IBM ILC300, Руководство пользователя

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current source. You can select from Blank , Mute , Aspect Ratio , Source , Auto
Image , Freeze , Zoom , and About . See Chapter 5, “Using the menus”, on page 19
for details.
v
The Freeze effect allows you to freeze the displayed image. This is useful if you
want to make changes on your computer without your audience seeing them.
v
The Blank button on the remote allows you to display a blank screen instead of
the active source.
v
The Startup Logo menu option lets you change the default startup screen to a
black, white, or blue screen.
v Two menu options, Power Save and Screen Save , are provided to automatically
shut down the projector after several minutes of inactivity or display a black
screen. This helps preserve lamp life.
v
A Low Power menu option is also available to help lower the projector’s fan
sound volume.
Presentation Director
Presentation Director helps you create and save presentation schemes that setup
your ThinkPad computer to use an external monitor, projector, or television. It also
allows you to expand the size of your desktop display by extending the contents of
the display across two monitors. For more information on Presentation Director,
visit the www.ibm.com/pc/support Web site and search for
″
Presentation
Director.
″
Optimizing video images
After the video device is connected properly and the image is on the screen, you
can optimize the image using the onscreen menus. For general information on
using the menus, see Chapter 5, “Using the menus”, on page 19.
v
Adjust the Keystone , Contrast , Brightness , Color , or Tint in the Picture menu.
v
Change the Aspect ratio . Aspect ratio is the ratio of the image width to image
height. TV screens are usually 1.33:1, also known as 4:3. HDTV and most DVDs
are 1.78:1, or 16:9. Choose the option that best fits your input source.
v Select a Sharpness setting.
v
Adjust the Color Temperature . Select a listed value, or select User and
individually adjust the intensity of the red, green, and blue color.
v
Select a different Video Standard . Auto tries to determine the standard of the
incoming video. Select a different standard if necessary.
v
Turn overscan on to remove noise around the video image.
Customizing the projector
You can customize the projector for your specific setup and needs.
v For rear projection, turn Rear mode on in the Settings -> System menu.
v
For ceiling mounted projection, turn Ceiling mode on in the Settings -> System
menu.
v
Specify which source the projector checks first for active video during
power-up.
v
Specify the function of the Effect Key on the remote.
v
Turn the projector’s display messages on and off.
v
Turn on power saving features.
Chapter 4. Using the projector features
17