Tusa Platina IQ-600 Instruction Manual
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Tusa Platina IQ-600 Instruction Manual

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  • Page 1 IQ-600...
  • Page 2 This manual contains important safety and maintenance information. Read this manual thoroughly and become familiar with all of your scuba equipment before diving. Important information regarding the use or maintenance of your dive computer is designated, throughout this man- ual, by the IMPORTANT symbol appearing above. This manual also uses several signal words to designate haz- ards with various levels seriousness.

  • Page 3: Table Of Contents

    Contents 1.00 Introduction 1.01 Simply Reliable 1.02 Key Features 1.03 Common Sense Warnings 2.00 Using the IQ-600 2.01 Accessing Display Modes 2.02 Surface Mode 2.03 Dive Plan Mode 2.04 FO Set Mode 2.05 Date/Time Set Mode 2.06 Dive Mode 2.07 How the IQ-600 Measures (Times) 2.08 Understanding FO Default 2.09 PO...

  • Page 4: Introduction

    Scuba dive computer. You’re about to experience the TUSA difference in diving equipment—products that are simply reli- able. At TUSA, we focus on the type of diving you do, then design products that address your specific needs. The simple, purposeful designs of all TUSA equipment provide you with reliable, trouble-free performance, dive after dive.
  • Page 5 Depending on use, the IQ-600’s battery can last up to 18 months or more before needing replacement. Battery replace- ment is recommended to be performed by an authorized TUSA dealer, or by the consumer, following the instructions appearing in this manual. ™...

  • Page 6: Common Sense Warnings

    1.03 Common Sense Warnings As is true of every piece of diving equipment—including all dive computers—the IQ-600’s abilities are not limitless. Thus, there are certain limitations and restrictions of which you must be aware, and certain precautions you must take, when using the IQ-600.
  • Page 7 The IQ-600 is designed for use by divers breathing either normal compressed air or Enriched Air Nitrox (EANx) mixtures whose fraction of oxygen (FO ) falls within a range of from 22 to 50 percent. Although the IQ-600 is capable of calculating decompression stop requirements, this ability is provided as a safety feature only, should recreational divers accidentally exceed the No-Decompression Limits (NDLs).
  • Page 8 Neither the IQ-600—nor any other dive computer presently available—physically measures the amount of nitrogen present in body tissues, or the rate at which this nitrogen is being absorbed or released. Instead, the IQ-600 monitors depth and time, and uses this data to work a mathematical formula designed to emulate how individuals in good general health and whose physical characteristics do not place them among those at higher risk of decompression illness are assumed to...

  • Page 9: Using The Iq-600

    2.00 Using the IQ-600 The key to using the IQ-600 correctly is learning to access, recognize and interpret the data presented in its various dis- play modes. The IQ-600 is capable of displaying far more data than can fit in a single screen. Thus, to help avoid confusion, it displays only that data which is relevant to a particular situa- tion.
  • Page 10 Figure 1: The front of the IQ-600, showing its Liquid Crystal Display (LCD) and the two large A and B buttons. You will find both buttons easy to use. In some instances, you may need only press a button once and release it to achieve the desired result.

  • Page 11: Surface Mode

    2.02 Surface Mode Surface Mode is the IQ-600’s default mode. In this mode, the IQ-600’s Liquid Crystal Display (LCD) displays a minimum of date, time of day and Altitude Rank. Within 24 hours of surfacing from a dive, the IQ-600 will display additional infor- mation while in Surface Mode.
  • Page 12 Figure 3: Surface Mode. When at least 24 hours has passed since previous dives and the IQ-600 determines there is no significant residual nitrogen present (and the cumulative effect of exposure to elevated PO s has sufficiently diminished), it displays only date, time of day and Altitude Rank, as shown in the upper left.
  • Page 13 Do not use your IQ-600 to dive at altitude unless the altitude settings accurately match the actual height above sea level. Doing so could cause the IQ-600 to dis- play inaccurate information. You should also not use your IQ-600 to dive at alti- tude when the letter E appears instead of the numbers 0, 1, 2 or 3.
  • Page 14 Your IQ-600 monitors and adjusts for changes in altitude in all modes except Dive and Date/Time Set Mode. It will display its current altitude settings in all modes except Log, Date/Time Set, Upload and Profile Modes (in Log Mode it displays the altitude settings applicable to a particular dive).
  • Page 15 5. “No Fly” Symbol—If less than 24 hours has passed since a previous dive, the IQ-600 will display a “No Fly” symbol while in Surface Mode. Experts recommend divers wait at least 24 hours following any dive before flying in an aircraft or driving to altitude.
  • Page 16 One of the greatest benefits of this symbolic representation of nitrogen levels during surface intervals is that it helps you decide how long to wait before reentering the water. For example, should you elect to make a repetitive dive when there are more than just a few pixels appearing, you will discover that your available no-decompression dive time ends up being very short.
  • Page 17 Figure 4: Low Battery Symbol. Once the Low Battery warning appears, you must return your IQ-600 to your local authorized TUSA distributor for battery replacement, or replace the battery your- self, following the procedures outlined later in this manual. Before replacing your IQ-600’s battery, be sure to upload or copy...

  • Page 18: Dive Plan Mode

    To exit this mode: You can exit Surface Mode in a variety of ways. Among them: Enter Another Mode—Take the steps outlined shortly to enter Dive Plan, Date/Time Set, Log, Profile or Transfer Modes. Go Diving—You can also simply take your IQ-600 under water, thus activating Dive Mode.
  • Page 19 Figure 5: Dive Plan Mode. To enter this mode: From Surface Mode, simply press the A button once and release it. What you will see: As shown in Figure 5, what you will see when you first enter Dive Plan Mode will depend on its current setting (we cover how to change this setting shortly).
  • Page 20 1. Depth—When you first enter Dive Plan Mode, the initial depth displayed will be 30 feet or 9 meters. You can advance this depth in 9.8-ft/3m increments by pressing and releasing the A button. The IQ-600 is capable of displaying 14 different dive-plan depth increments, up to a maximum depth of 157 ft/48m.
  • Page 21 Depth Depth EAN32 EAN36 (Feet) (Meters) - - - - - - - - - - - - - - - - - - - - - - - - Similarly, for combinations of depth and FO that would cause divers to exceed a limiting PO of 1.6 atmospheres, a series of horizontal bars will appear in place of the No-Decompression...
  • Page 22 3. Fraction of Oxygen (FO )—The IQ-600 will display its current setting in one of three ways: NOT SET—If your IQ-600’s FO setting has defaulted, a series of horizontal bars appears. Again, see page 00 for a more extensive discussion of why, when and how your IQ-600’s FO setting defaults.

  • Page 23: Fo Set Mode

    To exit this mode: You may exit Dive Plan Mode in a variety of ways: Go Diving—Taking the IQ-600 under water will cause it to automatically leave Dive Plan Mode and enter Dive Mode. Return to Surface Mode—To do so, simply press and hold the A button for at least three seconds.
  • Page 24 What you will see: As shown in Figure 6, when you enter Set Mode, the depth and NDL will disappear, and the FO value will begin to blink. Figure 6: FO Set Mode. To change settings: Press button B. If you press this button once and release it, the FO value will advance by one percent.

  • Page 25: Date/Time Set Mode

    Return to Dive Plan Mode—To do so, simply press button A. Do Nothing—The IQ-600 will return automatically to Surface Mode within five to six minutes. 2.05 Date/Time Set Mode Prior to using your IQ-600 under water, you will not only want to check its FO setting, but also that it displays the cor- rect date and time.
  • Page 26 Figure 7: Date/Time Set Mode. If the hour displayed is correct—or you have changed it to the correct hour and wish to proceed further—simply press the A button. The minutes display will now blink. You can either change this using the B button, or continue on to the seconds display.

  • Page 27: Dive Mode

    Changing Units of Measurement: While in Date/Time Set Mode, you can also change the how the IQ-600 displays depth and water temperature. Simply press and hold buttons A and B for 30 seconds. You will hear the computer’s audible alarm sound.
  • Page 28 To enter this mode: Simply take the IQ-600 under water. It will enter Dive Mode automatically. Figure 8: Dive Mode (No Decompression). What you will see: When you first enter Dive Mode,the IQ- 600 will display a variety of data, including: 1.
  • Page 29 5. Residual Nitrogen Bar Graph—A visual representation of how much nitrogen the IQ-600 assumes your body has absorbed. When all nine pixels appear, it means you are at or have exceeded the No-Decompression Limit. 6. Oxygen Limit Index (OLI)—Again, this is a column of up to eight circular pixels representing the cumulative effect of your exposure to elevated partial pressures of oxygen (PO...
  • Page 32 Decompression diving is widely believed to entail substantially greater risk of decompression illness than dives made well within No-Decompression Limits (NDLs). The IQ-600 provides decom- pression stop information solely as a con- tingency in case divers accidentally exceed the No-Decompression Limits. It is not designed or intended for use as a tool to plan or execute dives that participants know, going in, will...
  • Page 33 1. The DECO symbol will appear. At first, this symbol will blink for several seconds. Then it will continue to appear, without blinking, until the IQ-600 determines that manda- tory decompression stops are no longer required. 2. In place of Maximum Depth, an initial stop depth of 10 ft/3m will appear.
  • Page 34 Be aware that it is possible to make stops at depths deeper than those indicated; however, you may find doing so increas- es the time you must spend at each stop. For example, let’s say that the indicated stop is five minutes at 10 ft/3m. You choose, however, to make your stop at 15 ft/5m.
  • Page 35 No Decompression Status—You can help remain within the No-Decompression Limits (NDLs) by monitoring both the remaining No-Decompression Limit displayed on the right- hand side of the screen and the Residual Nitrogen Bar Graph on the left. Bear in mind that the remaining No- Decompression Limit may decrease rapidly if you descend to deeper depths.
  • Page 36 If you exceed these ascent rates, the IQ-600’s audible alarm will sound, and the computer will display its Ascent Rate Warning, as shown in Figure 10. This consists of the SLOW symbol and current depth indicators blinking on and off. The Ascent Rate Warning will continue to display until you slow your ascent rate to that which the IQ-600 finds acceptable, or until you reach a depth of 5 ft/1.5m.
  • Page 37 If you find yourself in Deco Stop Violation, descend to or below the indicated stop depth and remain for the time shown. If conditions make this impossible, make your stop between 3-7 ft/1-2m, and remain there until the IQ-600 returns to Dive Mode (this may take considerably longer than the display suggests it will).
  • Page 38 Figure 12: PO Warning. Be aware that, should the PO Warning activate at a depth of 20 ft/6m or less, you most likely have not exceeded a limiting PO of 1.6 atmos- pheres. What is more likely is that you forgot to set the IQ-600’s FO prior to the dive.
  • Page 39 When seven of the OLI’s eight pixels appear, the IQ-600’s audible alarm will sound for three seconds, and the OLI dis- play will blink on and off for the same amount of time. Figure 13: Oxygen Limit Index (OLI) Warning. If you do not ascend to a shallower depth, and all eight of the OLI’s eight pixels appear, the alarm will again sound and the display will again blink.
  • Page 40 If you remain well within normal recreational diving depth and time limits, the odds that the cumulative effects of your exposure to elevated partial pressures of oxygen will actually exceed the IQ- 600’s Oxygen Limit Index are almost nonexistent. Out-of-Range Warning—There is one more warning that your IQ-600 is theoretically capable of sounding and displaying.

  • Page 41: How The Iq-600 Measures (Times)

    An IQ-600 displaying an “Out of Range” Warning is incapable of displaying other critical information such as depth, time, Ascent Rate, PO , OLI and Deco Stop Violations, and required decompression stops. For this reason, you should not— under any circumstance—use a IQ-600 in such a way that would cause the Out-of- Range Warning to be displayed.

  • Page 42: Understanding Fo

    Less Than More Than 10 Minutes 10 Minutes 5.0 Feet 1.5 Meters SAME DIVE SEPARATE DIVE Figure 15: How the IQ-600 measures Actual Bottom Time and Surface Interval Time. However, as Figure 15 shows, if you spend less than ten min- utes at the surface, or above a depth of 5 ft/1.5m, then descend again, the IQ-600 will count both descents—and the surface interval between them—as part of the same dive.
  • Page 43 The IQ-600 is designed to help divers avoid such situa- tions by presenting information and warnings regarding cur- rent PO levels and cumulative exposure to elevated PO s. To do so, however, the IQ-600 must be set to an FO that accu- rately matches the concentration of oxygen in the gas mixture being breathed.
  • Page 44 As discussed earlier, if you ascend above a depth of 5 ft/1.5m, then descend below this depth within ten minutes, the comput- er will treat this descent as a continuation of the same time, made using the same cylinder(s). Thus, the computer will hold its current FO setting for the continuation of the dive.
  • Page 45 All right, what if you miss or ignore the FO Default Alarm and dive anyway? As discussed previously, the PO Warning should sound/appear at a depth of approximately 20 ft/6m. This should be soon enough for you to surface and correct the problem without affecting the computer’s Oxygen Limit Index (OLI) too adversely.
  • Page 46 Be aware, however, that the computer’s ability to accurately track your exposure to elevated partial pressures of oxygen is now shot for the next 24 hours. Another situation worth addressing would be one typically encountered by dive instructors conducting open-water train- ing.

  • Page 47: Po /Time/Temp Mode

    2.09 PO /Time/Temp Mode If, during the midst of a dive, you are curious as to the current level, time or temperature, the IQ-600 can provide you this information. Figure 16: PO /Time/Temp Mode. To enter this mode: While in Dive Mode, press and hold button A. What you will see: Three new items will appear.

  • Page 48: Log Mode

    2.10 Log Mode The IQ-600’s Random Access Memory (RAM) can store and display data for up to ten dives. This makes it possible for users to make a series of dives, then later transfer key dive data to a separate log book, or upload it to a personal comput- er using the available PC software and interface.
  • Page 49 1. Date—The date of the dive. 2. Start Time—Time at which the computer first descended below 5 ft/1.5 m. 3. Stop Time—Time at which the computer last ascended above 5 ft/1.5 m. 4. Maximum Depth—The deepest point reached during the dive. 5.
  • Page 50 This alternate screen displays the following new information: 1. Dive Number—This indicates whether, on the date in ques- tion, the log data displayed is for dive number 1, 2, 3, etc. 2. Actual Bottom Time—This includes any safety stop or mandatory decompression stop time.

  • Page 51: Profile Mode

    2.11 Profile Mode Entering Profile Mode enables you to access minute-by- minute depth information from the most recent dives stored in memory. (This same data can be uploaded to a personal com- puter, using the available PC software and interface.) To enter this mode: While in Log Mode, select the dive for which you want to obtain profile data.

  • Page 52: Transfer (Upload) Mode

    To exit this mode: You can exit Profile Mode in a variety of ways, including. Go Diving—The IQ-600 will automatically enter Dive Mode. Return to Log Mode—You can do so by simply pressing button B. Do Nothing—If you take no further action, the IQ-600 will return automatically to Log Mode within five to six minutes.

  • Page 53: Additional Warnings And Cautions

    What you will see: Upon entering Transfer Mode, the only thing you will see is the Mode Indicator pointing to the word TRN. At this point, attach the personal computer interface to your IQ-600 and upload data to your PC, following the instructions supplied with the software and interface.

  • Page 54: General Handling

    Other than for battery replacement, following the procedures outlined in this manual, the IQ-600 is not to be disassembled by anyone other than TUSA or its authorized dealers. Unauthorized disassembly will violate the warranty. If the IQ-600 does not appear to be functioning properly—in any manner—do not use it to dive.

  • Page 55: Battery

    3.02 Battery All IQ-600 functions may cease within two to three days of the Low Battery symbol first appearing. Always have low batteries replaced promptly. A depleted battery that is left in a IQ-600 for a long period of time may leak. Again, have batteries replaced promptly. 3.03 While Diving...

  • Page 56: Care And Maintenance

    (2) year from date of original purchase. Under this limited warranty, TUSA will either repair or replace, at its sole option, any original equipment or parts that fail to perform as intended.
  • Page 57 You must save the original purchase receipt. It is proof of when the dive computer was purchased. This limited warranty applies only to the original purchaser and is not transferable. TUSA makes no warranty or representation regarding the performance of any products used in conjunction with TUSA’s products.

  • Page 58: Disclaimer And Limitation Of Remedy

    5.03 Locating Service and Support Your authorized TUSA Scuba dealer that sold you this dive com- puter will be able to assist you with additional questions regarding product operation, warranty and service. Please take a moment to record your authorized TUSA Scuba dealer’s name, address and...
  • Page 59 Service Record – Retain with IQ-600 Date Purchased _____________________________________ IQ-600 Serial Number________________________________ Where Purchased____________________________________ City ______________________________________________ State______________________________________________ Name _____________________________________________ Address ___________________________________________ City ______________________________________________ State, Zip __________________________________________ Other _____________________________________________ Insp. Date _____________ Dealer Name ________________ Insp. Date _____________ Dealer Name ________________ Insp.
  • Page 60 TABATA U.S.A. INC. 2380 Mira Mar Ave. Long Beach, CA 90815, U.S.A. TEL: 562-498-3708 / FAX: 562-498-1390 TABATA AUSTRALIA PTY. LTD. Unit 11A, 86 Falconer Street, West Ryde, N.S.W. 2114, Australia TEL: 02-807-4117 / Fax: 02-808-1638 T.E.C. (TABATA EUROPE CORPORATION) B.V. NIEUW POORTSRAAT 84 A 1055 RZ AMSTERDAM HOLLAND TEL: 20-681-5955 / FAX: 20-682-4527 TABATA DEUTSCHLAND GMBH...

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