the difference between the various decoder versions such as mfx, fx, etc.? - Technical tip 303 The most important types of decoders from the history of Märklin Digital can be found in the following Technical [...] Questions about Märklin digital What is the difference between the various s88 feedback modules? - Technical tip 322 Various generations of s88 feedback modules have been offered by Märklin over the course [...] can an area of track be controlled digitally to turn off the current?- Technical tip 310 In addition to the signal technology, the digital technology with the k84 decoder is also available for this purpose...