15
5 The Calculation Model ZH-L8 ADT
I Uwatec
®
Aladin
®
Pro Ultra
American
• The calculation of microbubbles results in altered
ascent instructions. If microbubbles are assumed
to be present based on the data used by the
Aladin
®
Pro Ultra, the ascent rate to the surface is
reduced to 23 feet/minute. This will help prevent
the formation of microbubbles in the arterial cir-
culation and minimizes formation of microbub-
bles in the venous circulation after the dive.
I
5.2 Advantages
On the first dives following responsible diving pro-
cedures, a diver using the Aladin
®
Pro Ultra should
never require decompression stops, although a one
to three minute safety stop between 10 and 15
feet is recommended for every dive. If, however,
unplanned circumstances arise during the dive
which increase the risk of decompression, the
Aladin
®
Pro Ultra can, if closely followed, reduce
the risk of decompression sickness by increasing
decompression time. Some of the more common
risk situations are as follows:
• Repetitive dives, especially those deeper than 60
feet and those with short surface intervals.
• Repetitive dives using square dive profiles.
• Repetitive diving over the course of several
successive days.
• Diving in cold water.
• Diving with increased workloads.
• Yo-yo diving (repeated descents and ascents to
the surface during a given dive).
• Flying within 24 hours after diving.
• Excessive ascent rate.
If a diver experiences any of these risk factors while
diving, the Aladin
®
Pro Ultra will add required
decompression time in order to help minimize the
risk of decompression sickness.
If signs or symptoms of decompression sickness
occur after diving with Aladin
®
Pro Ultra, seek
IMMEDIATE treatment at the nearest recom-
pression facility.
Do not use the Aladin
®
Pro Ultra for planned
decompression dives!
WARNING
