Appendix A Programming Guide
A-33
$
Bar code 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 bar codes; refer to table below.
Default values for module width and ratio:
Bar code
Module width
Ratio
code No.
type
default variable
default
variable
1)
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
in /
inch
1)
1
300
*) for optimum readability module width should not be changed