Acer AL707 User Manual page 14

Screen image is not centered or
sized properly.
Picture has color defects
(white does not look white)
Poor brightness or contrast
Horizontal or vertical disturbances
on the screen
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 adjusts 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.
41L1700-786-1B 英文
*Adjust pixel frequency (CLOCK) and
FOCUS or press hot-key (AUTO)
*Adjust RGB color or select color
temperature
*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.
*Use win 95/98 shut-down mode Adjust
CLOCK and FOCUS or perform hot-
key (AUTO-key).
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