ALADIN ALADIN AIR Z O2, Operating Manual, Page: 71 / 104

71
6 Diving in Mountain Lakes
III Uwatec ® Aladin ® Air Z O
2
English
III
In order to assure optimal decompression even at higher altitudes, the 3 m
decompression stage is divided into a 4 m stage and a 2 m stage (the pescribed
decompression depths are, in sequence, 2 m, 4 m, 6 m, 9 m).
Aladin
®
Air Z O
2
can be used as a decompression computer in case of an emer-
gency up to an altitude of 4000 m. If atmospheric pressure is below 620 mbar
(altitude higher than 4000 m above sea level), no decompression data is dis-
played. Oxygen toxicity is still calculated. Indication of the RBT is also impos-
sible since decompression data are necessary for its calculation (of course the
PPO
2
and O
2
% or tank pressure are still displayed). By the display of the alti-
tude section 3, <HI> (=high) appears, telling the diver that he will not get any
decompression information for the dive.
Very small differences in the pressure sensors can cause an indication of diffe-
rent altitude sections of two dive computers at the same altitude on the fringes
of the altitude ranges. These differences are not meaningful and do not inter-
fere with the functions of Aladin
® Air Z O
2
. But if an altitude section is dis-
played at sea level or the altitude readouts of two computers differ by more
than one altitude section (e. g. section 2 instead of 0), there may be a compu-
ter defect. In this case, send your computer back to your retailer for testing.
Diving while at altitude can considerably increase the risk of decompression
sickness. Do not undertake high altitude diving without being specifically
trained in the special techniques of such diving.
depth dive time
max. depth deco info