Suunto D4 Watch User Manual


 
Reduced Gradient Bubble Model
Modern algorithm for tracking both dissolved and free gas in divers.
Repetitive dive
Any dive whosedecompression time limitsare affected byresidual nitro-
gen 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 betweensurfacing from adive and beginning adescent for
the subsequent repetitive dive.
Tissue group
Theoretical concept used to model bodily tissues for the construction of
decompression tables or calculations.
Whole-body toxicity
Another form of oxygen toxicity, which is caused by prolonged exposure
to highoxygen partial pressures.The mostcommon symptoms areirrita-
tion inthe lungs,a burningsensation inthe chest,coughing andreduction
of the vital capacity. Also called Pulmonary Oxygen Toxicity. See also
OTU.
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