13 
3.2.3   Dip Switch Functions  
 
Note: Programmer’s refer to Developer Manual for more information 
 
Table 3 – DIP Switch Setting 
The APEX 4 printers support USB*
1
, Bluetooth™, Serial and Wi-Fi communication.  Settings can 
be changed via a DIP switch located on the battery compartment as shown in Figure 10
. 
 
 Switch # 
Notes 
Communication Interface 
SW 1  SW 2  SW 3  SW 4  SW 5  SW 6  SW 7  SW 8   
RS232 
OFF  OFF             
Baud rate set by Dip 
switches 3,4 and 5 
1
IrDA 
ON 
OFF             
Baud Rate can be 
negotiated  up to the 
value specified through 
Dip switches 3,4 and 5 
Bluetooth or 802.11g 
OFF 
ON 
             
N/A 
ON ON 
            Setting not supported 
2
USB 
 X  X  
    OFF  OFF 
ON 
   
3
USB Bootloader 
 X  X  
   
ON 
OFF 
ON 
   
4
Baud Rate 
    SW 3  SW 4  SW 5        RS232 and IrDA only  
115200 
    OFF  OFF  OFF         
57600 
   
ON 
OFF  OFF         
38400 
    OFF 
ON 
OFF         
19200 
   
ON ON 
OFF         
14400 
    OFF  OFF 
ON 
       
9600 
   
ON 
OFF 
ON 
      Use for fixed IrDA 
2400 
    OFF 
ON ON 
       
1200 
   
ON ON ON 
       
Parity Bit 
          SW 6  SW 7     
Parity Enabled (ODD) 
          ON  ON    Does not apply for IrDA 
Parity Enabled (EVEN) 
         
ON 
OFF    Does not apply for IrDA 
Auto Power Save 
               SW 8   
Power Save Enabled 
              ON  Auto Power Down 
Power Save Disabled 
              OFF  Manual On/Off 
 
1
 If IrDA is not installed, printer will default to RS232 mode with baud rate 115200 
2
X stands for Don’t Care: Dip Switch 7 will override 1 and 2  
3
Firmware Applies to Apex 4 - Version 1.10 or later. 
4
Baud Rate and Parity are applicable to RS232 and IrDA communication mode ONLY 
 
Note: In order for changes to the dip switch configuration to take effect, the printer power must 
be reset. This action occurs automatically when the battery is removed to gain access to 
the dip switches.