Changing the Pulse Oximeter Tracking Mode
- Hold .
- Select Settings > Watch Sensors > Pulse Oximeter > Tracking Mode.
- Select an option:
- To turn on measurements while you are inactive during the day, select All Day.
NOTE: Turning on pulse oximeter tracking decreases battery life.
- To turn on continuous measurements while you sleep, select During Sleep.
NOTE: Unusual sleep positions can cause abnormally low sleep-time SpO2 readings.
- To turn off automatic measurements, select On Demand.