CirclesS

Description

This image may be called for by some display

 

manufacturers’ test procedures. The image consists

 

of eight small white circles on a black background.

 

The circles are positioned in the corners of the

 

active video area and centered on each edge of

 

the active video area.

 

The secondary version inverts the image to black

 

circles on a white background.

 

 

 

 

 

 

 

 

Purpose

This pattern is specified by one or more monitor

 

manufacturers for checking and adjusting video

 

scan size, linearity and over scanning.

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Image 55
Quantum Data 801GC, 801GF, 801GX manual CirclesS