The complete filling of the brake system takes about 4 minutes.
This time must be waited before starting the actual samples.
After each control step you have to wait about a minute.
The time to reach the required pressure C is measured with a stopwatch.
Timing only starts at the first movement of the meter indicator.
The brake mass switch is set to the “loaded” position. Shift to “P” position
Brake switches
G = freight train
P = passenger train
GP = freight train, passenger train
GPP2 = freight train, passenger train, passenger train
P2 GPR = freight train, passenger train, rapid train (Rapid)