24EnglishPTT index screenThis screen allows you to measure your health data. Your ASUS VivoWatch5 can also estimate your emotional stress by using the PTT (Pulse TransitTime) Index.Swipe right from the Home screen to enter the PTT index screen. Placeyour thumb and index finger onto the electrode and the PPG sensor.Visit our FAQ page for more information on PTT indexmeasurement at https://www.asus.com/Mobile/Wearable-Healthcare/VivoWatch/ASUS-VivoWatch-5-HC-B05/HelpDesk_knowledge/.