Beuchat VOYAGER-2G, Operating Manual, Page: 16 / 106

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BAR GRAPHS
The VOYAGER 2G features 3 Bar Graphs >> NiBG, O2BG,
and ASC.
NiBG (Nitrogen Loading Bar Graph)
The NiBG (Fig. 6a) represents tissue loading of nitrogen, show-
ing 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 decompression time is
allowed for multilevel diving.
The NiBG monitors 12 different nitrogen compartments simulta-
neously and displays the one that is in control of your dive. It
is divided into a No Deco zone (lower 6 segments), a Caution
zone (7th segment), and a Deco (danger) zone (top segment).
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. 6 - NiBG
a