Ovation-software Label Printer Manual de usuario descargar pdf (Pagina 25)

Ovation2 17

♦ Printing Labels

2.0 Introduction

Labels can be generated using RS-232 or parallel communications to

a host computer or a PC with a compatible labeling software package.

This chapter explains some of the basic programming commands that

are required when writing programs to generate label formats. A

programmer's manual can be obtained by mailing or faxing the

request card located in the back of this manual.

2.1 Programming Commands

In order to be ready for a command sequence, the printer must first

receive a special character called an “attention getter” that informs the

printer that it is about to receive a command and the type of command

it will be. Immediate commands, system-level commands, and font-

loading commands each have their own attention getter. The attention

getter character is followed by a command character that tells the

printer what action to take.

ASCII

Char.

Decimal

Value

HEX

Value

DOS

Prompt

Attention Getter For

SOH 1 01 Ctrl A Immediate Commands

STX 2 02 Ctrl B System-Level Commands

ESC 27 1B Ctrl [ Font-Loading Commands

Table 2-1 Attention Getters

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 65 66

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Ovation-software Label Printer Manual de usuario Pagina 25