The Software or Program instructs the computer on what to do. The Operating System is the master control program.

The program is setup with a series of Modules. The Modules are broken down by Menus.

The top left corner of each screen displays important information.

An example is "10   XXX   PM   Loc 1". The first number is the port number of that station. Next is the individual User Id, followed by the Account then the Location Number.