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1. Enter
barcode data in Excel for print bulk labels. |
3. Generate sequence
numbers for make barcodes. |
2. Design barcode
label with text, logo. |
4. Print barcode
label sheet to Avery 5160, 5161, 5162 . . . |
5. Print barcode
label on command line. |
6. Add Ascii key to
barcode: Tab, Enter, File Separator. etc. |
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Right click each barcode to save to local.
Desktop version software can
export bulk barcode images to a folder |
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Barcode Technology - Plessey
Barcode
Hide the description |
Plessey Code is a 1D linear
barcode symbology based on pulse
width modulation, developed in
1971 by The
Plessey Company plc, a
British-based company. It is one
of the first barcode symbology,
and is still used in some rare
libraries and for shelf tags in
retail stores, in part as a
solution to their internal
requirement for stock control.
The system was first used in the
early 1970s by J.Sainsbury to
identify all of its products on
supermarket shelves for its
product restocking system. |
The chief advantages are the
relative ease of printing using
the dot-matrix printers popular
at the time of the
code's introduction, and its
somewhat higher density than the
more common 2 of 5 and 3 of 9
codes. It has later led several
variations as Anker Code by ADS
Company, Telxon, and MSI (also
known as Plessey modified). It
is difficult to have the
specifications for them nowadays
and thus hard to tell the
differences between them (except
for MSI), because it was mainly
available as a paper document
and has since been discontinued.. |
Valid characters:
0123456789ABCDEF |
Plessey is one of the many
barcode formats currently in
use. |
A Barcode is a method of
representing data in a visual,
machine-readable form. |
The barcode formats has two
categories: |
One-dimensional (1D) ---
Barcodes represented data by
varying the widths and spacings
of parallel lines. |
Two-dimensional (2D) --- Using
rectangles, dots, hexagons and
other geometric patterns to
represented data. |
Plessey is 1D barcode.
The barcode comprises:
the forward start code
the label / data digits
the check code, for error
detection
the termination bar
the reverse start code
Plessey is variable with
no fixed length. |
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Check digit:
The check code for error
detection and correction is as
CRC, using polynomial division.
Is uses 2 characters, or 8 bits.
The generator polynomial is {\displaystyle
g(x)=x^{8}+x^{7}+x^{6}+x^{5}+x^{3}+1}
g(x)=x^{8}+x^{7}+x^{6}+x^{5}+x^{3}+1
with n=8, in binary "111101001". |
Human Readable:
Most barcodes display their
corresponding values below them,
which makes it possible to human
read and manually enter
the barcode values into the
equivalent system when the
barcode label is worn out and
cannot be read by the barcode
scanner. |
The Advantages of using
barcodes:
Using a barcode system can make
the working process simple and
easy, so it can reduces the
employee training time. It only
takes a few minutes to master
the barcode scanner to
collecting data, employees no
need to familiar with the entire
inventory or pricing process.
This also reduces the cost of
employee training.
The barcode system is very
versatile, it can be used for
any necessary data collection.
This may include pricing or
inventory information or
management information service
system. In addition, because
barcodes can be affixed to
almost any surface, they can be
used not only to track the
product itself, but also to
track the production process,
shipments and equipments.
When barcodes are used in
management information systems,
they can promote better
decision-making. Because data is
obtained quickly and accurately,
you can quickly obtain a full
range of information for the
entire company or organization,
so it is possible to make more
informed decisions. Better
decisions can ultimately save
time and money.
Barcodes are cheap and
user-friendly, providing an
indispensable tool for tracking
data from pricing to inventory.
The end result of a
comprehensive bar code system is
reduced overhead. |
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