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Problem: Image is unstable and flickering
Use “Phase” to make an adjustment.
Problem: Image is scrolling
Check and make sure the VGA signal cable (or adapter) is well
connected.
Check and reconfigure the display mode of the vertical refresh
rate of your graphics card to make it compatible with the LCD
Display.
Problem: Vague image (characters and graphics)
Use “Clock” to make an adjustment. If this problem still exists,
use “Phase” to make an adjustment.
Warning Signal
Sometimes you may see warning messages for this LCD Display. This
means that the LCD Display cannot correctly receive the signal from the
computer graphics card.
No Signal
This message means that the LCD Display has been powered on but it
cannot receive any signal from the computer graphics card. Check all
the power switches, power cables, and VGA signal cable.
Out Of Range
This message means that the signal of the computer graphics card is
not compatible with the LCD Display. When the signal is not included in
the compatibility mode we have listed in the Appendices of this
manual, the LCD display will show this message.
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