Quantum Data 881 User Manual

Page 86

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Chapter 2 Testing Video Displays

methods for verifying these parameters on the

SMPTE133

image are provided in

Appendix B, “

Image Reference

.”

When testing for centering, use the Outline images. The detailed methods for
verifying centering with the Outline images (

Outline0, Outline1, Outline2, Outline3

)

are provided in Appendix B, “

Image Reference

.”

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 pixel anomalies, use the Flat, Raster, and Ramp images. Use the
Raster and Flat images to look for pixels that may be stuck on or off, respectively.
The luminance should increase uniformly for the Ramp image. Also look for
sparkles indicating problems with sampling.

When testing for persistence with the animated images (

Cubes

and

Persist

), look

for bleeding or trails in the wake of the moving object.

Note: You can customize your generator to run through a specified set of formats and
images automatically or manually by creating test sequences. See Chapter 8, “

Working

with Test Sequences

.” for details.

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