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ADDITIONAL INFORMATION PERTAINING TO FREE DIVE MODE
• 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 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 models currently used in the GEO 2 are based on no decompression/
decompression multilevel repetitive dive schedules.
• These algorithms do not take into account the physiological changes associated with the high
pressures that competitive type Free diving can expose a diver to.
ADDITIONAL 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.