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7265 Programmer’s Manual
59
Copyright © 2004 TallyGenicom Chapter 3 ANSI Bar Codes
The following example illustrates the calculation of the check digits for the symbol CODE 93.
Data CODEsp93 "C""K"
Data Values 12 24 13 14 38 9 3
C Weights 7654321
K Weights 87654321
1) For "C", sum the products of the (C WEIGHTS * DATA VALUES).
(1 * 3) + (2 * 9) + (3 * 38) + (4 * 14) + (5 * 13) + (6 * 24) + (7 * 12) = 484
2) Divide 484 by 47.
484 / 47 = 10 remainder 14.
3) Therefore, the value of "C" is 14, which corresponds to character E.
4) For "K", sum the products of the (K WEIGHTS * DATA VALUES), starting with the newly
calculated "C" digit.
(1*14) + (2*3) + (3*9) + (4*38) + (5*14) + (6*13) + (7*24) + (8*12) = 611
5) Divide 611 by 47.
611 / 47 = 13 remainder 0
6) The value of "K" therefore is 0, corresponding to character 0. Send to the printer:
CODE 93E0
The Code 93 character table is the same as the Code 3 of 9 character table, except that there are
four additional “control characters” at the end.
Code 93 Character Table
0 0 12 C 24 O 36 - (minus sign)
1 1 13 D 25 P 37 . (period)
2 2 14 E 26 Q 38 (space)
3 3 15 F 27 R 39 $
4 4 16 G 28 S 40 /
5 5 17 H 29 T 41 +
6 6 18 I 30 U 42 %
7 7 19 J 31 V 43 <CTRL> $
8 8 20 K 32 W 44 <CTRL> %
9 9 21 L 33 X 45 <CTRL> /
10 A 22 M 34 Y 46 <CTRL> +
11 B 23 N 35 Z