Dell XPS 18 User Manual page 7

Feature
6 Volume-down button
7 Volume-up button
8 Camera-status light
9 Front-facing camera
10 Ambient-light sensor
11 Windows button
Functionality
• Press to decrease the volume by one
level.
• Press and hold to continuously decrease
the volume.
• Press to increase the volume by one
level.
• Press and hold to continuously increase
the volume.
Turns on when camera is active.
• Capture a front-view picture or record
videos.
• Make video calls with web applications,
such as Skype.
Automatically adjusts the brightness of the
display's backlight based on surrounding
light levels.
• Press to access/show the Windows Start
screen.
• Press for quick access to the most
recently used application or most
recently viewed screen.
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Features