Setting the Pulse Oximeter Mode

  1. From the watch face, hold .
  2. Select Watch Settings > Health & Wellness > Pulse Oximeter.
  3. Select an option:
    • To turn on measurements while you are inactive during the day, select All Day.

    NOTE: Turning on All Day mode 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.