Suunto VYPER AIR User Manual
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Suunto VYPER AIR User Manual

Wristop dive computer
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VYPER AIR
USER'S GUIDE

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Summary of Contents for Suunto VYPER AIR

  • Page 1 VYPER AIR USER’S GUIDE...
  • Page 2 Tank Pressure Bar Graph Gas Mix Selection % | He% (Mixed Gas Mode) (Mixed Gas Mode) (Mixed Gas Mode)

  • Page 3: Table Of Contents

    1. WELCOME TO THE WORLD OF SUUNTO DIVE COMPUTERS ....8 2. WARNINGS, CAUTIONS, AND NOTES ..........9 3. SUUNTO USER INTERFACE ............18 3.1. Navigating in the menus ............18 3.2. Button symbols and functions ........... 20 4. GETTING STARTED ..............22 4.1.
  • Page 4 5.6. Wireless transmission ............40 5.6.1. Installing the wireless transmitter .......... 40 5.6.2. Pairing and code selection ..........41 5.6.3. Transmitting data ............43 5.7. DIVE mode settings .............. 44 5.7.1. Setting the depth alarm ............. 45 5.7.2. Setting the dive-time alarm ..........45 5.7.3.
  • Page 5 5.9.2. Mandatory Safety Stops ............ 60 5.10. Deep stops ............... 61 6. DIVING .................. 62 6.1. Diving in the AIR mode (DIVE Air) ..........62 6.1.1. Basic dive data .............. 63 6.1.2. Bookmark ..............64 6.1.3. Tank pressure data ............65 6.1.4.
  • Page 6 7.6.2. Dive history (MEM History) ..........90 7.7. Suunto DM4 with Movescount ..........91 7.8. Movescount ............... 93 8. CARE AND MAINTENANCE OF MY SUUNTO DIVING COMPUTER ..94 9. BATTERY REPLACEMENT ............97 9.1. Battery kit ................97 9.2. Required tools ..............98 9.3.
  • Page 7 11.3. Patent notice ..............115 12. DISCLAIMERS ..............116 12.1. CE ................116 12.2. EN 13319 ............... 116 12.3. EN 250 / FIOH ..............116 13. SUUNTO LIMITED WARRANTY ..........117 14. DISPOSAL OF THE DEVICE ............119 GLOSSARY ................120...

  • Page 8: Welcome To The World Of Suunto Dive Computers

    1. WELCOME TO THE WORLD OF SUUNTO DIVE COMPUTERS Suunto Vyper Air wristop dive computer is 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 9: Warnings, Cautions, And Notes

    Before you go on to read the user's guide itself, it is extremely important that you read the following warnings. These warnings are intended to maximize your safety while using Suunto Vyper Air and must not be ignored. YOU MUST READ the leaflet and user guide for your dive com- WARNING puter.
  • Page 10 (DCI). Therefore, Suunto strongly recommends that the device not be used for any commercial or professional diving activities. ONLY DIVERS TRAINED IN PROPER USE OF SCUBA DIVING...
  • 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 % AND A MAXIMUM PO OF 1.4 BAR! Exposure to greater depths increases the risk of oxygen toxicity and decom- pression illness.
  • Page 12 YOU ARE ADVISED TO AVOID FLYING ANY TIME THE COM- WARNING PUTER COUNTS DOWN THE NO-FLY TIME. ALWAYS ACTIV- ATE 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 Divers Alert Network (DAN).
  • 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 decompres- sion calculations.
  • Page 14 SET THE CORRECT PERSONAL ADJUSTMENT MODE! WARNING Whenever it is believed that factors that tend to increase the possibility of DCI exist, it is recommended that you use this option to make the calculations more conservative. Failure to select the correct Personal Adjustment setting will result in erroneous dive and planning data.
  • Page 15 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. DO NOT DIVE WITH A CYLINDER OF ENRICHED AIR IF YOU WARNING HAVE NOT PERSONALLY VERIFIED ITS CONTENTS AND ENTERED THE ANALYSIS VALUE INTO YOUR DIVE COM-...
  • Page 16 Suunto also recommends that you receive training in Free diving WARNING techniques and physiology before conducting breath hold dives.
  • Page 17 Using the Suunto Dive Planner software is not a substitute for WARNING proper dive training. Diving with mixed gases has dangers that are not familiar to divers diving with air. To dive with trimix, triox, heliox and nitrox or all of them, divers must have specialized training for the type of diving they are doing.

  • Page 18: Suunto User Interface

    3. SUUNTO USER INTERFACE 3.1. Navigating in the menus Suunto Vyper Air has four main operating modes - TIME mode (TIME), DIVE mode (DIVE), PLAN mode (PLAN), and MEMORY mode (MEMORY) – 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 20: 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 is explained in more detail in the relevant sections of the user's guide. Table 3.1. Button symbols and functions Symbol Button Press...
  • Page 21 Symbol Button Press Main functions Toggle between alternative displays Short Change submode Increase values Long Activate gas switching in NITROX mode Toggle between alternative displays DOWN Short Change submode Decrease values Enter Setting mode DOWN Long...

  • Page 22: Getting Started

    4. GETTING STARTED To get the most out of your Suunto Vyper Air, use some time to personalize it and really make it YOUR computer. Set the correct time and date, as well as the alarms and tones, unit and backlight settings. Then, calibrate and test the compass function.

  • Page 23: Setting The Alarm

    The figure below shows how to enter the TIME Settings menu. USE UP AND DOWN BUTTONS TO TOGGLE BETWEEN ALARM, TIME, DATE, UNITS, BACKLIGHT AND TONES. 4.1.1. Setting the alarm The dive computer has a daily alarm function. When the daily alarm activates, the screen blinks and the alarm sounds for 60 seconds.

  • Page 24: Setting The Time

    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 a 12 and 24 hour display. ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 4.1.3.

  • Page 25: Setting The Units

    4.1.4. Setting the units In the Units setting mode, you are able to choose whether the units are displayed in either the metric or imperial system (meters/feet, Celsius/Fahrenheit, and so on). ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 4.1.5.

  • Page 26: Ac Water Contacts

    ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. When the tones are off, there are no audible alarms. NOTE 4.2. AC water contacts The water and data transfer contact is located on the rear of the case. When sub- merged, the water contact poles are connected by the conductivity of the water and the “AC”...

  • Page 27: Learning How To Use Your Compass

    4.3. Learning how to use your compass Suunto Vyper 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 28: Compass Display

    UP/DOWN buttons. 4.3.1. Compass display The Suunto Vyper Air 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 29: Locking A Bearing

    TO LOCK A BEARING, PRESS SELECT. The Suunto Vyper Air 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 30: Compass Settings

    COMPASS mode: Calibration Because of changes in the surrounding magnetic field, the Suunto Vyper Air electronic compass occasionally needs to be re-calibrated. During the calibration process, the compass adjusts itself to the surrounding magnetic field and to tilting. As a basic rule, you should calibrate the compass whenever it does not seem to operate properly, or after replacing the dive computer's battery.
  • Page 31 Strong electromagnetic fields, such as power lines, stereo speakers, and magnets can affect the compass calibration. Therefore, it is advisable to calibrate the compass if your Suunto Vyper Air has been exposed to these fields. When traveling overseas, it is recommended that you recalibrate NOTE the compass at the new location before using it.
  • Page 32 Move to another location and try to calibrate the compass again. If the calibration continues to fail, contact an authorized Suunto service center. Declination You can compensate for the difference between true north and magnetic north by adjusting the compass declination.
  • Page 33 ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. Time-out You can set the compass time-out to 1, 3, or 5 minutes. After the set time has passed from the latest button press, the dive computer returns to the TIME or DIVE mode from the COMPASS mode.

  • Page 34: Before Diving

    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 35: Emergency Ascents

    The Suunto Vyper Air uses traditional recommended safety stops as well as deep stops. YOU ARE ADVISED TO MAKE A DEEPSTOP AT 18 M. THE SECOND INDICATOR SHOWS THAT YOU HAVE 110 SECONDS LEFT OF YOUR DEEPSTOP. In order to optimize the response to different increased risk situations, an additional category of stop, referred to as a Mandatory Safety Stop, has been introduced.

  • Page 36: Dive Computer Limitations

    5.3. Dive computer limitations While the dive computer is based on current decompression research and technology, you must 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.
  • Page 37 Alarm type Alarm reason Three beeps with a three Cylinder pressure reaches 50 bar/725 psi. The cylinder second interval pressure display will start to blink. Cylinder pressure reaches the selected alarm pres- sure. Calculated remaining air time reaches zero. Three beeps with a three No-decompression dive turns into a decompression second interval and activated stop dive.
  • Page 38 Table 5.2. Preset alarm types Alarm type Alarm reason Continuous beep series for 24 seconds Preset maximum depth has been exceeded. Maximum depth blinks as long as the current depth value exceeds the preset value. Continuous beep series for 24 seconds or until any Preset dive time has been ex- button is pressed.

  • Page 39: Error Conditions

    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 TAKE ACTION TO REDUCE OXYGEN EXPOSURE. Failure to take action to reduce oxygen exposure after the warning is given can rapidly increase the risk of oxygen toxicity, injury, or death.

  • Page 40: Wireless Transmission

    5.6. Wireless transmission The Vyper Air can be used together with an optional wireless cylinder pressure transmitter that easily attaches to the high-pressure port of the regulator. By using the transmitter, you can benefit from receiving cylinder pressure and remaining air time data direct to your wrist.

  • Page 41: Pairing And Code Selection

    O-ring and sealing surfaces. 5.6.2. Pairing and code selection In order to receive wireless data, the transmitter and the Suunto Vyper Air need to be paired. During the pairing procedure, the dive computer locks on the code that the transmitter has.
  • Page 42 Reset the transmitter's code manually, see Section 5.7.11. Setting the HP code. After this, the transmitter selects a new code. The Suunto Vyper Air must be in “cd:-- “ mode to pair on the new code. This procedure can be used if, for example, your dive buddy has the same code and you need to change it.

  • Page 43: Transmitting Data

    5.6.3. Transmitting data After the pairing procedure, the Suunto Vyper Air will receive cylinder pressure data from the transmitter. The pressure is displayed in either bars or psi, depending on the unit selected. Any time the Suunto Vyper Air receives an appropriate signal, the wireless transmitter indicator is displayed in the lower left corner.

  • Page 44: Dive Mode Settings

    5.7. DIVE mode settings Suunto Vyper Air 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 submode chosen (AIR, NITROX, GAUGE), so that, for example, nitrox settings are only available in the NITROX submode.

  • Page 45: Setting The Depth Alarm

    Some settings cannot be changed until five (5) minutes has NOTE elapsed after the dive. 5.7.1. Setting the depth alarm ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. The depth alarm is factory-set to 30 m/100 ft, but you can adjust it according to your personal preference, or switch it off altogether.

  • Page 46: Setting The Nitrox Values

    ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. With a range of 1–999 minutes, the alarm can be set to your NOTE planned bottom time, for example. 5.7.3. Setting the nitrox values If set to the NITROX mode, the correct oxygen percentage of the gas in your cylinder (and additional gases) must always be entered into the computer to ensure correct nitrogen and oxygen calculations.

  • Page 47: Setting The Personal/Altitude Adjustments

    The default oxygen percentage (O %) setting is 21% (air) and oxygen partial pressure ) setting 1.4 bar. After entering values for Mix1, you can enable/disable and set an additional gas mix–Mix2. ADJUST WITH ADJUST WITH UP AND DOWN UP AND DOWN BUTTONS.

  • Page 48: Setting The Sample Rate

    ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 5.7.5. Setting the sample rate The Sample Rate setting controls how often the depth, tank pressure (if enabled), and water temperature is stored in the memory. You can set the dive profile sample rate to 1, 10, 20, 30, or 60 seconds. The factory default setting is 20 seconds.

  • Page 49: Setting The Rgbm Values

    The Deep Stop setting allows you to view deep stops. If deep stops are set OFF, only the traditional Safety Stop calculation is used. If set to ON, iterative deep stops will be prompted as well. The length of the individual deep stops can be set to 1 or 2 minutes.

  • Page 50: Setting The Units

    5.7.8. Setting the units In the Unit settings you are able to choose between metric (meters/Celsius/bar) and imperial (feet/Fahrenheit/psi) units. ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON. 5.7.9. Setting the tank pressure alarm The tank pressure alarm can be set "ON" or "OFF" and in the range of 10–200 bar. The alarm is the secondary cylinder pressure alarm point.

  • Page 51: Setting The Tank Pressure

    5.7.10. Setting the tank pressure The wireless transmission can be set “ON” or “OFF” depending whether the optional wireless pressure transmitter is used or not. No cylinder pressure-related data is shown, nor data reception made, when this selection is “OFF”. ADJUST WITH UP AND DOWN BUTTONS.

  • Page 52: Activation And Pre-Checks

    5.8.1. Accessing DIVE mode The Suunto Vyper Air 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 53 After activation, all graphical display elements are turned ON, and the backlight and the beep are activated. After this, the selected altitude and personal settings are dis- played, as well as the RGBM and Deep Stop status. A few seconds later the battery power indicator is shown.

  • Page 54: Battery Power Indication

    you have enough air for your planned dive. You should also check the pressure • reading against your back-up pressure gauge And, if set to NITROX mode, ensure that: the correct number of mixes is set and that the oxygen percentages are adjusted •...

  • Page 55: Diving At Altitude

    If the battery symbol is displayed in the Surface mode, or if the display is faded or weak, the battery may be too low to operate the dive computer, and battery replacement is recommended. For safety reasons, the backlight cannot be activated when the NOTE low battery warning is indicated by the battery symbol.

  • Page 56: Personal Adjustments

    Alt. adjustment Altitude range value 300–1500 m / 1000–5000 ft 1500–3000 m / 5000–10 000 ft Section 5.7.4. Setting the personal/altitude adjustments describes NOTE how the Altitude value is set. Traveling to a higher elevation can temporarily cause a change WARNING in the equilibrium of dissolved nitrogen in the body.
  • Page 57 fatigue • dehydration • previous history of DCI • stress • obesity • patent foramen ovale (PFO) • exercise on or after dive • This feature is used to adjust the computer to be more conservative, according to personal preference, by entering the suitable Personal Adjustment setting with the help of Table 5.6, Personal Adjustment settings.
  • Page 58 Several risk factors or condi- tions exist The Suunto Vyper Air 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. Statistic- ally, very experienced divers have less incidents with DCI.

  • Page 59: Safety Stops

    The reasons for performing a Safety Stop in- clude: reducing sub-clinical DCI, microbubble reduction, ascent control, and orientation before surfacing. The Suunto Vyper Air displays two different types of Safety Stops: Recommended Safety Stop and Mandatory Safety Stop. 5.9.1. Recommended Safety Stops With every dive over 10 meters, there is a three-minute countdown for the Recommen- ded Safety Stop, to be taken in the 3–6 m/10–20 ft range.

  • Page 60: 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. The time of this Mandatory Safety Stop depends on the severity of the ascent rate excess.

  • Page 61: Deep Stops

    Deep stops are safety stops that occur deeper than traditional stops, with the purpose of minimizing microbubble formation and excitation. The Suunto RGBM model calculates deep stops iteratively, placing the first stop about halfway between the maximum depth and the ceiling depth. After the first Deep stop is completed, another Deep stop will be prompted halfway to the ceiling, and so on until the ceiling depth is reached.

  • Page 62: Diving

    6. DIVING This section contains instructions on how to operate the dive computer and interpret its displays. The dive computer is easy to use and read. Each display shows only the data relevant to that specific diving mode. 6.1. Diving in the AIR mode (DIVE Air) This section contains information on diving with standard air.

  • Page 63: Basic Dive Data

    6.1.1. Basic dive data During a No-decompression dive, the following information is displayed: 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 •...

  • Page 64: 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 are also shown as annotations in the downloadable Suunto DM4 with Movescount software.

  • Page 65: Tank Pressure Data

    The bookmark logs the depth, time, and water temperature, as well as compass heading (if the compass has been enabled) and tank pressure when available. To make a bookmark in the profile memory during a dive, press the SELECT button. A brief confirmation will be given.
  • Page 66 The change in your air consumption is based on constant one second interval pressure measurements over 30–60 second periods. An increase in air consumption influences the remaining air time rapidly, while a drop in air consumption increases the air time slowly.

  • Page 67: Ascent Rate Indicator

    Low Air Pressure Warnings The dive computer will warn you with three (3) audible double beeps and a blinking pressure display when the cylinder pressure reaches 50 bar/700 psi. Three (3) double beeps are also heard when the cylinder pressure goes down to the user-selected alarm pressure, and when the remaining air time reaches zero.

  • Page 68: Safety Stops

    DO NOT EXCEED THE MAXIMUM ASCENT RATE! Rapid as- WARNING cents increase the risk of injury. You should always make the Mandatory and Recommended Safety Stops after you have ex- ceeded the maximum recommended ascent rate. If this Mandatory Safety Stop is not completed, the decompression model will penalize your next dive(s).
  • Page 69 the time needed at the deep stop • the time needed to ascend to the ceiling at an ascent rate of 10 m/33 ft per minute. • The ceiling is the shallowest depth to which you should ascend. the time needed at the ceiling •...
  • Page 70 In such cases, it is more manageable to maintain an additional distance below the ceiling, to ensure that the waves do not lift you above the ceiling. Suunto recom- mends that decompression takes place deeper than 4 m/13 ft, even if the indicated...
  • Page 71 It will take more time and more air to decompress below the ceiling NOTE than at the ceiling. 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 sign and an upward pointing arrow indicate that you are below the floor.
  • Page 72 UPWARD POINTING ARROW HAS DISAPPEARED AND ASC TIME LABEL HAS STOPPED BLINKING, MEANING YOU ARE IN THE DECOMPRESSION RANGE. Decompression will now begin, but is very slow. Therefore, you should 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 73 During the decompression stop, ASC TIME will count down towards zero. When the ceiling moves upwards, you can ascend to the new ceiling. You may surface only after the ASC TIME and CEILING labels have disappeared, which means that the decom- pression stop and any Mandatory Safety Stop have been completed.

  • Page 74: Diving In Nitrox Mode (Dive Nitrox)

    6.2. Diving in NITROX mode (DIVE Nitrox) The NITROX mode (DIVE Nitrox) is the second dive mode available in Suunto Vyper Air and is used when using oxygen-enriched gas mixtures. 6.2.1. Before diving in the NITROX mode If set to the NITROX mode, the correct oxygen percentage of the gas in your cylinder must always be entered into the computer to ensure correct nitrogen and oxygen calculations.

  • Page 75: Oxygen Displays

    Default nitrox settings In the NITROX mode, the Suunto Vyper Air allows you to set 1 or 2 nitrox mixes con- taining 21–99% oxygen. In the NITROX mode, the default setting for Mix1 is standard air (21% O ). It remains in this setting until the O % is adjusted to any other percentage of oxygen (22%–99%).
  • Page 76 the oxygen percentage, labeled O • the set oxygen partial pressure limit, labeled PO • the current oxygen toxicity exposure, labeled OLF% • maximum depth • current time • water temperature • dive time • tank pressure • DOWN BUTTON TOGGLES BETWEEN O MAXIMUM DEPTH...

  • Page 77: Oxygen Limit Fraction (Olf%)

    10.3. Oxygen exposure . 6.2.4. Gas change and multiple breathing gas mixes The Suunto Vyper Air allows gas changes to enabled gas mixes during the dive. Gas changes are made by following the procedure below: CHANGING GAS MIX. SCROLL...

  • Page 78: Diving In The Gauge Mode (Dive Gauge)

    Mix number, O % and PO for the mixes are shown when NOTE scrolling. If the set PO limit is exceeded , it will be shown with the PO value blinking. The dive computer does not allow you to change to a gas whose set PO is exceeded.
  • Page 79 BY PRESSING THE SELECT BUTTON DURING A DIVE, A BOOKMARK IS WRITTEN IN THE PROFILE MEMORY, THE DIVE TIMER IS RESET, AND THE PREVIOUSLY-TIMED INTERVAL IS DISPLAYED BELOW. Tank pressure (if enabled) is also displayed during the dive. The GAUGE mode does not provide decompression information. NOTE There is no ascent rate monitoring in the GAUGE mode.

  • Page 80: After Diving

    7. AFTER DIVING Once back at the surface, Suunto Vyper Air continues to provide post-dive safety in- formation and alarms. Calculations to enable repetitive dive planning also help to maximize diver safety. Table 7.1. Alarms Symbol on display Indication Diver Attention Symbol - Extend Surface Interval...

  • Page 81: Dive Numbering

    Or, in the alternative displays, the following information will be shown: maximum depth of last dive in meters/feet • • dive time of last dive in minutes, shown as DIVE TIME the current time, shown as TIME • • the current temperature in °C/°F tank pressure, if activated •...

  • Page 82: Repetitive Dive Planning

    7.3. Repetitive dive planning The Suunto Vyper Air includes a dive planner that allows you to review the no-decom- pression limits on a subsequent dive, taking the residual nitrogen loading of previous dives into consideration. The DIVE PLANNING mode is explained in Section 7.5.1.

  • Page 83: Plan 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.

  • Page 84: Dive Planning Mode (Plan Nodec)

    7.5.1. DIVE PLANNING mode (PLAN NoDec) The DIVE PLANNING mode displays no-decompression times for a new dive, taking into account the effects of previous dives. When entering the PLAN nodec 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.
  • Page 85 WHEN ENTERING THE PLANNODEC MODE THE DISPLAY FIRST BRIEFLY SHOWS TISSUE LOADING, THE REMAINING DESATURATION TIME BEFORE GOING INTO PLAN MODE. USE UP AND DOWN BUTTONS TO SCROLL DIFFERENT NO-DECOMPRESSION LIMITS. NO-DECOMPRESSION LIMITS LONGER THAN 99 MINUTES ARE DISPLAYED AS “–”. The Planning mode takes into account the following information from previous dives: any calculated residual nitrogen •...

  • Page 86: Simulation Mode (Plan Simulator)

    Higher Altitude and conservative Personal Adjustment settings will shorten the no- decompression time limits. These limits at different Altitude and Personal Adjustment setting selections are explained in Section 5.8.4. Diving at altitude and in Section 5.8.5. Personal adjustments Dive numbering shown during dive planning Dives belong to the same repetitive dive series if the instrument was still counting down the no-fly time at the beginning of the dive.

  • Page 87: Memory Mode

    PRESS UP OR DOWN BUTTONS TO DESCEND OR ASCEND. The mode can also be used to add the desired surface intervals for dive simulations. Add the desired surface interval increments to the present surface interval by pressing the UP and DOWN buttons. ADD SURFACE TIME IN 15 MINUTES INCREMENTS.

  • Page 88: Dive Logbook (Mem Logbook)

    7.6.1. Dive logbook (MEM Logbook) The Suunto Vyper Air has a very sophisticated, high capacity Logbook and Profile Memory. The data is recorded in the profile memory based on the selected sample rate. The END OF LOGS text is displayed between the oldest and most recent dive. The...
  • Page 89 THERE ARE THREE PAGES OF LOGBOOK DIVE INFORMATION. USE SELECT BUTTON TO SCROLL BETWEEN LOGBOOK PAGES I, II, AND III. THE DATA OF THE MOST RECENT DIVE IS SHOWN FIRST. Page I, main display maximum depth • • date of dive type of dive (AIR, NITROX, GAUGE) •...

  • Page 90: Dive History (Mem History)

    Page II maximum depth • • warnings consumed tank pressure • Page III graphical dive profile • water temperature • tank pressure (if enabled) • The memory will retain approximately the last 42 hours of dive NOTE time. After that, when new dives are added, the oldest dives are deleted.

  • Page 91: Suunto Dm4 With Movescount

    After that, you can view and organize all the data recorded with your Suunto Vyper Air. You can plan dives (with Suunto Dive Planner), print copies of your dive profiles, and also upload your dive logs to share with your friends at http://www.movescount.com (see Section 7.8.
  • Page 92 (30 characters) By using the DM4, you are able to enter setup options such as: • input a personal, 30-character field into the Suunto instrument. reset the Scuba History's maximum depth to zero • reset all Free Dive History •...

  • Page 93: Movescount

    To connect to Movescount: Go to www.movescount.com. Register and create your free Movescount account. Download and install the Suunto DM4 with Movescount software from the Movescount.com website if you do not already have the DM4 installed on your laptop To transfer data: Connect your dive computer to your laptop.

  • Page 94: Care And Maintenance Of My Suunto Diving Computer

    The service requires special tools and training. Therefore, it is advisable to contact an authorized SUUNTO dealer or distributor for service. Do not at- tempt to do any servicing that you are not sure of.
  • Page 95 SUUNTO dealer or distributor. • Should you detect scratches, cracks or other such flaws on the display that may impair its durability, immediately have it replaced by your SUUNTO dealer or distributor. • Wash and rinse the unit in fresh water after every use.
  • Page 96 A leak must be corrected without delay as moisture will seriously damage the unit, even beyond repair. SUUNTO does not take any responsibility for damage caused by moisture in the dive computer unless the instructions of this manual are carefully followed.

  • Page 97: Battery Replacement

    9. 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 98: Required Tools

    9.2. Required tools A flat 1.5 mm screwdriver or a special tool for spring bars (K5857). • • Soft cloth for cleaning. Needlenose pliers or small screwdriver for turning securing ring. • 9.3. Replacing the battery The battery and the buzzer are located in the back of the instrument in a separate compartment.
  • Page 99 In case of a leak or any other damage, bring the dive computer to an authorized SUUNTO dealer or distributor for check and repair. Check the condition of the O-ring; a defective O-ring may indicate sealing or other problems.
  • Page 100 16. Turn the locking ring counterclockwise with your free thumb and fingers until it snaps into its locked position. 17. The dive computer should now active its timekeeping mode and show time 18:00 [6:00 PM] and date SA 01,01. Activate the instrument. Check that all display segments work.

  • Page 102: Wireless Transmitter Battery Replacement

    9.4. Wireless transmitter battery replacement It is advisable to contact an authorized Suunto representative for NOTE transmitter battery replacement. It is imperative that the change is made in a proper manner to avoid any leakage of water into the transmitter.

  • Page 103: Required Tools

    Check for any traces of leakage, or for any other damage. If there is a leak or any other damage, take the transmitter to an authorized Suunto representative or distributor for checking and repair. Check the condition of the O-ring. A defective O-ring may indicate sealing or other problems.
  • Page 104 When the battery is re-installed, the transmitter sends an overpressure (“---“) signal on code 12 for 10 seconds, after which it goes to normal operation, and shuts down after five (5) minutes. Check that the new lubricated O-ring is in good condition. Put it in the right position in the O-ring groove.

  • Page 105: Technical Data

    10. TECHNICAL DATA 10.1. Technical specifications Dimensions and weight: • Diameter: 61.0 mm/2.4 in • Thickness: 28 mm/1.1 in • Weight: 68 g/2.4 oz Transmitter: • Max. diameter: 40 mm/1.57 in • Length: 80 mm/3.15 in • Weight: 118 g/4.16 oz •...
  • Page 106 Other displays • Dive time: 0 to 999 min, counting starts and stops at 1.2 m /4 ft depth • Surface time: 0 to 99 h 59 min • Dive counter: 0 to 99 for repetitive dives • No-decompression time: 0 to 99 min (- - after 99) •...
  • Page 107 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 RGBM algorithm (developed by Suunto and Bruce R. Wienke, BSc, MSc, PhD) • 9 tissue compartments •...
  • Page 108 Transmitter: • One 3V lithium battery: 1/2AA (K5546) and O-ring 2.00 mm x 2.00 mm (K5538) • Battery storage time (shelf life): Up to three years • Replacement: Every two years, or more often depending on dive activity • Life expectancy at 20°C/68°F: •...

  • Page 109: Rgbm

    It was developed in co-operation between Suunto and Bruce R. Wienke BSc, MSc, PhD. It is based on both laboratory experiments and diving data, including data from DAN.

  • Page 110: No-Decompression Limits For Air

    Depending on the circumstances, Suunto RGBM will adapt the decompression oblig- ations by doing any or all of the following: Reducing No-decompression Stop dive times • Adding Mandatory Safety Stops • Increasing Decompression Stop times • Advising an extended surface interval (Diver Attention symbol) •...
  • Page 111 Table 10.1. No-decompression time limits for various depths (m) No-decompression time limits (mins) for various depths (m) for the first dive of a series Depth Personal Mode / Altitude Mode P0/A0 P0/A1 P0/A2 P1/A0 P1/A1 P1/A2 P2/A0 P2/A1 P2/A2...
  • Page 112 Table 10.2. No-decompression time limits for various depths (ft) No-decompression time limits (mins) for various depths (ft) for the first dive of a series Depth Personal Mode / Altitude Mode (ft) P0/A0 P0/A1 P0/A2 P1/A0 P1/A1 P1/A2 P2/A0 P2/A1 P2/A2...

  • Page 113: Altitude Diving

    10.2.3. 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. This "additional" nitrogen is released gradually over time and equilibrium is restored.
  • Page 114 The selected O % on the alternative display • OLF% alternative display for either CNS% or OTU% (whichever is larger) • Audible alarms are given and the OLF value starts to blink when the 80% and • 100% limits are exceeded. Audible alarms are given and the actual PO value blinks when it exceeds the •...

  • Page 115: Intellectual Property

    11. INTELLECTUAL PROPERTY 11.1. Trademark Suunto is a registered trademark of Suunto Oy. 11.2. Copyright © Suunto Oy 08/2011. All rights reserved. 11.3. Patent notice Patents have been issued or applied for one or several features of this product.

  • Page 116: Disclaimers

    The CE mark is used to mark conformity with the European Union EMC directive 89/336/EEC. 12.2. EN 13319 EN 13319 is a European diving depth gauge standard. Suunto dive computers are designed to comply with this standard. 12.3. EN 250 / FIOH...

  • Page 117: Suunto Limited Warranty

    13. SUUNTO LIMITED WARRANTY Suunto warrants that during the Warranty Period Suunto or a Suunto Authorized Service Center (hereinafter Service Center) will, at its sole discretion, remedy defects in materials or workmanship free of charge either by a) repairing, or b) replacing, or c) refunding, subject to the terms and conditions of this Limited Warranty.
  • Page 118 Suunto does not warrant that the operation of the Product will be uninterrupted or error free, or that the Product will work in combination with any hardware or software provided by a third party.

  • Page 119: Disposal Of The Device

    14. 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 120: Glossary

    See "Tissue group". Abbreviation for Divers Alert Network. Abbreviation for decompression illness. Suunto DM4 with Movescount, a software for managing your dives Decompression Time spent at a decompression stop, or range, before surfacing, to allow absorbed nitrogen to escape naturally from tissues...
  • Page 121 Decompression illness 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 inad- equately controlled decompression. Commonly called "the bends" or "DCI". Dive series A group of repetitive dives between which the dive computer indicates some nitrogen loading is present.
  • Page 122 Used to measure the whole-body-toxicity. Oxygen limit fraction A term used by Suunto for the values displayed in the oxygen toxicity bar graph. The value is either the CNS% or the OTU%. Oxygen percentage or oxygen fraction in the breathing gas. Standard air has 21% oxygen.
  • Page 123 Abbreviation for patent foramen ovale. It is a form of congenital heart defect that enables blood flow between the left and right atria via the in- teratrial septum. Abbreviation for oxygen partial pressure. RGBM Abbreviation for Reduced Gradient Bubble Model. Reduced Gradient Bubble Model Modern algorithm for tracking both dissolved and free gas in divers.
  • Page 124   SUUNTO HELP DESK Global  +358 2 284 1160 USA (toll free)  +1-800-543-9124 Canada (toll free)  +1-800-267-7506 www.suunto.com Copyright © Suunto Oy 09/2008, 10/2008, 11/2008, 08/2011. Suunto is a registered trademark of Suunto Oy. All Rights reserved.

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