Dell Latitude D620 ATG User Manual page 21

1 ambient light sensor
The ambient light sensor is disabled when your computer is shipped to you. If you enable the sensor and then use any of the display brightness key
combinations, the sensor is disabled and the display brightness is increased or decreased accordingly.
Dell™ QuickSet allows you to enable or disable the ambient light sensor feature. You can also adjust maximum and minimum brightness settings that are
activated when you enable the ambient light sensor feature. For more information about QuickSet, right-click the
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 not control the brightness on any external
monitors or projectors.
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icon in the taskbar, and click Help.