1 689 989 330 | 2016-11-30 Robert Bosch GmbHen | 26 | DCU 220 | Managing PowerInitializing the Battery PackYou need to initialize a new battery pack before using it for the first time or when the actualoperating time of a battery pack is much less than expected. Initializing is the process offully charging, discharging, and then charging. It can take several hours.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 LevelNOTE: Any battery level indication is an estimated result. The actual operating time can bedifferent from the estimated time, depending on how you are using DCU 220.The operating time of a fully charged battery pack depends on how you are using DCU 220.When your applications often access peripherals, you will experience a shorter operatingtime. The two battery packs are discharged in parallel.By Operating SystemYou can find the battery icon on the Windows taskbar (lower-right corner). The icon showsthe approximate battery level.By Gas GaugeOn the exterior side of the battery pack is a gas gauge for displaying the estimated batterycharge. When the battery pack is not installed in DCU 220 and you want to know thebattery charge, you can press the switch to see the number of LEDs that light up. Each LEDrepresents 20% charge.Switch