IBM 4400 User Manual
230
Chapter
7
Bar Codes
Readable Data
The optional readable data field provides a readable interpretation of the bar
code data. It can be printed above or below the bar code symbol.
code data. It can be printed above or below the bar code symbol.
Check Digit
The modulo-103 check digit is automatically calculated and inserted in the bar
code symbol. The check digit verifies accurate scanning. The start code is
included in the check digit algorithm.
code symbol. The check digit verifies accurate scanning. The start code is
included in the check digit algorithm.
NOTE: Access for the alternate set of control function characters is by using
SO (Shift Out, hex 0E). The SO control code identifies the next
character as the control function character, and must be inserted
before
character as the control function character, and must be inserted
before
each alternate character required. The SO character is
selectable from the printer's front panel (refer to your
User’s Guide).