Quantum Data 802BT User Manual page 47

Video test generator

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802BT/802R Video Test Generator User Guide

When testing geometry with the Hatch images (for example, TVHatch and

Hatch20) look for distortion with concave or convex lines near the periphery of the

display. Look for irregular spacing on the cross hatch patterns.

When testing photometry such as chrominance, use the

only), TVSplBar,

bars which may indicate a dead or unconnected channel. Also, look at the transition

between the bars; they should be sharp and distinct. Each bar also should be

uniform in color and intensity across its entire width.

When testing focus with the Focus images, the characters in all areas of the display

should be well-formed and in focus.

When testing resolution with the Grill images, you should be able to see individual

and distinct stripes in all areas of the display at all four resolutions. When testing

for resolution with the Burst image, the peak intensities of the all of the bursts

should match the white reference level. The darkest portions between the peaks

should match the black reference level.

When testing for centering, use the Outline and

methods for verifying centering with the Outline images

Outline3) are provided in Appendix B,

When testing for high voltage regulation with the

outline at the edges of the image. They should stay in place and not pull away from

the area of the large, white blinking patch (when it appears).

TVBar100 & TVBar_75

images. Look for missing

images. The detailed

(Outline0, Outline1,

image, observe the

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