Bar Code Commands
Toprint bar codes with the Native 4247 commands, use the SELECT and PRINT
commands. Both commands are required.
Command Purpose
SELECT vSelect the type of bar code to be printed.
vDetermine the bar code height.
vDetermine whether or not to print human readable information.
PRINT vCauses the bar code to print on the paper
vDetermines the position on the line at which the bar code will print.
Note: The PRINT command will permit multiple bar codes to be printed on a single line
using a single PRINT command. Youalso may issue multiple PRINT commands for a single
SELECT command, if the format and bar code topology do not change.
The following pages show the general command structure for all bar code types.
See “Valid Bar Code Data”on page 177 for specific bar code types, valid data field
contents, and control information.
Notes:
1. Highlighted fields require input as defined below each table.
2. Decimal values shown are for use in application programs.
SELECT Command Format
ASCII DC4 DC4 ESC ! HT BT HR EM
HEX 14 14 1B 21 HT BT HR 19
DECIMAL 20 20 27 33 HT BT HR 25
AppendixC. Native 4247 Commands 173