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M3000 Portable Bar Code Reader User's Guide

7-6

PCOM COMMUNICATION SOFTWARE

PCOM is a communications program that runs on any MS DOS compatible computer which allows

you to transfer files between a PC and your Model 3000 portable bar code reader. PCOM even

provides an automated unattended file reception mode (Auto Receive).

PCOM has five Menu Options. These are SETUP, SEND FILE, RECEIVE FILE AUTO

RECEIVE, and EXIT PROGRAM. Below is a description of each Menu Option.

SERIAL PORT SETUP. The Serial Port section of the SETUP menu defines the serial port

parameters. This setup procedure is used for both sending and receiving files.

SERIAL PORT defines which communication port will be used. PCOM supports two serial

ports:

NOTE: If you have a serial port board which allows you to set the interrupt and port addresses use

the following assignments for COM1 and COM2:

COM1 COM2

Interrupt IRQ4 IRQ3

Port Address 3F8 Hex 2F8 Hex

BAUD RATE. This option defines the speed of the serial port. PCOM supports many data

transmission speeds: 300, 600, 1200, 2400, 4800, 9600, 19200, and 38400 bps.

NOTE: If you experience loss of data during serial communication, reduce the BAUD Rate.

DATA BITS. This option defines the number of data bits used during serial communication.

PCOM supports both 7 and 8 data bits.

STOP BITS This option defines the number of stop bits used during serial communication.

PCOM supports both 1 and 2 stop bits.

PARITY This option defines the type of parity used during serial communication. PCOM

supports three different parity settings: 1) NONE, 2) ODD, and 3) EVEN.

Selecting a Protocol

The Protocol Section of the SETUP contains options specific to the protocol used for file transfer.

PROTOCOL This option defines the protocol being used during file transfer. PCOM supports

three different protocols 1) NONE, 2) XON/XOFF, and 3) XMODEM.

NOTE: When using the XMODEM protocol, PCOM will support both XMODEM Checksum,

and XMODEM CRC.

XON/XOFF BEEP. This option is only applicable when the XON/XOFF protocol is being used.

This option indicates whether a beep will occur whenever a XOFF state occurs. This may occur

when the sender receives an XOFF from the receiver.

XMODEM RETRIES. This option is only applicable when the XMODEM protocol is being

used. This option defines how many times that the same block will be resent when an error occurs

before PCOM will abort the file transfer.

Auto Receive Mode

INTERFACE. This option defines the type of interface PCOM will be using for file transfers.

PCOM supports both a DIRECT connect, and Hayes compatible modem communications.

FILE MODE. This option defines how the files will be collected during the auto receive mode.

APPEND. In this mode, PCOM appends all received files to the same filename. The user

specifies the filename before entering the auto receive function.

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AML M3000 Guide de l'utilisateur Page 100

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