Microscan N2210WZ Owner's Manual page 137

Scanner Parameters
Fixed Symbol Length Status
When enabled, the scanner will check the symbol length against the symbol length field. If
disabled, any length will be considered valid.
Fixed Symbol Length
Fixed Symbol Length helps prevent truncations and increases data integrity by ensuring
that only one symbol length will be accepted.
Specifies the exact number of characters that the scanner will recognize (this does not
include start and stop and check character characters). The scanner ignores any symbology
that does not match the specified length.
Full ASCII Set
Must be enabled when reading characters outside the standard character set (0-9, A-Z, etc.)
The user must know in advance whether or not to use the Full ASCII Set option. Since
Full ASCII Set requires two code words to encode one character, it is less efficient.
Standard Code 39 encodes 43 characters; zero through nine, capital "A" through capital
"Z", minus symbol, plus symbol, forward slash, space, decimal point, dollar sign, and percent
symbol. When Full ASCII Set is enabled, the scanner can read the full ASCII character
set, from 0 to 255.
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QX-870 Industrial Raster Scanner User's Manual