Dcc Model Train Sets Genuine are found anywhere; but look here for it's information. You control the locomotive, not the layout. To explain what command control is, some historical background is needed. Now while reading about Dcc Model Train Sets Genuine, don't you feel that you never knew so much existed about Dcc Model Train Sets Genuine? So much information you never knew existed. Digital Command Control (DCC) is a standard for a system for the digital operation of model railways that permits locomotives on the same electrical section of track to be independently controlled. Even the beginner will get to learn more about Dcc Model Train Sets Genuine after reading this article. It is written in easy language so that everyone will be able to understand it. Digital Command Control is a mechanism for controlling locomotives, and therefore trains, in a more realistic fashion than an old rheostat-based power pack. At the very basic level, all that is needed is two wires run to the track.