Appendix A Programming Guide
A-28
Barcode ratio
This command selects one of the available ratios between wide and narrow bars
(spaces).
ESC * z P1 O P1 = 2.0 ; 2.5 ; 3.0 ; default is 2.5
Note: This command is not applicable to all barcodes; refer to table below.
Default values for module width and ratio:
Module width Rat
io
Barcode
Code No. type
default
1)
variable default Variable
0 Code 39
6 yes 2.5 Yes
1 2 of 5 industrial 6 yes 2.5 Yes
4 2 of 5 interleaved 6 yes 2.5 Yes
102 EAN 8 SC 2 4 yes *) fixed No
106 EAN 8 SC 6 6 yes *) fixed No
109 EAN 8 SC 9 8 yes *) fixed No
122 EAN 13 SC 2 4 yes *) fixed No
126 EAN 13 SC 6 6 yes *) fixed No
129 EAN 13 SC 9 8 yes *) fixed No
142 UPC - A SC 2 4 yes *) fixed No
146 UPC - A SC 6 6 yes *) fixed No
149 UPC - A SC 9 8 yes *) fixed No
162 UPC - E SC 2 4 yes *) fixed No
166 UPC - E SC 6 6 yes *) fixed No
169 UPC - E SC 9 8 yes *) fixed No
180 Codabar 6 yes 2.5 Yes
181 MSI 6 yes 2.5 Yes
188 Code 93 6 yes fixed No
200 Postnet fixed no fixed No
210 Code 128 6 no fixed No
220 RM4SCC/KIX fixed no fixed No
230
Datamatrix Code
5 yes *) fixed No
240 USPS IMB Standard fixed no fixed No
241 USPS IMB Compact fixed no fixed No
1)
in
1
/
300
inch
*) for optimum readability module width should not be changed