Managing Power 3-6Checking the Battery LevelNOTE: Any battery level indication is an estimated result. The actual operating time canbe different from the estimated time, depending on how you are using the computer.By Operating SystemYou can check the approximate battery level using the battery meterfunction of the operating system. To read the battery level in Windows,click the icon on the taskbar. (Click the icon if the computer isusing AC power.)By Gas GaugeOn the exterior side of the battery pack is a gas gauge for displaying theestimated battery charge. When the battery pack is not installed in thecomputer and you want to know the battery charge, you can press theswitch with a pointed device to see the corresponding value of indicatorsegment that light green. The value of the corresponding green segmentindicates the relative percentage of the battery charge. The battery pack isfully discharged when you see no segment glowing green.Switch