The cognitive process involved in the driver’s correct interpretation of the
Display in the context of its surroundings. To correctly identify any possible
Displayed aspects and indications, when observing the SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. under the
conditions in which a train driver will view it. A SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. can only be read if all
the aspects and indications in a particular Performance CategoryAn equipment performance specification based on the distance at which a device is considered readable. Performance categories are defined in GK/RT0031, Table 4.... can be
Fixated simultaneously.