User`s manual
1
Chapter 1 
Overview 
Introducing the MS839 
As a keyboard scanner supports most of the popular PCs and IBM terminals. 
As a RS232 serial scanner sends data by using RS232 communication protocol. 
The communication speed (baud rate) ranges from 300 bps to 38400bps. 
As a RS232 terminal interface, systems with ANSI ASCII communication 
environment such as UNIX, XENIX are installed between a host computer and 
a terminal and supports full duplex and block communication modes. 
As a wand emulation scanner, the output of the scanner emulates a wand 
scanner output. Two output formats are supported. Code 39 format and Native 
Code 39 format, the scanner always outputs the same data contents but with 
Code 39 what symbology. Native scanner the same contents and symbology 
as the scanned label. 
The scanner supports the following bar code symbologies: 
   Code 39 Standard and Full ASCII    Codahar 
   UPC/EA.N with supplement codes    UCC/EAN128 
   Interleaved 2 of 5     Code 32 (Italian pharmacy) 
   Standard 2 of 5     Code 93 
   MSI code     Code 128 
   Plessey code     China Postal Code   
(Toshiba Code) 










