No 2 Cab - TPWS Warning lights in elevated top left position.
Brake Demand - Flashes red until acknowledged. Steady red once acknowledged.
Temp. Isolation / Fault - Flashes yellow if a fault has been detected or if train starts over a TPWS loop. Steady indication (on) if temporary isolation has taken place eg temporary block working/Emergency Special Working
Train Stop Override - Press the button if need to pass a signal at danger. Lamp will illuminate and go out when TPWS receiver passes over the loop.