The system includes the generator with digital interface for control and a handheld transformer and coil. The MPC control provides power regulation, alarms and cooling water flow data. There is an optional semi-automatic mode with energy control available. Temperature feedback can help control the heating cycle, and pre-programmed heating cycles can be stored in memory. Digimac is used for various industrial applications including heat straightening metal parts, welding cooling pipes, paint and varnish cleaning and sealing.