Using the Display 41FILE LOCATION: C:\Documents and Settings\reggie_davis\Desktop\Projects-07\BEN\Source\display.fmD E L L C O N F I D E N T I A L – P R E L I M I N A R Y 1 / 2 5 / 0 7 – F O R P R O O F O N LYUsing the Ambient Light SensorThe ambient light sensor (ALS) is located on the bottom of the computer display panel. The ALSdetects available environmental light and automatically increases or decreases the display backlighting tocompensate for low-light and high-light environments.You can enable or disable the ALS feature by pressing the and left-arrow key combination.NOTE: Do not cover the ALS with any adhesive labels. If covered up, the ALS automatically sets the displaybrightness to the minimum level.The ALS is disabled when your computer is shipped to you. If you enable the ALS and then use any ofthe display brightness key combinations, the ALS is disabled and the display brightness is increased ordecreased accordingly.Dell™ QuickSet allows you to enable or disable the ALS feature. You can also adjust maximum andminimum brightness settings that are activated when you enable the ALS feature. For more informationabout QuickSet, right-click the icon in the taskbar, and click Help.NOTE: Rebooting the computer returns the ambient light sensor to the last setting of enabled or disabled.NOTE: The ambient light sensor adjusts the display backlighting on your portable computer only. It does notcontrol the brightness on any external monitors or projectors.1 ambient light sensor1