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BAR GRAPHS
The ZEN features 3 Bar Graphs >> NiBG, O2BG, and ASC.
NiBG (Nitrogen Loading Bar Graph)
The NiBG (Fig. 22a) represents tissue loading of nitrogen,
showing your relative no decompression or decompression
status. As your depth and elapsed dive time increase, segments
will add to the NiBG, and as you ascend to shallower depths,
the segments will recede, indicating that additional no decom-
pression time is allowed for multilevel diving.
The Nitrogen Loading Bar Graph monitors 12 different nitrogen
compartments simultaneously and displays the one that is in
control of your dive. It is divided into a No Decompression
(normal) zone, a Caution zone (also No Decompression), and a
Decompression (danger) zone.
While you cannot provide a guarantee against the occurrence of
decompression sickness, you may choose your own personal
zone of caution based upon age, physique, excessive weight,
etc., to reduce the statistical risk.
NOTE: Displays associated with oxygen and the
O2BG will only appear if FO2 has been set at a
value other than 'Air' (e.g., a numerical value).
Fig. 22 - NiBG
a
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