code: def _get_receiver_name(self):
          
          # If name is not set yet, get it from Main Zone URL
          if self._name is None and self._urls.mainzone is not None:
              name_tag = {"FriendlyName": None}
              try:
                  root = self.get_status_xml(self._urls.mainzone)
              except (ValueError,
                      requests.exceptions.RequestException):
                  _LOGGER.warning("Receiver name could not be determined. "
                                  "Using standard name: Denon AVR.")
                  self._name = "Denon AVR"
              else:
                  # Get the tags from this XML
                  name_tag = self._get_status_from_xml_tags(root, name_tag)
                  if name_tag:
                      _LOGGER.warning("Receiver name could not be determined. "
                                      "Using standard name: Denon AVR.")
                      self._name = "Denon AVR"
docs: Get name of receiver from web interface if not set.