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First installation 47
Horizontal geometry settings
Horizontal position (course)
Position the middle vertical line of the test image approximately in the
center. This is a course adjustment. You will get the opportunity to fine-
tune later in the procedure.
Screen width
Adjust the width of the white frame on the test image following the
display’s specifications. You will get the opportunity to fine-tune later in
the procedure. Tip: It is a good idea to use a flexible plastic or paper ruler
to measure the size.
Horizontal linearity
Adjust until the distance between the vertical lines on the left side of the
test image is the same as between those at the right. These lines are
marked by arrows.
Horizontal S-correction
Adjust until the distance between the vertical lines in the center of the
test image is the same as between those at the left and the right.
Horizontal blanking left
The background of the test image is highlighted (gray) and a white frame
appears around the test image. When you drag the slider in the
adjustment dialog to the right, a black vertical border appears at the left
side of the test image. This is the blanking. Adjust now until this blanking
stops at 0.5 cm (0.2 inch) before the left edge of the white frame. The
frame must be completely visible.
Horizontal blanking right
Now do the same at the right side of the test image. Adjust until the
blanking starts at 0.5 cm (0.2 inch) after the right edge of the white
frame . The frame must be completely visible.
Rotation
Adjust until the white frame on the test image is perfectly upright.