docs: def get_headers_global():
          """Defines the so-called global column headings for Arbin .res-files"""
          headers = dict()
          # - global column headings (specific for Arbin)
          headers["applications_path_txt"] = 'Applications_Path'
          headers["channel_index_txt"] = 'Channel_Index'
          headers["channel_number_txt"] = 'Channel_Number'
          headers["channel_type_txt"] = 'Channel_Type'
          headers["comments_txt"] = 'Comments'
          headers["creator_txt"] = 'Creator'
          headers["daq_index_txt"] = 'DAQ_Index'
          headers["item_id_txt"] = 'Item_ID'
          headers["log_aux_data_flag_txt"] = 'Log_Aux_Data_Flag'
          headers["log_chanstat_data_flag_txt"] = 'Log_ChanStat_Data_Flag'
          headers["log_event_data_flag_txt"] = 'Log_Event_Data_Flag'
          headers["log_smart_battery_data_flag_txt"] = 'Log_Smart_Battery_Data_Flag'
          headers["mapped_aux_conc_cnumber_txt"] = 'Mapped_Aux_Conc_CNumber'
          headers["mapped_aux_di_cnumber_txt"] = 'Mapped_Aux_DI_CNumber'
          headers["mapped_aux_do_cnumber_txt"] = 'Mapped_Aux_DO_CNumber'
          headers["mapped_aux_flow_rate_cnumber_txt"] = 'Mapped_Aux_Flow_Rate_CNumber'
          headers["mapped_aux_ph_number_txt"] = 'Mapped_Aux_PH_Number'
          headers["mapped_aux_pressure_number_txt"] = 'Mapped_Aux_Pressure_Number'
          headers["mapped_aux_temperature_number_txt"] = 'Mapped_Aux_Temperature_Number'
          headers["mapped_aux_voltage_number_txt"] = 'Mapped_Aux_Voltage_Number'
          headers["schedule_file_name_txt"] = 'Schedule_File_Name'  # KEEP FOR CELLPY FILE FORMAT
          headers["start_datetime_txt"] = 'Start_DateTime'
          headers["test_id_txt"] = 'Test_ID'  # KEEP FOR CELLPY FILE FORMAT
          headers["test_name_txt"] = 'Test_Name'  # KEEP FOR CELLPY FILE FORMAT
          return headers