48 Using the KeyboardKey CombinationsSystem FunctionsBatteryCD or DVD TrayDisplay FunctionsWireless Networking and Bluetooth® Wireless Technology Function Opens the Task Manager window. Displays the Dell™ QuickSet BatteryMeter (see "Dell™ QuickSet" onpage 139). Ejects the tray out of the drive (if DellQuickSet is installed; see "Dell™QuickSet" on page 139). Switches the video image to the nextdisplay option. The options include theintegrated display, an external monitor,and both displays simultaneously. and up-arrow key Increases brightness on the integrateddisplay only (not on an external monitor). and down-arrow key Decreases brightness on the integrateddisplay only (not on an external monitor). Enables and disables wireless networkingand Bluetooth wireless technology.
