1.  Ensure that an antenna is connected to the RF407-series radio.
2.  If connecting via USB for the first time, you must first install USBdrivers using Device 
Configuration Utility (select your radio, then on the main page, click Install USBDriver).
3.  Connect the  USB  port on your RF407-series radio to your computer.
4.  Using Device Configuration Utility, select the Communication Port used for your radio and 
connect to the RF407-series radio.
13. Radio communications option55