Display System in Drivers Cabs (DDS)Train Radio Display (TRD)

Display System in Drivers Cabs (DDS)Train Radio Display (TRD)
Summary
defines the TRD function of the Driver Display System (DDS) for driver cabs for locomotives, EMU/ DMU and driving coaches.
fixes the rules associated with the functional requirements for driver cabs of EMU/DMU, locomotives and driving coaches.