Adapter circuit board to be able to plug in the new 55029 large scale decoder to the 60971 Märklin decoder programmer, which has an easy USB connection to a PC/laptop. The Märklin Decoder Tool software is also required, which can easily be downloaded from the Märklin website (www.maerklin.de under Service/Downloads/Nachrüstdecoder/mLD3/mSD3).

This means that existing or self-recorded sounds can be easily transferred, and other settings such as maximum speed, braking behavior, etc. can also be programmed very easily and quickly.