PROVING OF THE ASPECT OF SIGNAL AHEAD (GECR)
- In colour light signalling, there is a possibility of signal going blank due to lamp failures or power supply interruptions.
- This is undesirable since the Drivers are likely to miss the signal, which may result in an accident.
- To avoid this, it is a recent practice to prove the aspect of signal ahead in the rear signal.
- For example, for clearing a home signal, any one of the aspect of starters in advance will be proved.
- GECR is made slow to release to cater for the aspect changing of signal in advance.
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- In colour light signalling, there is a possibility of signal going blank due to lamp failures or power supply interruptions.
- This is undesirable since the Drivers are likely to miss the signal, which may result in an accident.
- To avoid this, it is a recent practice to prove the aspect of signal ahead in the rear signal.
- For example, for clearing a home signal, any one of the aspect of starters in advance will be proved.
- GECR is made slow to release to cater for the aspect changing of signal in advance.
-
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