel there willassist you, and if neccessary, arrange for service.65Acknowledging Special Precautions and theFCC and Industry Canada NoticeCautionsModifications not expressly approved by the partyresponsible for compliance could void the user'sauthority to operate the equipment. FCC ComplianceInformationThis device complies with Part 15 of 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.Including interference that may cause undesiredoperation.Information to UserThis equipment has been tested and found to complywith the limits for a Class B digital device, pursuant topart 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmfulinterference in a residential installation.This equipment generates, uses and can radiate radiofrequency energy and, if not installed and used inaccordance with the instructions, may cause harmfulinterference to radio communications. However, thereis no guarantee that interference will not occur in aparticular installation. If this equipment does causeharmful interference to radio or television reception,which can be determined by turning the equipment offand on, the user is encouraged to try to correct theinterference by one or more of the following measures: