You can program any waveform on your PC and, using a USB card, record it to the AC source or DC source and play it back at the output of the unit.
The SD-card reader can also take over the function data log, current operating values are stored on the SD-card in an adjustable interval.
Curves that you have configured can also be stored in the memory of the unit so that they can be called up again at any time.
You also have the option of adding values to and reading back from one of the numerous interfaces.