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3. Diving with Galileo
59
3. Diving with Galileo
English
For
FULL
layout, the underlying L0
information is shown in the sequence
right after the
BUDDY tank pressure and
before the ppO
2
. This is displayed instead
of the MB level no-stop or decompression
information and remains there only for
5 seconds, after which it is replaced again
by the information relative to the active MB
level.
F
NOTE:
The nitrogen bar graph always
references the underlying L0
calculation.
3.5.4 Cascading MB levels
When diving with an MB level, Galileo
carries out all calculations relating to L0 and
to all MB levels in between the currently
active one and L0. This gives the diver the
flexibility to start with a given MB level but
to cascade down to a less conservative
level during the dive: If you start the dive
at L4 but decide not to carry out all the
required L4 stops, you can cascade down
through L3, L2, L1 all the way to L0. Only
decompression stops relating to L0 are
mandatory and must be respected at all
times, whereas the level stops calculated
by the MB levels are recommended but not
mandatory. Section 3.5.5 describes how to
cascade to a lower level.
3.5.5 Level stop ignored/MB level
reduced
If a level stop is required and you ascend
1.5m/5ft or more above it, Galileo will
reduce your active MB level to the next one
compatible with the current depth. When
this happens, the new active MB level is
permanently displayed on the screen. It is
no longer possible to finish the dive with the
MB level set at the beginning of the dive.
When the level stop depth is the same as
the deco stop depth, ascending 1.5m/5ft
above it will cause Galileo to cascade down
to L0.
At the end of the dive, for 5 minutes after
reaching the surface, the active (reduced)
MB level is shown on the display. After
5
minutes Galileo changes to surface
mode and switches back to the MB level
set prior to the dive, but the reduced MB
level is recorded on the fourth page of the
logbook.
3.6 Diving with PDIS
When Galileo is set to PDIS mode, it does
PDIS calculation. See chapter 2.3.9 for
how to switch PDIS mode on and off.
When the calculated PDI stop is deeper
than 8m/25ft, Galileo shows it on the display
and continues to do so until you reach the
displayed depth during an ascent. The
displayed value changes during the dive
as Galileo tracks the uptake of nitrogen in