Samsung SGH-S400i User Manual

Also see for SGH-S400I: User guide Service manual

Samsung SGH-S400i User Manual Manual pdf 105 page image

102Health and safety informationUnderstanding How Your Phone OperatesYour phone is basically a radio transmitter andreceiver. When it's turned on, it receives and transmitsradio frequency (RF) signals. When you use yourphone, the system handling your call controls thepower level. This power can range from 0.006 watts to0.2 watts in digital mode.Maintaining Your Phone's Peak PerformanceFor the best care of your phone, only authorizedpersonnel should service your phone and accessories.Faulty service may void the warranty.There are several simple guidelines to operating yourphone properly and maintaining safe, satisfactoryservice.• Hold the phone with the antenna raised, fully-extended and over your shoulder.• Try not to hold, bend or twist the phone's antenna.• Don't use the phone if the antenna is damaged.• Speak directly into the phone's receiver.• Avoid exposing your phone and accessories to rainor liquid spills. If your phone does get wet,immediately turn the power off and remove thebattery. If it is inoperable, call Customer Care forservice.Availability of Various Features/RingTonesMany services and features are network dependentand may require additional subscription and/or usagecharges. Not all features are available for purchase oruse in all areas. Downloadable Ring Tones may beavailable at an additional cost. Other conditions andrestrictions may apply. See your service provider foradditional information.Battery Standby and Talk TimeStandby and talk times will vary depending on phoneusage patterns and conditions. Battery powerconsumption depends on factors such as networkconfiguration, signal strength, operating temperature,features selected, frequency of calls, and voice, data,and other application usage patterns.