code: def setAutoRangeOff(self):
          
          # TODO: catch exceptions. How?
          # /argos/hdf-eos/DeepBlue-SeaWiFS-1.0_L3_20100101_v002-20110527T191319Z.h5/aerosol_optical_thickness_stddev_ocean
          if self.getRefreshBlocked():
              logger.debug("setAutoRangeOff blocked for {}".format(self.nodeName))
              return
  
          if self.autoRangeCti:
              self.autoRangeCti.data = False
  
          self._forceRefreshAutoRange()
docs: Turns off the auto range checkbox.
              Calls _refreshNodeFromTarget, not _updateTargetFromNode, because setting auto range off
              does not require a redraw of the target.