3-Funktions-Knüppel-Schalter GOLD Graupner 4113.G The change-over switch in this transmitter stick features a centre position, and provides three switch functions. Can be used for auxiliary working systems such as flight phase switch in high-speed models and F3B gliders for launch, neutral and speed modes, or as a motor switch for off / half-throttle / full-throttle in F3E models.