BARCODE READER
OVERVIEW
Chapter Issue 3 Jan 08
Technical Reference Manual
26.1
CHAPTER 26 BARCODE READER
OVERVIEW
WARNING
RADIATION. RISK OF INJURY TO THE EYES DUE TO LASER LIGHT BEING
PRESENT IN THE VICINITY OF THE LABEL. DO NOT LOOK AT THE LIGHT
SOURCE OR REFLECTIONS FROM A SURFACE.
There are four types of barcode readers that may be fitted to the machine:
•
Remote Barcode Reader 1D
•
Remote Barcode Reader 2D
•
Handheld Barcode Reader 1D
•
Handheld Barcode Reader 2D
1D or one dimensional barcodes are the most common barcodes consisting of
a single row of different width bars.
2D or two dimensional barcodes consist of square modules constructed in a
matrix that may be square or rectangular.
NOTE
There are many different formats of barcodes and the above are single exam-
ples to demonstrate the difference between 1D and 2D barcodes.
Example of a 1D Barcode
Example of a 2D Barcode
