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Appendix A - Programming Menus & Commands
Codabar (NW-7 Format)
• Codabar (NW-7) has four different start/stop character schemes as shown above. The check digit is
optional and, if present, would be the last character.
• If the scanner is programmed to calculate the check digit and the bar code is not printed with a check digit,
the bar code will not be read.
8. Options for 2 of 5
Computer Command
(Z7)
G0
G1
G2
G3
7M
7N
2 of 5 Format (Standard and Interleaved)
Omron strongly recommends that the "Fixing the Number of Digits" featured on page 35 be employed
whenever 2 of 5 bar codes are used.
Start
1 to 42
Character
data digits
A . . . .
a . . . .
A . . . .
a . . . .
Function/Description
START/END
Programming Menu
Do not calculate check digit
Calculate check digit
Transmit check digit
Do not transmit check digit
Enable 2 characters
Disable 2 characters
1 to 44 data digits
numeric only (0 to 9)
Check
Stop
digit
Character
. . . . T
. . . . t
. . . . A
. . . . a
Bar Code Command
-[8-
-H1-
-H2-
-H3-
-H!-
-8N-
-8O-
CD
Check digit
V520-LHA7127
33
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