Oceanic Prodigy Manuel utilisateur

owner's guide

Prodigy

OCEANIC

Pay special attention to items marked with this WARNING symbol

• Always Make Your Deepest Dive First

• Always Make The Deepest Part Of Every Dive, First

• Check Your Computer Often

• Do A Safety Stop On Every Dive

• Adequate Surface Interval Between Each Dive

• Adequate Surface Interval Between Each Day Of Diving

(12 Hours Or Until Your Computer Clears)

• Read And Understand This Owner's Guide Before Using the Prodigy

RESPONSIBLE COMPUTER DIVING

iii

This owner’s guide is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated,

or reduced to any electronic medium or machine readable form without prior consent in writing from 2002 Design/Oceanic.

PRODIGY Owner’s Guide, Doc. No. 12-1880

TRADEMARK NOTICE

Oceanic, the Oceanic logo, Diving Essentials Redefined, Graphic Diver Interface, Tissue Loading Bar Graph, Pre Dive Planning Se-

quence, and Variable Ascent Rate Indicator are all registered and unregistered trademarks of Oceanic. All rights are reserved.

PATENT NOTICE

U.S. Patents have been issued, or applied for, to protect the following design features:

Graphic Diver Interface, Pre Dive Planning Sequence, Dive Time Remaining, Data Sensing and Processing Device (U.S. Patent no.

4,882,678), Dive Time Remaining (U.S. Patent no. 4,586,136), and Variable Ascent Rate Indicator Bar Graph (U.S. Patent no. 5,156,055).

LIMITED TWO-YEAR WARRANTY

For details, refer to the Product Warranty Registration Card provided.

DECOMPRESSION MODEL

The programs within the PRODIGY simulate the absorption of nitrogen into the body by using a mathematical model. This model is not

magic, merely a way to apply a limited set of data to a large range of experiences. The PRODIGY dive computer model is based upon the

latest research and experiments in decompression theory. Still, using the PRODIGY, just as using the U.S. Navy (or other) No-decompres-

sion Tables, is no guarantee of avoiding decompression sickness, i.e. “the bends.” Every diver’s physiology is different, it even

varies from day to day. No machine can predict how your body will react to a particular dive profile.

The PRODIGY is intended for use by divers who have successfully completed a nationally recognized course in scuba diving. It must not

be used by untrained persons who may not have knowledge of the potential risks and hazards of scuba diving. You must obtain proper

training before using the PRODIGY if you have not already done so. You also must read this owner’s guide completely before diving with

the PRODIGY.

CONTENTS

I. THE PRODIGY IS EASY TO USE .......................................... 1

Introduction......................................... 2

II. DETAILED OPERATION GUIDE .......................................... 10

Operational Modes ............................ 12 The PRODIGY At A Glance ..............26

Informational Displays ..................... 20

III. HANDLING THE EXTREMES............................................... 27

Maximum depth ................................ 28 Gauge mode ........................................35

Emergency decompression................ 29 Caution Zone ......................................35

Violation modes ................................. 30 What if your computer quits?............37

Conditional violation......................... 30 Temperature/Night diving ................38

Permanent violations ........................ 32 Sharing ...............................................39

IV. CARE & MAINTENANCE ..................................................... 41

Before the dive................................... 42 Low battery display............................46

During/after the dive......................... 43 Battery Replacement Procedure .......47

Annual inspections ............................ 44 Annual Inspection Record .................66

Obtaining factory service.................. 45

V. REFERENCE......................................................................... 49

Multiple tissue tracking .................... 52 Specifications......................................58

No-decompression limits................... 54 Glossary ..............................................60

Maximum No-D dive profile ............. 54

See the

index on page

63 to find a

specific

subject

THE PRODIGY

EASY TO USE

INTRODUCTION

The PRODIGY was designed to be extremely easy to use and understand.

This owner’s guide is divided into five sections designed to make it easy to

learn how to use the PRODIGY. The first two sections will show you how it

performs in most diving situations. Section three describes extreme condition

performance such as deep or decompression diving. Sections four and five

present care & maintenance procedures and reference material. Start here to

begin learning about the PRODIGY.

REGULATOR ATTACHMENT

If you have purchased the PRODIGY in a console version, you will need

to have it attached to your regulator by an Authorized Oceanic Dealer.

ACTIVATING THE DISPLAY

You can activate the PRODIGY by pressing and releasing the button

under its display (Fig. 1a). After a diagnostic check (10 seconds), it enters

“Surface Mode” signified by the Surface Display Icon (Fig. 1b).

WARNING - Be sure to inspect your PRODIGY prior to every dive, checking

for any signs of the entrance of moisture, damage to the button membrane,

or damage to the LCD display. If these or other signs of damage are found,

return the unit to an Authorized Oceanic Dealer or Oceanic Parts & Service.

DO NOT attempt to use until it has received factory service.

Fig. 1 – Surface Mode

PLANNING YOUR DIVE

Surface mode shows the Surface Display Icon, the number of the most

recent dive you have made, surface interval, and residual nitrogen. After 20

seconds, then once every minute, it alternates with another mode called the

“Pre Dive Planning Sequence” (Fig. 2) signified by the Pre Dive Planning

Identification Icon (Fig. 2a). When planning your next dive, the Pre Dive

Planning Sequence (PDPS) provides adjusted no-decompression limits based

upon previous dives made. The PDPS shows depths from 30 to 160 feet (9 to

48 meters) in 10 foot (3 meter) intervals and the available no-decompression

time for each. This makes dive planning extremely simple because you know

exactly how much time you can spend at each depth without making any

table calculations.

MAKING A DIVE

Once you enter the water and descend to a depth below 5 feet (1.5

meters), the PRODIGY changes to the “No-decompression Dive Mode” (Fig.

3) signified by the No Decompression Identification Icon (Fig. 3a). This mode

displays current depth, elapsed dive time (and Elapsed Dive Time Icon), no-

decompression time remaining, maximum depth for this dive (and Max

Depth Icon), nitrogen loading (and Tissue Loading Bar Graph) and ascent

rate (and Variable Ascent Rate Indicator).

Fig. 2 – Pre Dive

Planning Sequence

USING THE “GRAPHIC DIVER INTERFACE”

To make it easy to check your dive status on the PRODIGY, a color-coded

system of graphic displays is used. This “Graphic Diver Interface” is made up

of two bar graphs that have green, yellow and red markers to indicate nor-

mal, caution, and danger zones, respectively. The two graphic displays

represent ascent rate and nitrogen loading.

When underwater, you can make quick status checks by glancing at the

two bar graphs and making sure that they are “in the green.” With one

quick glance you can make sure you’re not getting too close to the no-decom-

pression limit or ascending too fast.

ASCENDING TO THE SURFACE

A graphic representation of nitrogen absorption can be seen in the

“Tissue Loading Bar Graph” (Fig 3b). This green, yellow, red bar graph

shows how close you are to the no-decompression limit. It “fills–up” with

segments as your depth and bottom time increase, simulating the absorption

of nitrogen. Upon ascent to shallower depths, the Tissue Loading Bar Graph

(TLBG) will begin to recede giving a visual representation of nitrogen off–

gassing. The TLBG also provides a way to easily manage decompression by

indicating four red “ceiling” depths. This is discussed fully in the “Handling

the Extremes” section beginning on page 27.

Fig. 3 – No-decompression

Dive Mode

When rising towards the surface, the “Variable Ascent Rate Indicator™”

(Fig. 3c) shows how fast you are ascending. The Variable Ascent Rate Indica-

tor (VARI) will alert you with a flashing display if you enter the red zone,

which represents ascent rates over 60 feet (18 meters) per minute. Immedi-

ately slow your ascent whenever this is seen.

If you have not entered decompression, a safety stop made between 15-20

feet (4.5-6 meters) is strongly recommended as a standard procedure before

completing your ascent. Many divers do this to provide a wider zone of

caution from the no-decompression limit. The TLBG gives a visual represen-

tation of just how close you are to the no-decompression limit with a yellow

“Caution Zone” (Fig. 3d). This Caution Zone portion of the TLBG allows you

to make a decision regarding safety stop duration or necessity. While you

cannot provide a guarantee against the occurrence of decompression sickness,

you may choose your own personal zone of caution based on age, physique,

excessive weight, etc., to reduce the statistical risk.

EMERGENCY DECOMPRESSION

If your depth or bottom time is such that the TLBG enters the red zone,

the PRODIGY will switch to the “Decompression Dive Mode” (Fig. 4) signi-

fied with the flashing Decompression Dive Identification Icon (Fig. 4a). A

decompression stop “ceiling” will be indicated by the TLBG (Fig. 4b), digital

display (Fig. 4c), and Stop Ceiling Icon (Fig. 4f). You must stay below the

Fig. 4 – Decompression

Dive Mode

ceiling depth indicated or risk decompression sickness. Also indicated by

digital displays are current depth, decompression time for current stop (Fig.

4d) and total decompression stop time (Fig. 4e). You must stay at or a few

feet below the TLBG indicated ceiling depth until the bar graph recedes into

the next shallower zone before ascending any further.

An alternate display (Fig. 5) appears automatically for 3 seconds at 12

second intervals during a decompression dive. The display replaces individual

stop information with maximum depth (and Max Depth Icon, Fig.5a) and

elapsed dive time (and Elapsed Dive Time Icon, Fig. 5b).

PLANNING FOR THE NEXT DIVE

After reaching three feet upon ascent, the Surface Mode will display once

again. After 10 minutes, and at one minute intervals, it alternates with the

Pre Dive Planning Sequence. The Pre Dive Planning Sequence will show

adjusted no-decompression limits based on the nitrogen absorbed during your

last dive. The longer the surface interval, the more dive time available in the

PDPS.

Fig. 5 – Decompression

Dive Mode-Alternate

a. b.

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