def setHeader(self, fileHeader):
        """
        Sets the file header
        """
        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()
Sets the file header