#HANDLE
0 = Control type.
8 = Number of power steps.
6 = Number of brake steps.
0 = Number of steps required to reduce power
NOTE: If the power reduction value is more than zero you will have to
back off on the power controller by that many steps to reduce motor power.
Control type:
0 = Two handles
1 = One handle.
NOTE: Brake steps do not apply to straight air brakes which have 3 main settings (RL,LP,SV),
RL = Release, LP = LAP (holds the currently set pressure), SV = Apply service brake.