Dell dell projector Projector User Manual


 
Using Your Projector 41
FREQUENCYAllows you to change the display data clock frequency to match the
frequency of your computer graphics card. If you see a vertical flickering wave, use
Frequency control to minimize the bars. This is a coarse adjustment.
T
RACKINGSynchronize the phase of the display signal with the graphic card. If you
experience an unstable or flickering image, use Tracking to correct it. This is a fine
adjustment.