BenQ 9H.F6GPK.NA4 Installation Handbook page 81

Digital signage/ifp
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Symptom
Some picture elements
do not light up.
After-Images can still
be seen on the display
after the display is
powered off. (Examples
of still pictures include
logos, video games,
computer images, and
images displayed in 4:3
normal mode)
Possible Cause
Some pixels of the display may not
turn on.
A still picture is displayed for an
over extended period of time.
Remedy
This display is manufactured
using an extremely high level of
precision technology: however,
sometimes some pixels of the
display may not display. This is
not a malfunction.
Do not allow a still image to be
displayed for an extended
period of time as this can
cause a permanent after-image
to remain on the display.
Troubleshooting
81

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