Non-automatic brakes still have a role on engines and first few wagons, as they can be used to control the whole train without having to apply the automatic brakes.
When the engine is at the back, the engineer controls the train from a cab in the front car.
These were developed into an autotrain system whereby the driver of a locomotive could control the train from a cab in the carriage, the forerunner of today's the familiar multiple unit trains.
TVM-430 has extensive redundancy built into it, and one might wonder why it is not used to control the train directly.
Like many other commuter rail systems in North America, all trains are operated with a cab car from which the engineer can control the train.
These include a change of throttle position, brake or horn operation, all indications that the driver is actively controlling the train.
Other consoles at each door opening allow the PSA to control door closure and make announcements whilst patrolling the train.
He is disguised at the train engineer and was controlling the train leading to a Sci-Fi Convention.
Driving cars are similar to a cab car, containing a driver's cab for controlling the train.
In Britain, a common method is to control the train through a Time-Division Multiplexed (TDM) connection.