Health and safety information106Federal Communications Commission (FCC)http://www.fcc.govCellular Telecommunications IndustryAssociation (CTIA):http://www.wow-com.comU.S.Food and Drug Administration (FDA)http://www.fda.gov/cdrh/consumerWorld Health Organization (WHO)http://www.who.int/peh-emf/enPrecautions when using batteries• Never use any charger or battery that isdamaged in any way.• Use the battery only for its intendedpurpose.• If you use the phone near the network’sbase station, it uses less power; talk andstandby time are greatly affected by thesignal strength on the cellular networkand the parameters set by the networkoperator.• Battery charging time depends on theremaining battery charge, the type ofbattery and the charger used. Thebattery can be charged and dischargedhundreds of times, but it will graduallywear out. When the operation time (talktime and standby time) is noticeably