31Getting Started 3SwitchesSwitches and Status IndicatorsPower4 Gear KeyThe Power4 Gear button toggles power savings between various power saving modes. The power savingmodes control many aspects of the Notebook PC to maximize performance versus battery time duringvarious events.When you are using an AC power adapter, Power4 Gear will switch between three modes in the ACpower mode segment. When you remove the AC adapter, Power4 Gear will switch between sevenmodes in the battery (DC) mode segment. When you remove or apply the AC adapter, Power4 Gear willautomatically shift you up or down into the proper mode segment (AC or DC).SuperPerformance HighPerformance GamePerformance DVD MoviePerformance Email/OfficePerformance PresentationPerformance Audio ListeningPerformance Battery-SavingPerformanceModeNamesTaskbarIconsAC AC/DC AC/DC DC DC DC DC DCPowerSegmentPad-Lock KeyPressing this button will lock your touchpad when using an external mouse. Locking the touchpad willprevent you from accidentally moving the cursor while typing. To enable the touchpad, simply pressthis button again.Internet Launch KeyPressing this button will launch your Internet browser application while Windows is running.Email Launch KeyPressing this button will launch your Email application while Windows is running.