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32 Using Your Projector
HORIZONTAL POSITION—Press to move the image to the left and to move the
image to the right.
V
ERTICAL POSITION—Press to move the image down and to move the image
up.
F
REQUENCY—Allows 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
RACKING—Synchronize 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.