3. Diving with Aladin 2G
31
English
SCUBAPRO ALADIN 2G
by microbubble accumulation (as
opposed to CNS O
2
over 40%) and you
dive anyway, you will have shorter no-
stop times or longer decompression
times. Moreover, the duration of the
no-dive warning at the end of the dive
can increase considerably.
3.6 Diving in mountain lakes
3.6.1 Altimeter
The altitude adjustment ->58 does not affect
altitude ranges nor any calculations.
3.6.2 Altitude
ranges
Altitude range 2
Altitude icon
Aladin
2G measures the atmospheric
pressure every 60 seconds even
while the display is switched off. If the
computer detects a sufficient increase
in altitude, it switches on automatically
and indicates the new altitude range (1-4)
and the desaturation time. Desaturation
time indicated at this moment refers to
adaptation time at this altitude. If the dive
starts within this adaptation time, Aladin 2G
treats it as a repetitive dive, since the body
is offgassing.
Altitude is divided into five ranges, which are
influenced by barometric pressure. That is
why the defined altitude ranges overlap on
their fringes. If a mountain lake is reached,
the altitude range is indicated at the surface
(
time of day display
), in the logbook and
in the dive planner by a stylized mountain
and the current altitude range. Sea level to
an altitude of approximately 1000m (3300ft)
is not indicated. In the following diagram,
you can see the approximate breakdown of
the altitude ranges:
Altitude ranges
No deco data
gauge mode
Switching
at approx.
610mbar
8.85psi
725mbar
10.51psi
815mbar
11.82psi
905mbar
13.12psi
4000m
13120ft
3000m
9840ft
2000m
6560ft
1000m
3280ft
0m
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