Manual No. 25-ULPNR102-01; Mar, 2005 LMD 1135 Laser Fixed Mount Scanner
Page 35
8. Options for Codabar (NW-7) (Continued)
Computer
Command
Function
/Description
Bar Code
Command
(ZZ)
START/END Programming Menu
[[
H7
Do not calculate check digit
I8
%
H6
Calculate check digit
I7
HI
Inter-character Gap Check – No
check
IJ
HH
Inter-character Gap Check
II
%
-X
Default algorithm
.Y
%
-Y
Enables alternate decode
algorithms. May improve
performance on certain I 2 of 5,
Code 39, Codabar or MSI/Plessey
bar codes.
.Z
Codabar (NW-7) Format
Start
Character
1 to 42
data digits
Check
digit
Stop
Character
A . . . .
. . . . T
a . . . .
. . . . t
A . . . .
. . . . A
a . . . .
. . . . a
•
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.