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45
Symptom Probable Cause Corrective Action
Reference Page
Image is
unusually dark
or bright
● Is the brightness level properly
adjusted?
● Adjust accordingly using ABrightnessB
of the Image menu.
●
Adjust
A
Lamp Power
B
in the Option menu.
A
Page 32
A
Page 36
Coloring of the
image is poor or
distorted
● Is the contrast level properly
adjusted?
● Adjust accordingly using AContrastB of
the Image menu.
A
Page 32
● Are the signals of the connected
devices possible input signals?
● Check to ensure that they are possible
input signals, and input compatible
signals accordingly.
A
Page 18, 20
● Is the input cable correctly
connected?
● Connect the input cable correctly.
A
Page 19, 21
Projection
position on the
screen has
shifted
● Has the setup position of the
projector been shifted?
● Check the setup position of the
projector.
^
Image
disappears
suddenly
● Are the video signals correctly
input?
● Check the signals and connection.
A
Page 18 to
21
Images do not
appear on the
two-screen
mode display
● Are the DVI 1 and DVI 3 terminals
connected for input?
● To display images in the two-screen
mode, connect the DVI 1 and DVI 3
terminals. The left screen displays
images of the DVI 1 terminal, and the
right screen displays images of the
DVI 3 terminal.
A
Page 20, 21
Images do not
appear
immediately
after power is
turned on.
● Formatting is in progress. ● Please wait for a few minutes for the
formatting progress to end.
A
Page 28
The screen does
not darken
immediately
when the
projection has
ended
● The ending process is in progress. ● Please wait for a few minutes for the
ending process to complete.
A
Page 29
DLA-SH4KNL_EN.book Page 45 Thursday, June 12, 2008 4:25 PM