Tally Genicom 6600 - Manual (Page 261)

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261
Add-On 5
Six numbers are transmitted: check number (c) + 5 information items (n). The
uneven figures of the information have a factor of "3", the even figures a factor
of "1". Counting begins from the right. The resulting cross sum is divided by
10. The remaining integer value is subtracted from the modul (10). The result
is transmitted as the check number (c).
Example
The check number is not printed in the clear data line (HRI).
Add-On 2
Three numbers are transmitted: check number (c) and 2 informations (n).
The check number results from the remaining integer value of modul (4).
Example 1
Example 2
Example 3
Information 3 8 6 1 0 4
Factor 3 9 3 9 3
Product 24 + 54 + 3 + 0 + 12
Cross sum 93
3 (remainder) = 3 (check number)
Information 0 0 4
Remainder (0) 0
Information 2 0 6
Remainder (2) 2
Information 3 9 9
Remainder (3) 3