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MS852B Plus User’s Manual
2.29 Centering
Use Centering to narrow the scan engine’s field of view to make sure that
when the scanner is hand-held, it reads only those bar codes intended by the
user. For instance, if multiple codes are placed closely together, centering will
insure that only the desired codes are read. (Centering can be used in
conjunction with Aimer Delay for the most error-free operation in applications
where multiple codes are spaced closely together. Using the Aimer Delay and
Centering features, the scanner can emulate the operation of older systems,
such as linear laser bar code scanners.)If a bar code is not touched by a
predefined window, it will not be decoded or output by the scan engine. If
centering is turned on by scanning Centering On, the scan engine only reads
codes that pass through the centering window you specify using the Top of
Centering Window and Bottom of Centering Window bar codes.
In the example below, the white box is the centering window. The centering
window has been set to 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.
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