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Opticon LMD 1135 User Manual

Page 39

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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.