ALADIN ALADIN AIR Z O2, Operating Manual, Page: 13 / 104

13
3 Aladin
®
Air Z O
2
– Your Personal Companion
I Uwatec ® Aladin ® Air Z O
2
English
I
Aladin ® Air Z O
2
considers your individual gas mixture, depth and time profile, as well as workload and
water temperature. Relying on the latest results of medical and physiological research for its decompres-
sion modelling, the Aladin
®
Air Z O
2
differs from other diving computers in a number of significant ways:
• Diving with SCR and Oxy2 enables the calculation of oxygen toxicity and decompression to be on
the basis of the actual composition of the inhaled gas.
• The Aladin ® Air Z O
2
indicates on the lower display the actual oxygen percentage, the ppO
2
and if
needed O
2
attention messages and alarms.
• The workload is calculated from the difference between the automatically registered oxygen fraction
of the premixed gas and the actual oxygen percentage of the inspired gas mixture. The sensitivity of the
workload detection can be adjusted with DataTalk. Also the diver selected maximum O
2
consumption
supported by the SCR has to be programmed in with DataTalk.
• The ZH-L8 ADT decompression calculation model considers eight body tissues as well as the diver‘s
workload and ambient temperature. This allows for a more precise calculation of a modelled risk for
decompression sickness which can lead to greater diving safety.
• The gas data – measured by an Oxy2 or a pressure transmitter – are transmitted by wireless to the
Aladin ® Air Z O
2
. Faulty transmission of data between the transmitter and Aladin ® Air Z O
2
is prevented
by a number of precautions.
• If a pressure transmitter is used, the tank pressure can be easily checked at any time. By monitoring
the pattern of the changes in gas pressure, the Aladin
®
Air Z O
2
calculates the diver‘s workload and pro-
vides a prediction of the remaining time allowed at the current depth based upon tank pressure and air
consumption. Thus the remaining bottom time (RBT) displayed on the Aladin
® Air Z O
2
considers depth,
tank pressure, as well as gas consumption to give the diver a more accurate calculation of when the
ascent must be begun according to the decompression program.
If a tank with a reserve or “J“-Type valve is used, the reserve must be in the
open (down) position in order to receive a correct remaining bottom time
(RBT) calculation.
• The Aladin
®
Air Z O
2
uses both optical and acoustic alarms. The acoustic alarm uses varied sound
signals to assist in identifying the reason for the alarm.