Dell 1210S User Manual page 32

H P
ORIZONTAL OSITION
image to the right.
V P —Press
ERTICAL OSITION
up.
F —Allows you to change the display data clock frequency to match the
REQUENCY
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 —Synchronize the phase of the display signal with the graphic card. If you
RACKING
experience an unstable or flickering image, use Tracking to correct it. This is a fine
adjustment.
32 Using Your Projector
—Press to move the image to the left and
to move the image down and
to move the
to move the image