An appliance transparency, such as an oven transparency, includes at least one substrate and a coating deposited over at least a portion of the substrate. The present invention further relates to a method of monitoring ion implantation processing. The play lists include information about advertisements to be played and the order of play. Prior to the control event and under an assumption that it is not to occur, power consumption behavior expected of the device is generated for a time period during which the control event is expected to occur based on the stored power consumption data. The invention is held in proper orientation by a snug, tight fit between the hitch post and base plate andor back plate to prevent displacement during use of the invention.