29It takes approximately 3 hours to fully charge the battery pack when the power isoff and approximately 3.5 hours when the power is on (may need a longer chargingtime at lower temperatures).CAUTION: After the Tablet PC has been fully recharged, do notimmediately disconnect and reconnect the AC adapter to chargeit again. Doing so may damage the battery.Initializing the Battery PackInitializing the Battery PackInitializing the Battery PackInitializing the Battery PackYou need to initialize a new battery pack before using it for the first time or whenthe actual operating time of a battery pack is much less than expected. Initializingis the process of fully charging, discharging, and then charging. It can take severalhours.A software tool called “Gauge Reset” is provided for the purpose. Use the G-Managerprogram and select the Battery tab to find the tool.Checking the Battery LevelChecking the Battery LevelChecking the Battery LevelChecking the Battery LevelNOTE: Any battery level indication is an estimated result. Theactual operating time can be different from the estimated time,depending on how you are using the Tablet PC.The operating time of a fully charged battery pack depends on how you are usingthe Tablet PC. When your applications often access peripherals, you will experiencea shorter operating time.By Operating SystemBy Operating SystemBy Operating SystemBy Operating SystemYou can check the approximate battery level using the battery meter function of theoperating system. To read the battery level in Windows, tap the battery icon on thetaskbar.