Printronix ThermaLine Series manual Ocr±B

D	The printable character (delimiter) identifying the start
	and finish of the data field. Enter any printable
	character other than a slash (/), the SFCC, or a
	character used within the data. The same character
	must be used at both ends of the data field but it will
	not print with the data.
data field	The characters available for the data field are 0 through
	9 (30 through 39 hex, respectively).
	For UPC±E, eleven digits are expected: Enter the
	number system character first by entering 0; followed
	by the five±digit Manufacturer Number; ending with
	the five±digit Item Number. The Manufacturing
	Number and Item Number sequences must conform to
	one of the number pattern sequences shown in
	Table 5±17.
	The IGP/PGL will compress the 11 characters of data
	down to the six encoded UPC±E symbol characters.
	Include the 2± or 5±digit add±on data within the
	delimiter at the end of this data field.
	For UPC±E0, six digits are expected. These six digits
	must be a valid compressed UPC±E number.
	Otherwise, Error 96 (bar code data field has illegal
	number) will be generated.
PDF	Optional parameter which affects printing of the
	human readable data field. The data field will print
	automatically unless the PDF±suppress command is
	specified in the FONT parameter. UCR-B characters
	can be printed above or below the bar code symbol.
	This parameter is not allowed if a null data field is
	specified. If the PDF is not entered in the UPC±E
	command format, the data field automatically prints in
	OCR±B.

Bar Codes 5±115