61
English
ALADIN H USER MANUAL
8.2 Glossary
AVG:
Average depth, calculated from the beginning of the dive or from the time of reset.
CNS O
2
:
Central Nervous System oxygen toxicity.
Desat:
Desaturation time. The time needed for the body to completely eliminate any
nitrogen taken up during diving.
Dive time:
The time spent below a depth of 0.8m/3ft.
Gas:
Refers to the main gas that is set for the ZH-L16 ADT MB algorithm.
INT.:
Surface interval. Elapsed time since your last dive ended.
Local time:
The time in the local time zone.
Max depth:
Maximum depth reached during the dive.
MB:
Microbubble. Microbubbles are tiny bubbles that can build up in a diver’s body
during and after a dive.
MB level:
One of the six steps, or levels, in SCUBAPRO’s customizable algorithm.
MOD:
Maximum Operating Depth. This is the depth at which the partial pressure of
oxygen (ppO
2
) reaches the maximum allowed level (ppO
2
max). Diving deeper than
the MOD will expose the diver to unsafe ppO
2
levels.
Multi-gas:
Refers to a dive in which more than one breathing gas is used (air and/or nitrox).
Nitrox:
A breathing mix made of oxygen and nitrogen, with the oxygen concentration
being 22% or higher. In this manual, air is considered as a particular type of
nitrox.
No Fly:
Minimum amount of time a diver should wait before taking a plane.
No-stop time:
This is the time that a diver can stay at the current depth and still make a direct
ascent to the surface without having to perform decompression stops.
O
2
:
Oxygen.
%O
2
:
Oxygen concentration used by the dive computer in all calculations.
PDIS:
Profile Dependent Intermediate Stop is an additional deep stop, which is
suggested at the depth where the 5
th
..7
th
compartment starts off-gassing.
ppO
2
:
Partial pressure of oxygen. This is the pressure of the oxygen in the breathing
mix. It is a function of depth and oxygen concentration. A ppO
2
higher than
1.6bar is considered dangerous.
ppO
2
max:
The maximum allowed value for ppO
2
. Together with the oxygen concentration it
defines the MOD.
Press:
The act of pressing and releasing one of the buttons.
Press-and-hold:
The act of pressing and holding one of the buttons for 1 second before releasing it.
SOS mode:
The result of having completed a dive without respecting all mandatory
decompression obligations.
Stopwatch:
A stopwatch. To time certain steps of the dive.
UTC:
Universal Time Coordinated. Refers to time zone changes when traveling.
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