code: def setHeader(self, fileHeader):
          
          self.technician = fileHeader["technician"]
          self.recording_additional = fileHeader["recording_additional"]
          self.patient_name = fileHeader["patientname"]
          self.patient_additional = fileHeader["patient_additional"]
          self.patient_code = fileHeader["patientcode"]
          self.equipment = fileHeader["equipment"]
          self.admincode = fileHeader["admincode"]
          self.gender = fileHeader["gender"]
          self.recording_start_time = fileHeader["startdate"]
          self.birthdate = fileHeader["birthdate"]
          self.update_header()
docs: Sets the file header