I figured out how to use it to my own satisfaction. I just get a relatively stable average number (lower right box on screen), note it, and click END. That gets around the unfortunate crash inevitability. I am using this for my athlete wellness daily worksheet.
Please fix App force close everytime we click END button
The closest to the official PVT test. Now in English! Screen should become blue again after test ends and the user starts a new test.
Dose not work
why alwas close?
Most Precise Heart Rate Monitor Ever + Unlimited Measurements and Records.