A specially moulded sector (of nominal angle 56°) in the front lens of a
long-range Colour Light SignalA Signal that conveys its information by coloured lights. More, that acts to deflect a proportion of the light
away from the Axis by a significant angle. The effect of the CVS is to
render the aspectAny valid visual indication of a Signal as displayed to the driver. More visible from the cab of a train when very close to the
SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More (typically within 20 m).