Appendix M
Operator
’s Guide
RJS, Minneapolis, MN
003-4500
122
Symbology Reference Decode Algorithm
A decoding algorithm that may be found in a particular
application and/or symbology specification.
TAPPI
Technical Association of Pulp and Paper Industry.
Technology Park/Atlanta, P.O. Box 105113
Atlanta, GA 30348-5115
Threshold (Global Threshold)
See Global Threshold)
Transmission Mode
The mode where light is transmitted through a film
master symbol rather than reflected from a printed
symbol.
Truncation
Decreasing the length of the bars in a bar code
symbol below the normal specification. Truncation
decreases a symbol
’s o
mni-directional readability and
should be avoided.
Valley
The graphical pattern on a scan reflectance profile
which looks like a
“U” or “V.” Within a profile a valley
represents a bar. One or more valleys could also be
found within an element representing a reflectance
change within an element.
Vertical Redundancy
The availability of more than one scan path through a
bar code symbol.