Casio IT-2000D - Manual (Page 51)

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2.3.9 Barcode Reader
Overview
The IT-2000 supports the following two Casio OBR (Optical Barcode Reader) models:
DT-9650BCR ( Pen scanner )
DT-9656BCR ( CCD scanner)
Connect the OBR to the COM1 (8-pin) port of this terminal, and set up the interface as follows.
Synchronization asynchronous
Baud rate 9600 bps
Data bit 8 bits
Parity bit none
Stop bit 1 bit
For communication between the OBR and this terminal use the OBR library. The various settings
such as an objective readout codes can be set up by transmitting the set up commands from this
terminal to the OBR.
Notes:

The OBR power is controlled by the OBR library function.

Before connecting the OBR to this terminal, turn off the main power.

Every OBR can write the current setup values in the EEPROM built into each OBR.
This ensures that the setup data is retained even when the power is off.
For more information about the OBR library, refer to Chapter 7.6.4 “OBR Library”.