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Diving with microbubble (MB) levels
8.4.3 Decompression obligation
XP-H calculates and displays level stops to reduce microbubble formation, but it also calculates the
diver’s decompression data.
!
WARNING
Avoid decompression dives when diving with MB levels.
How to avoid decompression stops:
• Check ordinary no-stop time by pushing
until L0 appears.
• 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.
!
WARNING
At the beginning of a decompression phase an attention beep goes off and the
symbol
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.
If decompression stops become obligatory, the
symbol
will be displayed. The total ascent time will now also contain a
decompression stop.
8.4.4 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, XP-H shows
(level stop). The indicated 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
DIVE TIME
STOP
DECO
CNS O
2
%
DEPTH
STOP
DECO
CNS O
2
%
DEPTH
DIVE TIME
Decompression obligation
Level stop information
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