Managing Power 3-5By Operating SystemYou can check the approximate battery level using the battery meterfunction of the operating system. To read the battery level in Windows,double-click the icon on the taskbar. (Click the icon if thecomputer is using AC power.)By Gas GaugeThe internal backup battery pack does not support the gas gauge displayon the battery itself, but on the exterior side of the main battery pack(option) is a gas gauge for displaying the estimated battery charge. Whenthe main battery pack is not installed in the Tablet PC and you want toknow the battery charge, you can press the on/off switch with a pointeddevice to see the corresponding value of indicator segment that lightgreen. The value of the corresponding green segment indicates therelative percentage of the battery charge. The battery pack is fullydischarged when you see no segment glowing green.Replacing the Main Battery PackCAUTION:z There is danger of explosion if the battery is incorrectly replaced. Replace thebattery only with the computer manufacturer’s optional battery packs. Discard usedbatteries according to the dealer’s instructions.z Do not attempt to disassemble the battery pack.z In case if the battery leak and the battery fluid gets into the eyes. Do not rub eyes.Immediately flush eyes with clear water and see a doctor as soon as possible.If you often rely on battery power for a long period of time whiletraveling, you may consider the purchase of an additional main batteryOn/OffSwitchDevice IndicatorSegment