Oceanic DataMax Pro Owner's Manual
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Oceanic DataMax Pro Owner's Manual

Air-integrated diving computer
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  • Page 1 DataMax Pro ™ owner’s guide...
  • Page 2 DECOMPRESSION MODEL The programs within the DataMax Pro simulate the absorption of nitrogen into the body by using a mathematical model. This model is a way to apply a limited set of data to a large range of experiences. The DataMax Pro dive computer model is based upon the latest research and experiments in decompression theory.
  • Page 3 Read and understand the contents of this manual completely before using the DataMax Pro. WARNING: As with all underwater life support equipment, improper use or misuse of this product can cause serious injury or death. Read and understand this owner’s guide completely before diving. Con- duct your dives in such a manner so as to insure that you continu- ously check the computer's proper function.

  • Page 4: Table Of Contents

    CONTENTS I. THE DATAMAX PRO IS EASY TO USE ........ 1 Introduction ......... 2 HINT: II. DETAILED OPERATION GUIDE ..........9 See the Operational Modes ......10 Informational Displays ...... 18 index on III. HANDLING THE EXTREMES ..........29 page 70 to find a Maximum depth ........

  • Page 5: The Datamax Pro Is Easy To Use

    DATAMAX PRO EASY TO USE...

  • Page 6: Introduction

    INTRODUCTION The DataMax Pro was designed to be extremely easy to use and under- stand. This owner’s guide is divided into five sections designed to make it easy to learn how to use the “Pro.” The first two sections will show you how the Pro performs in most typical diving situations.
  • Page 7 WARNING - Be sure to inspect your DataMax Pro prior to every dive, checking for any signs of the entrance of moisture, damage to the button membrane, or damage to the LCD display, and its general operation. If these or other signs of damage are found, return the...
  • Page 8 DEPTH USING THE “GRAPHIC DIVER INTERFACE” To make it easy to check your dive status on the DataMax Pro, a color- coded system of graphic displays is used. This “Graphic Diver Interface” is made up of three bar graphs that have green, yellow and red markers to NO DEC indicate normal, caution, and danger zones respectively.
  • Page 9 ASCENDING TO THE SURFACE A graphic representation of nitrogen absorption can be seen in the “Tissue Loading Bar Graph” (Fig 4a). This green, yellow, red bar graph shows how close you are to the no-decompression limit. It “fills–up” with PLAN segments as your depth and bottom time increase.
  • Page 10 If your depth or bottom time is such that the Tissue Loading Bar Graph enters the red zone, the DataMax Pro will sound one double beep and switch to “Decompression Dive Mode.” At this point, the TLBG will indicate a DEPTH decompression “ceiling”...
  • Page 11 "the bends". OTHER SPECIAL FEATURES DEPTH DEPTH The DataMax Pro also helps you log your dives, dive at high altitudes, and BOTTOM BOTTOM know when the minimum allowable surface time has elapsed to be able to fly, according to UHMS guidelines.
  • Page 12 The DataMax Pro follows one of the more conservative of these, cited by Divers Alert Network (DAN); that divers wait at least twelve hours before flying in pressurized commercial aircraft, and at least 24 or more if making repetitive multi-day or decompression dives.

  • Page 13: Detailed Operation Guide

    DETAILED OPERATIONS GUIDE...

  • Page 14: Operational Modes

    OPERATIONAL MODES The DataMax Pro operates in ten different modes. The visual difference between modes is very evident depending on when you look at the display. PLAN PLAN Mode Labels identify the various displays eliminating confusion. 1. DIAGNOSTIC MODE/ACTIVATION DEPTH The Diagnostic Mode displays immediately following activation.
  • Page 15 During Diagnostic Mode, the DataMax Pro measures its own battery voltage level. If there is not enough battery power to complete a day of diving, the DataMax Pro will either deactivate itself or not activate at all. WARNING: If the words "LOW BATT" appear immediately after...
  • Page 16 based upon the diver’s previous dive profiles. The PDPS automatically replaces Surface Mode once each minute. The information displayed is Previous Dive #, Depth, No-decompression Dive Time, Tank Pressure, and the Tank Pressure Bar Graph. PLAN PLAN WARNING: The PDPS predicts only no-decompression times for subsequent dives.
  • Page 17 Graphic Diver Interface bar graphs disappear. 6. DECOMPRESSION DIVE MODE NO DEC NO DEC The DataMax Pro will allow you to avoid, or easily manage, decompres- sion. Before explaining further, read the following warning. WARNING - Oceanic recommends the application of respon- 3000...
  • Page 18 10 feet. The amount of decompression credit time you receive is dependent on depth, with slightly less credit given the deeper you are. Still, you must never ascend shallower than your decompression ceiling. Doing so will place the DataMax Pro into a Conditional Violation Mode, and 3000 4000 DataMax greatly increase your risk of decompression sickness.
  • Page 19 “Handling the Extremes” section beginning page 30. 8. GAUGE MODE 3000 4000 If the DataMax Pro enters a Violation Mode, it will operate only in Gauge DataMax ® ® Mode on subsequent dives. The DataMax Pro removes the displays that no longer provide correct information because of the violation (see page 37).
  • Page 20 Dive Log Mode, you can choose to either press and release, or press ® ® and hold, the button on the face of the DataMax Pro. Pressing and releasing the button initiates the Automatic Dive Log Sequence. This sequence will scroll through previous dives showing each “screen” for about four seconds.
  • Page 21 logbook page is provided on page 65 of this guide that can be photo duplicated for this purpose). Releasing and then holding the button again will display the secondary log screen of the currently displayed dive. Releasing and holding the button still again will display the next earlier dive, and so on. NOTE: Depressing the button for more than six seconds when viewing the secondary Dive Log screen of the most recent dive will activate the Audible Alarm Access Mode (see page 26).

  • Page 22: Informational Displays

    BOTTOM SURFACE BOTTOM TELLING THE DIFFERENT MODES APART The DataMax Pro’s ten different modes are easy to tell apart. Each is NO DEC NO DEC clearly marked with Mode Labels (Fig. 17) and all occur at different times. LOW BATT...
  • Page 23 following section describes each display in detail. Depth Display The Uppermost portion of the LCD (Fig. 18a) contains a Dive Number PLAN Indicator and the Depth Displays. Depending on the mode that is active, you may see Depth or Maximum Depth displayed in this area. These displays indicate depth from 0 to 249 feet in one foot increments (or 0 to 76 meters in DEPTH MAX .5 meter increments for the metric version).
  • Page 24 GRAPHIC DIVER INTERFACE ™ Three different bar graphs are located around the perimeter of the DataMax Pro LCD (Fig. 19a). They are color coded green, yellow, and red to denote normal, caution and danger zones, respectively. The Graphic Diver PLAN Interface allows you to make quick status checks underwater on your no- decompression status, ascent rate, and tank pressure.
  • Page 25 10 psig (.5 kg/cm ) resides above the bar graph. DIVE TIME REMAINING DISPLAY One of the most important pieces of information on the DataMax Pro is the patented* Dive Time Remaining display. To display Dive Time Remain-...
  • Page 26 DataMax Pro constantly monitors two critical pieces of information; no-decompression status and air consumption. The Dive Time Remaining display shows whichever is more important to you at any particular moment in time; the least amount of either AIR or NO DECOM Dive Time.
  • Page 27 Constantly updated with new information, the DataMax Pro gives an accurate prediction of Air Time Remaining within 90 seconds of any change in breathing rate. The Air Time Remaining display also provides a reserve of 300 psig after reaching the surface. A zero ATR PLAN display shows that the diver must now begin their ascent (assuming a 60 ft./...
  • Page 28 Recreational Dive Planner ™ distributed by PADI. One advantage of using the DataMax Pro is its ability to model many tissue compartments simultaneously. It constantly updates No decompres- PRIMARY ALARMS sion Time as the controlling tissue changes with different depths. You always...
  • Page 29 • Required decompression exceeds a thirty foot ceiling Transition – Short Beep Just to show that a command has been accepted, the DataMax Pro will emit a Short Beep when you use the activation button as follows: Fig. 22b – Secondary audible •...
  • Page 30 “ON” and “OFF” every three seconds. Which- ever command is displayed when you release the activation button will be issued to the DataMax Pro. If you release during display of the word “ON”, the Audible Alarm will be accompanied by one “Beep.” Release during display of the word “OFF”...
  • Page 31 WARNING: Until it has shut itself off, you must not use the DataMax Pro at a different altitude than the altitude where it was originally activated. Doing so will result in an error equal to the difference in barometric pressure, and possibly a false dive mode.
  • Page 32 hours, then a 12 hour surface interval before flying is recommended. 2) Following any dive that required a decompression stop, flying should be delayed for at least 24 hours, and if possible, for 48 hours. Since the 1990 UHMS guidelines were introduced, data from the Diver’s Alert Network (DAN) was introduced that resulted in DAN’s position* that “A minimum surface interval of only 12 hours would be required in order to be reasonably assured a diver will remain symptom free upon ascent to altitude in...

  • Page 33: Handling The Extremes

    HANDLING THE EXTREMES...

  • Page 34: Maximum Depth

    DataMax ® ® On a first “clean” dive, the DataMax Pro will allow 7 minutes at 160 feet. A clean dive is one where there is no residual nitrogen from previous dives. Fig. 24 – Out of Range display The DataMax Pro will continue to calculate residual nitrogen for up to 24 hours although the dive counter resets to zero after 12 hours.

  • Page 35: Emergency Decompression

    It is much more practical to stay within the 11 minutes of no-decompression time allowed at 130 feet. If you exceed 160 feet, watch the Pro closely be- cause you will enter decompression rapidly. The Tissue Loading Bar Graph will alert you when entering decompression by entering the red zone (Fig. 25) and changing dive time remaining from NDC to DEC.

  • Page 36: Violation Modes

    24 hours after the last dive of a day in which a violation occurred. There are three different types of Violation Modes that the DataMax Pro can enter depending on the situation. They are termed “Conditional Viola- tion Mode,” “Delayed Violation Mode,” and “Immediate Violation Mode.” It is important to understand how each of these modes function and how to carry out decompression procedures in the event you encounter one.
  • Page 37 Conditional Violation – Ascending Shallower than Decompression Ceiling The DataMax Pro will enter a Conditional Violation Mode if you ascend shallower than the decompression ceiling indicated by the Tissue Loading Bar Graph (Fig. 26). A momentary rise above the ceiling, such as with a surge or swell, will cause this to happen.

  • Page 38: Permanent Violations

    DEPTH DEPTH DELAYED VIOLATION MODE When the DataMax Pro enters Delayed Violation Mode, it retains the capacity to tell you how to get back to the surface. Delayed Violation Mode will be encountered in either of the following decompression situations:...
  • Page 39 DataMax Pro. As previously described, you would then need to follow the ceiling toward the surface as the Tissue Load- ing Bar Graph recedes toward the Caution Zone.
  • Page 40 These dives represent gross excursions into decompression that are beyond the boundaries and spirit of the DataMax Pro design. If you are following these dive profiles, Oceanic advises that you do not use a DataMax Pro dive computer.

  • Page 41: Gauge Mode

    Time to Fly separating hours and minutes will also start blinking once per second indicat- ing a “real time” display. If the DataMax Pro changes to Gauge Mode while underwater, you have entered an Immediate Violation Mode. Be sure to read the Violation section thoroughly beginning on page 32.

  • Page 42: Caution Zone

    Audible Alarm will beep Once Per Second signaling the need for immediate ascent to the decompression ceiling. In this manner, the DataMax Pro can help you track their required decompression and remaining air time simultaneously. This is one of the unique features encompassed by the Air Time Remaining display (U.S.

  • Page 43: Operating Temperature

    If you ever extend your dive profiles to the maximum limit, Oceanic advises you to bring additional backup instruments with you on your dives, and to log each dive profile during every surface interval.

  • Page 44: Night Diving/Sharing

    Even though the “Pro” will operate in a wide range of temperatures, it is possible to damage the electronics if left exposed to direct sunlight, or in a hot confined space (like a car trunk). After the dive, cover the DataMax Pro and 32° F keep it out of the sun.
  • Page 45 NIGHT DIVING WITH THE DATAMAX PRO The DataMax Pro uses a high contrast liquid crystal display with large numerals for easy readability in low light conditions. However, the display is not internally illuminated for night diving because of the excessive power consumption that would be required.
  • Page 46 A FINAL WORD OF CAUTION Although the DataMax Pro represents the latest in user-friendly dive computer technology, it cannot force you to understand how to use it. Before diving with the Pro, be sure you thoroughly under- stand its functions and displays.
  • Page 47 CARE MAINTENANCE...

  • Page 48: Care & Maintenance

    If the DataMax Pro is attached to a tank in a rack, tuck the com- puter into a BC pocket, or between the BC waistband and the bladder. Keep...

  • Page 49: During/After The Dive

    DataLink (Fig. 32) high-pressure quick disconnect between your computer and first stage. This allows you to remove the DataMax Pro and keep it nearby when recording dives in your log book or planning the next dive. DURING THE DIVE Keep the DataMax Pro protected from abuse underwater by using the console retainers on your B.C.

  • Page 50: Annual Inspections

    Ewa Beach, Hawaii Oceanic recommends that you continue to have this inspection done even Tel: 808-682-5488; Fax: 808-682-1068 after the warranty period has expired to ensure your DataMax Pro is working OCEANIC EUROPE Pomezia, Italy properly. A convenient service record is provided in the rear of this owner's Tel: 39-6-910-4148;...

  • Page 51: Obtaining Factory Service

    HOW TO OBTAIN SERVICE You can obtain service for your DataMax Pro by returning it to the Authorized Oceanic Dealer where it was purchased. If one is not nearby, or you need service a local Service Center cannot provide, you can have them send it directly to Oceanic as follows.

  • Page 52: Low Battery Display

    Authorized Oceanic Dealer, where you may also obtain an annual inspection - even if your DataMax Pro is not yet due for one. When- ever it is necessary to replace your own batteries, however, you may do so by...

  • Page 53: Battery Replacement Procedure

    • It is not necessary to detach the DataMax Pro from the regulator. Removing the boot: • Grasp DataMax Pro with both hands, palms on front sides, fingers on the rear of the console, and thumbs in top left and right corners.
  • Page 54 • Closely examine the o-ring groove of the caseback for any signs of damage that may impair proper sealing. If found, return your DataMax Pro to your Authorized Oceanic Dealer and DO NOT attempt to use it until it has received factory service.

  • Page 55: Flooded Battery Compartment

    If it was damaged (nicks, cuts, divots, etc.), discard it and replace it with a new DataMax Pro battery compartment o-ring. Before replacing o-ring and batteries, flush battery compartment with fresh water and dab with tissue paper until completely dry.

  • Page 56: Regulator Installation

    For any other cause of flooding, return the DataMax Pro to your Authorized Oceanic Dealer for factory service. REGULATOR INSTALLATION INSTRUCTIONS The DataMax Pro is an air integrated dive computer that requires attachment to your regulator system. If possible, have this done by your Authorized Oceanic Dealer.

  • Page 57: Reference

    REFERENCE...

  • Page 58: Multiple Tissue Tracking

    REPETITIVE DECOMPRESSION DIVING Fig. 36 – Think of the 12 tissues The decompression model used by the DataMax Pro is based on the no- as overlaid clear displays decompression multi-level repetitive dive schedules successfully tested by Dr. showing only the maximum bar Ray Rogers and Dr.
  • Page 59 90 feet or decompression dives. DataMax Pro decompres- sion predictions are therefore based on U.S. Navy theory due to the present unavailability of statistical data. Therefore, pay special attention to the DISPLAY AS SEEN BY DIVER following warnings.

  • Page 60: No-Decompression Limits

    Figure 39 on the next page shows the maximum no-decompression dive profile that is possible ––* with the DataMax Pro on a first dive. In this test, the DataMax Pro was ––* ––* taken to a depth where the No-decompression Dive Time Remaining reached zero minutes.

  • Page 61: Maximum No-D Dive Profile

    60 ft. 60 ft. LEGEND: WARNING No-decom limit Violation Immediate violation 80 ft. 80 ft. The DataMax Pro may allow dive profiles deeper or longer than 100 ft. Decompression Delayed violation 100 ft. shown for emergency purposes only. Oce- 120 ft.
  • Page 62 DECOMPRESSION VIOLATION LIMITS As described on pages 32 - 38, the DataMax Pro has two permanent violation modes. If either of these modes are entered underwater, you will experience the loss of some computer functions. The two modes are termed HINT: Delayed and Immediate Violation Modes.
  • Page 63 NOTES...

  • Page 64: Specifications

    SPECIFICATIONS NO-DECOMPRESSION MODEL Numeric Displays Range Resolution Basis • Dive Number 0 – 9 dives 1 dive • Modified Haldanean Algorithm • Depth 0 – 249 feet (0 – 76 meter) 1 foot (.5 meter) • 12 tissue compartments • Maximum Depth 249 feet (76 meters) 1 foot (.5 meter) Data Base...
  • Page 65 Reactivation required. • If more than 9 dives, stores latest dive in memory, deletes first dive • DataMax Pro cannot be shut off manually (unless battery is removed) • Erases past dives upon next submersion past 5 feet after 12 hours...

  • Page 66: Quiz

    F Your DataMax Pro doesn’t need to be inspected annually by an Authorized Dealer. (pg. 46) F The DataMax Pro will compensate for diving at altitudes up to 14,000 feet elevation. (pg. 27) F Time to Fly mode displays a countdown 20 hours to 0 starting 4 hours after the dive. (pg. 17) F After activation, the Pro will shut down to save batteries after two hours with no dive.
  • Page 67 F It’s okay for two divers to share information from one DataMax Pro. (pg. 41) F The DataMax Pro LCD can be read at night without the aid of a dive light. (pg. 40) F The DataMax Pro should be periodically sprayed with a silicone aerosol. (pg. 44) F One long beep from the audible alarm signals entry into violation mode.

  • Page 68: Oceanic Divelog

    2. Sketch dive plan with dotted line. 3. Draw actual dive profile using solid line. From Dive Log Mode Bottom Time 4. Fill-in Dive Log readings on DataMax Pro 180 ft. display (as shown). Your Personal Rating Scale Rate Dive Site 200 ft.
  • Page 69 DiveLog ® 0 ft. 20 ft. 40 ft. TODAY CUMULATIVE 60 ft. Dive No. 80 ft. Dive Site Location 100 ft. Date 120 ft. Visibility 140 ft. Purpose Max Depth 160 ft. PROFILE: Bottom Time PDPS 180 ft. PLAN Rate Dive Site ACTUAL 200 ft.

  • Page 70: Glossary

    Algorithm - A step-by-step mathematical formula designed to accomplish a particular result (i.e. Dive Time Remaining in the DataMax Pro) Altitude Dive - A dive made at an elevation above sea level where a differ-...
  • Page 71 Dive Time Remaining - A display of the time before a diver must surface based on no-decompression status or tank pressure Graphic Diver Interface ™ - A feature of Oceanic dive computers. Easily understandable color coded bar graphs that indicate diver status; green = normal, yellow = caution, red = danger.
  • Page 72 “J” Cell - The 6 volt alkaline battery used in the DataMax Pro LCD - Abbreviation for liquid crystal display, an easily viewed low voltage display usually found on dive computers Maximum Depth - The deepest depth attained during a dive...
  • Page 73 Pressure Sensor - an electro-mechanical device that converts tank pressure into an electrical signal that the DataMax Pro converts into tank pressure and air time remaining displays Repetitive Dive - Any dive that takes place within 12 hours of a previous...

  • Page 74: Index

    INDEX Low Batt display 48 Ceiling 5, 33 Memory erasure 11 Ceiling greater than 30 feet 34 Replacement 49 Credit 33 Boot 44 Data base 60 Accuracy 61 Buddy breathing 22 Emergency 31 Activation 2, 61 Half-times 60 Accidental underwater 10 Mode 13 How to 10 Model ii...
  • Page 75 Scratches 44 Graphic Diver Interface 4, 19, 60 Modes Sluggish 40 Tank Pressure Bar Graph 21 Alternate dive 3, 13 Specifications 61 Tissue Loading Bar Graph 20 Decompression dive 13 Tank Pressure 19 Variable Ascent Rate Indica- Diagnostic 10 Time 19 tor 20, 60 Dive log 7, 61 Tissue Loading Bar Graph 5...
  • Page 76 Service ii, 46 tor 5, 20, 60 Sharing computers 41 Violation modes 15 Obtaining Service ii Sport diving limit 30 About 32 Oceanic DiveLog Surface mode 11 Conditional 32 Blank page for duplication 65 Delayed 34 Instructions 64 Immediate 36...

  • Page 77: Annual Inspection Record

    DATAMAX PRO ANNUAL INSPECTION RECORD Serial Number _______________ Date of purchase _____________ Oceanic dealer _______________ To be filled in by Authorized Oceanic Dealer: Date Dealer Name & Number Technician Name...
  • Page 78 DATAMAX PRO ANNUAL INSPECTION RECORD To be filled in by Authorized Oceanic Dealer: Date Dealer Name & Number Technician Name DECOMPRESSION RULES ARE NOT MEANT TO BE BENT Responsible...
  • Page 79 THE CODE OF THE RESPONSIBLE DIVER AS A RESPONSIBLE DIVER I UNDERSTAND AND ASSUME THE RISKS I MAY ENCOUNTER WHILE DIVING RESPONSIBLE DIVING BEGINS WITH: • DIVING WITHIN THE LIMITS OF MY ABILITY AND TRAINING • EVALUATING THE CONDITIONS BEFORE EVERY DIVE AND MAKING SURE THEY FIT MY PER- SONAL CAPABILITIES •...
  • Page 80 OCEANIC USA 2002 Davis Street San Leandro, Ca. 94577 Phone: 510/562-0500 Fax: 510/569-5404 Web: http://www.oceanicusa.com © 2002 Design 1997 Doc. No. 12-1871,R5 (4/99)

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