27
V Dive Planner
V Uwatec
®
Smart dive computers
English
V
The Smart is equipped with a dive planner, which allows the planning of no-stop dives with freely
determinable surface intervals.
Basis of the planning:
• selected percentage of oxygen (O
2
% Mix)
• selected Microbubble-level
• water temperature of the most recent dive
• altitude sections if any
• assuming a normal performance
If two or more divers using computers are planning a dive, planning for all
divers has to be based on the dive computer showing the shortest no-stop
times. Failure to do this may lead to serious injury or death from decompres-
sion sickness.
1 Planning a No-Stop Dive
With the contacts B and – you can select the dive planner at the surface.
The microbubble warning
and its duration are displayed if
the Smart detects an increased
risk due to the accumulation of
microbubbles.
Enter the dive planner with B and E.
The input window for the interval time is displayed,
if there was a remaining desaturation (DESAT) befo-
re the Dive Planner has been selected. This waiting
time between now and the beginning of the dive
can be changed with the contacts + and - in steps
of 15 minutes
If a microbubble warning (no dive) and their
duration has been displayed, the Smart proposes
this time – rounded up to the next 15 minutes – as
surface interval. If the proposed interval is shorte-
ned, the microbubble warning appears.
With B and E you confirm the displayed interval (if there was any) and start
the scrolling no-stop times. The no-stop times are displayed in 3 metre-incre-
ments (10-ft) and are displayed for every increment for about 3 seconds. The
process starts at 3 metre (10 feet).
If a microbubble-level has been selected (L1 to 5), the Smart shows the
microbubble no-stop time instead of the no-stop time.
No-stop times are displayed only to the depth at which the partial pressure of
oxygen (ppO
2
) has not yet reached the set maximum value or the CNS O
2
value
has not exceeded 100%.
On page 20 you will find further information and safety considerations
regarding the microbubble warning.
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