How to convert the PL7-2 Program back to Unity Pro.
While installing the PL7 Pro software V4.5 there is option to install the PL7-2 converter.So install this converter along with
the PL7 Pro software V4.5.Once install this software can be used to convert the program to PL7 format. The PL7 program format
can be easily open in the Unity Pro software. The file extension *.DAT, *.FEF and *.DFB are supported by Unity Pro Software.