DCC has revolutionized model railroad operations. This book explains the basics of DCC systems and components, provides guidelines for choosing and installing a system, and shows how to install and program decoders. Learn how to properly wire a layout for DCC, convert an older DC-block-control layout to DCC, install or upgrade decoders in locomotives including sound decoders and speakers, use readily available software to program decoders, and control your trains using a smartphone or tablet.