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The default centering window is a 169x128 pixel area in the center of the scan-
ner’s field of view. The following diagram illustrates the default top, bottom, left,
and right pixel positions, measured from the top and the left side of the scan-
ner’s field of view, which is 844 by 640 pixels.
If a bar code is not within the predefined window, it will not be decoded or output
by the scanner. If centering is turned on by scanning Centering On, the scan-
ner only reads codes that intersect the centering window you specify using the
Top, Bottom, Left, or Right bar codes.
Scan Centering On, then scan one of the following bar codes to change the
top, bottom, left, or right of the centering window. Then scan the percent you
want to shift the centering window using digits on the inside back cover of this
manual. Scan Save.
Default Centering = 40% for Top and Left, 60% for Bot-
tom and Right.
0
100%
100%
Default
Center
40% 60%
40%
60%
Left
Right
Bottom
Top
Left of Centering Window
Top of Centering Window
Right of Centering Window
Bottom of Centering Window
* Centering Off
Centering On