Unitech MS146 User Manual download pdf (Page 5)

MS146 Manual 1

INTRODUCTION

The MS146 is a family of bar code slot readers specifically designed for

reading ID, membershop, or other types of cards that contain bar codes.

The MS146 comes in four interfaces: PS/2, RS232, USB, and TTL Wand.

The MS146 also comes in two different optical types: Visible Light

(660nm) for reading normal bar codes, and Infrared Light (930nm) for

reading bar codes hidden behind an opaque security film.

MS146

Normal Operation

MS146A and MS146IA

The Undecoded (or TTL, or Wand) MS146A requires an external decoder

in order to communicate with your computer. Decoders are built into

Wedge devices and many POS (Point of Sale) keyboards, such as the

Unitech KP3700.

The MS146A cannot be configured via Scanner Configuration Manager.

Any modification of the output data must be done in the external decoder.

MS146-2 and MS146I-2

The RS232 (Com Port) interface should only be used when your software

is designed to accept com port input. The MS146-2 has a built-in decoder

and outputs the scanned data in ASCII Code. MS146-2 input requires

special software such as HyperTerminal (Bits per second: 9600, Data bits:

8, Parity: None, Stop bits: 1, Flow control: None) in order to view the

output.

The MS146-2 will require an optional power supply unless your computer’s

com port supplies power (unlikely).

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Unitech MS146 User Manual Page 5