16BEFORE USING BATTERY HANDLING INFORMATIONH DOsH DON’Ts• Only use the battery and charger approved by the manufacturer.• Only use the battery for its original purpose.• Try to keep batteries in a temperature between 41ºF (5ºC ) and 95ºF (35ºC).• If the battery is stored in temperatures above or below the recommendedrange, give it time to warm up or cool down before using.• Completely drain the battery before recharging.It may take one to four days to completely drain.• Store the discharged battery in a cool, dark, and dry place.• Purchase a new battery when its operating time gradually decreases afterfully charging.• Properly dispose of the battery according to local laws.• Don’t attempt to disassemble the battery – it is a sealed unit with no service-able parts.• Don’t accidentally short circuit the battery by carrying it in your pocket orpurse with other metallic objects such as coins, clips and pens. This may criti-cally damage the battery.• Don’t leave the battery in hot or cold temps. Otherwise, it could significantlyreduce the capacity and lifetime of the battery.• Don’t dispose of the battery into a fire.CHAPTER 2 BASIC OPERATIONThis chapter explains the basic features of your mobile phoneincluding:TURNING THE PHONE ON / OFFACCESSING THE MENUMENU SUMMARYBASIC FUNCTIONSDURING A CALLMAKING AN EMERGENCY CALLCHAPTER 2BASIC OPERATION