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Decompression Ceiling - The shallowest depth a diver may reach upon ascent without risking decompression
sickness (also see TLBG)
Decompression Stop - The depth(s) at which a diver must pause during ascent to allow absorbed nitrogen to
escape naturally from the tissues
Depth Sensor - An electro-mechanical device that converts water pressure into an electrical signal, that is
converted to a visual depth display
Diagnostic Mode - The first display seen on dive computers after initial activation during which time a self–
check for internal faults is performed
Display - A visual readout of information
Dive Log Mode - A computer display of previous dive information
Dive Time Remaining - A display of the time before a diver must surface based on no-decompression status or
tank pressure
Graphic Diver Interface
™
- A feature of Oceanic dive computers. Easily understandable color coded bar graphs
that indicate diver status; green = normal, yellow = caution, red = danger.
Icon - a small pictorial representation of an operational mode
LCD - Abbreviation for liquid crystal display, an easily viewed low voltage display found on dive computers
Maximum Depth - The deepest depth attained during a dive
Mode - A specific set of functions in a dive computer
Modular Dive Computer - A dive computer that is not connected to the diver’s air supply
Multiplexing Display - A display on an instrument that alternates to show different information relating to
separate events
