docs: def import_syscal_bin(self, filename, **kwargs):
          """Syscal import
  
          timestep: int or :class:`datetime.datetime`
              if provided use this value to set the 'timestep' column of the
              produced dataframe. Default: 0
  
          """
          timestep = kwargs.get('timestep', None)
          if 'timestep' in kwargs:
              del (kwargs['timestep'])
          self.logger.info('IRIS Syscal Pro bin import')
          with LogDataChanges(self, filter_action='import'):
              data, electrodes, topography = reda_syscal.import_bin(
                  filename, **kwargs
              )
              if timestep is not None:
                  data['timestep'] = timestep
              self._add_to_container(data)
          if kwargs.get('verbose', False):
              print('Summary:')
              self._describe_data(data)