Using Bluetooth 6 - 11
Figure 6-10    
WWAN Bluetooth Audio Notification Dialog Box
Serial Port Services
Use the wireless Bluetooth serial port connection as you would a physical serial cable connection. Configure the 
application that will use the connection to the correct serial port.
To establish a serial port connection:
1. Ensure that Bluetooth is enabled and discoverable on both devices.
2. Ensure that the two devices are within 30 feet (10 meters) of one another.
3. Tap  Start > Settings > Connections tab > Bluetooth icon > Devices tab.
4. Tap  Add new device. The MC75A begins searching for discoverable Bluetooth devices in the area.
5. Select a device from the list.
6. Tap  Next. The Enter Passcode window appears.
7. Enter the Passcode and the tap Next. The device is added to the Bluetooth list.
8. In the device list, tap the serial device. The Partnership Settings window displays.
9. Select the Serial Port checkbox.
10. Tap  Save.
11. Tap  COM Ports tab.
12. Tap  New Outgoing Port. The add device window appears.
13. Select the serial device in the list and then tap Next.
14. Select a COM port from the drop-down list.
15. Tap  Finish.
NOTE If Smart-pairing is configured and the device is requesting one of the pre-defined PINs, the Enter 
Passcode window does not appear.
NOTE No connection is made at this point. An application must open the selected COM port to trigger Microsoft 
Bluetooth stack to open the connection.