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When does the 'A' marker get illuminated in a Semi-Automatic Stop signal
When the signal works as an Advance Stop signal
When the signal works as a Semi-Automatic Stop signal
When the signal works as an Automatic Stop signal
When the signal works as a Manual Stop signal
When the signal works as an Automatic Stop signal
In Indian Railways signaling, the 'A' marker on a Semi-Automatic Stop signal is illuminated when the signal is working as an Automatic Stop signal, allowing the train to pass at restricted speed if the signal is at 'on' position.
In Indian Railways signaling, the 'A' marker on a Semi-Automatic Stop signal is illuminated when the signal is working as an Automatic Stop signal, allowing the train to pass at restricted speed if the signal is at 'on' position.