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Decompression obligation
Aladin TEC 3H calculates and displays level stops to reduce microbubble formation, but it also calculates
the diver's decompression data.
Avoid decompression dives when diving with MB levels.
4s
DEPTH
DIVE TIME
DECO
STOP
CNS O
At the beginning of a decompression phase an attention beep goes off and the
flashes for 8 seconds.
In order to prevent a dive with long decompression stops it is recommended that you ascend a
few metres/feet on seeing this message.
DEPTH
DIVE TIME
Decompression obligation
DECO
STOP
CNS O
Level stop information
Level stop and deco stop
When the level stop depth equals the depth of the first obligatory decompression stop and if you are
within 1.5m /5ft of the stop depth itself, Aladin TEC 3H shows
duration refers to level stop duration.
Since level stops are more restrictive than decompression stops, when all decompression obligations
have been observed the display changes from
WARNING
How to avoid decompression stops:
• Check ordinary no-stop time by pushing
• Observe the nitrogen loading bar (it is relative to L0)
• If the nitrogen loading bar flashes (less than 3 minutes to deco):
ascend slowly a few metres/feet.
%
2
WARNING
If decompression stops become obligatory, the
will be displayed. The total ascent time will now also contain a
decompression stop.
%
2
DECO
STOP
Diving with microbubble (MB) levels
DECO
and
STOP
STOP
to
only.
STOP
STOP
until L0 appears.
symbol
DECO
symbol
DECO
(level stop). The indicated
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