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Profile
Hydroglow - A Sherwood Scuba term for an instrument backlight feature.
LCD - Abbreviation for liquid crystal display, an easily viewed low voltage display usually found on dive computers
Log Mode - A computer display of previous dive information.
MAX - Abbreviation for Maximum Depth.
Maximum Depth - The deepest depth attained during a dive or allowed by the Plan Mode.
Mode - A specific set of functions in a dive computer.
Multi-level Dive - A type of dive profile where the diver spends various times at different shallower depths (opposite of a Square Wave dive profile).
NDL - Abbreviation for No Decompression Limit (No Decompression Dive Time Remaining).
Nitrogen Bar Graph - A graphic display of simulated nitrogen absorption.
No Decompression - Any part of a dive where the diver can surface without requiring a decompression stop.
No Decompression Limit - The amount of dive time remaining based on no-decompression status.
Out of Range - The point at which a dive computer can no longer supply correct dive information.
Partial Pressure - The proportion of the total pressure contributed by a single gas in a mixture of gases.
Plan Mode - An accessible sequential display of available dive times at 10 foot. (3 meter) intervals from 30 to 190 feet. (9 to 57 meters) used when dive
planning.
Repetitive Dive - Any dive that takes place within 12 hours of a previous dive.
Safety Stop - A depth at which a diver may choose, but is not required, to pause during ascent to allow absorbed nitrogen to escape naturally from the tissues.
Square Wave Dive - A type of dive profile where the entire dive is spent at one depth between descent and ascent.
Symbol - A small pictorial representation of an operational mode or informational display.
TAT - Abbreviation for Total Ascent Time.
Tissue - See Compartment.
Tissue Compartment - See Compartment.
Transducer - An electro-mechanical device in a dive computer that acts as a depth or pressure sensor.
Transition Period - The first 10 minutes of surface time after ascending above 3 feet (1 meter) from a dive.
GLOSSARY (continued)
