Using Digitrax PR3 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. Works as an MS100 replacement as well.
 
o USB 2.0 PC connectivity o Digitrax SoundLoader compatible. o Programs CV's for most DCC decoders o LocoNet MS100 mode o Runs on Windows XP, Vista and 2000 o Runs on Mac OS 10.4/10.5 with JMRI o No external power needed for MS100 mode o Automatic configuration. No jumpers or switches required o Firmware updates available from Digitrax web site o Meets FCC Class B requirements