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Chapter 3 Using Your Computer 45
The volume controls on your keyboard allow you to easily change volume. You can also
access these controls from the Sound pane of System Preferences.
For more information about using or troubleshooting sound on your computer, open
Mac OS Help and search for “sound.”
Sudden Motion Sensor
Your PowerBook has Sudden Motion Sensor technology, built-in protection for the hard
disk that is designed to help prevent disk failures if the computer is dropped or
undergoes severe vibration.
In general, Sudden Motion Sensor protection does not change hard disk performance
during regular PowerBook operation. Occasionally the Sudden Motion Sensor
technology may be activated by unusually strong vibrations at a time when your
PowerBook is writing or reading data intensively, such as when playing or recording
video or audio. Should you experience dropped frames or sound elements in such a
situation, make sure that your PowerBook is in a stable environment without vibration
or abrupt movement.
External Video Support (DVI, VGA, and S-Video)
Your computer has an external monitor (DVI) port that allows you to directly connect a
display or projector with a DVI port. Use the included DVI-to-VGA adapter to connect
your PowerBook to monitors and projectors that have VGA connectors.
The TV out port (also known as an S-video out port) on your computer lets you connect
to a television, videocassette recorder (VCR), or video projection system using an
S-video cable. You can use TV out to display images on a television, record computer
images on a VCR, or play DVD-Video discs on your television.
LL3140.book Page 45 Thursday, February 17, 2005 4:27 PM