a-a-a-nd Back To The Topic...
Listened to it myself and yes it is audible. But.. unless it becomes SOP to select the marker ident at all times then, for my tuppence-ha'pennyworth, the kind of series of events that lead to r/w incursions would not be stopped by selecting marker audio. Or in Dunspeak... Would the KLM skipper in Tenerife bothered with such a "trivial distraction"?