The track was Lime Rock in Conn. US. Does have start finish triggers. Wasn't using video. Did update the app to 15.0.2

Had first track day recently. Used HLT last year at the same track with no problems. Updated it before this last use and lost data from previous session. Also this time it only timed the first lap. Three sessions on track and the same thing each time. A friend had HLT running at the same time and it...