NOTE: Designates important information that relates to activities and/orconditions that might result in loss of data and/or damage to your device.Safe Use And Operation of Your DeviceAll portable computers produce low levels of RF energy due to thegeneration of digital timing pulses by its clock oscillator circuits. Yourdevice has been equipped with internal shielding to minimize strayemissions of RF energy. Airlines may nevertheless prohibit the on-boarduse of portable PCs (and all other portable electronic devices that couldpotentially emit stray RF energy), particularly during take-offs andlandings, to prevent any possible interference with the reception ofsignals by airborne electronic navigational devices. Other locations,such as hospitals, may also restrict the use of Pocket PC’s and otherdevices that emit low-level RF energy.WARNING Always request and obtain prior consent and approval of anauthorized airline representative before using your device aboard anaircraft. Always follow the instructions of the airline representative wheneverusing your device aboard an aircraft, to prevent any possibleinterference with airborne electronic equipment.WARNING Always comply with posted prohibitions of the use of RF-emittingdevices, such as in hospitals. Failure to follow such directives couldresult in the interference with medical equipment and/or devices. Never come closer than 6 inches to a person with a heart pacemakerimplant when using this device. Failure to do so could result ininterference with the function of the pacemaker.WARNING Never use your device while driving an automobile or any othermoving vehicle. Always pull out of traffic and come to a stop in alegally permissible and safe location before using your device. Failureto do so could result in serious bodily injury in a traffic accident.Section 4: Safety Guidelines and Warranty Information4A: Safety 173 Do not engage in stressful or emotional conversations that maydivert your attention from the road. Dial to report serious emergencies. It’s free fromyour device. Use your device to help others in emergencies. Call roadside assistance or a special non-emergency wireless numberwhen necessary.Safety Instructions• It is recommended that important data stored in your device should besaved to a memory card (sold separately) or your personal computer(data transfer with ActiveSync®) on a regular basis. Before returningyour unit for service, be sure to back up your data and remove anyconfidential, proprietary or personal information. Sprint is notresponsible for damage to or loss of any programs, data or removablestorage media.• There are two categories of Safety Instructions included in this guide:-Product Warnings, (i.e., what must never be done to assure avoidingthose hazards that could cause bodily injury or property damage);and-User Directions (i.e., what must always be done to assure the safe useof your device).• The Safety Instructions contained in this guide have beencategorized in accordance with the seriousness of the potentialhazards through the use of Signal Words.Those Signal Words, and their intended meanings, are as follows:DANGER: Indicates that a failure to observe the Safety Instructionscould result in death or catastrophic bodily injury.WARNING: Indicates that a failure to observe the Safety Instructionscould result in serious bodily injury.CAUTION: Indicates that a failure to observe the Safety Instructionscould result in minor bodily injury or property damage.119Section 4: Safety Guidelines and Warranty Information172 4A: Safety