[ATPM Driving/TSR] C151C Set 709/710 Kranji To Marsiling

Due to temporarily speed restrictions(TSR) Kranji to Marsiling stretch was under automatic train protection mode(ATPM) on both bounds
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Recorded on October 17 2023
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[@RhythmRides_Official]

Nice catch. 1 question: how do you know there’s this going on?