Epson emp - 820 Projector User Manual


 
85
Poor image quality
Has the focus been adjusted correctly?
(P.46)
Has the front adjustable foot been adjusted so that the
image angle is too big?
If the image angle is too big, the image will be out of focus
vertically. (P.42)
Is the projector at the correct distance?
The recommended distance from the projector to the screen
is within 0.9 – 12.4 m (3.0 – 40.7 ft.). Set up the projector
so that the projection distance is within this range. (P.18)
Is the projector beam perpendicular to the screen?
(P.42)
Is the lens dirty?
(P.91)
Has condensation formed on the lens?
If the projector is suddenly taken from a cold environment
to a warm environment, condensation may form on the
lens, and this may cause the images to appear fuzzy. If this
happens, turn off the power and wait for the condensation
to disappear.
Have the synchronization
, tracking and display
position been adjusted correctly?
Press the [Auto] button to adjust these settings. You can
also use the menus to make the adjustment.
(P.46), Video (P.63)
Are the image signal format settings correct?
Use the Video Signal command in the Video menu to
select the video signal format. The projector may not be
able to automatically identify some types of video signal
that are input. (P.66)
Does the input signal match the connected source?
Use the Comp1 Input or Comp2/YCbCr Input command
in the Setting menu to select the signal format that matches
the connected source.
For Comp1: Digital-RGB,Analog-RGB,RGB-Video
For Comp2: Analog-RGB,RGB-Video,YCbCr,YPbPr
(P.70)
The image is fuzzy
Part of the image is
out of focus
The whole image is
out of focus