The given UDP port is checked for validity. A valid port number is ranging from 0 thru 65535.If an invalid port number is entered, the entry is ignored and the default port will be used.UDP Destination Port
The PC Control Software uses a default UDP destination port, most likely 0 or 16384(0x4000). By using 0, the destination UDP port value is copied from the last received UDP packet. To change this, add the following line to the UDP section: