Suunto HELO2 User Manual
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Suunto HELO2 User Manual

Suunto scuba diving equipment user manual
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HelO
2
USER'S GUIDE

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Summary of Contents for Suunto HELO2

  • Page 1 HelO 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 DIVING INSTRUMENTS ... 5 1.1. Using HelO with Dive Manager and Dive Planner ... 5 2. WARNINGS, CAUTIONS, AND NOTES ... 6 3. SUUNTO HelO AT A GLANCE ... 9 3.1. Navigating in the menus ... 9 3.2.
  • Page 4 7.8. Suunto Dive Manager (SDM) ... 39 7.9. www.suuntosports.com and Suunto Diving World at www.suunto.com/diving ... 39 8. CARE AND MAINTENANCE OF MY SUUNTO DIVING COMPUTER ... 41 9. BATTERY REPLACEMENT ... 43 9.1. Battery kit ... 43 9.2. Required tools ... 43 9.3.

  • Page 5: Welcome To The World Of Suunto Diving Instruments

    1.1. Using HelO with Dive Manager and Dive Planner Suunto HelO is designed to be used together with Suunto Dive Planner and Suunto Dive Manager. They both are PC programs for planning and managing your dive data. While HelO is used during a dive, the Dive Manager is used for uploading the dive data to your PC and the Dive Planner for planning any subsequent dives using the uploaded dive data as a basis.

  • Page 6: Warnings, Cautions, And Notes

    NOTE Before you go on to read the manual itself, it is extremely important that you read the fol- lowing warnings. These warnings are intended to maximize your safety while using Suunto HelO and must not be ignored.
  • Page 7 Thus, any diving activity up to four days prior to initial use of the computer may cause misleading information and must be avoided. DO NOT EXPOSE THE SUUNTO HelO WARNING TRANSMITTER TO ANY GAS MIX CONTAINING MORE THAN 40% OXYGEN! Gas with greater oxygen content presents a risk of fire or explosion and serious injury or death.
  • Page 8 SELECT THE CORRECT ALTITUDE ADJUSTMENT SETTING! When WARNING diving at altitudes greater than 300 m/1,000 ft the Altitude Adjustment feature must be correctly selected in order for the computer to calcu- late the decompression status. The dive computer is not intended for use at altitudes greater than 3,000 m/10,000 ft.

  • Page 9: Suunto Helo

    3. SUUNTO HELO2 AT A GLANCE 3.1. Navigating in the menus Suunto HelO has four main operating modes: TIME mode DIVE mode (MIXED GAS, GAUGE) PLAN mode (NODEC) MEMORY mode (HISTORY, LOGBOOK) To toggle between the main modes, press the MODE button. To select a submode in DIVE and MEMORY modes, press the UP/DOWN buttons.
  • Page 10 Symbol Button Press DOWN Long Main functions Enter Setting mode...

  • Page 11: Getting Started With Your Suunto Helo

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

  • Page 12: Setting The Backlight

    4.1.4. 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.

  • Page 13: Before Diving

    The dive computer records data of the actual dive. After a dive you upload the data back to the Suunto Dive Planner for comparing the plan to the actual dive and adjusting the plan for the next dive.

  • Page 14: Emergency Ascents

    To get the most from the RGBM safety benefits, refer to Section 10.2. RGBM. 5.3. Emergency ascents Before you dive, you must have the dive plan created with the Suunto Dive Planner printed out on a slate. You must also have a back-up plan for lost gases. In the unlikely event that the dive computer malfunctions during a dive, start using an alternative depth gauge and timer and following the ascent schedule and gas switches that are on the slate.

  • Page 15: Audible And Visual Alarms

    5.6. Audible and visual alarms The dive computer has audible and visual alarms that advise when important limits are approached or that prompt you to acknowledge preset alarms. The table below describes the different alarms and their meanings. Table 5.1. Audible and visual alarm types Alarm indication Three beeps with a one second interval for the maximum of three minutes.

  • Page 16: Error Conditions

    The same limits are used in the Suunto Dive Planner and so repetitive dives will be checked while planning a dive because a dive plan must be created in any case.

  • Page 17: Wireless Transmission

    By using the transmitter, you can be- nefit from receiving cylinder pressure data direct to your wrist. In order to use the transmitter, the wireless integration needs to be enabled in your Suunto HelO settings.

  • Page 18: Transmitting Data

    15 bar/218 psi. Take the Suunto HelO display the selected code number and then start displaying the transmitted cylinder pressure. The wireless transmitter indicator is displayed every time the Suunto receives a valid signal. If there are several divers using Suunto HelO...

  • Page 19: Mixed Gas Dive Mode Settings

    In addition, the oxygen partial pressure limit must be set. You can either modify the dive plan with the Suunto Dive Planner or enter the correct values directly into the dive computer after analyzing the gas mixes in your cylinders.

  • Page 20: Setting The Depth Alarm

    The depth range can be set from 3 m to 120 m/10 ft to 394 ft. 5.9.3. Setting the dive-time alarm The Suunto HelO has a dive-time alarm setting which, when activated, can be used for several purposes to add to your diving safety.

  • Page 21: Setting The Sample Rate

    5.9.5. Setting the sample rate The sample rate controls how often the depth, time, tank pressure, and water temperature is stored in the memory. You can set the dive profile sample rate to 10, 20, 30, or 60 seconds. The factory default setting is 20 seconds.

  • Page 22: Setting The Units

    5.10.1. Accessing DIVE mode The Suunto HelO has two diving modes: MIXED GAS mode for diving with gas mixes and GAUGE mode for use as a bottom timer.

  • Page 23: Battery Power Indication

    the altitude and personal adjustment settings are correct • the instrument displays correct units of measurement (Metric/Imperial) • the instrument displays the correct temperature and depth (0.0 m/0 ft) • the alarm beeps • If the optional wireless pressure transmitter is used ensure that: the pressure transmitter has been properly attached and the cylinder valve is open •...

  • Page 24: Personal Adjustments

    Alt. adjustment value Section 5.9.4. Setting the personal/altitude adjustments describes NOTE how the Altitude value is set. WARNING Traveling to a higher elevation can temporarily cause a change in the equilibrium of dissolved nitrogen in the body. It is recommended that you acclimatize to the new altitude by waiting at least three hours before diving.

  • Page 25: Safety Stops

    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 26: Deep Stops

    The purpose of deep stops is to slow down a long continuous ascent and minimize microbubble formation and excitation. While the Suunto Technical RGBM model is based on M-values, the use of deep stops brings the model closer to the full RGBM model. The way of implementing deep stops is conducted by Dr.

  • Page 27: 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 28: 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, water temperature, and tank pressure when available.
  • Page 29 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 30 NEVER ASCEND ABOVE THE CEILING! You must not ascend above WARNING 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 31: Diving In Mixed Gas Mode

    You must not dive again for at least 48 hours. (See Section 5.7. Error conditions). 6.2. Diving in MIXED GAS mode MIXED GAS mode is the first dive mode available in Suunto HelO . The mode is used when diving with air or with oxygen- or helium-enriched gas mixes.

  • Page 32: Oxygen Limit Fraction (Olf)

    MAXIMUM OPERATIONAL DEPTH BASED ON SET O 83.3 M. If set to MIXED GAS mode, the Suunto HelO display: • the oxygen percentage, labeled O the helium percentage, labeled He% • the set oxygen partial pressure limit, labeled PO •...

  • Page 33: Diving In Gauge Mode

    Mix number, O NOTE scrolling. If the set PO to a gas whose set PO but cannot be selected. If the PO computer gives an alarm. If no button is pressed in 15 seconds, the dive computer will go back NOTE to the dive display without changing the gas mix.

  • Page 34: After Diving

    7. AFTER DIVING Once back at the surface, Suunto HelO and alarms. Calculations to enable repetitive dive planning also help to maximize diver safety. Table 7.1. Alarms Symbol on display 7.1. Surface interval An ascent to any depth shallower than 1.2 m/4 ft will cause the DIVING display to be re- placed by the SURFACE display: FROM A 6-MINUTE DIVE.

  • Page 35: Repetitive Dive Planning

    The dive plan mode is not meant for technical dive planning which the Suunto Dive Planner PC software is meant for. However, the dive plan mode can be used to plan short recreational dives.

  • Page 36: Memory 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 dis- played as “—“. WHEN ENTERING THE PLANNODEC MODE THE DISPLAY FIRST BRIEFLY SHOWS THE REMAINING DESATURATION TIME BEFORE GOING INTO PLAN MODE.

  • Page 37: Dive Logbook (Memlogbook)

    7.6.1. Dive logbook (MEMLogbook) The Suunto HelO has a very sophisticated, high capacity Logbook and Profile Memory. The data is recorded in the profile memory based on the selected sample rate.

  • Page 38: Dive History

    The dive history is a summary of all the dives recorded by the dive computer. 7.7. Suunto Dive Planner (SDP) Suunto Dive Planner is an essential part of your dive. It is used for creating dive plans. Using the Suunto Dive Planner software is not a substitute for proper WARNING dive training.

  • Page 39: Suunto Dive Manager (Sdm)

    You can then view and organize all the data recorded with your Suunto HelO also transfer dive profiles to Suunto Dive Planner, print copies of your dive profiles and upload your dive logs to share with your friends at SuuntoSports.com.
  • Page 40 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 41: Care And Maintenance Of My Suunto Diving Computer

    Make sure that all salt crystals and sand particles have been flushed out. Check the display for possible moisture or water. DO NOT use the dive computer if you detect any moisture or water inside. Contact an authorized Suunto dealer for battery replacement or other service.
  • Page 42 A leak must be corrected without delay as moisture will ser- iously 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 43: Battery Replacement

    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 44: Wireless Transmitter Battery Replacement

    Lid with buzzer O-Ring 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 45: Transmitter Battery Kit

    Carefully remove the battery. Do not touch the electrical contacts or the circuit board. 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 distrib- utor for checking and repair.
  • Page 46 Wireless transmitter parts. The code stands for spare part order number.

  • Page 47: Technical Data

    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 Technical RGBM algorithm (developed by Suunto and Bruce R. Wienke, BSc, MSc, PhD) • 9 tissue compartments •...

  • Page 48: Rgbm

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

  • Page 49: Suunto Technical Rgbm Decompression Model

    In the late 1990s Suunto implemented Dr. Bruce Wienke's RGBM bubble model to work with the M model. The first commercial products with the feature were Vyper and Stinger. With these products the improvement of diver safety was significant.

  • Page 50: 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 51: Intellectual Property

    , 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. 11.3. Patent notice This product is protected by the following patents and patent applications: US 5,845,235...

  • Page 52: Disclaimers

    – Requirements, testing, marking. EN 13319 ”Diving accessories – Depth gauges and combined depth and time measuring devices – Functional and safety requirements, test methods” is a European diving depth gauge standard. The Suunto is designed to comply with this standard.

  • Page 53: Suunto Limited Warranty For Suunto Diving Computers And Suunto Diving Computer Accessories

    This Limited Warranty is only valid and enforceable in the country in which you purchased the Product, provided that Suunto has intended the Product for sale in that country. If, however, you purchased the Product in a member state of the European Union, Iceland, Norway, Switzerland or Turkey, and Suunto originally intended the Product for sale in one of these countries, this Limited Warranty is valid and enforceable in all of these countries.
  • Page 54 When the Product or a part is replaced, any replaced item becomes the property of Suunto. If a refund is given, the Product for which the refund is given must be returned to a Suunto Authorized Service Centre as it becomes the property of Suunto and/or Suunto Authorized Service Centre.
  • Page 55 FROM THE PURCHASE OR USE OF THE PRODUCT OR ARISING FROM BREACH OF THE WARRANTY, BREACH OF CONTRACT, NEGLIGENCE, STRICT TORT, OR ANY OTHER LEGAL OR EQUITABLE THEORY, EVEN IF SUUNTO KNEW OF THE LIKELIHOOD OF SUCH DAMAGES. SUUNTO SHALL NOT BE LIABLE FOR DELAY IN RENDERING SERVICE UNDER THE LIMITED WARRANTY, OR LOSS OF USE DURING THE TIME THE PRODUCT IS BEING REPAIRED.

  • Page 56: 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 57: Glossary

    GLOSSARY Altitude dive Ascent rate ASC RATE Ascent time ASC TIME Ceiling Central nervous system toxicity CNS% Compartment Decompression Decompression range Decompression illness Dive series Dive time Enriched air nitrox Equivalent air depth Floor Half time Heliox Multi level dive Nitrox NOAA No decompression time...
  • Page 58 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 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 59 Suunto website www.suunto.com COPYRIGHT This publication and its contents are proprietary to Suunto Oy. Suunto, Dive Computer, Suunto HelO trademarks of Suunto Oy. All rights reserved. While we have taken great care to ensure that information contained in this documentation is both comprehensive and accurate, no warranty of accuracy is expressed or implied.
  • Page 64 © Suunto Oy 4/2009...

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