15 
 
3.5  Bluetooth Communications 
• 
For Bluetooth operation: Dip Switch #1 must be in the <OFF> position. Dip Switch #2 
must be in the <ON> position. 
 
Note: Adjust baud rate settings to match those of the Bluetooth module in your computing 
device. 
 
•  The printer can be powered up by pressing the power <ON/OFF> switch. 
•  Pressing the power <ON/OFF> switch again will turn the printer <OFF>. 
 
Note: It is necessary for the mobile computing device you are using to discover and pairing the 
printer to establish Bluetooth communication.  
 
Note: Systems Integrators: Refer to the Bluetooth manual provided with your mobile computer 
and the Bluetooth section of the APEX 4 Developer’s Manual 
 
3.6  802.11 Communications (Option) 
• 
For 802.11g operation: Dip Switch #1 must be in the <OFF> position. Dip Switch #2 
must be in the <ON> position. 
 
Note: Adjust baud rate settings to match those of the 802.11 module in your computing device. 
 
•  The printer can be powered up by pressing the power <ON/OFF> switch. 
•  Pressing the power <ON/OFF> switch again will turn the printer <OFF>. 
 
Note: It is necessary that the 802.11b/g settings match the settings of your wireless network 
(Infrastructure or Ad-Hoc mode). Refer to the instructions provided by the network 
administrator. 
 
Note: Systems Integrators: Refer to the Developer’s Manual for a detailed description of the 
default Wi-Fi settings of the APEX 4. 
 
3.7  Serial RS232 (Option) 
• 
All Dip Switches must be in the <OFF> position. 
•  The printer can be powered up by pressing the power <ON/OFF> switch. 
•  The standard communication speed is 115200 bps. Refer to Table 2 for a description of 
the bit parity settings. 
•  Pressing the power switch again will turn the printer <OFF>.