AML M2500 Decoder - Manual (Page 63)

C - 2
CODE 39 CHARACTER SET:
An optional check character can be used for applications requiring higher levels
of data security. When used, the check character immediately follows the last
data character. The check digit is calculated as follows:
1. Each data character is assigned a numerical value as shown in the
following table:
CHAR VALUE CHAR VALUE CHAR VALUE
0 0 F 15 U 30
1 1 G 16 V 31
2 2 H 17 W 32
3 3 I 18 X 33
4 4 J 19 Y 34
5 5 K 20 Z 35
6 6 L 21 - 36
7 7 M 22 . 37
8 8 N 23 SPACE 38
9 9 O 24 $ 39
A 10 P 25 / 40
B 11 Q 26 + 41
C 12 R 27 % 42
D 13 S 28
E 14 T 29