14
Screen image is not centered or
sized properly.
*Adjust pixel frequency (CLOCK) and
FOCUS or press hot-key (AUTO)
Picture has color defects
(white does not look white)
*Adjust RGB color or select color
temperature
Poor brightness or contrast
*When the brightness of the screen
lowers after being used for a certain
period and the function of the display
is affected, send it to our authorized
service center for repair.
Horizontal or vertical disturbancies
on the screen
*Use win 95/98/2000/ME /XP shut-
down mode Adjust CLOCK and
FOCUS or perform hot- key (AUTO-
key).
CLOCK (pixel frequency) controls the number of pixels scanned by one
horizontal sweep. If the frequency is not correct, the screen shows vertical
stripes and the picture has not correct width.
FOCUS adjust the phase of the pixel clock signal. With a wrong phase
adjustment the picture has horizontal disturbances in light picture.
For FOCUS and CLOCK adjustment use “dot-pattern” or win
95/98/2000/ME/XP shut-down mode pattern.
NOTES
It is not recommended to rotate the monitor when executing the following
operations.
•
Display of vedio documents.
•
Execute real-time 3D procedures.
•
Execute full-screen game operation.
