Suunto D3 User Manual
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Suunto D3 User Manual

Wristop freediving computer
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Summary of Contents for Suunto D3

  • Page 1 U S E R ’ S G U I D E...
  • Page 2 Mode Week Day Timer Hours and Minutes Low Battery Warning Current Time Display Surface Interval Time SURF TIME DIVE TIME °F °C SUUNTO QUICK REFERENCE GUIDE Bar Graph: - Mode Indicator AM/PM Indicator Dive Time Dive Counter Time Dual Time...
  • Page 3 SUUNTO. SUUNTO, D3 and their logos are all registered or unregistered trademarks of SUUNTO. All rights are reserved. Patents have been issued or applied for one or several features of this product.
  • Page 4 PrEN 13319 ”Diving accessories – Depth gauges and combined depth and time measuring devices – Functional and safety requirements, test methods” is a Eu- ropean diving depth gauge standard draft. The D3 is designed to comply with this draft standard.
  • Page 5 Suunto also recommends you to be trained in freediving technique and physi- ology before conducting breath holding dives. No diving instrument can replace the need for proper diving training.
  • Page 6 Use back-up instruments. Make sure that you use back-up instrumentation including a depth gauge, submersible pressure gauge, timer or watch, and have access to decompression tables whenever diving with a bottom timer. Perform pre-checks. Always activate and check the device before diving in order to ensure that all Liquid Crystal Display (LCD) segments are com- pletely displayed, that the device has not run out of battery power, and that the oxygen, altitude and personal adjustments are correct.

  • Page 7: Table Of Contents

    2.4.1. Timekeeping Display ... 14 2.4.2. Stopwatch [TIMEr UP]... 15 2.4.3 Downtimer [TIMEr d]..17 3. DIVING WITH THE D3 ... 18 3.1 BEFORE DIVING ... 19 3.1.1. Activation and Pre-checks ... 19 3.1.2. Battery Power Indicator and Low Battery Warning ... 20 3.1.3.
  • Page 8 3.2.3 During the Freedive ... 25 3.2.4 Freediving Day History ..26 3.2.5 Surface interval after a Freedive ..27 3.3. GAUGE DIVING ... 28 3.3.1. Maximum Operating Depth Planner [MOD] ... 28 3.3.2. Presetting the Displays in the Gauge Mode ... 29 3.3.3.
  • Page 9 5.4. SUUNTOSPORTS.COM ... 57 6. CARE AND MAINTENANCE ... 61 6.1. CARE OF YOUR D3 ... 61 6.2. MAINTENANCE ... 62 6.3. WATER RESISTANCE INSPECTION ... 63 6.4. BATTERY REPLACEMENT ... 64 7. TECHNICAL SPECIFICATION ... 67 8. WARRANTY ... 71...

  • Page 10: Introduction

    Clock, calendar, daily alarm, stopwatch, downtimer, dual time • User defi nable display fi elds 1.1. SAFETY PRECAUTIONS Do not attempt to use D3 without reading this instruction manual in its entirety, including all the warnings. Make sure that you fully understand the use, displays...

  • Page 11: Emergency Ascents

    1.1.1. EMERGENCY ASCENTS In the unlikely event that D3 malfunctions during a dive, follow the emergency procedures provided by your certifi ed dive training agency or, alternatively, STEP 1: Assess the situation calmly and then move promptly to less than 18 m [60 ft].
  • Page 12 fi ve meters [16 ft] for at least two hours after scuba diving. Suunto also recommends you to be trained in freediving technique and physiol- ogy before conducting breathhold dives. No dive computer can replace the need for proper dive training.

  • Page 13: Getting Acquainted

    2. GETTING ACQUAINTED 2.1. FUNCTIONS The D3 wristop computer is a multipurpose dive instrument and a sport watch fea- turing different watch and dive computer modes. You can select the dive computer model between Gauge diving mode (GAUGE) and Freediving mode (FREE). The GAUGE and FREE modes can also be disabled (set to OFF) and the instrument can be used as a sports watch on land or in water.
  • Page 14 • To select the dive planning mode in the dive surface modes. • To make a special bookmark in the profi le memory during a dive +, - • To show the date, seconds or dual time in the time keeping display press the + or - button.

  • Page 15: Water Contacts

    The water contacts consist of the PC-interface poles and the four push-buttons of the D3 (Fig. 2.2). When the PC-interface poles and one of the push-buttons are connected by the conductivity of the water the Surface or Diving Mode is automati- cally activated.

  • Page 16: Time Mode [Time]

    2.4.1. TIMEKEEPING DISPLAY The timekeeping display is the primary display of the D3 (Fig. 2.5.). When the Time Mode is entered from other modes, the timekeeping display activates within two seconds, if no button is operated. In other modes (except in the Diving or Stopwatch...

  • Page 17: Stopwatch [Timer Up]

    (TIME) on the left side of the display indicate that you have entered the Stopwatch [TIMEr UP] func- tion (Fig.2.6.). The stopwatch of the D3 lets you measure elapsed time, split times and the times of two runners. The range of the stopwatch is 9 hours, 59 minutes, 59.9 seconds (Fig.
  • Page 18 Use the + and - buttons to operate the elapsed time measurement, split time measurement or the times of two runners as follows: Diving with the D3 or performing data transfer will stop the stopwatch. However, it is possible to use stopwatch function when diving, if both the GAUGE and the FREE diving modes are disabled (set to OFF, see chapter 4.4.).

  • Page 19: Downtimer [Timer D]

    Diving with the D3 or performing data transfer will stop the downtimer. However, it is possible to use downtimer function normally, if the GAUGE and the FREE diving modes are disabled (set to OFF, see chapter 4.4.) In dive mode the down timer cannot be...

  • Page 20: Diving With The D3

    Fig. 3.1. Gauge Dive Mode the freediving computer and interpret its displays. selected. You will fi nd that the D3 is easy to use and read. Each display shows only the data relevant to that specifi c diving situation. Chapter 3.1. Before Diving contains general instruc- tions for all the dive computer modes.

  • Page 21: Before Diving

    Ready display confi rming that the activation is complete (Fig. 3.5). If set to Free mode, the D3 will go directly to the ready display without the display and battery checks (Fig 3.6).

  • Page 22: Battery Power Indicator And Low Battery Warning

    fi rst dive. After activation of the Dive Mode or after diving, the D3 will automatically switch to show the time keep- ing display within 5 minutes in Gauge Mode and 10 minutes in Free Mode to conserve the battery power, if you do not press any buttons.
  • Page 23 notice of impending need to change the battery. The Battery Power Indicator can be seen as the Dive Mode is activated. The electro luminescent backlight will be on during the battery check. The follow- ing Table and Figure show the various warning levels. TABLE 3.1.

  • Page 24: User Defi Nable Functions And Alarms

    Free and Gauge Modes. 3.1.3. USER DEFINABLE FUNCTIONS AND ALARMS This D3 has several User Defi nable Functions and Fig. 3.8. Bookmark activation. depth and time related alarms that you can set accord- An annotation, Bookmark, is ing to your personal preference.

  • Page 25: Presetting Time Alarm

    (Fig. 3.8). The Bookmarks will also be shown as annotations in the PC-software, Suunto Dive Manager. To make a bookmark on the profi le memory during a dive press the S button. The Diver Attention Symbol will be displayed to confi...

  • Page 26: Freediving

    If set to Free Mode, the dive computer can be used for freediving or snorkeling. In the freediving mode the D3 provides depth, time and profi le information Fig. 3.9. Free Mode. and an accurate 1 second sampling interval for the logbook profi...

  • Page 27: During The Freedive

    Preset with the - button in the lower left corner of the display (Fig. 3.10.) • the maximum depth or • the temperature. Preset with the + button in the lower right corner of the display (Fig. 3.10.) • the dive time, •...

  • Page 28: Freediving Day History

    3.2.4. FREEDIVING DAY HISTORY It is possible at any time in the Free Surface Mode to enter the Freediving Day History Mode, simply by pressing the S button. After showing the text DAY HIS and the mode indicator (Fig. 3.12.), the display will show (Fig.

  • Page 29: Surface Interval After Afreedive

    3.2.5. SURFACE INTERVAL AFTER A FREEDIVE An ascent to any depth shallower than 1.2 m [4 ft] will cause the DIVING display to be replaced by the SURFACE display, giving the following information (Fig. 3.14.): • the surface time in minutes and seconds (separated by a colon), telling the duration of the present surface interval.

  • Page 30: Gauge Diving

    3.3. GAUGE DIVING 3.3.1 MAXIMUM OPERATING DEPTH PLANNER [MOD] The MOD planner allows a diver using air, nitrox or trimix mixes to determine the maximum depth at which the gas is breathable within selected PO Fig. 3.15. Maximum Operation limits. Depth Planner.

  • Page 31: Presetting The Displays In The Gauge Mode

    - buttons to increase and decrease the O shown on the display. 5.While the PO level is selected, press the + and - to increase and decrease the level. Pressing S again returns to O 6. After you have calculated the Maximum Operating Depth, exit the MOD plan- ner by pressing the M button briefl...

  • Page 32: Basic Dive Data

    3.3.3. The dive computer will remain in the Surface mode at depths less than 1.2 m [4 feet]. At depths greater than 1.2 m the instrument will go into the Diving mode (Fig. 3.17.). During a dive, the following information will be dis- played (Fig.

  • Page 33: Ascent Rate Indicator

    3.3.4. ASCENT RATE INDICATOR The ascent rate is shown graphically (Fig.3.19) along the left side of the display as follows: TABLE 3.2. ASCENT RATE INDICATOR When the maximum allowed ascent rate is exceeded, the SLOW warning appears, alternating with the dive depth, indicating that the maximum ascent rate has been exceeded continuously or that the current as- cent rate is signifi...

  • Page 34: Surface Interval After A Gauge Dive

    Whenever the SLOW warning segment appears (Fig. 3.20.), you should immediately slow down your as- cent. NOTE: The Ascent Rate indicator is available in Gauge Mode only. Fig. 3.20. Ascent Rate Indicator. Blinking SLOW and four segments are shown together with an audible alarm.

  • Page 35: Dive Numbering

    Or in the lower display according the selection and mode: • dive time of most recent dive in minutes labeled with DIVE TIME • the current time labeled with TIME • maximum depth labeled with MAX • the current temperature with °C for Centigrade [or °F for Fahrenheit] 3.3.6 DIVE NUMBERING Several repetitive dives in the Gauge mode are considered to belong to the same repetitive dive series when less than 48 hours of surface time has passed between...

  • Page 36: Flying After Diving

    3.3.7. FLYING AFTER DIVING The Suunto D3 provides no calculations for no-fl y times. However, Divers Alert Network (DAN) recommends the following on no-fl ying times: • A minimum surface interval of 12 hours would be required in order to be reasonably assured a diver will remain symptom free upon ascent to altitude in a commercial jetliner (altitude up to 2400 m [8000 ft]).

  • Page 37: Audible And Visual Alarms

    3.4. AUDIBLE AND VISUAL ALARMS The Suunto D3 features audible and visual alarms to advise when important limits are approached or to acknowledge preset alarms. A short single beep occurs when: • the dive computer automatically returns to the Time Mode.
  • Page 38 Fig. 4.1. The Setting Mode is indicated by the SET text and mode indicator. • The preset dive time is reached in Free Mode • continuous beep series for 3 seconds. • The preset alarm time is reached • the current time is shown. •...

  • Page 39: Setting Mode [Set]

    4. SETTING MODE [SET] The time, date, dual time, daily alarm, gauge and free dive selections and settings, dive time and depth alarms and unit adjustments are set in the Setting Mode (Fig. 4.1.). Enter the Setting Mode from other modes by press- ing the M button.
  • Page 40 3. Press S to change the selection in the following sequence: - > seconds - > hours - > minutes - > 12/24 hour format - > year - > month - > day - > dual (home) time hours - >...

  • Page 41: Daily Alarm Setting [Alm]

    • The display is illuminated by holding down the M button for more than two seconds. 4.2. DAILY ALARM SETTING [ALM] You can set one daily alarm in the D3. When the daily alarm activates, the -symbol blinks for 1 minute and the alarm sounds for 24 seconds.
  • Page 42 3. Press S to change the selection in the following sequence: - >On/OFF status - > hours - > minutes 4. While the alarm status [On/OFF] is selected (blinking) press + or - to change the status. When the alarm status is On, the daily alarm indicator ( -symbol) in the bottom right corner of the display indicates that the alarm is on.

  • Page 43: Timer Settings [Timer D]

    4.3. TIMER SETTINGS [TIMER D] In this mode you can set the countdown time for the downtimer. The downtimer also has an alarm repeat function for continuous downtimer alarm. To set the downtimer: 1.In the Setting Mode, press S three (3) times to select the Timer Setting Mode (Fig.

  • Page 44: Dive Mode Settings [Dive]

    (Gauge or Free) or turn the dive modes OFF. If the dive modes are turned OFF, the dive computer functions are disabled, thus turning the D3 into a mere water resistant sportswatch. NOTE: If the DIVE Mode is disabled (set to OFF), the instrument will not activate the selected diving mode (Gauge, Free) when submerged.
  • Page 45 lected dive mode (GAUGE or FREE) is dis played (Fig. 4.11.) While the enable/disable status [On/OFF] is selected (blinking) press + or - to change the status. 3. Press S to change the selection in the following sequence: - >On/OFF status - > GAUGE/FREE Mode When the GAUGE/FREE dive mode is selected (blinking) press + or - to change the mode to GAUGE.

  • Page 46: Set Free Mode

    4.4.2. SET FREE MODE To set the FREE Mode: 1. In the Setting Mode, press S four (4) times to select the Dive Setting Mode (Fig. 4.10.). 2. Wait two seconds until the Dive Setting Mode activates automatically. The enable/disable status [On/OFF] starts to blink on the display and the selected dive mode (GAUGE or FREE) is displayed (Fig.

  • Page 47: Dive Alarm Settings [Dive Al]

    4.5. DIVE ALARM SETTINGS [DIVE AL] You can set one depth alarm in the D3. When the depth alarm activates, the as the present depth value exceeds the adjusted value and the alarm sounds for 24 seconds. Press any but- ton to stop the audible alarm, after it has activated.
  • Page 48 5. While the depth digits are selected (blinking), press + to increase the value or - to decrease it at intervals of 0.5 m [1 ft]. Holding down either button starts the scrolling of the depth value. The range of the depth is from 3.0 to 99.5 m [10 to 300 ft].

  • Page 49: Unit Adjustment Settings[Adj]

    4.6. UNIT ADJUSTMENT SETTINGS [AdJ] In this setting mode also the desired units can be se- lected (metric, m/°C or imperial, ft/°F). To set the new Unit Adjustments: 1. In the Setting Mode [SET], press S six (6) times to select the Unit Adjustment Mode (Fig.

  • Page 50: Memory And Data Transfer [Mem]

    (Fig. 5.1.). If any button is not operated within 5 minutes after a function of the Memory Mode is selected, the D3 beeps and returns to the timekeeping display auto- matically.

  • Page 51: Logbook And Dive Profile Memory [Log]

    5.1. LOGBOOK AND DIVE PROFILE MEMORY [LOG] This instrument has a sophisticated high capacity Logbook and Profi le Memory. The data is recorded to the profi le memory based on the sampling rate. The sampling rate in Gauge mode is adjustable to 10, 20, 30 and 60 s, and in Free mode 1 s.
  • Page 52 Note that chronological sequence in the logbook is determined by the date, not by the dive number. The following information will be shown on four pages: Page I, main display (Fig. 5.3.) Fig. 5.4. Logbook, Page II.Main dive related data. Page II (Fig.
  • Page 53 Page III (Fig. 5.5.) • average depth • surface interval time before the dive • temperature at the maximum depth Page IV (Fig. 5.6.) • the profi le of the dive, automatic scrolling during which: • blinking diver attention symbol when the user has pressed the S button for Book- mark •...
  • Page 54 The depths shown are the maximum values of each sam- pling interval. After the last depth fi gure of the selected profi le, the D3 automatically returns to Display I of the same dive in the Logbook. If desired, the profi le of the same dive can be recalled again following the above procedure.

  • Page 55: Dive History Memory [His]

    5.2. DIVE HISTORY MEMORY [HIS] The Dive History is a summary of all the gauge and free dives recorded by the D3. Gauge and Freediving histories are kept separate. To enter the Dive History Memory Mode: 1. In the Memory Mode [MEM], press S two (2) times to select the Dive History Memory Mode (Fig.
  • Page 56 NOTE: The maximum depth can be reset to 0.0 m [0 ft] using the optional Suunto Dive Manager PC- Interface. 3. To enter the Freedive History Memory Mode press the - or + buttons once when the History Memory is selected.

  • Page 57: Data Transfer And Pc-Interface [Tr-Pc]

    D3. The data transfer is carried out using the water contact of the D3. The following data is transferred to the PC: •...
  • Page 58 After you have fi nished the data transfer, Press the M to exit Data Transfer Mode [TR-PC] and enter the Memory Mode [MEM]. If no button is operated or no data is transferred within 5 minutes, the D3 beeps and returns to the time- keeping display automatically.

  • Page 59: Suuntosports.com

    Using the PC software, you are able to enter setup options such as: • input a personal, 30 character fi eld into the D3 (i.e. your name) • reset the Dive History’s max depth to zero. 5.4 SUUNTOSPORTS.COM SuuntoSports.com is an international free web community where you can refi ne and share the data that you have measured with your personal Suunto instrument and analyzed with the sport-specifi...

  • Page 60: Suuntosports.com Sections

    MY SUUNTO The My Suunto section of the site is meant for your personal information. You can store information about yourself, your wristop computer, your sporting and training activities, etc. When you upload your personal logs to SuuntoSports.
  • Page 61 You can also publish your logs and compare them with other users’ logs. The My Suunto section also contains a personal calendar that you can use to mark personal events and other useful information.

  • Page 62: Getting Started

    When the opening page appears, click the Register icon and register yourself and your Suunto sports instrument. You can change and update your personal and equipment profi les in My Suunto section afterwards. After the registration you will automatically enter the SuuntoSports.com home page that introduces the site structure and functional principles.

  • Page 63: Care And Maintenance

    • Every two years or after 200 dives (whichever comes fi rst) have your D3 serviced by an authorized dealer or distributor. This service will include a general operational check, replacement of the battery and a water resistance check and if needed, replacement of the seals, buttons, or display.

  • Page 64: Maintenance

    (see chapter 3.1.2.). • Do not fasten the strap of your D3 too tightly. You should be able to insert your fi nger between the strap and your wrist. Use the extension strap when fastening the D3 on your exposure suit.

  • Page 65: Water Resistance Inspection

    fl ushed out. Check the display for possible moisture or water. DO NOT use the D3 if you detect any moisture or water inside. CAUTION! • do not use compressed air to blow water off the unit •...

  • Page 66: Battery Replacement

    6.4. BATTERY REPLACEMENT NOTE: It is advisable to contact an authorized Su- unto dealer for 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. CAUTION! All history and profi...
  • Page 67 Check for any traces of fl ooding or other damage. In case of a leak or any other damage, bring the dive computer to an authorized SUUNTO dealer or distributor for check and repair. 5. Remove the old O-ring from the battery compartment lid.
  • Page 68 7. Check that the battery compartment surfaces are clean. Clean with soft cloth if necessary. 8. Gently insert the new battery under the battery retainer/contact. Check the polarity of the battery: the “-” mark should point toward the bottom of the com- partment and the “+”...

  • Page 69: Technical Specification

    7. TECHNICAL DESCRIPTION 7.1. TECHNICAL SPECIFICATION Dimensions and weight: • Width: 48.9 mm [1.92 in] • Height: 54.8 mm [2.16 in] • Thickness: 15.8 mm [0.62 in] • Weight: 50.3 g [1.78 oz] Depth Gauge: • Temperature compensated pressure sensor. •...
  • Page 70 Calendar Clock: • Accuracy: ± 15 s /month (at 20ºC [68ºF]) • 12/24 h display Other displays: • Dive time: 0 to 999 min (Gauge mode), 0 to 99 min (Free mode) • Surface time: 48h 5 min (Gauge mode), 24h (Free mode) •...
  • Page 71 Operating temperature: 0°C to 40°C [32°F to 104°F]. • Storage temperature: -20°C to +50°C [-4°F to +122°F]. It is recommended that the D3 be stored in a dry place at room temperature. Battery • One 3 V lithium battery; CR 2032 •...
  • Page 72 The following conditions have an affect on the expected battery lifetime: • The length and type of the dives. • The condition in which the unit is operated and stored (e.g. temperature/ cold conditions). Below 10°C [50°F] the expected battery lifetime may be 50-75% of that at 20°C [68°F].

  • Page 73: Warranty

    The claim will be honored and the product repaired or replaced at no charge and returned in what your Suunto dealer or distributor determines a reasonable amount of time, provided all necessary parts are in stock.
  • Page 74 fi tness for a particular purpose, are limited from date of purchase and in scope to the warranties expressed herein. 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 75: Glossary

    9. GLOSSARY Altitude dive A dive made at an elevation greater than 300 m [1000 ft] above sea level. Apnea Absence of breathing. Freedivers are apneic throughout the duration of their dive. Ascent rate The speed at which the diver ascends toward the surface. ASC RATE Abbreviation for ascent rate.
  • Page 76 Abbreviation for enriched air nitrox. Enriched Air Nitrox Oxygen-Nitrogen mix, normally with more than 21% oxy- gen. Freediver A breath-holding diver whose only source of oxygen are his lungs fi lled with surface air. Hypercapnia Increased amount of carbon dioxide in the blood. A diver who does not rest adequately between breath-hold dives will have elevated carbon dioxide levels.
  • Page 77 NITROX In sports diving refers to any mix with a higher fraction of oxygen than standard air. NOAA United States National Oceanic and Atmospheric Adminis- tration. No-decompression time The maximum amount of time a diver may remain at a par- ticular depth without having to make decompression stops during the subsequent ascent.
  • Page 78 Shallow - water blackout (SWB) An unconscious state divers experience when the brain be- comes deprived of oxygen. SWB frequently happens with- out warning, causing death by subsequent drowning. Static apnea blackout Unconsciousness due to gradual oxygen depletion caused by holding one’s breath too long. It can occur anywhere, particularly at the surface, and is not associated with depth or pressure changes.

  • Page 82: Disposal Of The Device

    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 dealer. COPYRIGHT This publication and its contents are proprietary to Suunto Oy.
  • Page 83 SELECT select next MODE mode light exit SUUNTO MODES AND OPERATIONS...
  • Page 86 Made in Finland © Suunto Oy 06 / 2004, 03 / 2006...

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