A non-transitory computer-readable recording medium with instructions stored thereon, that when executed by a processor, cause a machine for harvesting root crops and/or for separating root crops to execute the following steps:
- capturing, by means of at least one electromagnetic or acoustic image acquisition unit, an inspection image of at least one portion of material moved relative to a frame of the machine by a transport element,
- generating, on the basis of at least one inspection data set generated using the inspection image and/or formed by this image, via an evaluation device, an adjustment signal for adjusting at least one operating parameter of the transport element and/or a further transport element of the machine,
- determining at least one feature for describing a capability of additionally conveyed soil to be screened by the evaluation device, and
- using the at least one feature for adjusting the at least one operating parameter.