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Chapter 3 Using Your Computer 41
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, choose
Help > Mac Help from the menu bar and search for “sound.”
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.
If the device you want to connect has a composite port rather than an S-video port,
you can use the S-video-to-composite adapter that came with your PowerBook.
When an external monitor or television is connected, you can either have the same
image appear on both the internal display and the external monitor (known as video-
mirroring) or use the external monitor to extend the size of the Mac OS desktop (known
as dual-display mode). By default, your PowerBook starts up in dual-display mode. Press
the F7 ( ) key to switch between dual-display and video-mirroring modes.
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DVI port
S-video out port
LL2507.book Page 41 Thursday, March 11, 2004 5:16 PM