Oceanic Pro Plus Owner's Manual
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Oceanic Pro Plus Owner's Manual

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Datamax Pro Plus
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ALAN GANSEBOM
February 25, 2025

i need a pro plus 4.0 manual it is not listed

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Mr. Anderson
May 14, 2025

You can find the Oceanic Pro Plus 4.0 manual on the Huish Outdoors website under Oceanic user manuals.

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Summary of Contents for Oceanic Pro Plus

  • Page 1 OCEANIC ® Datamax Pro Plus owner's guide...
  • Page 2 • Do A Safety Stop on Every Dive • Allow Adequate Surface Interval Between Each Dive • Allow Adequate Surface Interval Between Each Day of Diving (12 Hours or Until Your Computer Clears) Read And Understand This Owner's Guide Thoroughly Before Using the Pro Plus. Responsible...
  • Page 3 Datamax Pro Plus WARNINGS and SAFETY RECOMMENDATIONS • The Pro Plus is intended for use by recreational divers who have successfully completed a nationally recognized course in scuba diving, and diving with enriched nitrogen-oxygen (nitrox) mixtures. • It is intended only for no decompression diving, NOT intentional decompression diving.
  • Page 4 DECOMPRESSION MODEL The programs within the Pro Plus simulate the absorption of nitrogen into the body by using a mathematical model. This model is merely a way to apply a limited set of data to a large range of experiences. The Pro Plus dive computer model is based upon the latest research and experiments in decompression theory.

  • Page 5: Table Of Contents

    Datamax Pro Plus CONTENTS FEATURES and DISPLAYS ..................1 Introduction ............................... 2 Interactive Control Console ........................2 Informational Displays ..........................3 Universal Graphic Diver Interface ......................4 • Tissue Loading Bar Graph ......................4 • Oxygen Accumlation Bar Graph ....................5 •...
  • Page 6 ® CONTENTS (CONTINUED) Entering Settings ............................. 21 • To Set: Alternate On/Off ........................21 • To Set: Audible Alarm On/Off ......................22 • To Set: Depth Alarm Set Point ......................22 • To Set: Turn Pressure Alarm Set Point .................... 23 •...
  • Page 7 Datamax Pro Plus CONTENTS (CONTINUED) POST DIVE MODES ....................43 First 2 Hours After a Dive ........................44 • Transition Period ..........................44 • To view Temperature/Date/Time ....................44 • To view That Dive's Log ....................... 45 After the Transition Period ........................45 •...
  • Page 8 • To Obtain Service ..........................71 Battery Life .............................. 72 Low Battery Condition ..........................72 Battery Replacement ..........................73 Oceanic Facilities ............................ 77 REFERENCE ......................79 No Decompression Limits ........................81 Decompression Model ..........................81 Oxygen Exposure Limits ......................... 82 Multiple Tissue Tracking ..........................

  • Page 9: Features And Displays

    Datamax Pro Plus FEATURES DISPLAYS refer to page 16 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 10: Introduction

    INTRODUCTION Welcome to Oceanic and thank you for choosing the Pro Plus ! The Pro Plus has a wide array of features described in detail throughout the DECO pages that follow. Due to the importance that they be understood thoroughly prior to using the Pro Plus, information will be expanded upon and some re- freshed as you proceed.

  • Page 11: Informational Displays

    Audible f. Log Each Pro Plus numeric and graphic display represents a unique piece g. Maximum Depth of information. It is imperative that you understand the formats, h.

  • Page 12: Universal Graphic Diver Interface

    ® ™ UNIVERSAL GRAPHIC DIVER INTERFACE DECO Four bar graphs referred to as the Universal Graphic Diver Interface ™ appear around the perimeter of the screens (Fig. 3). These segmented bar graphs are located next to green, yellow, and red color coded portions of the peripheral decal that denote normal, caution, and danger zones, respectively.

  • Page 13: Oxygen Accumlation Bar Graph

    Datamax Pro Plus representation of just how close you are to the no decompression limit with a yellow Caution (C.Z.) Zone that allows you to make a decision regarding safety stop duration or necessity. The Tissue Loading Bar Graph ™ has been granted U.S.

  • Page 14: Variable Ascent Rate Indicator

    ® ™ Variable Ascent Rate Indicator (VARI) Segments = Speed (rate) 0 = 0 - 20 fpm (0 - 6 mpm) The Variable Ascent Rate Indicator™ (Fig. 6a) is provided to help you avoid 1 = 21 - 30 fpm (6.5 - 9 mpm) excessive ascent rates by displaying a visual representation of ascent speed, 2 = 31 - 40 fpm (9.5 - 12 mpm) rather than just showing that you are ascending too fast.

  • Page 15: Dive Time Remaining

    Datamax Pro Plus by the Pro Plus, and it takes into account the breathing gas required for a safe ascent including any required decompression stops. The green, yellow, and red zones adjacent to the bar graph enable you to quickly focus on remaining breathing gas times of 60 minutes or less, based on your pre selected End Gas Alarm Set Point.

  • Page 16: Oxygen Accumulation Time Remaining

    Tissue Loading Bar Graph will recede as control shifts to slower compartments. This is a feature of the decompression model that is the basis for multilevel diving, one of the most important advantages the Pro Plus offers.

  • Page 17: Breathing Gas Time Remaining

    Gas Time information and it will be the only indication of breathing gas time remaining if you are in a decompression or violation mode. The Pro Plus calculates Breathing Gas Time Remaining using a patented algo- 0 5 10 30 40 50 60 rithm that is based on a diver's individual breathing gas consumption rate and depth.
  • Page 18 Set Point) that you set during setup. When Gas Time Remaining indicates zero, you should immediately initiate a controlled ascent. There is no reason to panic, the Pro Plus has allowed for the breathing gas necessary for a safe ascent including any emergency decompression stops.

  • Page 19: Alpha/Numeric Displays

    The Cylinder Pressure display appears in the lower screen (Fig. 11a) any time the Pro Plus is connected to a pressurized cylinder and in an active mode. Val- ues of pressure are displayed from 10 PSI (.5 BAR) up to 5000 PSI (352 BAR) in increments of 10 PSI (.5 BAR).

  • Page 20: Ambient Temperature

    ® The colon that separates hours and minutes blinks once per second when the display is indicating real time such as elapsed Surface Time, Elapsed Dive Time, or Time of Day. Dive Time Available, Dive Time Remaining, Decom- pression Stop Time, Total Ascent Time required, Time to Fly, or Desaturation Time are calculated projections of time and use a solid (non-blinking) colon to indicate that they are counting down, rather than up.
  • Page 21 Datamax Pro Plus When the Pro Plus senses immediate danger to you, it emits One Beep per Second until the situation is corrected (if the Audible Alarm feature is set ON). If the Audible Alarm feature is set OFF (described later), you will be alerted instead by one Double Beep.

  • Page 22: Backlight Feature

    PC. Smart ™ OPERATING TEMPERATURE Fig. 13 - Smart Glo Sensors The Pro Plus will operate in almost any temperature diving environment in the world between 32 and 140 F (0 and 60 C).
  • Page 23 (like a car trunk). After the dive, cover the Pro Plus and keep it out of the sun. If inadvertently left in the direct sun- light for a long period, the LCD display may become totally black. If this oc- curs, immediately immerse the Pro Plus in water.
  • Page 24 WARNINGS and SAFETY RECOMMENDATIONS • Inspect your Pro Plus prior to every dive, checking for any signs of the entrance of moisture, damage to the housing, or damage to the LCD display. If these or other signs of damage are found, return the unit to an Authorized Oceanic Dealer.

  • Page 25: Activation And Setup

    Datamax Pro Plus ACTIVATION SETUP refer to page 29 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 26: Activation

    If no dive is made within 2 hours after initial activation, the Pro Plus will au- tomatically deactivate to conserve its battery power. Always check the dis- play before entering the water to ensure that it is activated.

  • Page 27: Surface Mode

    Datamax Pro Plus SURFACE MODE DECO Surface Mode, identified by the Surface Time icon (Fig. 15a), immediately fol- lows Diagnostic Mode after initial activation. Information displayed includes the Dive Number '0' (no dive made yet), Surface Time with flashing colon, and cylinder pressure.
  • Page 28 ® The menu structure of the Set Mode enables you to: • set Dive Mode Alternate Display (On or Off) • set Audible Alarm (On or Off) • select Depth Alarm value • select Turn Pressure Alarm value • select End Pressure Alarm value •...

  • Page 29: Entering Settings

    Datamax Pro Plus ENTERING SETTINGS • The Advance (Left) button is used to gain access to settings. • The Select (Right) button is used to toggle between, or scroll through, the individual set points available for each of the settings.

  • Page 30: To Set: Audible Alarm On/Off

    ® TO SET: AUDIBLE ALARM ON/OFF DECO 'OFF' - if the unit senses a condition that poses immediate danger (page 13), it emits a double beep. Other alarms are silenced 'ON' - alarms will be sounded for all conditions as listed on pages 12 and 13. •...

  • Page 31: To Set: Turn Pressure Alarm Set Point

    Datamax Pro Plus • press Select (Right) button until the desired Max Depth value appears • press Advance (Left) button to accept the setting displayed, and either - • revert to Surface Mode (if this setting was changed), or - •...

  • Page 32: To Set: End Pressure Alarm Set Point

    ® TO SET: END PRESSURE ALARM SET POINT DECO The End Pressure Alarm can be set to values between 300 psi (20 BAR) and 1500 psi (68 BAR) in 100 psi (6 BAR) increments to warn you. • press BOTH buttons simultaneously, while in Surface Mode •...
  • Page 33 Datamax Pro Plus • press Select (Right) button until the correct Day appears. • press Advance (Left) button 1 time to accept the setting displayed DECO • the Hour Format appears flashing (Fig. 23) • 12 Hr format = 12: Am to 11: Pm •...

  • Page 34: To Set: Sampling Rate

    ® TO SET: SAMPLING RATE Sampling Rate is the Time, or Depth, interval at which data samples will be recorded for subsequent download to the OceanLog™ PC software program. It has 'no effect' upon displayed data or data stored in the unit's viewable Log. Rates available are 2 FT (.5M), 5 FT (1.5 M), 10 FT (3 M), 2 SEC, 5 SEC, 10 SEC, 15 SEC, 20 SEC, 25 SEC, 30 SEC.

  • Page 35: To Set: Units Of Measure

    Datamax Pro Plus TO SET: UNITS OF MEASURE DECO • press BOTH buttons simultaneously, while in Surface Mode • press Advance (Left) button 12 times • the Units of Measure icons appear flashing (Fig. 26) • press Select (Right) button to toggle between 'FT, F' and 'M, C' •...

  • Page 36: Ea Mode

    ® EA MODE Although included in the menu structure, External Access (EA) Mode has no settings. It is accessed only when data is being downloaded (copied) to the OceanLog™ PC software program for storage and viewing. This is described on page 50. •...
  • Page 37 Datamax Pro Plus WARNINGS and SAFETY RECOMMENDATIONS • Never activate the Pro Plus underwater. This may result in inaccurate depth and no-decom- pression time displays. If the unit is activated when deeper than 4 feet (1 meter) underwa- ter, or at elevations higher than 14,000 feet (4,267 meters), it will perform a diagnostic check followed by immediate shutdown.

  • Page 38: Summary Of Access To Set Modes

    ® SUMMARY OF ACCESS TO SET MODES ( settings entered by the factory appear in italics ) To access a specific Set mode from the Surface Mode, press the button(s) as follows: SET MODE TO ACCESS TO VIEW TO SAVE To access/set>...

  • Page 39: Pre Dive And Dive Modes

    Datamax Pro Plus PRE DIVE DIVE MODES refer to page 42 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 40: Operational Modes

    Set for Metric, Day is on the left and Month on the right. Year doesn't appear. FO2 MODE The Pro Plus can be used either as an Air computer or as a Nitrox computer. After activation, it will operate as an Air computer without displaying informa- Fig.

  • Page 41: Fo2 50% Default

    FO2 set point is manually changed. FO2 Set for an Air Dive When set with an FO2 value of 'Air', the Pro Plus will perform calculations the same as if FO2 were set for 21% oxygen, internally accounting for oxygen load- ing for any subsequent Nitrox dives.

  • Page 42: Setting Fo2

    Pre Dive Planning Sequence. FO2 Set for a Nitrox Dive You can set the Pro Plus for nitrogen-oxygen (nitrox) mixtures of 21% to 50% oxygen (O2). If FO2 is set at a value of 21% (Fig. 33), the unit will remain set as a '21% nitrox computer' for subsequent nitrox dives until FO2 is set to a Fig.

  • Page 43: Pre Dive Planning Sequence

    Datamax Pro Plus Once a dive is made with the Pro Plus set as a nitrox computer (FO2 set for a numerical value), it cannot be set for 'Air' until 24 hours after the last nitrox dive. However, you can set FO2 for 21% for use with air.

  • Page 44: Prior To A Repetitive Dive

    If the segments of the O2 bar graph are displayed (Fig. 36), that next dive is calculated to be controlled by oxygen loading. The Pro Plus will store oxygen accumulation for up to 10 dives conducted dur- ing a 24 hour period. In the event that the maximum limit for oxygen loading has been exceeded for that day, all of the segments of the O2 bar graph will be displayed (Fig.

  • Page 45: No Decompression Dive Mode

    NO DECOMPRESSION DIVE MODE As long as it is activated on the surface, the Pro Plus will enter the No Decom- pression Dive Mode when you descend deeper than 5 feet (1.5 meters), regard- less of the operating mode it is in.

  • Page 46: Secondary Display

    ® Secondary Display (access if Alternate is set ON or OFF) DECO To view water Temperature, Time of Day, and if FO2 was set for a numerical value, display the current level of PO2 (Fig. 40): • press the Advance (Left) button 1 time •...
  • Page 47 'DECO' zone (Fig. 42a). VIOLATION MODES DECO The Pro Plus enters Violation Modes when it is unable to predict an ascent procedure. GAUGE MODE If the Pro Plus enters a Permanent Violation Mode, it will not display informa- tion relating to nitrogen or oxygen loading for the remainder of that dive or for subsequent dives conducted during the 24 hour period after surfacing.

  • Page 48: Ascending To The Surface

    ® ASCENDING TO THE SURFACE While ascending to shallower depths, the segments that have filled up the Tis- sue Loading Bar Graph will begin to recede (Fig. 43), offering a graphic repre- sentation of your multilevel diving capability. By 'backing off' on the bar graph (fewer segments), you can establish a personal level of conservatism and mar- gin of protection.

  • Page 49: Altitude Diving

    (Fig. 44a). You will be alerted by all segments of the bar graph flashing. The flashing will stop when your ascent rate is slowed. ALTITUDE DIVING The mathematical model within the Pro Plus accounts for the reduced No De- compression dive time available at higher elevations based on NOAA (National DECO Oceanic and Atmospheric Administration) guidelines.
  • Page 50 • Until it has shut itself off, you must not use the Pro Plus at a different altitude than the alti- tude where it was originally activated. Doing so will result in an error equal to the differ-...

  • Page 51: Post Dive Modes

    Datamax Pro Plus POST DIVE MODES refer to page 51 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 52: First 2 Hours After A Dive

    ® FIRST 2 HOURS AFTER A DIVE DECO When you ascend to 3 feet (1 meter) or shallower, the Pro Plus will enter Sur- face Mode and begin counting your surface interval. TRANSITION PERIOD The first 10 minutes is, in affect, a Transition Period during which time the following information is displayed (Fig.

  • Page 53: To View That Dive's Log

    Datamax Pro Plus To view that Dive's Log (during the Transition Period): • press the Advance (Left) button 2 times, or - • press the Advance (Left) button 1 time, if viewing Temp/Date/Time • the unit will revert to Surface Mode after 2 minutes, if no button is...

  • Page 54: To Access Fo2 Mode

    ® To access FO2 Mode: DECO • press the Advance (Left) button 2 times (while in Surface Mode) • If the FO2 Default was set OFF, the FO2 setting displayed will be the same value previously set (Fig. 48). • If the FO2 Default was set ON, the FO2 value displayed (Fig. 49) will be the 'default value' of 50 (%) and will have to be set for the breathing gas used for the next dive.

  • Page 55: To Access Time To Fly And Desaturate Countdowns

    Datamax Pro Plus The Pre Dive Planning Sequence will only scroll to the maximum depth al- DECO lowed by the nitrogen or oxygen limit, whichever is in control. The respective bar graph will be displayed to indicate which is in control.

  • Page 56: Log Mode

    ® LOG MODE Information from your 12 latest dives is stored in the Log for viewing. After 12 dives are accumulated, each subsequent dive will overwrite the oldest dive in the log (i.e., the most recent dive deletes the oldest). Log information will not be lost when batteries are removed, but factory service will delete the logs.
  • Page 57 Datamax Pro Plus To access a specific dive's log, press the Advance (Left) button repeatedly. DECO To view the second screen for that dive (Nitrogen Log- Fig. 55): • press the Select (Right) button 1 time • Log Mode icon •...

  • Page 58: After The First 2 Hours

    • the unit will revert to Fly Mode after 2 hours, if no button is pressed DOWNLOADING DATA TO PC Using special infrared linking hardware and a unique PC software program, data from your dives can be downloaded (copied) from your Pro Plus into an IBM compatible PC program running on a Windows ®...
  • Page 59 Datamax Pro Plus To access the External Access (EA) Mode: DECO • press both buttons simultaneously while in Surface Mode • press the Advance (Left) button 14 times • the letters EA appear, flashing (Fig. 58) • press the Advance (Left) button to revert to Surface Mode, or - •...

  • Page 60: Summary Of Access To Post Dive Modes

    ® SUMMARY OF ACCESS TO POST DIVE MODES During the first 2 hours after a dive* ( after the 10 minute Transition Period has ended ): MODES TO ACCESS TO VIEW Backlight press Either '1 time' Temperature/Date/Time press Left '1 time' FO2 set press Left '2 times' >...

  • Page 61: Handling The Extremes

    Datamax Pro Plus HANDLING EXTREMES refer to pages 66-68 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 62: Avoiding And Managing Decompression

    No Decompression Limit. As you use DECO the Pro Plus and become familiar with the Tissue Loading Bar Graph, you will notice that it displays fewer segments for shorter dive times and shallower depths.

  • Page 63: Decompression Dive Mode

    Datamax Pro Plus DECOMPRESSION DIVE MODE The Pro Plus is designed to help you by providing a complete representation of how close you are to entering decompression. Decompression Dive Mode acti- vates when theoretical no decompression time/depth limits are exceeded.

  • Page 64: Secondary Display

    If you inadvertently exceed no 0 5 10 30 40 50 60 Fig. 62 - Alternate Display decompression limits, the Pro Plus will provide critical information regarding your remaining breathing gas supply.
  • Page 65 *If the audible alarm feature was set to OFF, only a double beep will be emitted to alert you. There is no need to panic. The Pro Plus has allowed for (calculated) the breathing gas you will consume while making a safe controlled ascent, includ-...

  • Page 66: Managing Decompression Stops

    (Fig. 65b) until the next shallower Stop Depth appears. Then, you can slowly ascend to, but not shallower than, that indicated ceiling Stop Depth. Once all required decompression has been completed, the Pro Plus will switch DECO to the No Decompression Dive Mode. This is indicated by Total Ascent Time = 0:00, and the Tissue Loading Bar Graph receding into the Caution Zone.

  • Page 67: Conditional Violation Mode

    If you descend below the required decompression ceiling before 5 minutes have elapsed, the Pro Plus will continue to function as if no violation had occurred. In this case, no off-gassing credit will be given, and for each minute above the ceiling 1 minutes of penalty time is added to Required Stop Time.

  • Page 68: Delayed Violation Mode

    DELAYED VIOLATION MODE DECO Three conditions cause the Pro Plus to enter the Delayed Violation Mode: 1. Above the Required Ceiling Stop Depth for 'more than 5 minutes'. The Audible Alarm will emit one long beep and the Total Ascent Time display (Fig.

  • Page 69: Exceeding Maximum Operating Depth

    IMMEDIATE VIOLATION MODE Five minutes after reaching the surface from a dive in which a Delayed Viola- tion occurred, the Pro Plus will enter an Immediate Violation Mode. If a ceiling much greater than 60FT (18M) is required, an Immediate Violation Mode (Fig.

  • Page 70: Gauge Mode

    GAUGE MODE DECO The Pro Plus will operate with limited functions in Gauge Mode during the 24 hours after a dive in which a Permanent Violation occurred. Underwater, the Gauge Mode is a continuation of the Immediate Violation Mode that turns the Pro Plus into a digital instrument without any decompression or oxygen moni- toring functions.

  • Page 71: Oxygen Exposure

    DECO HIGH PO2 DIVE MODE The Pro Plus enters the High PO2 Dive Mode when partial pressure of oxygen becomes equal to, or greater than, 1.40 ATA. The current PO2 value and the symbol 'PO2' will appear and remain on display (Fig. 74) until PO2 decreases below a value of 1.40 ATA.

  • Page 72: High Oxygen Accumulation

    ® When PO2 reaches a value of 1.60 ATA (Fig. 75), the large red segment of the DECO O2 bar graph, the PO2 value, and PO2 symbol will flash continuously and the Audible Alarm will emit one beep per second* as a warning until the level of PO2 decreases below 1.60 ATA.

  • Page 73: Unexpected Loss Of Displayed Information

    Oceanic suggests always leaving the water with the Oxygen Accumu- lation Bar Graph in the green (normal) zone. UNEXPECTED LOSS OF DISPLAYED INFORMATION If your Pro Plus stops working for any reason, it is important that you have anticipated this possibility and are prepared for it. Be a -...
  • Page 74 • Special training, equipment, and support are necessary for diving deeper than the maximum recommended sport diving depth limit of 130 feet (39 meters). Oceanic does not advocate diving to depths below 130 feet (39 meters), the basis for which is purely theoretical.
  • Page 75 Oceanic advises you not use a Pro Plus dive computer. • If you exceed certain limits, the Pro Plus will not be able to tell you how to get safely back to the surface. These situations exceed tested limits and can result in loss of some Pro Plus functions for 24 hours after the dive in which a violation occurred.
  • Page 76 • It should not be considered that the capabilities built into the Pro Plus provide any implied approval or consent from Oceanic for individuals to exceed the defined limits of recreational...

  • Page 77: Care And Maintenance

    Datamax Pro Plus CARE MAINTENANCE refer to page 78 for - WARNINGS and SAFETY RECOMMENDATIONS...

  • Page 78: Care And Cleaning

    Small scratches will naturally disappear underwater. AFTER THE DIVE DECO Soak and rinse the Pro Plus in fresh water following each dive, and check the Prevent low pressure sensor guard cap to ensure that it is free of any debris or obstruc- Scratches tions.

  • Page 79: To Obtain Service

    Datamax Pro Plus Oceanic recommends that you continue to have this inspection performed ev- ery year to ensure your Pro Plus is working properly. The costs of annual in- spections are not covered under the terms of the 2 year limited warranty.

  • Page 80: Battery Life

    1 hour dives per dive day). Yearly replacement is recommended. NOTE: The disposable battery supplied with the unit is not covered by the Pro Plus limited 2 year warranty. LOW BATTERY CONDITION During unit operation, voltage level is checked every 10 minutes. A Low Bat- tery condition is indicated by the Battery icon appearing in the lower display (Fig.
  • Page 81 Low Battery icon appearing on the display. There will be sufficient battery power to maintain unit operation 'for the remainder of that dive'. NOTE: The Pro Plus will continue to function on real time for a period of 10 seconds after the battery is removed, maintain- ing Nitrogen and Oxygen calculations for a repetitive dive.

  • Page 82: Battery Replacement

    • Closely check the battery hatch and the housing sealing surfaces for any signs of damage that might impair proper sealing. If found, return your Pro Plus to your Authorized Oceanic Dealer, and DO NOT attempt to use Fig. 78 - Case Back...
  • Page 83 • Closely examine the inside of the battery compartment for any signs of corrosion indicating entrance of moisture into the unit. If found, return your Pro Plus to an Authorized Oceanic Dealer, and DO NOT use it until it has received service.
  • Page 84 • If any portions of the display are missing or appear dim, or if a Low Bat- Fig. 80 - Battery Orientation tery condition is indicated, return the unit to your Authorized Oceanic Dealer for a complete evaluation before attempting to use it.

  • Page 85: Oceanic Facilities

    Tel: 510-562-0500 Fax: 510-569-5404 Oceanic International (Pacific) http://www.oceanicusa.com Kapolei, Hawaii service@oceanicusa.com Tel: 808-682-5488 Fax: 808-682-1068 Oceanic Europe Oceanic Diving Australia Pty. Ltd Pomezia, Italy Sorrento, Victoria, Australia Tel: 39-6-910-4148 Fax: 39-6-910-4163 Tel: 61-3-5984-4770 Fax: 61-3-5984-4307 Oceanic SW, Ltd Oceanic Asia-Pacific Pte. Ltd...
  • Page 86 Doing so may damage the depth sensor, possibly resulting in erroneous depth and/or dive time remaining displays. • If you are in doubt about the accuracy of your Pro Plus depth readings, DO NOT attempt to dive with it until it has been inspected by Oceanic Customer Service.

  • Page 87: Reference

    Datamax Pro Plus REFERENCE refer to page 80 for - WARNINGS and SAFETY RECOMMENDATIONS...
  • Page 88 • Decompression diving is inherently hazardous and greatly increases your risk of decompres- sion sickness - even when performed according to the computer's calculations. • Using the Pro Plus, just as using the U.S. Navy, or other, No Decompression Tables, is no guarantee of avoiding decompression sickness, i.e. “the bends.”...

  • Page 89: No Decompression Limits

    (58) times as you take advantage of the multilevel dive capabilities of- (21) (41) fered by the Pro Plus. Notice also that the Pro Plus Pre Dive Plan- (24) (31) ning Sequence does not scroll past 160 feet (48 meters).

  • Page 90: Oxygen Exposure Limits

    ® OXYGEN EXPOSURE LIMITS Predicted exposure limits and oxygen calculations of the Pro Plus are based on maximum exposure durations (Fig. 82) published by the National Oceanic and Atmospheric Administration in the October 1991 NOAA Diving Manual. Maximum Exposure Time...
  • Page 91 Datamax Pro Plus Tissue Tissue etc. Half-Time Half-Time DECO DECO DECO DECO DECO DECO DECO DECO DECO DECO Display Seen by the Diver Display Seen by the Diver No. of etc. No. of Segments Segments Fig. 83 - Tissue Compartment Control...

  • Page 92: Specifications

    ® SPECIFICATIONS NO DECOMPRESSION MODEL OPERATIONAL MODES Basis: • Activation/Diagnostic • Modified Haldanean Algorithm • Surface - • 12 tissue compartments • Temperature/Date/Time • FO2 Set Point Data Base: • Pre Dive Planning Sequence • Diving Science and Technology (DSAT) - Rogers/Powell •...
  • Page 93 Datamax Pro Plus SPECIFICATIONS (continued) DISPLAY RANGE/RESOLUTION Oxygen Accumulation (O2) Bar Graph: segments Numeric Displays: Range: Resolution: • Dive Number 0 - 9 Normal zone (green) Caution zone (yellow) • Depth 0 - 330 ft (0 - 99.5 m) 1 ft (.5 m) •...
  • Page 94 • Life expectancy 300 dive hours (if 1 - 1 hour dive per dive day) to over • OceanLog™ for Pro Plus - PC Download Package 600 dive hours (if 2 or more 1 hour dives per dive day). (hardware and software program)

  • Page 95: Glossary

    Datamax Pro Plus GLOSSARY Air Dive - A dive conducted using air (approximately 21% oxygen & 79% nitrogen) as the breathing gas. Algorithm - A step-by-step mathematical formula designed to accomplish a particular result (i.e. Dive Time Remaining in the Pro Plus).
  • Page 96 ™ 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. Icon - a small pictorial representation of an operational mode Integrated Dive Computer - A dive computer that monitors and displays cylinder pressure in addition to no decompression information.
  • Page 97 Transition Period - The first 10 minutes of surface time after ascending above 3 feet (1 meter) from a dive. VARI - Abbreviation for Variable Ascent Rate Indicator. Variable Ascent Rate Indicator ™ - A display on the Pro Plus that shows ascent rate as a bar graph alongside a color–coded indicator (part of the Graphic Diver Interface).

  • Page 98: Service Record

    AS A RESPONSIBLE DIVER I UNDERSTAND AND ASSUME Purchased from _______________ THE RISKS I MAY ENCOUNTER WHILE DIVING. Below to be filled in by an Authorized Oceanic Dealer: Date Service Performed Dealer / Technician RESPONSIBLE DIVING BEGINS WITH • DIVING WITHIN THE LIMITS OF MY ABILITY AND TRAINING •...
  • Page 99 Tissue Loading Bar Graph Variable Ascent Rate Indicator Oxygen Loading Bar Graph Breathing Gas Time Remaining Bar Graph DECO Icon - Maximum Depth Icon - Log Mode Icon - Audible Alarm Icon - Temperature Icon - Deco Stop Ceiling Icon - Elapsed Dive Time Icon - Operating Mode (detail A) Icon - Low Battery m.
  • Page 100 OCEANIC USA 2002 Davis Street San Leandro, Ca. 94577 Phone: 510/562-0500 Fax: 510/569-5404 Web: http://www.oceanicusa.com © 2002 Design 1999 Doc. No. 12-2141,R1 (10/25/99)

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