Technical information
5
Safety considerations
Uwatec
®
Aladin
®
Air Z O
2
(decompression sickness, oxygen toxicity).
– Do not use the Aladin
®
Air Z O2 for planned decompression diving. The decompression algorithm con-
tained in the Aladin
®
Air Z O2 should be used only for emergency or unintended decompression.
– In accordance with the recommended maximum diving limit of all instructional agencies, do not dive
deeper than 130 feet.
– The danger of nitrogen narcosis has to be taken into consideration for all dives regardless of the gas
mixture. The Aladin
®
Air Z O2
gives no warning about this.
– On all dives with the Aladin
®
Air Z O2, make a safety stop for at least one to three minutes within the
10 to 15 feet zone.
– Always make the deepest dive of the day first when repetitive dives are planned, and for each dive
make sure that the deepest portion of that dive is done at the beginning of the dive.
– If your diving cylinder is equipped with a reserve or “J“-type valve, make certain that the reserve fun-
ction is in an open (down) position. Failure to keep the reserve open will result in the improper calcu-
lation of the dive data which depends on tank pressure.
– All divers using dive computers to plan dives and indicate or determine decompression status must use
their own computer which they take with them on all dives.
– If the Air Z O
2 fails at any time during the dive, the dive must be terminated, and appropriate surfacing
procedures (including a slow ascent and a 3 to 5 minute safety stop) should be initiated immediately.
– On any given dive, all divers in a buddy group must follow the most conservative dive computer for
that particular dive.
– Repetitive dives after exchanging the dive computer: Wait at least 24 hours before you start with the repe-
titive dive.
– You MUST be familiar with all signs and symptoms of decompression sickness before using the Aladin
®
Air Z O2! Seek IMMEDIATE treatment for decompression sickness should any of these signs or sym-
ptoms occur after a dive! There is a direct correlation between the effectiveness of treatment and the
delay between the onset of symptoms and the treatment for decompression sickness.
– Always observe the optical and acoustic alarm signals of the Aladin
®
Air Z O2. Avoid situations of
increased risk which are marked with a warning sign in this operating manual.
– If the ascent arrow appears in the lower display window, start ascending.
– If the flashing ascent arrow appears in the lower display window, start to ascend immediately.
– See also page 10, 12, 74-76, 100.