SECTION 1
General Information
SE 1223 Scanner User’s Guide 1-5
a continuous code. The absence of gaps allows for greater
information density.
Dead Zone
An area within a scanner’s field of view, in which specular
reflection may prevent a successful decode.
Decode
To recognize a bar code symbology such as UPC/EAN and
then analyze the content of the specific bar code scanned.
Decode Algorithm
A decoding scheme that converts pulse widths into data
representation of the letters or numbers encoded within a
bar code symbol.
Depth of Field
The range between minimum and maximum distances at
which a scanner can read a symbol with a certain minimum
element width.
Discrete Code
A bar code or symbol in which the spaces between charac-
ters (intercharacter gaps) are not part of the code.
Discrete 2 of 5
A binary bar code symbology representing each character
by a group of five bars, two of which are wide. The location
of wide bars in the group determines which character is en-
Содержание SE1223
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