Operation Manual
User Manual 1
Chapter 1
Datalogic™
 JavaPOS Device Services
Introduction
Document Conventions 
Formatting conventions are used throughout this guide to provide a consis-
tent method for representing screen shots and command entries. 
Notes contain additional information of interest to the reader.
Filenames, paths, field selections, and data or keystrokes entered by the 
user are shown in this monospaced typeface.
Controls including command bar sequences, prompts, fields, 
checkboxes 
and radio-buttons 
are printed in this bold typeface.
About Datalogic JavaPOS Device Services
These Device Services are current to UPOS version 1.13, published in Janu-
ary 2004. These Device Services provide support for al
l functionality 
described in the 
Unified POS Retail Peripheral Architecture
, version 1.13 and 
the JavaPOS appendix to that spec. It is available online from the National 
Retail Federation at 
http://www.javapos.com/.
In addition, Direct IO support is provided for all commands documented in
IBM’s Universal Serial Bus OEM Point-of-Sale Device Interface Specification, 
Version 1.29., and for limited commands in the RS-232 and RS-232 Single 
Cable interfaces. Instructions for accessing Direct IO commands are pro-
vided later in this document.










