Minitrix BR R 4/4 Manual página 11

Note on digital operation
• When operating in a digital system for the first time (SX or
DCC), the decoder must be set to this digital system. To do
this, the decoder must be programmed once in this digital
system (example: change the address).
General Note to Avoid Electromagnetic Interference:
A permanent, flawless wheel-rail contact is required in
order to guarantee operation for which a model is designed.
Do not make any changes to current-conducting parts.
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