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2-9
Programming
• UPC A and E Preamble
Three options are given for the lead-in characters of decoded UPC-A or
UPC-E symbols transmitted to the host device. Select one preamble for UPC-A
decodes and one for UPC-E decodes. These lead-in characters are considered
part of the symbol itself. The three options are:
•
a system character only
•
the country code and system character
•
no preamble
The system character is the digit printed to the extreme left of a UPC symbol.
The country code for UPC is always zero, and it cannot be transmitted without
the system character.
• Data Transmission Formats
Select the desired scan data format from one of the following:
<data>
<PREFIX> <data>
<PREFIX> <data> <SUFFIX>
<data> <SUFFIX>
<data> = Scanned bar code data
<PREFIX> <SUFFIX> as selected by the user
• Prefix/Suffix Values
A prefix/suffix may be appended to scan data for use in data editing. These
values are set by scanning a four digit number (i.e., four bar codes) that
correspond to keycodes for various terminals. An ASCII table begins on
page 2-23.
• Laser On Time-out
The maximum time the laser will remain on or decode processing will continue
during a trigger pull. Programmable in .5 sec increments from 0.5 to 5.0 sec.