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.
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From the watch face, press
to view the scuba diving glance.
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Press
to view your surface interval (SI) time, no-fly time remaining, and the time of day the no-fly period ends.
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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/dive/cns-otu.
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.
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Press
to view the dive log of your recently recorded dives.