Filter
Top Products
73
9. GLOSSARY
Altitude dive A dive made at an elevation greater than 300 m
[1000 ft] above sea level.
Apnea Absence of breathing. Freedivers are apneic throughout the
duration of their dive.
Ascent rate The speed at which the diver ascends toward the surface.
ASC RATE Abbreviation for ascent rate.
Ascent time The minimum amount of time needed to reach the surface
on a decompression stop dive.
DAN Divers Alert Network.
DCI Abbreviation for decompression illness.
Decompression illness
Any of a variety of maladies resulting either directly or
indirectly from the formation of nitrogen bubbles in tis-
sues or body fl uids, as a result of inadequately controlled
decompression. Commonly called ”bends” or ”DCI”.
Dive series A group of repetitive dives between which the dive comput-
er indicates some nitrogen loading is present. When nitro-
gen loading reaches zero the dive computer deactivates.
Dive time Elapsed time between leaving the surface to descend, and
returning to the surface at the end of a dive.