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8 Welcome
To prevent unauthorized use of your PowerLite 821p, you can assign
a password, create a user logo which is displayed at startup to identify
the projector, and disable the projector’s buttons through the
Operation Lock feature. For more information about security features,
see page 62.
Getting the Most from Your Projector
Depending on your presentation, you can take advantage of any or all
of these options:
■ Connecting to a notebook or other computer
If you want to connect the projector to a notebook or desktop
computer, see page 16. For additional presentation control, you
can connect the USB cable to the projector for running slide
shows, and connect an external monitor to view the presentation
on your computer simultaneously.
■ Connecting to video sources
You can connect a DVD player, VCR, HDTV, camcorder, laser
disc player, digital camera, and other video sources to your
projector. See page 22 for instructions.
■ Using the remote control
The remote control lets you switch from computer to video
sources, zoom in on part of your image, freeze or mute the
presentation, and adjust many other projector features. For
details, see Chapter 3.
By connecting the USB mouse cable included with your
projector, you can also use the remote control as a wireless mouse.
This lets you click through computer-based presentations (such as
PowerPoint
®
) from up to 20 feet away. For more information, see
page 47.
■ Including sound in your presentation
If your presentation includes sound, you can connect the audio
cable that came with your projector to use the projector’s built-in
speaker. See page 21.