The invention relates to a process for calibration of a medical-technical device which is in operation as a result of mounting a new component on the medical-technical device. The invention moreover relates to a medical-technical device which is made such that it automatically identifies the new component when a new component is mounted on the medical-technical device and displays the necessary steps for calibration of the medical-technical device based on the identification. The medical-technical device however can also be made such that it automatically identifies the newly attached component after its identification.