A lever, switch, signalling panel button, VDUA screen on which various types of information is displayed. More monitor target etc which is
operated by the SignallerA person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box. More to set pointsItems of permanent way which may be aligned to one of two positions, Normal or Reverse, according to the direction of train movement required. More and routes, ClearA Colour Light Signal that is displaying a Proceed Aspect or a Semaphore Signal in the Off position. More and replace
Signals and operate other Signalling Functions.