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46 Chapter 3 Using Your Computer
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 (i) key to switch between dual-display and video-mirroring modes.
If you want sound to come from the external display, such as a projector or TV, you
need to connect an audio cable from the computer’s headphone out port to that
device.
Note: Because of the display limitations of most televisions, images displayed on the
television screen will be of lower quality than those on the built-in display or an
external monitor.
Connecting an External Display or Projector
To connect an external display or projector with a DVI connection to
your computer:
1 Turn on the external display or projector.
2 Make sure the display cable is connected to the external projector or display.
®
DVI port
S-video out port
LL3140.book Page 46 Thursday, February 17, 2005 4:27 PM