Datamax I-Class Podręcznik użytkownika - Strona 3
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Overview
The
Linear
Scanner,
technology, interrogates labels at up to
700 times per second to ensure that your
printed bar codes have the correct bar and
space widths, good contrast, and quiet
zones
to
be
readable.
microprocessor and proven decoding
algorithms provide accurate, high-speed,
operation.
Easy to use and fully integrated, the
Scanner has menu-selectable set-up and
control features including fault-handling
options that can void any label containing
an unreadable bar code and, if desired,
automatically generate a replacement.
This document provides all the information needed to operate the Scanner on a daily basis. The
illustration above highlights the Scanner's connection to the printer.
Performance
Several factors can affect scanning performance. For best results use carbon-based inks, label stocks with
a matte finish, and Print Contrast Signal (PCS – a comparison of the reflectance of the printed bars to that
of the background stock) that is as high as practical. In addition, you can program the Scanner using the
printer's front panel to meet your specific application requirements; see Setup and Configuration and
Label Layout, below.
High Throughput Applications
If your primary objective is to achieve the highest possible throughput rate with the minimum scanable
region, the following list identifies the parameters and settings that can maximize scanning and decoding
speed. When emphasizing throughput, however, other areas of performance may be affected. For
example, the number of non-reads could increase. If high throughput is critical, consider these settings:
Enable only those bar codes that you will be scanning.
Decrease the Redundancy Level or the Min Readable Height setting.
Bar Code Integrity Applications
If your primary objective is to ensure that the correct bar code data is read over a significant region of the
symbology, the following list identifies the parameters and settings that can maximize scanning and
decoding integrity. When emphasizing accuracy and data security, other areas of performance may be
affected. For example, throughput may be slowed. If bar code integrity is critical, consider these settings:
Increase the Redundancy Level or the Min Readable Height setting.
Slow the print speed and/or increase the bar code height.
using
CCD
A
32-bit
Cable
Scanner
1
Centerplate