FĒNIX 9 SERIES Owner’s Manual

Viewing the Scuba Diving Glance

You can use the scuba diving glance to monitor your body’s recovery after a dive. After a dive, you may need to wait several hours before it is safe to fly on an airplane.

  1. From the watch face, press to view the scuba diving glance.
  2. Press to view your surface interval (SI) time, no-fly time remaining, and the time of day the no-fly period ends.
  3. Press to view your tissue load details, current oxygen toxicity units (OTU), and central nervous system (CNS) percentage.

NOTE: The OTU accumulated during a dive expire after 24 hours. For more information about the National Oceanic and Atmospheric Administration (NOAA®) OTU guidelines and calculations, see Garmin.com/garmin technology/dive-science.

OTU

Green: Under the NOAA recreational limit.

Yellow: NOAA recreational limit.

Red: NOAA military limit.

CNS

Green: 0 to 79% CNS oxygen toxicity.

Yellow: 80 to 99% CNS oxygen toxicity.

Red: 100% or greater CNS oxygen toxicity.
  1. Press to view the dive log of your recently recorded dives.