89Acknowledging Special Precautionsand Industry Canada NoticeOnly use approved batteries, antennas, and chargers. Theuse of any unauthorized accessories may be dangerous andwill invalidate the phone warranty if said accessories causedamage or a defect to the phone.Although your phone is quite sturdy, it is a complex piece ofhardware and can be broken. Use common-sense guidelinesto avoid dropping, hitting, bending or sitting on it.Information to UserThis equipment has been tested and found to comply with thelimits of a Class B digital device, pursuant to Part 15 of theFCC Rules. These limits are designed to provide reasonableprotection against harmful interference in a residentialinstallation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used inaccordance with the instructions, may cause harmfulinterference to radio communications. However, there is noguarantee that interference will not occur in a particularinstallation; if this equipment does cause harmful interferenceto radio or television reception, which can be determined byturning the equipment off and on, the user is encouraged totry to correct the interference by one or more of the followingmeasures:• Reorient / relocate the receiving antenna.• Increase the separation between the equipment andreceiver.• Connect the equipment into an outlet on a circuitdifference from that to which the receiver is connected.