Health and Safety Information148SAR tests are conducted using standard operatingpositions with the phone transmitting at its highestcertified power level in all tested frequency bands.Although the SAR is determined at the highestcertified power level, the actual SAR level of thephone while operating can be well below themaximum value. This is because the phone isdesigned to operate at multiple power levels so asto use only the power required to reach thenetwork. In general, the closer you are to a basestation, the lower the power output of the phone.Before a new model phone is available for sale tothe public, compliance with the European R&TTEDirective must be shown. This directive includes asone of its essential requirements the protection ofthe health and safety of the user and any otherperson.Precautions When Using Batteries• Never use any charger or battery that is damagedin any way.• Use the battery only for its intended purpose.• If you use the phone near the network’s basestation, it uses less power; talk and standby timeare greatly affected by the signal strength on thecellular network and the parameters set by thenetwork operator.• Battery charging time depends on the remainingbattery charge and the type of battery andcharger used. The battery can be charged anddischarged hundreds of times, but it willgradually wear out. When the operation timeHealth and Safety Information149(talk time and standby time) is noticeably shorterthan normal, it is time to buy a new battery.• If left unused, a fully charged battery willdischarge itself over time.• Use only Samsung-approved batteries andrecharge your battery only with Samsung-approved chargers. When a charger is not in use,disconnect it from the power source. Do not leavethe battery connected to a charger for more thana week, since overcharging may shorten its life.• Extreme temperatures will affect the chargingcapacity of your battery: it may require cooling orwarming first.• Do not leave the battery in hot or cold places,such as in a car in summer or winter conditions,as you will reduce the capacity and lifetime of thebattery. Always try to keep the battery at roomtemperature. A phone with a hot or cold batterymay temporarily not work, even when the batteryis fully charged. Li-ion batteries are particularlyaffected by temperatures below 0 °C (32 °F).• Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic object (coin,clip or pen) causes a direct connection betweenthe + and – terminals of the battery (metal stripson the battery), for example when you carry aspare battery in a pocket or bag. Short-circuitingthe terminals may damage the battery or theobject causing the short-circuiting.• Dispose of used batteries in accordance with localregulations. Always recycle. Do not dispose ofbatteries in a fire.