Epson PowerLite 450W, Руководство пользователя

Страница: 117 / 174

Solving Problems
117
The image contains static or noise.
■
If you’re using a computer cable longer than 6 feet (1.8 meters),
or an extension cable, the image quality may be reduced.
■
Keep your computer and video cables away from the power cord
as much as possible to prevent interference.
■
The video signal may be split between the computer and the
projector. If you notice a decline in the projected image quality
when the image is displayed simultaneously on your notebook
computer and the projector, turn off the notebook’s LCD display.
■
Make sure the correct input signal is selected in the Signal menu
(see page 64).
■
If you’re using a composite, S-Video, or component video source
with 480i signals, turn on the
Progressive
setting on the Signal
menu (see page 64).
■
If you’ve used the Keystone adjustment, you may need to decrease
the
Sharpness
setting in the Image menu (see page 62).
■
If you’re projecting from a computer, make sure its signal is
compatible with the projector. See page 130.
■
If you’re projecting from a computer, press the
Auto
button on
the remote control to reset the projector’s Tracking, Sync, and
Position settings
The image is blurry.
■ There may be dirt or smears on the lens. Clean the lens as
described on page 98.
■ Adjust the focus using the focus lever (see page 29).
■ Lower the projection angle to reduce the amount of keystone
correction required.
■ Make sure the projector is within the proper range (projection
distance) from the screen (see page 22).
■ Make sure the lens is not fogged by condensation. You may need
to wait before using the projector after moving it from a cold
environment to a warm environment.