A variably proportional mixing device is provided for automatically mixing two fluids stored in separate containers in various ratios without measuring, comprising a self-venting spout that attaches to an existing gas can or other container for storing a fluid having a threaded opening therein. Both methods may be triggered by a toggling switch on the media player. A method of employing a communications protocol between an electronic ballast and a facility control or monitoring system, such that the system can communicate with many adjustable ballast’s in a facility, and direct the ballast’s, collectively or individually, to change their power factor or light output status or harmonic characteristics. The trace display means displays the trace data corresponding to the time on the display unit.