I have just finished watching "The Ghan" on SBS. I thoroughly enjoyed the program and have a newfound respect for the NR class. I was hoping someone could outline the controls of the NR class to me, in particular the 2 handles on the left of the drivers position. In all the cab shots neither of these appear to be used by the driver (except as an arm rest).
I suppose it is a sign of the time that we live in, I am asking this out of genuine curiosity and nothing more sinister

Thanks in advance.
Regards
Andrew