Paxar Monarch 9413 - Manual (Page 77)

O p t i o n 3 1 ( C a l c u l a t e C h e c k D i g i t )
The printer generates a check digit if you apply Option 31 to the
field. You cannot use this option if the field contains a UPC, EAN,
or Code 39 (with the MOD43 check digit) bar code.
Syntax R,31,gen/ver,check digit # p
R1. R Option Header.
R2. 31 Option 31.
R3. gen/ver Enter G to generate a check digit.
R4. check digit # Specifies a check digit scheme. Enter a number that
identifies a check digit scheme that has been defined. For
more information, see "Using Check Digits." Range: 1 - 10.
Example R,31,G,5 p
Generates a check digit using the previously defined check digit
scheme 5.
Defining Field Options 5-7