Suunto Vyper User Manual download pdf (Page 75)

No-decompression dive Any dive which permits a direct, uninterrupted

ascent to the surface at any time.

NO DEC TIME Abbreviation for no-decompression time limit.

OEA = EAN = EANx Abbreviation for Oxygen Enriched Air Nitrox.

OLF Abbreviation for Oxygen Limit Fraction.

OTU Abbreviation for Oxygen Tolerance Unit.

Oxygen Tolerance Unit Is used to measure the Whole-Body-Toxicity.

Oxygen Limit Fraction A term used by SUUNTO for oxygen accumulation/

exposure. A combination of CNS% and OTU%.

O2% Oxygen percentage or oxygen fraction in the

breathing gas. Standard air has 21% oxygen.

Oxygen partial pressure

Limits the maximum depth to which the used Nitrox

mixture can safely be used. The maximum partial

pressure limit for enriched air diving is 1.4 bar. The

contingency partial pressure limit is 1.6 bar. Dives

beyond this limit have the risk for immediate oxygen

toxicity.

Abbreviation for oxygen partial pressure.

RGBM Abbreviation for Reduced Gradient Bubble Model.

Reduced Gradient Bubble Model

Modern algorithms for tracking both dissolved and

free gas in the tissues of divers performing a wide

variety of maneuvers.

Repetitive dive Any dive whose no-decompression time limits are

affected by residual nitrogen absorbed during

previous dives.

Residual nitrogen The amount of excess nitrogen remaining in a diver

after one or more dives.

SURF TIME Abbreviation for surface interval time.

Surface interval time Elapsed time between surfacing from a dive and

beginning a descent for the subsequent repetitive

dive.

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Suunto Vyper User Manual Page 75