This leaflet:
defines the TDD function of the Driver Display System (DDS) for driver's cabs for locomotives, EMU/DMU and driving coaches,
fixes the rules associated with the functional requirements for driver's cabs of EMU/DMU, locomotives and driving coaches.
UIC OR 612-03-2011 history
2011UIC OR 612-03-2011 Display system in driver's cab (DDS) technical and diagnostic display (TDD)