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In the example below, the white box is the centering window. The centering window
has been set to 20% left, 30% right, 8% top, and 25% bottom. Since Bar Code 1
passes through the centering window, it will be read. Bar Code 2 does not pass
through the centering window, so it will not be read.
Note: A bar code needs only to be touched by the centering window in order to be read. ?It
does not need to pass completely through the centering window.
N3680 Decoded Engine User Guide
0%
Bar Code 1
10
20
30
40
50
60
70
80
90
100
0
10
20
30
Bar Code 2
40
50
60
70
80
90
100%
39
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