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GLOSSARY (cont'd)
Multiplexing Display - A display on an instrument that alternates to show different information.
Multilevel Dive - A type of dive profile where the diver spends various times at different depths (opposite of a
Square Wave dive profile).
Nitrox - A nitrogen-oxygen breathing gas mixture that contains a higher fraction of oxygen than air.
Nitrox Dive - A dive conducted using nitrox (22 to 50 % O2) as the breathing gas.
NO DECO - Abbreviation for No Decompression
NO DECO Time Remaining - The amount of dive time remaining based on no decompression status.
No Decompression - Any part of a dive where the diver can surface without requiring a decompression stop.
O2 Bar Graph - A visual representation of oxygen accumlation on a dive computer display.
Oceanglo
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- An Oceanic name for an instrument backlight feature.
OceanLink™ - An Oceanic name for a high pressure hose quick disconnect device.
OTU - Abbreviation for oxygen tolerance unit. A Hamilton's Repex method term for oxygen dose.
Out of Range - The point at which a dive computer can no longer supply correct dive information.
Oxygen Tolerance - Dose or exposure to the physiological affects of elevated levels of oxygen.
Oxygen Toxicity - The adverse physiological affects of exposure to elevated levels of oxygen.
Partial Pressure - The proportion of the total pressure contributed by a single gas in a mixture of gases.
PDPS - Abbreviation for Pre Dive Planning Sequence
PO2 - Partial pressure of oxygen. The proportion of total pressure of a gas mixture contributed by oxygen.
Pre Dive Planning Sequence
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- A sequence of displays indicating available dive times at 10 foot (3 meter)
intervals from 30 to 160 feet (9 to 48 meters) used when dive planning.
Repetitive Dive - Any dive that takes place within 12 hours of a previous dive .
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