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980 DP 1.4 Video Generator / Analyzer - User Guide
In the Outline3 version, the two diagonal lines are removed, cross lines are shortened, and short marker lines are
added.
16.117.2
Test
Yoke tilt correction.
16.117.3
Purpose
The horizontal axis of a displayed image should line up with the horizontal axis of your monitor. Any tilt is likely due
to the yoke being rotated on the neck of the CRT. A rotated yoke makes any displayed image appear rotated.
16.117.4
Method
Place your monitor on a flat surface so the face of the CRT is perpendicular to the surface.
Use a ruler or gauge to measure the height of each end of the image's horizontal center line from the surface. The
difference between the two readings should be within specification for the monitor. If it is out of specification, the
yoke must be adjusted. Loosen the hardware that clamps the yoke to the neck of the CRT and rotate the yoke until
the line is horizontal. Tighten the yoke-clamp hardware.
Page 431
Rev. A1
June 16, 2017
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