Centering

In the example in Figure 3-1, the gray area is the full imager field of view and the white area is the centering window. Bar Code 1 will not be read, while Bar Code 2 will be.The default centering window is a 128x96 pixel area in the center of the imager’s field of view. The following diagram illustrates the default top, bottom, left, and right pixel positions, mea- sured from the top and the left side of the imager’s field of view, which is 640 by 480 pixels.

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Top

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Left

Right

100%

If a bar code is not within the predefined window, it will not be decoded or output by the imager. If centering is turned on by scanning Centering On, the imager only reads codes that intersect the centering window you specify using the Top, Bottom, Left, or Right bar codes.

Product Reference Guide

3-15

Page 45
Image 45
Datalogic Scanning 7000 manual Centering