User's Manual

Bar Code SymbologiesAppendix —B
408 700 Series Color Mob ile Computer User’s Manual
I2of5(Interleaved)
I 2 of 5 (Interleaved 2 of 5 Code) is an all-numeric symbology, widely
used for warehouse and heavy industrial applications. Its use has been par-
ticularly prevalent in the automobile industry. The I 2 of 5 symbology can
be placed on smaller labels than what the standard UPC symbology re-
quires.
I 2 of 5 also provides a little more flexibility on the type of material it can
print on. Interleaved 2 of 5 Code has its name because of the way the bar
code is configured.
I 2 of 5 bars and spaces both carry information. The bars represent the
odd number position digits, while spaces represent the even number posi-
tion digits. The two characters are interleaved as one. Messages encoded
with this symbology have to use an even number of characters since two
numeric characters always get interleaved together.
Matrix 2 of 5
Matrix 2 of 5 is a derivitive of Code 11 and is a linear bar code that is only
read by linear imagers. It is limited to the ten digits and start/stop charac-
ter. Discrete but not self-checking. Matrix 2 of 5 is used with a single
Mmodulo 10 check digit. Compared with Code 11 (using two check dig-
its) and the other industrial symbologies, Matrix 2 of 5 is somewhat more
subject to substitution errors and offers no particular advantage.
MaxiCode
MaxiCode is a fixed-size code which holds up to 93 data characters. The
symbol is composed of a central bulls-eye locator and offset rows of hexag-
onal elements; the overall dimensions of the symbol are approximately
1.11 x 1.054 inches. Each element measures 0.035 x 0.041 inches.
Created by United Parcel Service, the MaxiCode symbol was designed for
quick automated scanning of packages on high-speed conveyor lines (spe-
cial cameras can read a MaxiCode on a carton travelling at up to 500 feet
per minute).
PDF417
The PDF417 symbology is a stacked 2D symbology that allows you to
scan across rows of code. Each row consists of start/stop characters, row
identifiers, and symbol characters, which consist of four bars and four
spaces each and contain the actual data. This symbology uses error correc-
tion symbol characters appended at the end to recover loss of data.
PDF417 can store up to about 1800 printable ASCII characters or 1100
binary characters per symbol. The symbol is rectangular; the shape of the
symbol can be adjusted to some extent by setting the width and allowing
theheighttogrowwiththedata.Itisalsopossibletobreaklargeamounts