Epson BrightLink 450Wi - Interactive Projector, Руководство пользователя

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Solving Problems
131
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 74).
■
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 74).
■
If you’ve used the Keystone adjustment, you may need to decrease
the
Sharpness
setting in the Image menu (see page 72).
■
If you’re projecting from a computer, make sure its signal is
compatible with the projector. See page 145.
■
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 projection window. Clean the
window as described on page 110.
■ Adjust the focus using the focus lever (see page 44).
■ Lower the projection angle to reduce the amount of keystone
correction required.
■ If you’re projecting from a computer, you may need to adjust the
tracking and sync settings as described in the next section.