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Locked Newish Hattons MD4 decoder


 

Hi

I have just installed a recently purchased Hattons decoder into a loco. They still call it MD4 but it is quite different to the previous ones I have used as the green wire, as well as the usual purple wire, is not connected to the 8 pin plug. On finding the decoder type it identifies the manufacturer as Hattons but the version ID of 7 comes up as not defined. In the hope that it was similar to a previous version of the MD4 I opened the Hattons decoder definition and saw that the low and high version ID were set to 21 and changed the low ID to 7, saved the file and tried again but the same result. Choosing the defined MD4 allows programming to work OK. Is there anything else that needs to be changed to get this to auto identify as I have a good few more to do?

Thanks

Fraser

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