Dell Precision Mobile Workstation M20 Quick Reference Guide 11In addition, when your computer is connected to a docking device (docked), the Battery Meterwindow includes a Dock Battery tab, which displays the charge level and current status of thedocking device battery.The following icons appear in the Battery Meter window:For more information about QuickSet, right-click the icon in the taskbar, and click Help.Microsoft® Windows® Power MeterThe Windows Power Meter indicates the remaining battery charge. To check the Power Meter,double-click the icon on the taskbar. For more information about the Power Meter tab, seeyour User’s Guide.If the computer is connected to an electrical outlet, a icon appears.Charge GaugeBefore you insert a battery, press the status button on the battery charge gauge to illuminate thecharge-level lights. Each light represents approximately 20 percent of the total battery charge. Forexample, if the battery has 80 percent of its charge remaining, four of the lights are on. If no lightsappear, the battery has no charge.• The computer or docking device is running on battery power.• The battery is discharging or idle.• The computer or docking device is connected to an electrical outlet andrunning on AC power.• The battery is charging.• The computer or docking device is connected to an electrical outlet andrunning on AC power.• The battery is discharging, idle, or charging.
