digitrax pr4 programmer usb/loconet

Digitrax -- PR4 USB-to-LocoNet Interface -- Includes Decoder Programmer -- The Digitrax PR4 PR4 USB to LocoNet Interface with Decoder Programmer seamlessly switches between computer interfact and decoder programming modes automatically without having the press any buttons. PR4 is electrically isolated between USB and LocoNet for stability and protection. Using Digitrax PR4 Programmer and Digitrax SoundLoader software with your PC and programming track, you can create, manage, test and download sound projects (.spj files) in your Digitrax SoundFX decoders for easy sound customization.