Glossary
User’s Manual 179
Resolution
The narrowest element dimension which is distinguished by a
particular reading device or printed with a particular device or
method.
RF
Radio Frequency.
ROM
Read-Only Memory. Data stored in ROM cannot be changed or
removed.
Scanner
An electronic device used to scan bar code symbols and produce a
digitized pattern that corresponds to the bars and spaces of the
symbol. Its three main components are:
• Light source (laser or photoelectric cell) - illuminates a bar
code.
• Photodetector - registers the difference in reflected light
(more light reflected from spaces).
• Signal conditioning circuit - transforms optical detector
output into a digitized bar pattern.
SDK
Software Development Kit.
Subnet
A subset of nodes on a network that are serviced by the
same router.
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General
Weight and Dimensions
