Suunto D6 User Manual
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Suunto D6 User Manual

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Summary of Contents for Suunto D6

  • Page 3: Table Of Contents

    1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTS ... 7 2. WARNINGS, CAUTIONS, AND NOTES ... 9 3. SUUNTO D6 AT A GLANCE ... 15 3.1. Navigating in the menus ... 16 3.2. Button symbols and functions ... 17 4.
  • Page 4 5.4. Nitrox ... 34 5.5. Freediving ... 34 5.6. Audible and visual alarms ... 35 5.7. Error conditions ... 39 5.8. DIVE mode settings ... 40 5.8.1. Setting the depth alarm ... 41 5.8.2. Setting the dive-time alarm ... 42 5.8.3.
  • Page 5 7.1.3. Repetitive dive planning ... 75 7.1.4. Flying after diving ... 75 7.1.5. MEMORY mode ... 76 7.1.6. Suunto Dive Manager (SDM) ... 81 7.1.7. SuuntoSports.com ... 82 8. CARE AND MAINTENANCE ... 84 8.1. Water contacts and buttons ... 84 8.2.
  • Page 6 8.5. Battery replacement ... 87 9. TECHNICAL DATA ... 88 9.1. Technical specifications ... 88 9.2. RGBM ... 91 9.2.1. Suunto RGBM adaptive decompression ... 92 9.2.2. No-decompression limits ... 93 9.2.3. Altitude diving ... 95 9.3. Oxygen exposure ... 96 10.

  • Page 7: Welcome To The World Of Suunto Diving Instruments

    1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTS Suunto D6 was designed to help you get the most out of your diving. After reading this manual and becoming familiar with the functions of your dive computer, you'll be ready to take the plunge into a whole new world of diving.
  • Page 8 – not hanging off you in a tangle of different gauges. To get the most out of your Suunto D6, please read this instruction manual carefully and make sure you understand the use, displays, and limitations of the instrument before using it.

  • Page 9: Warnings, Cautions, And Notes

    Before you go on to read the manual itself, it is extremely important that you read the following warnings. These warnings are intended to maximize your safety while using Suunto D6 and must not be ignored. READ THIS MANUAL! Carefully read this manual in its entirety,...
  • Page 10 NOT FOR PROFESSIONAL USE! Suunto dive computers are WARNING intended for recreational use only. The demands of commercial or professional diving may expose the diver to depths and conditions that tend to increase the risk of decompression illness (DCI). Therefore, Suunto strongly recommends that the device is not used for any commercial or professional diving activities.
  • Page 11 SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS WARNING LIMIT THEIR MAXIMUM DEPTH TO 40 M/130 FT OR TO THE DEPTH CALCULATED BY THE COMPUTER BASED ON THE SELECTED O DIVES THAT REQUIRE DECOMPRESSION STOPS ARE NOT WARNING RECOMMENDED. YOU SHOULD ASCEND AND BEGIN...
  • Page 12 YOU ARE ADVISED TO AVOID FLYING ANY TIME THE WARNING COMPUTER COUNTS DOWN THE NO-FLY TIME. ALWAYS ACTIVATE THE COMPUTER TO CHECK THE REMAINING NO- FLY TIME PRIOR TO FLYING! Flying or traveling to a higher altitude within the no-fly time can greatly increase the risk of DCI. Review the recommendations given by Diver’s Alert Network (DAN) in Section 7.1.4.
  • Page 13 THE DIVE COMPUTER WILL NOT ACCEPT FRACTIONAL WARNING PERCENTAGE VALUES OF OXYGEN CONCENTRATION. DO NOT ROUND UP FRACTIONAL PERCENTAGES! For example, 31.8% oxygen should be entered as 31%. Rounding up will cause nitrogen percentages to be understated and will affect decompression calculations.
  • Page 14 This device contains a Lithium cell battery. To reduce the risk of WARNING fire or burns, do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. Replace only with manufacturer-specified batteries. Recycle or dispose of used batteries properly.

  • Page 15: Suunto D6 At A Glance

    3. SUUNTO D6 AT A GLANCE Daily Alarm Indicator Dive Alarm Indicator No-Fly Icon Safety Stop Indicator Date Dual Time Maximum Depth (Nitrox Mode) Time If no button is pressed for 5 minutes, the dive computer beeps NOTE and returns to the TIME mode automatically.

  • Page 16: Navigating In The Menus

    3.1. Navigating in the menus Suunto D6 has three main operating modes - TIME mode (TIME), DIVE mode (DIVE), and MEMORY mode (MEM) – as well as the COMPASS submode, which can be activated from either TIME or DIVE modes. To toggle between the main modes, press the MODE button.

  • Page 17: Button Symbols And Functions

    3.2. Button symbols and functions The table below explains the main functions of the dive computer's buttons. The buttons and their use will be explained in more detail in the relevant sections of the manual. Table 3.1. Button symbols and functions Symbol Button MODE...
  • Page 18 Symbol Button Press Short Long DOWN Short DOWN Long Main functions Toggle between alternative displays Change submode Increase values Enable gas switching in NITROX mode Toggle between alternative displays Change submode Decrease values Enter Setting mode...

  • Page 19: Getting Started With Your Suunto D6

    BEFORE getting into the water. 4.1. TIME mode settings The first thing you'll want to do with your Suunto D6, is to set the TIME mode shortcuts: alarm, time, dual time, date, units, backlight, and tones. In this section, we look at how to do this.

  • Page 20: Setting The Alarm

    The display is illuminated by holding down the MODE button for NOTE more than 2 seconds. Now that you know how to toggle between the shortcuts, you can start to set them. The following figure shows how to enter the TIME SETTINGS menu. 4.1.1.

  • Page 21: Setting The Time

    ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 4.1.2. Setting the time In the TIME SETTING mode, you are able to set the hour, minute, and second, as well as choose between 12 and 24 hour display. ADJUST WITH UP AND DOWN BUTTONS.

  • Page 22: Setting The Date

    4.1.4. Setting the date Use the DATE SETTING mode to set the year, month, and day. The day of the week is automatically calculated in accordance with the date. 4.1.5. Setting the units In the UNITS SETTING mode you can choose to have the units displayed in either the metric or imperial system - meters/feet, Celsius/Fahrenheit etc.

  • Page 23: Setting The Backlight

    4.1.6. Setting the backlight Use the BACKLIGHT SETTING mode to turn the backlight on or off and to define how long it stays on for (5, 10, 20, 30, or 60 seconds). When the backlight is turned off, it does not illuminate when an alarm sounds. 4.1.7.

  • Page 24: Stopwatch

    DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 4.2. Stopwatch The Suunto D6’s stopwatch measures elapsed and split times. A separate stopwatch (dive timer) can also be used when in GAUGE mode. See Section 6.3. Diving in GAUGE mode (DIVEgauge) . USE DOWN BUTTON TO START STOPWATCH AND TAKE A SPLIT TIME.

  • Page 25: Ac Water Contacts

    4.3. AC water contacts The water and data transfer contact is located on the right side of the case. When submerged, the water contact is connected to the casing (which is the other pole of the water contact) by the conductivity of the water and the “AC” symbol appears on the display.

  • Page 26: Learning How To Use Your Compass

    4.4. Learning how to use your compass Suunto D6 integrates a digital compass, which can be used both while diving and on dry land, and can be accessed from either the DIVE mode or TIME mode.

  • Page 27: Compass Display

    4.4.1. Compass display The Suunto D6 displays the compass as a graphical representation of a compass rose. The rose displays the cardinal and half cardinal points, in addition to which, the current bearing is also displayed numerically.

  • Page 28: Locking A Bearing

    Locked bearings are stored in the memory for later analysis and are available the next time the compass is activated. The Suunto D6 also provides help for navigating square and triangular patterns, as well as navigating a return heading. This is made possible by following graphical symbols in the center of the compass display: Table 4.1.

  • Page 29: Compass Settings

    Symbol Explanation You are 120 (or 240) degrees from the locked bearing 4.4.3. Compass settings You can define the compass settings (declination and calibration) when in COMPASS mode: Declination You can compensate for the difference between true north and magnetic north by adjusting the compass declination.
  • Page 30 Calibration Because of changes in the surrounding magnetic field, the Suunto D6 electronic compass occasionally needs to be re-calibrated. During the calibration process, the compass adjusts itself to the surrounding magnetic field. As a basic rule, you should calibrate the compass whenever it doesn’t seem to operate properly, or after replacing the dive computer's battery.
  • Page 31 If the calibration fails several times in a row, it is possible that you are in an area with sources of magnetism, such as large metal objects, powerlines or electric appliances. Move to another location and try to calibrate the compass again. If the calibration continues to fail, contact an authorized Suunto service center.

  • Page 32: Before Diving

    Make sure that you fully understand the use, displays, and limitations of the instrument. If you have any questions about the manual or the Suunto D6, please contact your Suunto representative before diving with the dive computer.

  • Page 33: The Suunto Rgbm/Deep Stop Algorithm

    It is a significant advance on the classic Haldane models, which do not predict free gas. The advantage of Suunto RGBM is additional safety through its ability to adapt to a variety of situations and dive profiles.

  • Page 34: Dive Computer Limitations

    5.3. Dive computer limitations While the dive computer's calculations are based on current decompression research and technology, it is important to realize that the computer cannot monitor the actual physiological functions of an individual diver. All decompression schedules currently known to the authors, including the U.S. Navy Tables, are based on theoretical mathematical models, which are intended to serve as a guide to reduce the probability of decompression illness.

  • Page 35: Audible And Visual Alarms

    DCI. Therefore, FREEDIVING AFTER SCUBA DIVING IS NOT RECOMMENDED. You should avoid freediving, and not exceed 5 m/16 ft, for at least two hours after scuba diving. Suunto also recommends that you receive training in freediving WARNING techniques and physiology before conducting breathhold dives.
  • Page 36 Table 5.1. Audible and visual alarm types Alarm type Short single beep Three beeps with a three second interval and activated backlight Continuous beeps and activated backlight You are able to preset alarms before the dive. The programmable alarms can be set for maximum depth, dive time and time.
  • Page 37 Table 5.2. Preset alarm types Alarm type Continuous beep series for 24 seconds Maximum depth blinks as long as the current depth value exceeds the preset value. Continuous beep series for 24 seconds or until any button is pressed. Dive time blinks for one minute. Current time is shown Continuous beep series for 24 seconds or until any button is pressed.
  • Page 38 Table 5.3. Oxygen alarms in NITROX mode Alarm type Continuous beeps for 3 minutes and activated backlight When the backlight is turned OFF, it does not illuminate when an NOTE alarm is activated. WHEN THE OXYGEN LIMIT FRACTION INDICATES THAT THE WARNING MAXIMUM LIMIT IS REACHED, YOU MUST IMMEDIATELY ASCEND UNTIL THE OLF VALUE STOPS BLINKING.

  • Page 39: Error Conditions

    5.7. Error conditions The dive computer has warning indicators that alert you to react to certain situations that would significantly increase the risk of DCI. If you do not respond to its warnings, the dive computer will enter an Error mode, indicating that the risk of DCI has greatly increased.

  • Page 40: Dive Mode Settings

    5.8. DIVE mode settings Suunto D6 has several user-definable functions, as well as depth and time-related alarms that you can set according to your personal preferences. The DIVE mode settings are dependent on the dive sub-mode chosen (AIR, EAN, GAUGE), so that, for example, nitrox settings are only available in the DIVEean sub-mode.

  • Page 41: Setting The Depth Alarm

    The settings cannot be activated until 5 minutes has elapsed after NOTE the dive. 5.8.1. Setting the depth alarm You can set a depth alarm in the dive computer. ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. USE UP AND DOWN BUTTONS TO TOGGLE BETWEEN DIVE SETTINGS.

  • Page 42: Setting The Dive-Time Alarm

    100 m/9 ft to 328 ft. 5.8.2. Setting the dive-time alarm The Suunto D6 has a dive-time alarm setting which, when activated, can be used for several purposes to add to your diving safety. With a range of 1 - 99 minutes, the alarm can be set to your NOTE planned bottom time, for example.
  • Page 43 In order to minimize the risk of error during a dive, it is highly recommended that the mixes are set in the proper order. This means that as the mix number rises, so does oxygen content, and this is the order they are usually used during the dive. Before a dive, only set to “ON”...

  • Page 44: Setting The Personal/Altitude Adjustments

    5.8.4. Setting the personal/altitude adjustments The current Altitude and Personal Adjustment settings are displayed in the startup screen when entering the DIVE mode. If the mode does not match the altitude or personal conditions (see Section 5.9.4. Diving at altitude and Section 5.9.5. Personal adjustments), it is imperative that you enter the correct selection before diving.

  • Page 45: Setting The Safety Stops/Deep Stops

    5.8.6. Setting the Safety Stops/Deep Stops The Deep Stop setting allows you to choose between traditional Safety Stops or Deep Stops. If Deep Stops are set to OFF, the traditional Safety Stop calculation is used. If set to ON, iterative Deep Stops will be prompted instead. The length of the individual Deep Stops can be set to 1 or 2 minutes.

  • Page 46: Activation And Pre-Checks

    5.9.1. Accessing DIVE mode The Suunto D6 has three diving modes: AIR mode for diving with standard air only, NITROX mode for diving with oxygen enriched mixtures, and GAUGE mode for use as a bottom timer and for freediving.
  • Page 47 After activation, all display elements turn on showing mostly figure 8s and graphical elements, and the backlight and the beep are activated. After this, the selected altitude and personal settings are displayed, as well as the RGBM and Deep Stop status. A few seconds later the battery power indicator is shown.

  • Page 48: Battery Power Indication

    For more information on the NITROX mode, refer to Section 6.2. Diving in NITROX mode (DIVEean) . The dive computer is now ready for diving. 5.9.3. Battery power indication Temperature or internal oxidation of the battery affect the battery voltage. If the instrument is stored for a long period, or used in cold temperatures, the low battery warning may be displayed even though the battery has enough capacity.

  • Page 49: Diving At Altitude

    5.9.4. Diving at altitude The dive computer can be adjusted both for diving at altitude and also to increase the conservatism of the mathematical nitrogen model. When programming the instrument for the correct altitude, you need to select the correct Altitude Adjustment settings according to Table 5.5, Altitude Adjustment settings. The dive computer will adjust its mathematical model according to the entered altitude setting, giving shorter no-decompression times at higher altitudes (see Table 9.1, No- decompression time limits for various depths (m) and Table 9.2, No-decompression...

  • Page 50: Personal Adjustments

    5.9.5. Personal adjustments There are personal factors that can affect your susceptibility to DCI, which you can predict in advance, and input into the decompression model. Such factors vary between divers and also for the same diver from one day to another. The three-step Personal Adjustment setting is available if a more conservative dive plan is desired and, for very experienced divers, a two step adjustment for RGBM effect on repetitive dives is available.
  • Page 51 Several risk factors or conditions exist The Suunto D6 also allows experienced divers who are willing to accept a greater level of risk to adjust the RGBM model. The default setting is 100%, which gives full RGBM effect. Suunto strongly advises you to use full RGBM effect. Statistically, very experienced divers have less incidents with DCI.

  • Page 52: Safety Stops

    The reasons for performing a Safety Stop include: reducing sub-clinical DCI, microbubble reduction, ascent control, and orientation before surfacing. The Suunto D6 displays two different types of Safety Stops: Recommended Safety Stop and Mandatory Safety Stop. 5.10.1. Recommended Safety Stops With every dive over 10 meters, there is a three minute countdown for the Recommended Safety Stop, to be taken in the 6 - 3 m/10 ft - 20 ft range.

  • Page 53: Mandatory Safety Stops

    5 seconds, the microbubble build-up is predicted to be more than is allowed for in the decompression model. The Suunto RGBM calculation model responds to this by adding a Mandatory Safety Stop to the dive.
  • Page 54 The STOP sign appears in the display and when you reach the depth zone between 6 m and 3 m/20 ft and 10 ft, the CEILING label, ceiling depth, and the calculated Safety Stop time also appear in the display. You should wait until the Mandatory Safety Stop warning disappears.

  • Page 55: Deep Stops

    5.11. Deep stops The Suunto D6 allows you to choose a Deep Stop algorithm instead of the traditional Recommended Safety Stop. Deep Stops are safety stops that occur deeper than traditional stops, with the purpose of minimizing microbubble formation and excitation.

  • Page 56: Diving

    6. DIVING This section contains instructions on how to operate the dive computer and interpret its displays. You’ll find that this dive computer is easy to use and read. Each display shows only the data relevant to that specific diving mode. 6.1.
  • Page 57 your present depth in meters/feet • the available no-decompression time in minutes as NO DEC TIME • the ascent rate presented as a bar graph on the right side • the Diver Attention Symbol if surface interval should be prolonged (see Table 7.1, •...

  • Page 58: Bookmark

    It is possible to record bookmarks in the profile memory during a dive. These bookmarks are displayed when scrolling the profile memory on the display. The bookmarks will also be shown as annotations in the downloadable Suunto Dive Manager PC software. The bookmark logs the depth, time, and water temperature, as well as compass heading (if the compass has been enabled).

  • Page 59: Ascent Rate Indicator

    6.1.3. Ascent rate indicator The ascent rate is shown graphically along the right side of the display. When the maximum allowed ascent rate is exceeded, the fifth SLOW warning segment and the STOP sign appear and the depth reading starts to blink, indicating that the maximum ascent rate has been exceeded continuously or that the current ascent rate is significantly above the allowed rate.

  • Page 60: Safety Stops And Deep Stops

    6.1.4. Safety Stops and Deep Stops If Deep Stops are not used, a 3 minute Recommended Safety Stop is prompted after every dive to over 10m. DEEPSTOP AT 12 M. THE SECOND INDICATOR SHOWS THAT YOU HAVE 58 SECONDS LEFT OF YOUR DEEPSTOP. 6.1.5.
  • Page 61 the time needed at the ceiling • the time needed at the Mandatory Safety Stop (if any) • the time needed to reach the surface after the ceiling and Safety Stops have been • completed YOUR ACTUAL ASCENT TIME MAY BE LONGER THAN WARNING DISPLAYED BY THE INSTRUMENT! The ascent time will increase if you:...
  • Page 62 In such cases, it is more manageable to maintain an additional distance below the ceiling, to make sure that the waves do not lift you above the ceiling. Suunto recommends that decompression takes place deeper than 4 m/13 ft, even if the indicated ceiling is shallower.
  • Page 63 NEVER ASCEND ABOVE THE CEILING! You must not ascend WARNING above the ceiling during your decompression. In order to avoid doing so by accident, you should stay somewhat below the ceiling. Display below the floor The blinking ASC TIME and an upward pointing arrow indicate that you are below the floor.
  • Page 64 DISAPPEARED AND ASC TIME LABEL HAS STOPPED BLINKING, MEANING YOU ARE IN THE DECOMPRESSION RANGE. Decompression will now begin, but is very slow. You should therefore continue your ascent. Display at the ceiling zone When you reach the ceiling zone, the display will show you two arrows pointing at each other (the “hour glass”...

  • Page 65: Diving In Nitrox Mode (Diveean)

    You must not dive again for at least 48 hours. (See Section 5.7. Error conditions). 6.2. Diving in NITROX mode (DIVEean) NITROX mode (DIVEean) is the second dive mode available in Suunto D6 and is used when using oxygen- enriched gas mixtures.

  • Page 66: Before Diving In Nitrox Mode

    To set the nitrox mixes, refer to Section 5.8.3. Setting the nitrox values. Default nitrox settings In NITROX mode, the Suunto D6 allows you to set 1 or 2 nitrox mixes containing 21- 99% oxygen.

  • Page 67: Oxygen Displays

    In the NITROX mode, the default setting for MIX1 is standard air (21% O in this setting until the O 100%). The default setting for maximum oxygen partial pressure is 1.4 bar, however you are able to set it in the range of 0.5 - 1.6 bar. MIX2 is set to OFF by default.

  • Page 68: Dive Time

    MAXIMUM OPERATIONAL DEPTH BASED ON SET O If set to NITROX mode, the Suunto D6 will additionally show on the alternative display: the oxygen percentage, labeled O • the set oxygen partial pressure limit, labeled PO • the current oxygen toxicity exposure, labeled OLF •...

  • Page 69: Oxygen Limit Fraction (Olf)

    6.2.3. Oxygen limit fraction (OLF) If set to NITROX mode, in addition to tracking the diver's exposure to nitrogen, the instrument tracks the exposure to oxygen. These calculations are treated as entirely separate functions. The dive computer calculates separately for Central Nervous System oxygen toxicity (CNS) and Pulmonary Oxygen toxicity, the latter measured by the addition of Oxygen Toxicity Units (OTU).

  • Page 70: Gas Change And Multiple Breathing Gas Mixes

    6.2.4. Gas change and multiple breathing gas mixes One of Suunto D6’s special features is the possibility to set an additional nitrox mix to be used during a dive. This feature can be activated by setting the MIX2 to ON and entering other parameters in the same way as with the primary gas.

  • Page 71: Diving In Gauge Mode (Divegauge)

    If no button is pressed in 15 seconds, the dive computer will go NOTE back to the dive display without changing the gas mix. Upon ascent, the computer prompts you to change gas when the PO level you have set for the next mix allows a gas change.The prompt is an audible 3 beeps and the current O blink.
  • Page 72 There is no ascent rate monitoring in the GAUGE mode. NOTE If you dive with the GAUGE mode, it is not possible to change NOTE between the modes before the no fly time has counted down.

  • Page 73: After Diving

    7. AFTER DIVING 7.1. At the surface Once back at the surface, Suunto D6 continues to provide post-dive safety information and alarms. Calculations to enable repetitive dive planning also help to maximize diver safety. 7.1.1. Surface interval An ascent to any depth shallower than 1.2 m/4 ft will cause the DIVING display to be...

  • Page 74: Dive Numbering

    the oxygen partial pressure labeled PO • the current oxygen toxicity exposure labeled OLF • 7.1.2. Dive numbering Several repetitive dives are considered to belong to the same repetitive dive series when the dive computer has not counted the no-fly time to zero. Within each series, the dives are given individual numbers.

  • Page 75: Repetitive Dive Planning

    7.1.3. Repetitive dive planning The Suunto D6 includes a dive planner that allows you to review the no-decompression limits on a subsequent dive, taking the residual nitrogen loading of previous dives into consideration. The Dive Planning mode is explained in Section Dive Planning mode (MEMplan) in Section 7.1.5.

  • Page 76: Memory Mode

    Following any dive that required a decompression stop, flying should be delayed • for at least 24 hours, and if possible, for 48 hours Suunto recommends that flying is avoided until all the DAN and UHMS guidelines, • as well as the dive computer’s no-fly conditions, are satisfied 7.1.5.
  • Page 77 When entering the MEMplan mode, the display first briefly shows the remaining desaturation time before going into plan mode. By pressing the UP/DOWN buttons, you can scroll the no-decompression limits in 3 m/10 ft increments ending at 45 m/150 ft. No-decompression limits longer than 99min are displayed as “—“.
  • Page 78 Dive numbering ). Dive logbook (MEMlog) The Suunto D6 has a very sophisticated, high capacity Logbook and Profile Memory. The data is recorded in the profile memory based on the selected sample rate. Dives shorter than the recording interval are not registered (see Section 5.8.5. Setting the...
  • Page 79 The END OF LOGS text is displayed between the oldest and most recent dive. The following information will be shown on three pages: INFORMATION. USE SELECT BUTTON TO SCROLL BETWEEN LOGBOOK PAGES I, II, AND III. THE DATA OF Page I, main display Maximum depth (NOTE! Depending on the sampling rate, the reading may differ •...
  • Page 80 surface time before previous dive • warnings • Page III • depth/time profile of the dive real-time water temperature • The memory will retain approximately the last 36 hours of dive time. After that, when new dives are added, the oldest dives are deleted. The contents of the memory will remain when the battery is changed (providing that the battery has been replaced according to the instructions).

  • Page 81: Suunto Dive Manager (Sdm)

    PC. You can then view and organize all the data recorded with your Suunto D6. You can also plan dives, print copies of your dive profiles and upload your dive logs to share with your friends at SuuntoSports.com.

  • Page 82: Suuntosports.com

    PC-based dive data files. 7.1.7. SuuntoSports.com When you have dived and transferred your dive data to your Suunto Dive Manager, you can share your best experiences with other diving enthusiasts at SuuntoSports.com. It's a free and open Internet community where you can compare your underwater experiences with other Suunto users and learn from each other.
  • Page 83 Community members can also use group-specific bulletin boards and calendars, create their own link lists and group activities. All registered SuuntoSports.com users automatically become members of the ‘World of Suunto Sports’ community. The Sport forums include sport-specific news, bulletin boards, event calendars, ranking lists and discussions.

  • Page 84: Care And Maintenance

    8. CARE AND MAINTENANCE The Suunto D6 dive computer is a sophisticated precision instrument. Though designed to withstand the rigors of scuba diving, you must handle your Suunto D6 with care, and follow the advice below on how to maximize its service life.

  • Page 85: Maintenance

    Suntan oil, silicone spray and grease will speed up this process. As a result of this build-up, moisture will be trapped next to the water contacts and will prevent your Suunto D6 from operating properly.

  • Page 86: Water Resistance Inspection

    Make sure that all salt crystals and sand particles have been flushed out. Check the display for possible moisture or water, and do not use the Suunto D6 if you detect any moisture or water inside. •...

  • Page 87: Battery Replacement

    8.5. Battery replacement It is advisable to contact an authorized Suunto representative for NOTE battery replacement. It is imperative that the change is made in a proper manner to avoid any leakage of water into the battery compartment or computer.

  • Page 88: Technical Data

    9. TECHNICAL DATA 9.1. Technical specifications Dimensions and weight: • Diameter: 50.0 mm/1.97 in • Thickness: 16.0 mm/0.61 in • Weight: 113g/3.98 oz Depth gauge: • Temperature compensated pressure sensor • Salt water calibrated, in fresh water the readings are about 3% smaller (calibrated in compliance with EN 13319) •...
  • Page 89 It is recommended that the instrument be stored in a dry place at room temperature. Do not leave the dive computer in direct sunlight! NOTE Tissue calculation model: • Suunto Deep Stop RGBM algorithm (developed by Suunto and Bruce R. Wienke, BSc, MSc, PhD) • 9 tissue compartments •...
  • Page 90 • Reduced gradient (variable) "M" values based on diving habit and dive violations. The "M" values are tracked up to 100 hours after a dive • The EAN and oxygen exposure calculations are based on recommendations by R.W. Hamilton, PhD and currently accepted exposure time limit tables and principles Battery: •...

  • Page 91: Rgbm

    It is a significant advance on the classical Haldane models, which do not predict free gas (microbubbles). The advantage of Suunto RGBM is additional safety through its ability to adapt to a wide variety of situations. Suunto RGBM addresses a number of diving circumstances outside the range of dissolved-gas-only models by: Monitoring continuous multiday diving •...

  • Page 92: Suunto Rgbm Adaptive Decompression

    9.2.1. Suunto RGBM adaptive decompression The Suunto RGBM algorithm adapts its predictions of both the effects of microbubble build-up and adverse dive profiles in the current dive series. It also changes these calculations according to the personal adjustment you select.

  • Page 93: No-Decompression Limits

    9.2.2. No-decompression limits The no-decompression limits displayed by the dive computer for the first dive to a single depth (see Table 9.1, No-decompression time limits for various depths (m) and Table 9.2, No-decompression time limits for various depths (ft) .), are slightly more conservative than those permitted by the U.S.
  • Page 94 No-decompression time limits (mins) for various depths (m) for the first Depth P0/A0 P0/A1 Table 9.2. No-decompression time limits for various depths (ft) No-decompression time limits (mins) for various depths (ft) for the first Depth (ft) P0/A0 P0/A1 dive of a series Personal Mode / Altitude Mode P0/A2 P1/A0...

  • Page 95: Altitude Diving

    No-decompression time limits (mins) for various depths (ft) for the first Depth (ft) P0/A0 P0/A1 9.2.3. Altitude diving The atmospheric pressure is lower at high altitudes than at sea level. After traveling to a higher altitude, you will have additional nitrogen in your body, compared to the equilibrium situation at the original altitude.

  • Page 96: Oxygen Exposure

    As a result, the allowed no-decompression-stop limits are considerably reduced. 9.3. Oxygen exposure The oxygen exposure calculations are based on currently accepted exposure time limit tables and principles. In addition to this, the dive computer uses several methods to conservatively estimate the oxygen exposure. For example: the displayed oxygen exposure calculations are raised to the next higher percentage •...

  • Page 97: Intellectual Property

    Suunto, D6, Consumed Bottom Time (CBT), Oxygen Limit Fraction (OLF), Suunto Reduced Gradient Bubble Model (RGBM), and Continuous Decompression and their logos are all registered or unregistered trademarks of Suunto. All rights are reserved. 10.3. Patent notice This product is protected by the following patents and patent applications: US 5,845,235...

  • Page 98: Disclaimers

    11. DISCLAIMERS 11.1. User’s responsibility This instrument is intended for recreational use only. Suunto D6 must not be used for obtaining measurements that require professional or industrial precision. 11.2. Limits of liability and ISO 9001 compliance Suunto Oy does not assume any responsibility for losses or claims by third parties, which may arise through the use of this device.

  • Page 99: After Sales Service

    11.3. After sales service If a claim under warranty appears to be necessary, return the product, freight prepaid, to your Suunto representative, who is responsible for having your product repaired or replaced. Depending on the requirements in your country, include your name, address, proof of purchase and/or Warranty card, which can be found at the back of this manual.

  • Page 100: Warranty

    Suunto shall not be liable for loss of use of the product or other incidental or consequential costs, expenses or damage incurred by the purchase.
  • Page 101 Suunto's dive computers and wristop computers can be registered online at www.suunto.com. Registering your unit makes it quicker and easier for us to help you if you ever need to send your product for servicing, or if you need information about...

  • Page 102: Disposal Of The Device

    13. DISPOSAL OF THE DEVICE Please dispose of the device in an appropriate way, treating it as electronic waste. Do not throw it in the garbage. If you wish, you may return the device to your nearest Suunto representative.

  • Page 103: Glossary

    GLOSSARY Altitude dive Ascent rate ASC RATE Ascent time ASC TIME Ceiling Central nervous system toxicity CNS% Compartment Decompression Decompression range A dive made at an elevation greater than 300 m/1000 ft above sea level. The speed at which the diver ascends toward the surface. Abbreviation for ascent rate.
  • Page 104 Decompression illness Dive series Dive time Enriched air nitrox Equivalent air depth Floor Half time Multi level dive Any of a variety of maladies resulting either directly or indirectly from the formation of nitrogen bubbles in tissues or body fluids, as a result of inadequately controlled decompression.
  • Page 105 Abbreviation for oxygen tolerance unit. Used to measure the whole-body-toxicity. A term used by Suunto for the values displayed in the oxygen toxicity bargraph. The value is either the CNS% or the OTU%. Oxygen percentage or oxygen fraction in the breathing gas. Standard air has 21% oxygen.
  • Page 106 Reduced Gradient Bubble Model Repetitive dive Residual nitrogen SURF TIME Surface interval time Tissue group Whole-body toxicity Modern algorithm for tracking both dissolved and free gas in divers. Any dive whose decompression time limits are affected by residual nitrogen absorbed during previous dives. The amount of excess nitrogen remaining in a diver after one or more dives.

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