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BR-4100 Bar Code Reader (RS232) 

 

Dip Switch Settings 

 
The switch block located on the bottom of the reader provides seven switches to configure the bar code 
reader. Turn off power before setting any switches to ensure they are properly loaded. 
 

 
Switch 1,2: 

Baud Rate

 

 

SW1 

SW2 

Baud Rate 

OFF 

OFF 

1200 

ON 

OFF 

2400 

OFF 

ON 

4800 

ON 

ON 

9600 

 

 
Switch 3,4: 

Parity

 

 

SW3 

SW4 

Parity 

ON 

ON 

EVEN 

ON 

OFF 

ODD 

OFF 

ON 

SPACE 

OFF 

OFF 

MARK 

 

 
Switch 5:

  Option to enable or disable STX (start of text) and ETX (end of text).  

These are ASCII codes whose values are 02h and 03h respectively, and can be preformed to 
pack together the normal data transmission. 
 

ON

 

Enable STX-ETX 

OFF

 

Disable STX-ETX 

 

 
Switch 6:

  Auto CR (carriage return). A carriage return will be sent after each read. 

 

ON

 

Enable CR 

OFF

 

Disable CR 

 

 
Switch 7:

  Option switch to select Extended Code 39 

 

ON

 

Enable Extended Code 39 

OFF

 

Disable Extended Code 39 

 

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