I cannot seem to figure out how to get this glance to say anything. Yes, I know it is activated over 2500 something feet, I have bene at 8000 steady for a few hours. It says nothing. Do I need to have pulseox on? Does it ever say anything? I tried turning pulseox "all day" mode and it didnt even say anything. Not sure how to activate it or what it even shows. Documentation is very blank in manual too.