Dell XPS 18 (1820, Early 2014) - Manual (Page 5)

Features │ 5
Features
This section provides information about the features available on your
computer.
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Feature Functionality
1 Ambient-light sensor Detects the ambient light and
automatically adjusts the display
brightness.
2 Front-facing camera Capture a front-view picture or
record videos.
Make video calls with web
applications, such as Skype.
3 Camera-status light Turns on when the camera is in use.
4 Volume-control buttons (2) Press to increase or decrease the
volume.
5 Left speaker Provides audio output.
6 Media-card reader Reads from and writes to media
cards