Precision Viewer 17” -Excellence Series-
12
Problem
Cause
Possible solution
The picture is
bouncing or a
wave pattern is
present in the
display.
There is a device with a
transformer or adapter
nearby (such as a TV,
radio or loudspeaker).
Remove or move the source of
disturbance. Try the monitor at a
different workplace if necessary.
The colours are
faded or lacking.
The signal plug is not
properly secured in the
computer.
Secure the plug. See section 3.4.
Defective VGA card.
If possible, try the monitor with a
different computer in order to check
whether it works.
Pin 1, 2 or 3 on the signal
plug is bent or broken.
Straighten the pin. Note: the pins
break off very easily (and do not fall
under the guarantee)
Display image is
not centred.
Position settings set
improperly.
Adjust the horizontal position
(H.Position) and vertical position
(V.Position). See section 5.2.
Display image is
too small or too
large
Size settings set
improperly.
Adjust the horizontal size (H.size)
and vertical size (V.Size). See
section 5.2.
Display image is
too dark or too
light
Contrast and brightness
settings set improperly.
Adjust the contrast and brightness
(section 5.2).
Display image is
in the form of a
trapezoid.
Example: / \ or
\ /.
Trapezoid setting set
improperly.
Adjust the trapezoid setting. See
section 5.2.
Display image is
convex or
concave.
Pincushion setting set
improperly.
Adjust the pincushion setting. See
section 5.2.
Display image is
tilted.
Rotation setting set
improperly.
Adjust the rotation setting. See
section 5.2.
