Printronix l7032 Verweishandbuch
UPC-A
279
Start/Center/Stop Codes
The Start/Center/Stop codes are special character codes which extend into
the printed data field area, marking the start, center, and stop portions of the
bar code. These codes are automatically provided.
the printed data field area, marking the start, center, and stop portions of the
bar code. These codes are automatically provided.
Number System Character
The number system character field allows you to apply a code to a class or
type of item and is printed in the left quiet zone. The first character in the data
field is used as the number system character.
type of item and is printed in the left quiet zone. The first character in the data
field is used as the number system character.
Data Field
The bar code symbol uses a series of varying width bars and spaces to
represent a limited character set (numbers 0-9 and Special Characters Start,
Center, and Stop). The bars and spaces vary in width from 1 through 4
modules. Each character consists of 2 bars and two spaces that total 7
modules. The symbol coding of the left data field is different from the right
data field to permit read direction sensing.
represent a limited character set (numbers 0-9 and Special Characters Start,
Center, and Stop). The bars and spaces vary in width from 1 through 4
modules. Each character consists of 2 bars and two spaces that total 7
modules. The symbol coding of the left data field is different from the right
data field to permit read direction sensing.
Readable Data
The human readable data field provides a readable interpretation of the bar
code data.
code data.
Check Digit
The modulo-10 check digit is automatically calculated and inserted in the bar
code symbol and printed in the right quiet zone, if specified. The check digit
provides the means to verify accurate scanning. The number system
character is included in the check digit algorithm.
code symbol and printed in the right quiet zone, if specified. The check digit
provides the means to verify accurate scanning. The number system
character is included in the check digit algorithm.