PowerLite 77c, Руководство пользователя

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90
Solving Problems
■
If further adjustment is needed, you can fine-tune the
Tracking
and
Sync
settings manually using the Signal menu as described
on page 59.
1. Fill the screen with an image containing fine detail when
making these adjustments. For example, in Windows you can
select a pattern to appear as your desktop background. Or try
projecting black text on a white background.
2. Adjust the
Tracking
to eliminate vertical stripes.
3. Adjust the
Sync
to increase the sharpness of the image.
The colors of the image are not right.
■ Try selecting a different Color Mode. See page 56 for
instructions.
■ If you’re displaying video, adjust the
Color Saturation
and
Tint
settings on the Image menu. See page 56 for instructions.
■ Adjust the
Brightness
and
Contrast
settings on the Image
menu. See page 56.
■ Try adjusting the
Color Adjustment
setting on the Image menu.
See page 57.
■ Make sure the input signal setting on the Signal menu matches
the signal from the connected device. If the image is too purple
and you’ve connected a computer or RGB video device to the
Computer (Component Video)
port, select
Computer
as the
input source. If you’ve connected a component video device to
one of these ports, select
Component Video
. If you’re projecting
from a composite video or S-Video source, make sure the correct
Video Signal
is selected on the Signal message. See page 58 for
details.
■ Check your computer display settings to correct the color balance.
■ If the image seems dark, the lamp may be nearing time for
replacement. Check the lamp hours as described on page 65 and
replace it, if necessary, as described on page 76.
note
Because of the different
technologies used, your
projected image may not
exactly match the colors on
your laptop or computer
monitor.