code: def freeze(self):
          
          self.app.disable()
          self.clear.disable()
          self.nod.disable()
          self.led.disable()
          self.dummy.disable()
          self.readSpeed.disable()
          self.expose.disable()
          self.number.disable()
          self.wframe.disable(everything=True)
          self.nmult.disable()
          self.frozen = True
docs: Freeze all settings so they cannot be altered