docs: def parse_data_to_internal(self, data=None):
          """parse to internal
          """
          if data is None:
              f = open(self.location_dat, "rb")
              data = {
                  "PMCA SPECTRUM": {},
                  "DATA": [],
                  "DP5 CONFIGURATION": {},
                  "DPP STATUS": {}
              }
              delimiter = {
                  "PMCA SPECTRUM": " - ",
                  "DP5 CONFIGURATION": "=",
                  "DPP STATUS": ":"
              }
              comments = {
                  "PMCA SPECTRUM": None,
                  "DP5 CONFIGURATION": ";",
                  "DPP STATUS": None
              }
              for e in f:
                  if "<<" in e:
                      if "<<END>>" in e:
                          current = None
                      elif "<<PMCA SPECTRUM>>" in e:
                          current = "PMCA SPECTRUM"
                      elif "<<DATA>>" in e:
                          current = "DATA"
                      elif "<<DP5 CONFIGURATION>>" in e:
                          current = "DP5 CONFIGURATION"
                      elif "<<DPP STATUS>>" in e:
                          current = "DPP STATUS"
                      elif "<<ROI>>" in e:
                          current = "ROI"
                  else:
                      if current == "DATA":
                          data["DATA"].append(float(e))
                      elif current == "ROI":
                          continue
                      elif current is not None:
                          e = e.split("\r\n")[0]
                          if comments[current] is not None:
                              e = e.split(comments[current], 1)[0]
                          e_list = e.split(delimiter[current], 1)
                          data[current][e_list[0]] = e_list[1]
              f.close()
          self.save_to_internal(data)