After a voltage of opposite polarity is applied between electrodes of liquid crystal shutters for each of an odd number of colored lights emitted cyclically, a dummy operation of the liquid crystals is performed during a wait period until a next write command pulse is received. The hydraulic control system may have a tank, a pump, an actuator, and a control valve configured to direct fluid from the pump to the actuator and from the actuator to the tank. It is emphasized that this abstract is provided to comply with the rules requiring an abstract, which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. Windage is provided on a separate adjustment between the sight yolk and the rifle attachment, thereby isolating windage from position locking and simplifying the appropriate adjustments.