Intellitrack Check In/Out Manual de usuario Pagina 428

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INTELLITRACK CHECK IN-OUT V7.0
User Manual
400
Bar Code Symbology Characteristics
Table 19, “Bar Code Symbology,” on page 400 summarizes the characteris-
tics of different bar code symbologies.
TABLE 19. Bar Code Symbology
Symbology Length Checksum* Characters** Notes
Code 39 2-30 NR N,U,P Most common bar code.
Code 128 2-30 Auto N,U,L,P,C Best for full ASCII character set
Int. 2 of 5 2-30 Recmd N Most dense numeric code
UPC-A 11,13,16 Auto N Grocery industry standard
UPC-E 11,13,16 Auto N Small packages
EAN/JAN-13 12,14,1
7
Auto N UPC + Country Code (13 chars)
EAN/JAN-8 7,9,12 Auto N UPC + Country Code (8 chars)
Ext 39 2-30 NR N,U,L,P,C Lower Case & Control Charac-
ters
Codabar 2-30 NR N Requires start/stop A,B,C or D
Postnet 5,9,11 Auto N Positioning critical
MSI 2-30 Recmd N Very durable
Code 93 2-30 NR N,U,P Higher density Code 39
Ext 93 2-30 NR N,U,L,P Includes extended character set
UCC-128 19 Auto N UPC shipping containers
*Checksum **Characters Encoded
Auto = Automatic Checksum - Always req’d
NR = Not Recommended - Self Checking
Recmd = Checksum Highly Recommended
N = Numbers (0-9)
U = Upper Case (A-Z)
L = Lower Case (a-z)
P = Punctuation
C = Control Characters (<32)
2283.book Page 400 Thursday, July 9, 2009 11:26 AM
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