The software program is set in language Turbo Pascal 7.0. This decision
preceded unpleasant detection that AD transformer uses
direct access to computers' ports and it sends the data by link ended by
Canon 9 pin with its own non-standard connection.
The operating system Windows does not allow direct access to computers'
ports. It is theoretically possible to solve this problem in some
versions of the Windows but it requires a lot of knowledge of that
particular system (nowadays the students of FEI are solving this problem
in their long-lasting final work). Because of this the program is set in
Pascal and it also works in MS DOS. It is compatible with most computers
used today.