User Guide
14
Display is 
too dark or 
too bright. 
If the video output level of the computer is within the spec. 
Display is not 
in the center.
If the signal timing of the computer is within the spec. 
If the power voltage is within the spec. 
Display is 
shaking. 
If the signal timing of the computer is within the spec. 
If the signal cable is properly connected. 
If the signal timing of the computer is within the spec. 
Display is not 
synchronized.
If the video output level of the computer is within the spec. 
Cable not connected  Change Computer Hz  Mode Error 










