Xenon 1900, User Manual, Page: 130 / 356

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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.
Scan Presentation 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 Presentation
Centering = 40% for Top and Left, 60% for Bottom and Right.
0
Bar Code 1
Bar Code 2
10 20 30 40 50 60 70 80 90 100%
100
90
80
70
60
50
40
30
20
10
0%
Presentation Centering On