Firstly, The Zerodha Pi Scanner works only between 9:15 am to 3:30 pm trading days.
So, if you are trying to scan stocks on Sunday or during midnight, please stop wasting time.
Secondly, The Zerodha Pi Scanner does not produce any Sound Alerts.
When using the Pi Scanner, to Identify stocks matching your screening condition, you need to watch this.
A YELLOW HIGHLIGHTER appears on the Alert Time Column of the Zerodha Pi Scanner.
When this Yellow Highlighter appears, it means a stock has matched your screening condition.
Is there a way to see previous generated alerts during the day?
Yes.
By sorting the ALERT TIME column to the latest time, you can check the most recent signals that was generated.