ALADIN ALADIN SPORT User manual

h
h
m
ft
DO NOT FLY
DESATURATION
S
L
O
W
DIVEPLAN
LOGBOOK
DIVE
SPEED %
depth dive time
max. depth deco info
STOP
NO STOP
max. depth deco info
h
h
m
ft
DO NOT FLY
DESATURATION
S
L
O
W
LOGBOOK
DIVE
SPEED
%
depth
dive time
STOP
NOSTOP
®
®
SWISS MADE BY UWATEC AG
NO-STOPDIVECOMPUTER
OPERATING MANUAL
American

Operating Manual Aladin®Sport
You must carefully read this entire manual before using your Aladin®Sport.
The Aladin®Sport is a sophisticated decompression tool to assist a trained and certified diver in
making decisions concerning dive planning and execution. As with any tool, the Aladin®Sport may be
misused if the following safety and operational precautions are not strictly followed. If they are
followed, careful use of the Aladin®Sport can increase your diving enjoyment and reduce your risk of
decompression sickness. If they are not, you will be placing yourself at serious risk for decompression
sickness.
While the Aladin®Sport is a technically advanced tool based on a biophysical model of decompression
sickness, neither it nor any other diving computer (or table) can actually monitor the physiological
changes that occur in your body as you dive. In addition, each diver will vary in his or her susceptibility
to decompression sickness. Not only that, but each individual diver‘s own susceptibility may vary from
day to day. Combined with the fact that decompression modelling is an inexact science, and of
necessity must be based at least partly on certain unproven assumptions, it is incumbent upon you,
the individual diver, to dive responsibly and to carefully follow all standard safe diving practices as well
as the admonitions contained in this manual.
Safety considerations
Diving has many inherent risks. Decompression sickness is among the most
serious of those risks. Even if you follow the instructions of this manual in a
careful fashion, it is still possible that you may be seriously injured or die
from decompression sickness or some other inherent risk of scuba diving.
Unless you are fully aware of these risks and are willing to personally accept
and assume responsibility for those risks, do not use the Aladin®Sport!
B
WARNING

Operating Manual Aladin®Sport
DIVE
depth
dive time
max. depth deco info
®
Aladin®Sport
C
• Interface and logbook-software
DataTrak/DataTalk (Option)
–+ E • Dive Computer
Aladin®Sport
• External Memory
Extension ESE (Option)
• Logbook (Option)
B

Operating Manual Aladin®Sport
This operating manual makes use of the following icons to indicate especially important comments:
Remarks: Informations and tips which are important for optimal use of the functions of
your Aladin®Sport.
The following symbols are used in the operating manual:
flashing display
Operating instruction for manual input (Example: bridging contacts B and E)
WARNING
Important remarks concerning signal words and symbols
D
Indicates a potentially hazardous situation which, if not avoided, could result in
death or serious injury.
December 1995, Copyright by Uwatec Switzerland
B
– + E

Operating Manual Aladin®Sport
Guidelines for the use of Aladin®Sport:
The following guidelines for using Aladin®Sport are derived from the latest medical research and the
recommendations of the American Academy of Underwater Sciences for diving with diving computers. Following
these guidelines will greatly increase your safety while diving, but cannot guarantee that decompression sickness
will not occur.
– In accordance with the recommended maximum diving limit of all instructional agencies, do not dive
deeper than 130 feet.
– The decompression algorithm contained in the Aladin®Sport only serves for emergency or unintended
decompression.
– On all dives with the Aladin®Sport, make a safety stop for three to five minutes within the ten to thirty feet
zone.
– Never use the Aladin®Sport for repetitive, “square“ dives deeper than 60 feet. A square dive is a dive that
is performed for its duration at a uniform depth.
– Always make the deepest dive of the day first when repetitive dives are planned, and for each successive
dive make sure that the deepest portion of that dive is done at the beginning of the dive.
– The Aladin®Sport is designed for dives made with compressed air only. Do not use the Aladin®Sport for
dives made with nitrox or other mixed gases.
– All divers using dive computers to plan dives and indicate or determine decompression status must use
their own computer.
E
Safety considerations

Operating Manual Aladin®Sport
– If the Aladin®Sport fails at any time during the dive, the dive must be terminated, and appropriate surfacing
procedures (including a slow ascent and a 3 to 5 minute safety stop) should be initiated immediately.
– On any given dive, all divers in a buddy group must follow the most conservative dive computer for that
particular dive.
– You should not dive for a period of twenty-four hours before activating the Aladin®Sport to use it to plan
or control your diving.
– You MUST follow the ascent rates as indicated by the Aladin®Sport, and should the computer fail for any
reason, you must ascend at a rate of no greater than 60 feet per minute.
– You MUST be familiar with all signs and symptoms of decompression sickness before using the Aladin®
Sport! Seek IMMEDIATE treatment for decompression sickness should any of these signs or symptoms
occur after a dive! There is a direct correlation between the efficacy of treatment and the delay between
the onset of symptoms and the treatment for decompression sickness.
– Always observe the optical alarm signals of the Aladin®Sport. Avoid situations of increased risk for
decompression sickness which are marked with a warning sign in this operating manual.
– Never dive the Aladin®Sport to the limit. Neither the Aladin®Sport, nor any other diving computer or
decompression table should be pushed to its limit. Give yourself a margin of safety by always leaving at
least a few minutes in the “no-stop“ box before making your ascent.
– Avoid repeated ascents and descents (yo-yo diving) while using the Aladin®Sport.
Safety considerations
F

I
II
III
IV
V
VI
VII
VIII
IX
LIST OF CHAPTERS
I INTRODUCTION 1
II ALADIN®SPORT – SURVEY 9
III DIVING WITH ALADIN®SPORT 23
IV DIVING AT REDUCED RISK WITH ALADIN®SPORT 39
V LOGBOOK 49
VI DIVE PLANNER 55
VII INTERFACE 63
VIII TROUBLE SHOOTING 65
IX APPENDIX, Maintenance, Technical Information, Warranty 69

I Introduction 1
I
I INTRODUCTION
1. Aladin®Sport - Safe No-Stop Diving ______________________________________ 2
2. Aladin®Sport – Your Personal Companion ______________________________________ 3
3. The Calculation Model ZH-L8 ADT 3.1 Description _________________________ 5
3.2 Advantages ________________________ 7
4. Safety in Diving ______________________________________ 8

I Introduction
2
The proven no-stop dive computer Aladin is furnished
with a new, revolutionary calculation model which
makes it even safer and more comfortable. The Ala-
din of the new generation is called Aladin®Sport and
completes the Aladin family consisting of the Aladin®
Air X Nitrox integrating air data and the
decompression computer
Aladin®Pro.
The Aladin®Sport is designed for
no-stop diving, but also provides
the necessary information for safe diving in case
of a decompression dive.
Aladin®Sport displays all
information necessary
for safe diving in such
a manner that it is
easy to survey and to
be understood at once.
1. Aladin®Sport - Safe No-Stop Diving
The convincingly simple handling and the high
comfort of carrying speak for themselves from
the first dive.
The Aladin®Sport of the new
generation brings you in possession
of a device that guarantees more
safety, quality and
comfort in diving.
Read this operating manual carefully and to
the last page.

I Introduction 3
I
• Compared to all previous models the Aladin®Sport
is much more of a personal instrument, which
considers the individual conduct of the diver.
Different conducts of diving buddies can lead to
distinctive differences in the display of the no-stop
and decompression information, since risk
situations (violations of the diving rules) may have
a strong influence by the anticipation of
physiological processes. On the other hand, Ala-
din®Sport “rewards” a diving conduct following
the rules with highest diving comfort.
• The diver‘s workload is incorporated in the
decompression calculations as a constant value.
The new calculation model considers for the
calculation of the surface intervals and the
decompression information for repetitive dives that
the physical performance at the surface is smaller
than during the dive.
• The Aladin®Sport uses optical alarms in risk
situations or dangerous conduct.
2. Aladin®Sport - Your Personal Companion
Aladin®Sport considers your individual reactions
during the dive, the cooling of your skin and includes
your workload by a constant value in the calculations.
The latest results of medical and technical research
were taken into consideration. As a special feature
the calculation model also considers the formation of
micro-bubbles in the venous circulation depending on
workload and skin temperature. This has led to the
development of a unique, adaptive calculation model.
Aladin®Sport was exclusively designed for diving with
compressed air and especially for diving in the no-
stop range. It distinguishes itself from its previous
models and other commercial diving computers in a
number of significant ways.
• The ZH-L8 ADT decompression calculation model
considers eight body tissues as well as the diver‘s
conduct and the ambient conditions. This allows
for an even more precise calculation of a modeled
risk for decompression sickness which can lead to
greater diving safety.

I Introduction
4
• Aladin®Sport is designed to be carried on the
diver‘s wrist or built in consoles. Ease handling,
easy to watch and unambiguous arrangement of
the data in the display, increase of diving safety
without the loss of diving comfort and the
possibility of transferring data to a personal
computer are the main features of the Aladin®
Sport comfort.
• By using the Aladin®Sport‘s logbook, a diver may
directly call up information from the last 19 dives.
When interfaced with a personal computer, 37
dives and 200 minutes of dive profile in intervals
of 20 seconds can be read out.
• The dive planner allows the advance planning of
no stop dives with readily determinable surface
intervals.
You must strictly observe all optical alarms due to
risk situations or dangerous conduct and take
appropriate action based upon those alarms to
avoid serious injury or death from decompression
sickness!
2. Aladin®Sport - Your Personal Companion
WARNING

I Introduction 5
I
The decrease in skin temperature is based upon
the water temperature and the dive time. By
considering these changes in saturation, the time
that must be spent at the surface prior to flying
can be considerably lengthened, depending upon
the depth, time, and temperature of a dive, as
well as the diver‘s work
during that
dive.
3. The Calculation Model ZH-L8 ADT
3.1 Description
The Aladin®Sport uses a new decompression
calculation model known as the ZH-L8 ADT. This model
uses eight compartments or “tissue“ groups with no-
minal half time periods from 5 to 640 minutes. This
model differs considerably from other models by its
consideration of the following additional physiological
processes:
1. Blood perfusion to the body‘s organs
is not constant. Skin and muscle tissues
are especially subject to changes in
blood perfusion, depending on tempera-
ture and work load. Changes in blood
perfusion to these organs change their
nitrogen saturation tolerance. The model used by
the Aladin®Sport takes these effects into account
and thus the “skin“ and “muscle“ compartments
in the Aladin®Sport show variable half-time periods
and saturation tolerances.
Decompression information is calculated according
to the workload and decrease in skin temperature.

I Introduction
6
3. The Calculation Model ZH-L8 ADT
2. The decompression model used by the Aladin®
Sport considers nitrogen in both its dissolved as
well as its gaseous phase (microbubbles). Formati-
on of microbubbles is considered to be a strong
indicator of a high risk of decompression sickness.
The Aladin®Sport model calculates the formation
of microbubbels depending on various assumed
influences in arterial and venous blood. In normal,
slow ascents, microbubbles form mainly in venous
blood. During fast ascents, microbubbles may also
form in arterial blood and in the body‘s tissues as
well. If a particular dive profile may result in the
creation of microbubbles according to the Aladin®
Sport‘s model, decreased bottom time and/or
increased decompression times as well as increased
“no fly“ time will be indicated.
• Microbubbles can form if the diver makes too fast
an ascent, ignores required decompression stops,
or makes repeated ascents during a dive (yo-yo
diving). These microbubbles can form in arterial
blood as well as in the body‘s tissues. If these
microbubbles partially impair circulation, the rate
of gas diffusion and saturation tolerance for those
tissues immediately surrounding this area of
impaired circulation are changed. If required, no-
stop time, decompression time and -depth will be
adjusted in such a way that already existing
microbubbles will stop growing. Increased
decompression time will also assist those local areas
of impaired circulation to desaturate with less risk
of decompression sickness.
• The calculation of microbubbles results in altered
ascent instructions. If microbubbles are assumed
to be present based on the data used by the Ala-
din®Sport, the ascent rate to the surface is reduced
to 23 feet/minute. This will help prevent the
formation of microbubbles in the arterial circulation
and minimizes formation of microbubbles in the
venous circulation after the dive.

I Introduction 7
I
If a diver experiences any of these risk factors while diving,
the Aladin®Sport will require decompression in order to
help minimize the risk of decompression sickness.
If signs or symptoms of decompression sickness occur after
diving with Aladin®Sport, seek IMMEDIATE treatment at
the nearest recompression facility.
With its new calculation model the Aladin®Sport is an
extremely versatile tool which can increase your diving
comfort and safety. As with any diving tool, however,
ultimate responsibility for diving safety remains with the
individual diver. The same responsible diving practices
taught by all diving certification agencies are still absolutely
necessary in order to safely dive with the Aladin®Sport.
3. The Calculation Model ZH-L8 ADT
3.2 Advantages
On the first dives following responsible diving
procedures, a diver using the Aladin®Sport should
never experience a shortened no-stop phase or be
required to decompress, although a three to five
minute safety stop between ten and thirty feet is
recommended for every dive. If, however, unplanned
circumstances arise during the dive which increase the
risk of decompression, the Aladin®Sport 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.
• Yo-yo diving (repeated descents and ascents to the
surface during a given dive).
• Flying within 24 hours after diving.
WARNING
Do not use the Aladin®Sport for planned decom-
pression dives!

I Introduction
8
4. Safety in Diving
Certain mistakes which may be made by a diver, such
as ascending at an excessive rate, going too deep, or
staying too long at depth, may be overcome if the diver
carefully follows the Aladin®Sport‘s corrected ascent
instructions. Of course, the Aladin®Sport can do not-
hing to prevent the occurrence of lung overexpansion
injuries or nitrogen narcosis, whose avoidance lies solely
with the individual diver. The Aladin®Sport is a highly
sophisticated technical instrument which, if used and
maintained properly, will have high reliability. Despite
that, no dive should be made with an Aladin®Sport
without a thorough understanding of decompression
theory and dive table use, and every diver must have a
set of decompression tables with him on every dive.
WARNING
Do not use the Aladin®Sport without a set of
accepted diving tables with you as a back up
decompression tool on every dive.
Should decompression sickness occur, whether the
Aladin®Sport was used correctly or not, a detailed
history of the previous dives may be used to allow a
better diagnosis and the most effective treatment for
the diver.

9
II Aladin®Sport - Survey
II
II ALADIN®SPORT – SURVEY
1. The Aladin®System _____________________________________ 10
2. Operation _____________________________________ 12
2.1 Operating scheme for surface functions ____ 13
2.2 Operating modes _______________________ 18

II Aladin®Sport - Survey
10
The dive computer as the central unit of the
Aladin®system becomes a valuable aid by a number
of additional features:
1 During the dive the Aladin®Sport dive computer
supplies all important dive- and decompression
information and warnings if necessary. It has a
logbook with the last 19 dives and a dive planner.
1. The Aladin®System
1
NO STOP
depth dive time
max. depth deco info
h
h
m
ft
DONOTFLY
DESATURATION
S
L
O
W
DIVEPLAN
LOGBOOK
DIVE
SPEED
%
depth
dive time
STOP
NOSTOP
®

11
II Aladin®Sport - Survey
II
2 The configuration software DataTalk (supplied together with DataTrak) allows
the alteration of a number of preset parameters of Aladin®Sport.
3 The external memory extension (ESE) makes it possible to read data from the
logbook memory of Aladin®Sport without a personal computer. This is
especially valuable on diving holidays.
4 The logbook software DataTrak enables you to print out logbook pages. You
can get a special logbook with insert folders from your retailer.
DIVE
depth
dive time
max. depth deco info
®
1. The Aladin®System
3
4
2

II Aladin®Sport - Survey
12
Switching on display: – automatically, on submerging in water or when adaptation to atmospheric
pressure is necessary.
– manually by manipulating contacts on housing.
Switching off display: – automatically, after three minutes without operation.
Aladin®Sport has 4 operating contacts B, E, +, – on the outside of the housing. For manual operation, touch
base contact B and any one of the other three contacts below the display with moistened fingers.
Contact B: Base contact, which has to be touched for all
operations.
Contact E: Enter contact. It serves the switching on of the
computer and the activation of logbook and dive-plan-
mode. It is also used to confirm inputs and is therefore
comparable to the ENTER- or RETURN-key of a
computer.
+ / –contacts: They serve the selection of logbook and dive-plan as well
as the setting of values (time, depth, dive-number etc.).
depth
divetime
max. depth deco info
®
2. Operation
B
–+E

13
II Aladin®Sport - Survey
II
3.2 Operating scheme for surface functions
B and E
B and +
B and –
depthdivetime
deco info
max. depth
depthdivetime
deco info
max. depth
2. Operation
depthdivetime
deco info
max.depth
Sleep
Surface Sleep
Ready od.
Surface
Battery
capacity
1
2
3
54
5sec
(or 3 min)
(or 3 min)
3s
(or 3 min) (or 3 min)
NO STOP
depth dive time
max. depth deco info
automatically
DIVEPLAN
DIVEPLAN
input stage
LOGBOOK
LOGBOOK
input stage
NO STOP