III Diving with Aladin
®
Pro
41
III
5 Surface Functions
5.4 Warning of bubbles Through repetitive dives microbubbles accumulate in the lungs if the surface interval
is not long enough. Ignoring decompression or an excessive ascent rate can also
lead to bubbles in tissues. In certain circumstances, in order to reduce the risk
through further repetitive dives, an extended surface interval should be planned.
The prognosis on the formation of bubbles during the surface interval allows
Aladin
®
Pro to advise the diver to extend the surface inter
val. If the display <Atn>
(=attention) is visible instead of the depth during the surface interval (surface-
mode), the diver should extend the surface interval. The extension of the interval
prevents a high concentration of bubbles in the lungs during the planned dive
and avoids a risk situation.
– If the dive has to be made during <Atn> time, the <Atn> time of the following
dive can increase considerably.
– If the dive is made in spite of the display <Atn>, the diver must cope with a
clearly shorter no-stop time and an extension of decompression.
h
depth dive time
max. depth deco info
h
DO NOT FLY
DESATURATION
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