Design Aeris Specifications Page 18

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DIVE TIME REMAINING
One of the most important pieces of information on Aeris dive computers is the 'Dive Time Remain-
ing numeric display'. The ATMOS
ai
constantly monitors no decompression status, oxygen accumula-
tion, and breathing gas consumption rate.
The Dive Time Remaining* display will indicate the time that is more critical for you at that
particular moment (i.e.; whichever time is the least amount available). The specific time being
displayed is identified by the No Decompression Dive Time icon, the O2 Time icon, or Tank icon.
(* This unique feature has been granted U.S. Patent No. 4,586,136.)
No Decompression Dive Time Remaining
No Decompression Dive Time Remaining is the maximum amount of time that you can stay at your
present depth before entering a decompression situation. It is calculated based on the amount of ni-
trogen absorbed by hypothetical tissue compartments. The rates each of these compartments absorb
and release nitrogen is mathematically modeled and compared
against a maximum allowable nitrogen level. Whichever one is
closest to this maximum level is the controlling compartment for
that depth. Its resulting value will be displayed numerically (Fig.
10a) along with the No Decompression Dive icon and graphically
as the Nitrogen Bar Graph (Fig. 10b).
As you ascend from depth following a dive that has approached the
no decompression limit, the Nitrogen Bar Graph will recede as con-
trol shifts to slower compartments. This is a feature of the decom-
pression model that is the basis for multilevel diving, one of the
most important advantages that Aeris dive computers offer.
Fig. 10 - No Decompression
Dive Time Remaining
a
b
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