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Although breathing apparatus is not utilized for FREE Dive activities, nitrogen tissue loading remains a
factor. Nitrogen loading is calculated based upon a fixed FO2 of AIR. Since a user has the option of
alternating between NORM (SCUBA) and FREE Dive activities within a 24 hour period, nitrogen
calculations and the displayed value of No Deco Dive Time Remaining (NDC Time) are carried over
from one operating mode to the other, which permits the user to maintain awareness of nitrogen
absorption and offgasing status.
The mathematical model currently used in the ATOM is based on no decompression/decompression
multilevel repetitive dive schedules. This algorithm does not take into account the physiological
changes associated with the high pressures that competitive type Free diving can expose a diver to.
WARNINGS:
Ensure that you know which Operating Mode is selected (NORM, GAUG, or
FREE) prior to commencing any dive.
Conducting Free dives within a 24 hour period after conducting SCUBA dives,
combined with the effects of multiple rapid Free Dive ascents, increases your risk
of decompression sickness. Such activities may result in accelerated entry into
decompression which could cause serious injury or death.
Combining competitive type Free dive activities that involve multiple descents/
ascents with activities utilizing SCUBA during the same 24 hour period is not
recommended. Presently, there is no data relating to such activities.
It is highly recommended that anyone planning to become involved in
competitive type Free dive activities obtain proper instruction and training from
a recognized Free Diving trainer. It is imperative that the physiological affects
be understood and the diver is physically prepared.
ADDITIONAL INFORMATION PERTAINING TO FREE DIVE MODE
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