Perk up your presentation with these facts of Dcc Model Trains For Sale. Digital Command Control is a mechanism for controlling locomotives, and therefore trains, in a more realistic fashion than an old rheostat-based power pack. After many hopeless endeavors to produce something worthwhile on Dcc Model Trains For Sale, this is what we have come up with. We are very hopeful about this! You control the locomotive, not the layout. Never be reluctant to admit that you don't know. There is no one who knows everything. So if you don't know much about Dcc Model Trains For Sale, all that has to be done is to read up on it! As you may have already discovered, controlling a model train is a rather simple matter. To explain what command control is, some historical background is needed. 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.