980 DP Video Generator - User Guide Rev. A4
Page 255 July 14, 2014
11.63 Focus_Oo
11.63.1Description
In the primary version (shown below), the screen is filled with white Oo characters on a black background. The
secondary version is drawn with black characters on a white background.
11.63.2Test
Focus adjustments.
11.63.3Purpose
An out-of-focus monitor displays fuzzy graphic images and poorly formed, hard-to-read text characters.
11.63.4 Method
On monitors with a single (static) focus adjustment, adjust the control for the best average focus over the entire
screen. The focus at certain locations of the screen should be within specified limits.
Some monitors have a static and one or more dynamic focus controls. The sequence for adjusting them and the
areas of the screen that they affect depend on the monitor under
test.
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