13
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
*The life time of the back-light is
limited.In 10000 Hours the luminance
of the light has been reduced to half
of its original value. Please send the
monitor to an authorized service
Agent for service.
Horizontal or vertical disturbancies on
the screen
*Use win 95/98 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 shut-down
mode pattern .
Summary of Contents for LM-510
Page 23: ...22 P N 41A401 969...
