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Suunto VYPER Operating Instructions

1. cm 35 Qu CHET zsm EE 3 SET OPTIONS 2 SIMULation OPTIONS 3 MEMORY OPTIONS 3 SET 2 SIMPLAN am 1 SIMDIVE BTR PC 4 aur PREFerences 5 s EET hp m maag TIME prag EE Sd Gp Am ei r mo Y page d at FSO oi vemil gt SiMulate PLANning lt TOTII __ pase 2 rp increase depth aw decrease depth Simulate diving Gur page 3 OD pueri GU i ur page 1 2 SET PREF OPTIONS 3 SET TIME OPTIONS gt 3 4 SET DIVE OPTIONS c EA 4 x 4 4 NITROX yy Adj MODE 2 MODEL 3 T ALARM gun 1 Adj TIME EET avr av a 2 Adj DATE a eare ADLAI A2 AR Lon off 22h AM 7 PM 2 3 MAX DPTH 2 d ALARM Personal mum Gd ES Ei lt gt Ex min Et E E 50 wy Per MODES AND OPERATIONS Backlight 1 aaowans nuaw 1 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 SUUNTO Copyright e Suunto Oy 01 2003 02 2006 09 2011 Suunto is a registered trademark of Suunto Oy All Rights reserved
2. 40 02 2 73 EOARTER DIVING z perpe el rec eR M RE UD p da Ner E IFPRO 75 731 Surface interval RE 75 7 2 Dive numbering eek recu temo eeu ee elds 78 7 3 Flying after diVINg 78 7 4 Memories and Data Transfer 1 79 7 4 1 Logbook and Dive Profile Memory 1 LOGBOOK 80 7 4 2 Dive history Memory 2 86 7 4 3 Data Transfer and PC Interface 3 88 EM Movescount Re P 89 7 6 Simulation Mode SIMUL 90 7 6 1 Dive Simulator 1 SIMDIVE 22 4 44 91 7 6 2 Dive Planning Simulator 2 92 8 CARE AND MAINTENANCE OF MY SUUNTO DIVING COMPUTER 94 9 BATTERY REPLACEMENT i enu Ert exte tesa CR 97 9 1 Battery Kite oir iro rase recom etia et de 97 9 2 Required tools opo sence eese ER ged pg EROS ed br Ogg e 97 9 3 Replacing the 7 42 2 7 7 2 22 98 10 RR IND 102 10 1 Technical specifications
3. 2 0 0 2 43 5 7 1 Accessing DIVE mode 4 0 2 2 2 222 43 5 7 2 DIVE mode activation 44 5 7 3 Battery power indication 2 2 0 2 2 2 46 5 7 4 Diving at altitude 0 00 2 47 5 7 5 Personal adj stments ett d e ented 48 5 8 Safety Stops tenerte 50 5 8 1 Recommended Safety Stops 51 5 8 2 Mandatory Safety Stops 52 6 Pm 54 6 14 Diving in AlR mode rrr t Ed ere EE Es des 54 6 1 1 Basic dive data t Re era De a ER 55 6252 tre Ue ITE ex EM e dU 56 6 1 3 Consumed Bottom Time 57 6 1 4 Ascent rate 7 7 58 6 1 5 Decompression dives 60 6 2 Diving in NITROX mode 0 67 6 2 1 Before diving in the NITROX mode 68 6 2 2 Oxygen displays 2 69 6 2 3 Oxygen limit fraction 71 6 3 Diving in the GAUGE mode
4. Ascent rate incicator The equivalent ascent speed No segment Below 4 m min 13 ft min One segment 4 6 m min 13 20 ft min Two segments 6 8 m min 20 26 ft min Three segments 8 10 26 33 ft min Four segments 10 12 m min 33 39 ft min Four segments the SLOW seg 12 m min 39 ft min or continuously 10 ment blinking depth reading the 33 ft min STOP sign and an audible alarm 58 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 ascent rate is above the allowed maximum rate Whenever the SLOW warning segment and the STOP sign appear you should imme diately slow down your ascent When you reach the depth zone between 6 m to 3 m 20 ft to 10 ft the STOP and CEILING depth labels will advise you to make a Mandatory Safety Stop Wait until the warning disappears You should not ascend shallower than 3 m 10 ft with the Mandatory Safety Stop warning on Figure 6 4 Ascent Rate Indicator Blinking depth reading SLOW and four segments shown ascent rate is more than 10 m min 33 ft min This is a caution to slow down The STOP sign means that you are advised to make a Mandatory Safety Stop when you reach the depth of 6 m 20 ft 59 A WARNING DO NOT EXCEED THE MAXIMUM ASCENT RATE Rapid as cents increase the ri
5. 2 102 10 2 ROBERT ERI ETE IRIS RB MAT US 105 10 2 1 Suunto RGBM adaptive decompression 106 10 2 2 No decompression limits for 107 10 2 3 Altit de diVIng s oe rre peret neben lend dien 109 10 3 Oxygen expoSUfe iie sedora e etie tone t aed ee e ebur 110 11 INTELLECTUAL PROPERTY 4 112 11 1 Trademark ep etre ndum xe eter 112 112 Copyright eee RII Ru uM Gen qund 112 11 3 Patent oom nre tee Fette sine dats o xr esas 112 12 DISCEAIMERS iia ote d te bii fA fed Yt nb veri perta pisi 113 Qeon ELT 113 12 2 EN 13319 2 54 iter tet ee edet rudi a deas 113 12 9 EN 250 ROH cer poc teer pne erra deed 113 13 SUUNTO LIMITED WARRANTY isssssssssIHI He 114 14 5 THE DEVICE ertet rele destiny 116 GEOSSARY 55 MEASURED Mon s rese d ang 117 1 WELCOME TO THE WORLD OF SUUNTO DIVE COMPUTERS Suunto Vyper dive computer is designed to help you get the most out of your diving The Vyper dive computer is a compact and sophisticated multipurpose dive instrument that will give you years of trouble free and joyful diving The Suunto Vyper User s Guide contains vitally important information which enables you to become familiar with your Suunto wristop d
6. The available no decompression time is also shown visually in the multi function bar graph on the left side of the display When your available no decompression time de creases below 200 minutes the first lowest bar graph segment appears As your body absorbs more nitrogen more segments start to appear Green Zone As a safety precaution Suunto recommends you should maintain the no decompression bar graph within the green zone Segments start to appear when the available no decompression time decreases below 100 80 60 50 40 30 and 20 minutes Yellow Zone As the bars reach the yellow zone your no decompression stop time is less than 10 or 5 minutes and you are getting very close to no decompression limits At this point you should start your ascent towards the surface 57 Red Zone As all of the bars appear red zone your no decompression stop time has become zero and your dive has become a decompression stop dive for more information see Section 6 1 5 Decompression dives 6 1 4 Ascent rate indicator The ascent rate is displayed graphically along the right hand side with a vertical bar 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 Table 6 1 Ascent rate indicator
7. The Simulation mode can be used to acquaint yourself with the features and displays of the instrument before diving to plan dives in advance for demonstration or education purposes or just for pleasure The dive computer has two simulation modes The DIVE SIMULATOR The DIVE PLANNING SIMULATOR Figure 7 11 Dive Simulation options 2 SIMUL 90 In Simulation Mode time moves four times faster than real time when diving for example 15 s 1 min 7 6 1 Dive Simulator 1 SIMDIVE The Dive Simulator mode is an excellent tool for becoming familiar with the dive computer and planning your dives Suunto recommends using the dive simulator to run through different dive scenarios The Dive Simulator will allow you to perform dive profiles of your choice and see what the display would look like during an actual dive This includes basic dive information as well as audible and visual warnings To enter the Dive Simulator mode select MODE 2 SIMUL 1 SIMDIVE Figure 7 12 Dive Simulator mode 1 SIMDIVE Descend by pressing the arrow down TIME button and ascend by pressing the arrow up PLAN button 91 7 6 2 Dive Planning Simulator 2 SIMPLAN The Dive Planning Simulator mode shows you the present no decompression limits In this mode you are also able to add the desired surface interval increment to present surface interval time which allows you to plan your dives in advance This mode is also used to add the d
8. The Set Modes include dive configuration and setup options that have to be set before the dive The Set Modes are divided into three submodes for setting the dive related parameters time related parameters and your personal preferences In this section are introduced the time related parameters Setting Time 2 SET TIME and personal preferences Setting Preferences 3 SET PREF The dive related parameters Dive Parameter Settings 1 SET DIVE are introduced in more detail in Section 5 6 DIVE mode settings Figure 4 3 Setting Options 3 SET 25 4 1 1 Setting Time 2 SET TIME To enter the Time Setting mode select MODE 3 SET 2 SET TIME The Time Setting mode has three options 1 AdJ Time 2 AdJ Date and 3 T ALARM Daily Time Alarm Figure 4 4 Time Setting Mode 2 SET TIME Adjusting Time 1 AdJ TIME To enter the Time Setting mode select MODE 3 SET 2 SET TIME 1 AdJ TIME After entering this mode you are able to select between 12 h and 24 hour time formats and set the correct time by using the SMART MODE and scroll buttons 26 Figure 4 5 Adjusting the Time setting Adjusting Date 2 AdJ DATE To enter the Date Setting mode select MODE 3 SET 2 SET TIME 2 AdJ DATE After entering this mode you are able to set the correct year month and day in this order Ej NOTE The day of the week is automatically calculated in accordance with the date The date can be set within the range of Jan 1 1990 to Dec
9. parent battery compartment lid indicating a leak Figure 9 1 Opening of the securing ring 101 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 Depth gauge Temperature compensated pressure sensor Calibrated complying with EN 13319 Maximum depth of operation 80 m 262 ft complying with EN 13319 Accuracy 1 of full scale or better from 0 to 80 m 262 ft at 20 68 complying with EN 13319 Depth display range 0 to 150 m 492 ft Resolution 0 1 m from 0 to 100 m 1 ft from 0 to 328 ft 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 199 min after 199 Ascent time 0 to 99 min after 99 Ceiling depths 3 0 to 100 m 10 to 328 ft Temperature display Resolution 1 C 1 F 102 Display range 9 to 50 C 9 to 122 F e Accuracy 2 3 6 F within 20 minutes of temperature change Calendar clock Accuracy 25 s month at 20 C 68 F 12 24 h display Displays only in NITROX mode Oxygen 21 50 Oxygen partial pressure display 1 2 1 6 bar Oxygen Limit Fraction 1 110 with 1096 resolution bar graph Logbook dive profile memory Recording interval 20 seconds adjustable 10 20 30 60 s Memory capacity approximatel
10. 31 2089 27 Figure 4 6 Adjusting the Date setting mode 2 AdJ DATE Adjusting Daily Alarm 3 T ALARM You can set one daily alarm in the dive computer When the daily alarm activates the time symbol blinks for 1 minute and the alarm sounds for 24 seconds The alarm is given at the preset time each day Press any button to stop the audible alarm after it has activated To enter the Daily Alarm Setting mode select MODE 3 SET 2 SET 3 T ALARM After entering this mode you are able to set the desired alarm time 28 Figure 4 7 Adjusting the Daily Alarm setting mode 3 ALARM 4 1 2 Setting Preferences 3 SET PREF To enter the Setting Preferences mode select MODE 3 SET 3 SET PREF The Setting Preferences mode has two options 1 LIGHT and 2 MODEL Backlight On Time Setting 1 LIGHT In the Backlight Setting mode the backlight can be turned off or on and the on time can be set to be 5 to 30 seconds To enter the Backlight Setting mode select MODE 3 SET 3 SET PREF 1 LIGHT After entering this mode you are able to set the desired backlight on time and to turn the backlight off or on 29 Figure 4 8 Setting Backlight On Time Press scroll buttons to change backlight on off and to set time value Dive Computer Model Settings Air Nitrox Gauge 3 MODEL In the Dive Computer Model Setting mode the dive computer can be set to be an AIR computer NITROX computer or a depth GAUGE with a timer To
11. Some risk factors or conditions exist Progressively more conservative P2 M Several risk factors or conditions lexist 5 8 Safety Stops Safety Stops are widely considered good diving practice for recreational diving and are an integral part of most dive tables The reasons for performing a Safety Stop in clude reducing sub clinical DCI microbubble reduction ascent control and orientation before surfacing The Suunto Vyper displays two different types of Safety Stops Recommended Safety Stop and Mandatory Safety Stop The Safety Stops are indicated by STOP label when in the depth range 3 6 m 10 20 ft Recommended Safety Stop Countdown 50 STOP CEILING label when the depth range 3 6 10 20 ft Mandatory Safety Stop Time display STOP label when deeper than 6 m Mandatory Safety Stop scheduled 5 8 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 This is shown with the STOP sign and a three minute countdown in the center window instead of the no decompres sion time Figure 5 8 Ascent rate indicator Two segments NOTE The Recommended Safety Stop as the name implies is recom mended If it is ignored there is no penalty applied to the following surface intervals and dives 51 5 8 2 Mandatory Safety Stops When the ascent rate exceeds 10 m 33
12. are given and the OLF value starts to blink when the 80 and 100 limits are exceeded In dive planning the maximum depth according to the and maximum PO selected the blinking of the bar graph stops when the PO2 is below 0 5 bar the PO2 is shown when it is greater than the preset limit 111 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 112 12 DISCLAIMERS 12 1 The mark is used to mark conformity with the European Union 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 The tank pressure gauge and dive instrument parts used in measuring the tank pressure meet the requirements set in the section of the European Standard EN 250 that concern tank pressure measurements FIOH notified body no 0430 has EC type examined this type of personal protective equipment 113 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 refunding subject to t
13. as DIVE 2 the third as DIVE 3 and so on If you start a new dive with less than five 5 minutes of surface interval time the dive computer interprets this as a continuation of the previous dive and the dives are con sidered to be the same The diving display will return the dive number will remain unchanged and the dive time will begin where it left off After five 5 minutes on the surface subsequent dives are by definition repetitive The dive counter displayed in the Planning mode will increment to the next number if another dive is made 7 3 Flying after diving In the DIVE mode the no fly time is displayed in the center window next to the airplane image In the TIME mode the airplane image is shown in the top left corner Flying or traveling to a higher altitude should be avoided at any time when the computer is counting down the no fly time NOTE The airplane symbol is not shown on the stand by display You should always activate the dive computer and check that the air plane symbol is not displayed prior to flying The no fly time is always at least 12 hours or equivalent to the so called desaturation time if longer than 12 hours In the Permanent Error mode and GAUGE mode the no fly time is 48 hours The Divers Alert Network DAN recommends the following on no fly times 78 minimum surface interval of 12 hours would be required in order to be reasonably assured a diver will remain symptom free upon ascent
14. based on the set oxygen percentage and partial pressure limit Figure 6 11 Nitrox display Maximum depth based on set 02 21 and 2 1 4 bar is 54 1 m 177 ft 69 In the Dive modes the oxygen percentage labeled with O2 and the current oxygen toxicity exposure shown with an Oxygen Limit Fraction OLF bar graph are shown Fig 3 22 and Fig 3 23 The O2 is shown until the remaining air time is less than 30 minutes After this the remaining air time is displayed in its place During a dive the oxygen partial pressure labeled with is also shown instead of the maximum depth in the upper right display if the partial pressure is greater than 1 4 bar or the set value g e tine Figure 6 12 Oxygen partial pressure and OLF displays There is an audible alarm as oxygen partial pressure is greater than 1 4 bar or set value and or the OLF has reached 80 limit By pressing the TIME button during a nitrox dive the alternative display appears which includes current time temperature Consumed Bottom Time 70 maximum depth during decompression stop dive Figure 6 13 Alternative display Pressing the TIME button displays the current time maximum depth and CBT After five seconds the display will automatically revert to the original display 6 2 3 Oxygen limit fraction OLF If setto the NITROX mode in addition to tracking the diver s exposure to nitrogen the instr
15. combination with any hardware or software provided by a third party Access to Suunto warranty service Register your item at www suunto com register and save the purchase receipt and or registration card For instructions how to obtain warranty service visit www suunto com contact your local authorized Suunto retailer or call Suunto Help Desk 358 2 2841160 national or premium rates may apply Limitation of Liability To the maximum extent permitted by applicable mandatory laws this Limited Warranty is your sole and exclusive remedy and is in lieu of all other warranties expressed or implied Suunto shall not be liable for special incidental punitive or consequential damages including but not limited to loss of anticipated benefits loss of data loss of use cost of capital cost of any substitute equipment or facilities claims of third parties damage to property resulting from the purchase or use of the item or arising from breach of the warranty breach of contract negligence strict tort or any legal or equitable theory even if Suunto knew of the likelihood of such damages Suunto shall not be liable for delay in rendering warranty service 115 14 DISPOSAL 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 116 GLOSSARY Altitude dive Ascent rate ASC RATE A
16. 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 DO NOT EXCEED THE MAXIMUM ASCENT RATE Rapid as 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 pen alize your next dive s YOUR ACTUAL ASCENT TIME MAY BE LONGER THAN DIS PLAYED BY THE INSTRUMENT The ascent time will increase if you remain at depth ascend slower than 10 m min 33 ft min or make your decompression stop deeper than at the ceiling These factors will also increase the amount of air required to reach the surface 13 WARNING WARNING WARNING WARNING NEVER ASCEND ABOVE THE CEILING You must not ascend 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 HAVE NOT PERSONALLY VERIFIED ITS CONTENTS AND ENTERED THE ANALYSIS VALUE INTO YOUR DIVE COM PUTER Failure to verify cylinder contents and enter the appropri ate O into your dive computer will result in incorrect dive planning information DO NOT DIVE WITH A GAS IF YO
17. mins for various depths ft for the first dive of a series Depth Personal Mode Altitude Mode ft 0 1 2 P1 AO P1 A1 1 2 2 0 P2 A1 P2 A2 30 160 127 160 127 93 127 93 73 40 120 86 65 86 65 53 65 53 43 50 69 56 41 56 41 34 41 34 28 60 50 38 29 38 29 25 29 25 20 70 36 29 23 29 23 20 23 20 15 80 28 23 19 23 19 15 19 15 11 108 No decompression time limits mins for various depths ft for the first dive of a series Depth Personal Mode Altitude Mode ft PO AO 1 PO A2 1 0 1 1 P1 A2 2 0 P2 A1 P2 A2 90 21 18 15 18 15 11 15 11 9 100 17 14 11 14 11 9 11 9 7 110 13 11 9 11 9 7 9 7 6 120 10 9 8 9 8 6 8 6 5 130 9 7 6 7 6 5 6 5 4 140 7 6 5 6 5 4 5 4 4 150 6 5 4 5 4 4 4 4 3 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 It is recommended that you acclimatize to a new altitude by waiting at least three hours before making a dive 109 Before high altitude diving the instrument must be set to the Altitude Adjustment mode to adjust the calculations for the new altitude The maximum partial pressures of nitro gen allowed by
18. the mathematical model of the dive computer are reduced according to the lower ambient pressure As a result the allowed no decompression stop limits are considerably reduced 10 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 percent age value The CNS limits up to1 4 bar are based 1991 NOAA Diving Manual limits OTU monitoring is based on the long term daily tolerance level and the recovery rate is reduced for recreational scuba diving the recommended upper limit of 1 4 bar PO2 is used as a default the half time limit for the CNS recovery is 75 minutes maximum depth warning limit based on 1 4 bar PO2 is calculated and displayed If extra conservatism for the depth limits is required the PO2 can be adjusted to 1 2 or 1 3 bar Oxygen related information displayed by the dive computer is also designed to ensure that all warnings and displays occur at the appropriate phases of a dive For example the following information will be shown before and during a dive when the computer is set in mode 110 The selected O2 on the alternative display OLF alternative display for either CNS or OTU whichever is larger Audible alarms
19. the user If it is left on the surface during any dive the dive computer will give inaccurate information for sub sequent dives No dive computer can take into account dives made without the computer Thus any diving activity up to four days prior to initial use of the computer may cause misleading information and must be avoided 11 WARNING WARNING 12 THE DIVE COMPUTER WILL NOT ACCEPT FRACTIONAL 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 If there is a desire to adjust the computer to provide more conservative calculations use the personal adjust ment feature to affect decompression calculations or reduce the setting to affect oxygen exposure according to the entered 0 and values SET THE CORRECT ALTITUDE ADJUSTMENT MODE When diving at altitudes greater than 300 m 1000 ft the Altitude Adjust ment feature must be correctly selected in order for the computer to calculate the decompression status The dive computer is not intended for use at altitudes greater than 3000 m 10000 ft Failure to select the correct Altitude Adjustment setting or diving above the maximum altitude limit will result in erroneous dive and plan ning data WARNING WARNING WARNING SET THE CORRECT PERSONAL ADJUSTMENT MODE Whenever it
20. to altitude in a commercial jetliner altitude up to 2 400 m 8 000 ft Divers who plan to make daily multiple dives for several days or make dives that require decompression stops should take special precautions and wait for an ex tended interval beyond 12 hours before a flight Further the Undersea and Hyper baric Medical Society UHMS suggests divers using standard air cylinders and exhibiting no symptoms of decompression illness wait 24 hours after their last dive to fly in an aircraft with cabin pressure up to 2 400 m 8 000 ft The only two excep tions to this recommendation are Ifa diver has less than two 2 hours total accumulated dive time in the last 48 hours a 12 hour surface interval before flying is recommended 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 4 Memories and Data Transfer 1 MEMORY The memory options for this dive computer include the combined Logbook and Dive Profile Memory Dive History Memory and the Data Transfer and PC Interface functions The dive entry time and date is registered in the Logbook memory Always check before diving that the time and date are correctly set especially after travelling between dif ferent time zones 79 Figure 7 3 Memo
21. while making sure that the O ring is not at any point protruding out on the edge Put your other thumb through the locking ring Press this thumb firmly against the lid and release the other one Make sure that the lid is pressed completely down Turn the locking ring counterclockwise with your free thumb and fingers until it snaps into its locked position 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 99 18 A 100 the low battery warning is off the buzzer beeps and backlight works allthe settings are correct Reset if necessary Install the dive computer back into the console or boot and reassemble the strap The instrument is now ready for use Wrist model e Assembling into the boot First insert the longer strap in its hole in the front of the boot and then the dive computer into its cavity in the boot starting at the back end Then snap also the long strap end of the instrument into the boot Stretch the boot as needed Assemble the shorter part of the strap Use the spring bar tool or small screwdriver to compress the spring bars Make sure that the spring bars get fully seated so they will not come off their holes Console model Refit the dive computer in the console according the instructions of the console CAUTION Check after the first dives for possible moisture under the trans
22. E label if the dive was decompression stop dive Diver attention symbol if the dive was started while symbol was displayed downward pointing arrow if the ceiling was violated Oxygen percentage only in Nitrox mode maximum OLF during the dive only in Nitrox mode Figure 7 6 Logbook page II Main dive related data Page III dive number in the dive series average depth surface interval time before the dive 83 Figure 7 7 Logbook page III Surface interval time and average depth Page IV 84 dive number in the dive series the profile of the dive profile automatic scrolling during which logbook symbol blinks when the user has pressed the PLAN button for Bookmark blinking SLOW label when registered blinking ASC TIME label when the dive became a decompression dive GERE SUUNTO Figure 7 8 Logbook page IV Profile of a specific dive Press the SMART Select button once to change the scroll buttons to scroll the different dives forward and backward Press the SMART gt Select button again to change function of the scroll buttons back to scroll the different pages of the selected dive When searching the dives only the page 1 is shown The END text is displayed between the oldest and the most recent dive Ej NOTE 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 w
23. EQUIRED DECOMPRESSION STOPS ARE NOT RECOMMENDED YOU SHOULD ASCEND AND BEGIN DE COMPRESSION IMMEDIATELY WHEN THE DIVE COMPUTER SHOWS YOU THAT A DECOMPRESSION STOP IS REQUIRED Note the blinking ASC TIME symbol and the upward pointing ar row USE BACK UP INSTRUMENTS Ensure 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 the dive computer PERFORM PRE CHECKS Always activate and check the device before diving in order to ensure that all Liquid Crystal Display LCD segments are completely displayed the device has not run out of battery power and that the oxygen altitude personal and Safety Deep Stop are correct WARNING WARNING YOU ARE ADVISED TO AVOID FLYING ANY TIME THE COM 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 There can never be a flying after diving rule that is guaranteed to com pletely prevent decompression illness THE DIVE COMPUTER SHOULD NEVER BE TRADED OR SHARED BETWEEN USERS WHILE IT IS IN OPERATION Its information will not apply to someone who has not been wearing it throughout a dive or sequence of repetitive dives Its dive profiles must match that of
24. NCE INSPECTION The water resistance of the unit must be checked after replacing the battery or after other service operations The check requires special equipment and training You must frequently check the display for any sign of leaks If you find moisture inside your dive computer there is a leak 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 In the event of a leak immediately take the dive computer to an authorized SUUNTO dealer or distributor FAQs For more information on service please refer to FAQs on www suunto com 96 9 BATTERY REPLACEMENT Ej NOTE It is advisable to contact an authorized Suunto representative 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 N CAUTION When the battery is changed all nitrogen and oxygen uptake data is lost Therefore the no fly time shown by the computer should have reached zero or you must wait for 48 hours or preferably up to 100 hours before you dive again When working with the battery compartment cleanliness is extremely important Even the smallest dirt particles may cause a leakage when you dive 9 1 Battery kit The battery kit includes a 3 0 V coin type lithium c
25. O USER INTERFACE ne RH AA Ded 17 3 1 Navigating in the menus 2 70 2 7 2 7 17 3 2 Button symbols and functions 2 20 0222 2 18 GETTING STARTED PIRE NOn 21 4 1 SET MODES S SET laer a rro EE Hr eter betae ER e OE ues 25 4 1 1 Setting Time 2 SET TIME cesses 26 4 1 2 Setting Preferences 3 SET 4 29 4 2 AG water contacts rece taken a a ket te Er Ur EE RUP tae 31 BEFORE DIVING ceni urea Do MS 33 5 1 The Suurito RGBM niia Epp hes hs sameness I A SUR inde 33 5 2 Emergency ascents iina t Ane x Dep 34 5 3 Dive computer limitations 02 2 22 34 5 4 Audible and visual alarms csse 34 5 5 Error COMMONS fepe i eec ret detecte er en ep rcnt 38 5 6 DIVE mode Settings 25 einer ER Y Rn etd pia IR 39 5 6 1 Setting the personal altitude adjustments 1 MODE 40 5 6 2 Setting the dive time alarm 2 d 41 5 6 3 Setting the maximum depth alarm 3 MAXDPTH 41 5 6 4 Setting the nitrox values 4 42 5 7 Activation and pre checks
26. U HAVE NOT PERSONALLY VERIFIED ITS CONTENTS AND ENTERED THE ANALYZED VALUE INTO YOUR DIVE COMPUTER Failure to verify cylinder contents and enter the appropriate gas values where applicable into your dive computer will result in incorrect dive planning inform ation Diving with gas mixtures exposes you to risks that are different from those associated with diving with standard air These risks are not obvious and require training to understand and avoid Risks include possible serious injury or death WARNING WARNING WARNING WARNING Traveling to a higher elevation can temporarily cause a change in the equilibrium of dissolved nitrogen in the body It is recom mended that you acclimatize to the new altitude by waiting at least three hours before diving WHEN THE OXYGEN LIMIT FRACTION INDICATES THAT THE 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 Suunto also recommends that you receive training in Free diving techniques and physiology before conducting breath hold dives No dive computer can replace the need for proper dive training Insufficient or improper training may cause a diver to commit errors that may lead to serious injury or death Using the Suunto Dive Planner software is not a substitute for proper dive training Diving with mixed gas
27. VYPER USER S GUIDE en Arrows Maximum Depth Decompression Stop at the Cei Ceiling Depth on Decompression Mandatory Safety Stop Zone Mandatory Safety Stop Depth Ascent Recommended Average Depth on Logboo Must Descend Oxygen Partial Pressure AM PM Indicator Present Depth Dive Counter Safety Stop Warning Safety Stop Indicator Fast Ascent Warnin Logbook Symbol Fast A g Bar Graph Ascent Rate Indicator Battery Power Indicator Logbook Page Indicator Dive Attention Symbol Bar Graph Mode Indicator Consumed Botton Time Oxygen Limit Fraction Current Time Display Surface Interval Time No Flying Time No Decompression Time Total Ascent Time Safety Stop Time Do Not Fly Icon Oxygen Percentage in Nitrox Mode The Smart Button Activation Back DIVE TIME Mod ONS 7 Indicators for the Smart Button Altitude Adjustment Mode Personal Adjustment Mode Low Battery Warning Temperature Dive Time Week Day Time Mode Text Month Day Indicators for the Scroll Dive Planning Button Time alternative display Button Daily DiveTime Depth Buttons Scroll Button increase value ascend Scroll Button decrease value descend Alarm On Indicator WIND WELCOME TO THE WORLD OF SUUNTO DIVE COMPUTERS 7 WARNINGS CAUTIONS AND NOTES 2 8 gt SUUNT
28. between the floor and the ceiling within which a diver must stop for some time during ascent 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 A group of repetitive dives between which the dive computer indicates some nitrogen loading is present When nitrogen loading reaches zero the dive computer deactivates Elapsed time between leaving the surface to descend and returning to the surface at the end of a dive Abbreviation for equivalent air depth Abbreviation for enriched air nitrox Also called nitrox or Enriched Air EANx Air that has some oxygen ad ded Standard mixes EAN32 NOAA Nitrox NN and EAN36 NOAA Nitrox Il NN 11 Nitrogen partial pressure equivalent table The deepest depth during a decompression stop dive at which decom pression takes place After a change in ambient pressure the amount of time required for the partial pressure of nitrogen in a theoretical compartment to go half way from its previous value to saturation at the new ambient pressure Multi level dive Nitrox NOAA No decompression time No decompression dive NO DEC TIME EAN OLF OTU Oxygen tolerance unit Oxygen limit fraction 05 Oxygen partial pressure A single or repetitive dive that includes time spent at vario
29. bmode to the Surface mode long press e Activates the electroluminescent backlight in the Surface mode hold down the mode button for more than two 2 seconds during a dive for one 1 second PLAN arrow up button e Activates the timekeeping display if the display is blank Activates the Dive Planning in the Surface mode Makes a special bookmark in the profile memory during a dive Scrolls up the options A increases values TIME arrow down button Activates the timekeeping display if the display is blank 19 e Activates the Time display s and or alternative display s Scrolls down the options Wdecreases values The dive computer is controlled with the SMART MODE On Backlight Select OK Quit and the PLAN A and TIME V push buttons and with the water contacts as follows Activation Press the SMART On button or immerse the instrument in water for five 5 seconds Dive Planning In the Surface mode press the PLAN button Menu modes Press the SMART MODE button The display is illuminated by holding down the SMART button for more than two seconds 20 4 GETTING STARTED To get the most out of your Suunto Vyper use some time to personalize it and really make it YOUR computer Set the correct time and date the alarms and backlight settings The main menu based functions are grouped under 1 memory 2 dive simulation and 3 setting modes User options for the Vyper are selected by using the push
30. bove the PO depth limit NOTE When the backlight is turned OFF it does not illuminate when an alarm is activated WARNING WHEN THE OXYGEN LIMIT FRACTION INDICATES THAT THE 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 37 5 5 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 If you understand the dive computer and operate it sensibly it is very unlikely you will ever put the instrument into the Error mode Omitted decompression The Error mode results from omitted decompression for example when you stay above the ceiling for more than three minutes During this three minute period the Er warning is shown and the audible alarm beeps After this the dive computer enters a permanent Error mode The instrument will continue to function normally if you descend below the ceiling within this three minute period When the dive computer is in the permanent Error mode only the Er warning is shown in the center window The dive computer does not show times for ascent or stops However all the other displays func
31. but tons Pre Dive configuration and setup options include Choice of operating mode Air Nitrox Gauge Maximum depth alarm Dive time alarm Backlight settings Clock calendar daily alarm Mix Oxygen fraction 96 Nitrox mode only Maximum 2 Nitrox mode only Altitude adjustment Personal adjustment These options are introduced in more detail in Section 4 1 SET MODES 3 SET THE LIST OF THE MENU BASED MODES 1 2 MEMORIES AND DATA TRANSFER 1 MEMORY Logbook and Dive Profile Memory 1 LOGBOOK Dive History Memory 2 HISTORY Data Transfer and PC Interface 3 TR PC SIMULATION MODE 2 SIMUL Dive Simulator 1 SIMDIVE 21 Dive Planning Simulator 2 SIMPLAN 3 SEI MODES 3 SET Dive Parameter Settings 1 SETDIVE Altitude Adjustment and Personal Adjustment Settings 1 AdJ MODE Dive Time Alarm Setting 2 d ALARM Maximum Depth Alarm Setting 3 MAX DPTH Nitrox Oxygen Settings 4 NITROX Setting Time 2 SET TIME Adjusting Time 1 AdJ TIME Adjusting Date 2 AdJ DATE Adjusting Daily Alarm 3 T ALARM Setting Preferences 3 SET PREF Backlight Setting 1 LIGHT Dive Computer Model Setting 2 MODEL EZ NOTE The menu based modes cannot be activated until 5 minutes after the dive Memories and Data Transfer modes and Simulation Modes are introduced in Section 7 4 Memories and Data Transfer 1 MEMORY and Section 7 6 Simulation Mode SIMUL Dive parameter sett
32. cking both dissolved and free gas in divers Any dive whose decompression time limits are affected by residual nitro gen absorbed during previous dives The amount of excess nitrogen remaining in a diver after one or more dives Abbreviation for surface interval time Elapsed time between surfacing from a dive and beginning a descent for the subsequent repetitive dive Theoretical concept used to model bodily tissues for the construction of decompression tables or calculations Another form of oxygen toxicity which is caused by prolonged exposure to high oxygen partial pressures The most common symptoms irrita tion in the lungs a burning sensation in the chest coughing and reduction of the vital capacity Also called Pulmonary Oxygen Toxicity See also OTU TIME KEEPING AND STAND BY MODE Activate the timekeeping display SURFACE MODE 4 plan Time 8 Alternative Display s om 7 3 MODE OPTIONS DIVE MODE 12M Bookmark in DIVING MODE the profile memory Time amp Alternative Display s 1 MEMORY
33. d above the ceiling during a decompression stop a downward pointing arrow will appear and a continuous beeping starts 66 Figure 6 10 Decompression dive above ceiling Note downward pointing arrow Er warning and an audible alarm You should immediately within 3 minutes descend to or below ceiling In addition an Error warning Er reminds you that you have only three 3 minutes to correct the situation You must immediately descend to or below the ceiling If you continue to violate the decompression the dive computer will go into a permanent Error Mode In this mode the instrument can only be used as a depth gauge and timer You must not dive again for at least 48 hours refer to Section 5 5 Error conditions 6 2 Diving in NITROX mode This dive computer can be set for diving with standard air only Air mode or it can be set for diving with Enriched Air Nitrox Nitrox mode 67 6 2 1 Before diving 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 The dive computer adjusts its mathematical nitrogen and oxygen calcu lation models accordingly The dive computer will not accept fractional percentage values of oxygen concentration Do not round up fractional percentages For example 31 8 oxygen should be entered as 31 If you want to adjust the computer to p
34. e Table 5 5 Personal Adjustment settings the maximum depth during this dive in meters ft indicated as MAX the water temperature followed by C for Centigrade F for Fahrenheit in the lower left corner the elapsed dive time in minutes shown as DIVE TIME in the lower right corner the available no decompression time in minutes in the center window as NO DEC TIME and as a bar graph on the left side of the display 55 Figure 6 2 Diving display Present depth is 19 3 m 63 ft nodecompression stop time limit is 23 minutes in AO P1 mode Maximum depth during this dive was 19 8 m 65 ft elapsed dive time is 16 minutes The current time 10 20 10 20 am is shown for 5 seconds after pressing the TIME button Alternative displays by pressing the TIME button show the current time shown as TIME In Dive Mode the TIME display automatically changes back NOTE to DIVE TIME 6 1 2 Bookmark It is possible to make special marks in the profile memory during a dive These Bookmarks will be shown as a dive log symbol when scrolling the profi le memory on the computer display The Bookmarks will also be shown as annotations in the PC software Suunto Dive Manager To make a bookmark on the profile memory during a dive press the PLAN button 56 Figure 6 3 Diving display An annotation Bookmark is done in the profile memory during a dive by pressing the PLAN button Note the Logbook symbol 6 1 3 Consumed Bottom Time CBT
35. ell battery and a lubricated O ring When handling the battery do not make contact with both of the poles at the same time Do not touch the surfaces of the battery with your bare fingers 9 2 Required tools Aflat 1 5 mm screwdriver or a special tool for spring bars 5857 Soft cloth for cleaning Needlenose pliers or small screwdriver for turning securing ring 97 9 3 Replacing the battery The battery and the buzzer are located in the back of the instrument in a separate compartment To change the battery 1 98 Remove the computer from the console or boot Wrist model e Pull off the boot Remove it first from the front end with the longer part of the strap Disassemble the shorter part of the strap with a flat 1 5 mm screwdriver or a special tool for spring bars The longer part of the strap may stay on but re moving it may ease the work later on Console model Remove the dive computer from the console according the instructions of the console Thoroughly rinse and dry the computer Open the securing ring of the battery compartment lid by pushing it down and rotating it clockwise You may use a pointed nose pliers or a small screwdriver as an aid in the rotating Put the pliers ends into the holes of the securing ring or the screwdriver onto the side of the right tooth on the ring and turn the ring clockwise Be careful not to damage any of the parts Remove the ring Carefully remove the lid
36. ely descend to or below the ceiling The instrument will otherwise enter a perman ent Error mode within three minutes indicated by a permanent Er 35 Table 5 2 Preset alarm types Alarm type Alarm reason Continuous beep series for 24 seconds or until any button is pressed Maximum depth blinks as long as the current depth value exceeds the preset value Preset maximum depth has been exceeded Continuous beep series for 24 seconds or until any button is pressed Dive time blinks for one minute if no button is pressed Preset dive time has been ex ceeded Continuous beep series for 24 seconds or until any button is pressed Current time blinks for one minute if no button is pressed Preset alarm time is reached 36 Table 5 3 Oxygen alarms NITROX mode Alarm type Alarm reason Three double beeps and the backlight for five 5 seconds The OLF bar graph reaches 8096 The segments ex ceeding the 80 limit start to blink The OLF bar graph reaches 100 The OLF value will blink The blinking of the segments exceeding 80 will stop when the OLF is not loading anymore At that point the PO2 is less than 0 5 bar Continuous beeps for three 3 minutes and activated back light for five 5 seconds Set oxygen partial pressure limit is exceeded The al ternative display is replaced with a current blinking value You should immediately ascend a
37. enter the Dive Computer Model Setting mode select MODE 3 SET 3 SET PREF 3 MODEL 30 Al GAUG Figure 4 9 Setting Dive Computer model 4 2 AC water contacts The water contacts control the automatic activation of the Dive Mode The water and data transfer contacts are located on bottom of the case When sub merged the water contacts are connected to the push buttons which are the other pole of the water contact by the conductivity of the water The AC text will appear on display The AC text will be shown until the water contact deactivates or the dive computer enters the Dive Mode automatically 31 Figure 4 10 Depth sensor water data transfer contacts B 32 5 Do not attempt to use the dive computer without reading this user s guide in its entirety including all the warnings Make sure that you fully understand the use displays and limitations of the instrument If you have any questions about the manual or the dive computer contact your SUUNTO dealer before diving with the dive computer Always remember that YOU ARE RESPONSIBLE FOR YOUR OWN SAFETY When used properly Suunto Vyper is an outstanding tool for assisting properly trained certified divers in planning and executing Itis NOT ASUBSTITUTE FOR CERTIFIED SCUBA INSTRUCTION including training in the principles of decompression Do not attempt to dive with any gas mix other than standard air without first receiving cer
38. epth of the ceiling and floor depends on your dive profile The ceiling depth will be fairly shallow when you enter the decompression mode but if you remain at depth it will move downward and the ascent time will increase Likewise the floor and ceiling may change upwards while you are decompressing When conditions are rough it may be difficult to maintain a constant depth near the surface 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 ceiling is shallower NOTE It will take more time and more air to decompress below the ceiling than at the ceiling WARNING NEVER ASCEND ABOVE THE CEILING You must not ascend 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 You should start your ascent immediately The ceiling depth is shown on the right top corner and the minimum total ascent time on the right side of the center win dow 63 Figure 6 7 Decompression dive below floor Upward pointing arrow blinking ASC TIME label and an audible alarm tell you to ascend Minimum total ascent time including safety stop is 7 minutes Ceiling is at 3 m 10
39. es 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 15 WARNING WARNING NOTE Always use realistic SAC rates and conservative turn pressures during dive planning Overly optimistic or erroneous gas planning can result in the exhaustion of breathing gas during decompres sion or in a cave or a wreck ENSURE THE WATER RESISTANCE OF THE DEVICE Moisture inside the device or battery compartment will seriously damage the unit Only an authorized SUUNTO dealer or distributor should do service activities It is not possible to change between AIR NITROX and GAUGE modes before the instrument has counted down the no fly time There is one exception to this You can change from AIR to NI TROX mode even during the no fly time In GAUGE mode the no fly time is always 48 hours 3 SUUNTO USER INTERFACE 3 1 Navigating in the menus Suunto Vyper multipurpose dive computer features three dive computer modes AIR NITROX GAUGE three main operating modes TIME STAND BY SURFACE DIVING three menu based main modes MEMORY SIMULATION SET and 15 17 menu based submodes You can scroll through the modes using the push buttons The mode indicator at the left side and the mode text at the bottom of the display in dicate the selected mode The timekeeping display is the primary display
40. esired surface intervals for dive simulations Add the desired surface interval increment to present surface interval by pressing the arrow down TIME and arrow up PLAN buttons To enter the Dive Planning Simulator mode select MODE 2 SIMUL 2 SIMPLAN Oo SUUNTO Figure 7 13 Dive Planning Simulator mode 2 SIMPLAN Add desired surface interval increment to present shown surface interval by pressing TIME and PLAN buttons This display is only shown for repetitive dives Ej NOTE This display is only shown for repetitive dives 92 NOTE Dive Planning Simulator mode is disabled in Gauge mode and in Error mode 93 8 CARE AND MAINTENANCE OF MY SUUNTO DIVING COM PUTER The SUUNTO dive computer is a sophisticated precision instrument Although it is designed to withstand the rigors of scuba diving you must treat it with the same proper care and caution as any other precision instrument WARNING The built in depth sensor is a sophisticated precision component Keep the area around the depth sensor clear from dirt sand dust or other substances Rinse the device thoroughly with fresh water and dry it with a soft towel Never use pins needles or other ob jects to clean the depth sensor WATER CONTACTS AND PUSH BUTTONS Contamination or dirt on the water contacts connector or push buttons may prevent the automatic activation of the Dive Mode and cause problems during the data transfer Therefore it is importa
41. f commercial or professional diving may expose the diver to depths and condi tions that tend to increase the risk of decompression illness 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 EQUIPMENT SHOULD USE A DIVE COMPUTER No dive computer can replace the need for proper dive training Insufficient or improper training may cause a diver to commit errors that may lead to serious injury or death THERE IS ALWAYS A RISK OF DECOMPRESSION ILLNESS FOR ANY DIVE PROFILE EVEN IF YOU FOLLOW THE DIVE PLAN PRESCRIBED BY DIVE TABLES OR A DIVE COMPUTER NO PROCEDURE DIVE COMPUTER OR DIVE TABLE WILL PREVENT THE POSSIBILITY OF DCI OR OXYGEN TOXICITY An individual s physiological make up can vary from day to day The dive computer cannot account for these variations You are strongly advised to remain well within the exposure limits provided by the instrument to minimize the risk of DCI As an added measure of safety you should consult a physician regarding your fitness before diving WARNING WARNING WARNING WARNING SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS LIMIT THEIR MAXIMUM DEPTH TO 40 M 130 FT OR TO THE DEPTH CALCULATED BY THE COMPUTER BASED ON THE SELECTED O5 6 AND A MAXIMUM OF 1 4 BAR Exposure to greater depths increases the risk of oxygen toxicity and decom pression illness DIVES WITH R
42. ft Display above the floor When you ascend above the floor the ASC TIME sign stops blinking and the upward pointing arrow disappears Below is an example of a decompression dive above the floor 64 Figure 6 8 Decompression dive above the floor The upward pointing arrow has disappeared and the ASC TIME label has stopped blinking which means that 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 icon Below is an example of a decompression dive at the ceiling zone 65 Figure 6 9 Decompression dive at ceiling zone Two arrows point at each other hour glass You are in the optimum ceiling zone at 3 5 m 11 ft and your minimum ascent time is 5 minutes Pressing TIME button activates alternative display 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 You are advised however to stay until the STOP sign has also disappeared This indicates that the three 3 minute Recommended Safety Stop has also been completed Display above the ceiling If you ascen
43. ft per minute continuously for more than five 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 The STOP sign is shown in the display and when you reach the depth zone between 6 mand m 20 ft and 10 ft the CEILING label ceiling depth and the calculated Safety Stop time also appear in the display Wait until the Mandatory Safety Stop warning disappears The Mandatory Safety Stop time always includes the three minute Recom mended Safety Stop time The total length of the Mandatory Safety Stop time depends on the seriousness of the ascent rate violation Figure 5 9 A Mandatory Safety Stop You are advised to make a Mandatory Safety Stop in the depth zone between 6 m and 3 m 20 ft and 10 ft Press the TIME button to view the alternative display 52 You must not ascend shallower than 3 m 10 ft with the Mandatory Safety Stop warning on If you ascend above the Mandatory Safety Stop ceiling a downward pointing arrow will appear and a continuous beeping starts You should immediately descend to or below the Mandatory Safety Stop ceiling depth If you correct this situation at any time during the dive there are no effects on the decompression calculations for future dives If you continue to violate
44. he factory but you are able to adjust it ac cording your personal preference or switch it off The depth range can be set from 3 0 m to 100 m 9 ft to 328 ft 41 To enter the Maximum Depth Alarm Setting select MODE 3 SET 1 SET DIVE 3 MAXDPTH Figure 5 3 Setting Maximum Depth Alarm Press scroll buttons to change alarm on off and to set maximum depth value 5 6 4 Setting the nitrox values 4 NITROX 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 In addition the oxygen partial pressure limit must be set When in the NITROX setting mode the maximum operating depth MOD based on the chosen setting will also be displayed To enter the Nitrox Oxygen Setting mode select MODE 3 SET 1 SET DIVE 4 NI TROX The default oxygen percentage setting is 21 air and oxygen partial pressure PO setting 1 4 bar 42 Figure 5 4 Setting Oxygen Percentage and Partial Pressure equivalent maximum depth is displayed as 32 8 m 107 ft Press scroll buttons to change oxygen percentage and to set oxygen partial setting value 5 7 Activation and pre checks This section describes how to activate the DIVE mode and explains the pre checks that it is highly recommended you perform before you get into the water 5 7 1 Accessing DIVE mode The Suunto Vyper has three diving modes AIR mode for d
45. he terms and conditions of this Limited Warranty This Limited Warranty is only valid and enforceable in the country of purchase unless local law stipulates otherwise Warranty Period The Limited Warranty Period starts at the date of original retail purchase The Warranty Period is two 2 years for display devices The Warranty Period is one 1 year for accessories and consumable parts including but not limited to chargeable batteries chargers docking stations straps cables and hoses Exclusions and Limitations This Limited Warranty does not cover 1 normal wear and tear b defects caused by rough handling or c defects or damage caused by misuse contrary to intended or recommended use 2 user manuals or any third party items 3 defects or alleged defects caused by the use with any product accessory software and or service not manufactured or supplied by Suunto 4 replaceable batteries This Limited Warranty is not enforceable if item 1 has been opened beyond intended use 2 hasbeenrepaired using unauthorized spare parts modified or repaired by unau thorized Service Center 114 3 serial number has been removed altered or made illegible in any way as determ ined at the sole discretion of Suunto 4 has been exposed to chemicals including but not limited to mosquito repellents Suunto does not warrant that the operation of the Product will be uninterrupted or error free or that the Product will work in
46. he time needed to reach the surface after the ceiling and Safety Stops have been completed WARNING YOUR ACTUAL ASCENT TIME MAY BE LONGER THAN DIS PLAYED BY THE INSTRUMENT The ascent time will increase if you remain at depth ascend slower than 10 m 33 ft per minute or make your decompression stop deeper than at the ceiling These factors will also increase the amount of air required to reach the surface 61 Ceiling ceiling zone floor decompression range When in decompression it is important that you understand the meaning of ceiling floor and decompression range The ceiling is the shallowest depth to which you should ascend when in decom pression At this depth or below you must perform all stops Theceiling zone is the optimum decompression stop zone It is the zone between the minimum ceiling and 1 4m 6 ft below the minimum ceiling The floor is the deepest depth at which the decompression stop time will not in crease Decompression will start when you pass this depth during your ascent The decompression range is the depth range between the ceiling and floor Within this range decompression takes place However it is important to remember that the decompression will be very slow at or close to the floor v CEILING v 3m 10ft A 6m 18ft A FLOOR Figure 6 6 Ceiling and Floor zone Recommended and Mandatory Safety Stop zone between 6 m and 3 m 20 ft and 10 ft 62 The d
47. hen the battery is changed providing that the battery has been replaced according to the instructions Ej NOTE Several repetitive dives are considered to belong to the same repetitive dive series if the no fly time has not ended See Sec tion 7 2 Dive numbering for further information 85 Dive Profile memory PROF The scrolling of the profile will start automatically when the Logbook page IV PROF is entered With the default setting the dive profile is recorded and displayed in 20 second increments with each display being shown for about three seconds The depths shown are the maximum values of each interval Pressing any button stops the scrolling of the profile 7 4 2 Dive history Memory 2 HISTORY The dive history is a summary of all the dives recorded by the dive computer To enter the Dive History Memory mode select MODE 1 MEMORY 2 HISTORY Figure 7 9 Dive History Memory Mode 2 HISTORY 86 The following information will be shown on the display Figure 7 10 Dive History information Total number of dives dive hours and maximum depth The Dive History Memory can hold a maximum of 999 dives and 999 diving hours When these maximum values are reached the counters will start again from zero NOTE The maximum depth can be reset to 0 0 m 0 ft using the PC Inter face unit and the downloadable Suunto Dive Manager software 87 7 4 3 Data Transfer PC Interface 3 TR PC The Suunto DM4 w
48. ility to 1 which you 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 There is available a three step Personal Adjustment setting if a more conservative dive plan is desired and a two step adjustment for RGBM effect on repetitive dives for very experienced divers 48 The personal factors which tend to increase the possibility of DCI include but are not limited to cold exposure water temperature less than 20 C 68 F below average physical fitness level fatigue e 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 5 Personal Adjustment settings ideal conditions retain the default setting PO If conditions are more difficult or any of the factors which tend to increase the possibility of DCI exist select P1 or even the most conservative P2 The dive computer then adjusts its mathematical model according to the entered Personal Ad justment setting giving shorter no decompression times 49 Table 5 5 Personal Adjustment settings Personal ad Condition Desired tables justment bol on value Dis play PO Ideal conditions Default 1 3
49. ings are introduced in Section 5 6 DIVE mode settings 22 THE USE OF THE MENU BASED FUNCTIONS 1 Activate the menu based modes by pressing once the SMART MODE button in the Dive Mode Figure 4 1 Main menu based Mode options 3 MODE 2 Scroll the mode options by pressing the arrow up down buttons When scrolling the options the label and an equivalent number are shown on the display 23 24 Figure 4 2 Scroll the mode options by pressing the arrow up down buttons Press the SMART Select button once to select the desired option Scroll the submode options by pressing the arrow up down buttons When scrolling the options the label and an equivalent number are shown on the display Select the desired option by pressing once the SMART Select button Repeat the procedure if there are more submodes Depending on the mode you are now able to have a look at the memories simu late a dive or make desired settings use the the arrow up down buttons The SMART button is used to Quit or to confirm the settings OK NOTE If you do not press any of the buttons for 5 minutes while in a Menu based mode the instrument beeps and returns to the timekeeping display In the Simulation Mode however the equivalent time is 60 minutes pressing the SMART button for more than 1 second any menu based function or submode can be quit and the dive computer will return directly to the Dive Mode 4 1 SET MODES 3 SET
50. ith Movescount DM4 is an optional software that greatly enhances the functionality of your Suunto Vyper With the DM4 software you can download dive data from your dive computer to your laptop After that you can view and organize all the data recorded with your Suunto 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 5 Movescount You can always download the latest version of the DM4 from http Avww suunto com Please check for updates regularly as new features are constantly being developed The following data is transferred from your dive computer to your laptop optional cable required depth profile of the dive dive time preceding surface interval time dive number dive start time year month day and time dive computer settings oxygen percentage settings and maximum OLF in the mode tissue calculation data additional dive information for example SLOW and Mandatory Safety Stop viola tions Diver Attention Symbol Bookmark Surfaced Mark Decompression Stop Mark and Ceiling Error Mark dive computer serial number personal information 30 characters By using the DM4 you are able to enter setup options such as inputa personal 30 character field into the Suunto instrument 88 resetthe Scuba History s maximum depth to zero manually add comments multimedia and other per
51. ive computer To understand the use displays and limitations of the instrument before using it please read this user s guide carefully and save it for further reference Note also that a glossary is included at the back of the user s guide to help you understand dive specific terminology 2 WARNINGS CAUTIONS AND NOTES Throughout this user s guide important safety icons are displayed Three classifications are used to separate these icons by their order of importance WARNING Z CAUTION NOTE is used in connection with a procedure or situation that may result in serious injury or death is used in connection with a procedure or situation that will result in damage to the device is used to emphasize important information 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 and must not be ignored WARNING WARNING YOU MUST READ the leaflet and user guide for your dive com puter Failure to do so may lead to improper use serious injury or death ALLERGIC REACTIONS OR SKIN IRRITATIONS MAY OCCUR WHEN PRODUCT IS IN CONTACT WITH SKIN EVEN THOUGH OUR PRODUCTS COMPLY WITH INDUSTRY STANDARDS IN SUCH EVENT STOP USE IMMEDIATELY AND CONSULT A DOCTOR WARNING WARNING WARNING NOT FOR PROFESSIONAL USE Suunto dive computers are intended for recreational use only The demands o
52. ive deeper than the previous dive Adapting to rapid ascents which produce high microbubble silent bubble build up Incorporating consistency with real physical laws for gas kinetics 105 10 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 The pattern and speed of decompression at the surface is adjusted according to mi crobubble influence On repetitive dives adjustment may also be applied to the maximum allowable nitrogen overpressure in each theoretical tissue group Depending on the circumstances Suunto RGBM will adapt the decompression oblig ations by doing any or all of the following e Reducing No decompression Stop dive times e Adding Mandatory Safety Stops Increasing Decompression Stop times Advising an extended surface interval Diver Attention symbol Diver Attention Symbol Advice to Extend Surface Interval Some patterns of diving cumulatively add a higher risk of DCI for example dives with short surface intervals repetitive dives deeper than earlier ones multiple ascents and substantial multiday diving When this is detected in addition to adapting the de compression algorithm the Suunto RGBM model will in some circumstances also advise with the Diver Attention Symbol that you extend y
53. iving with standard air only NITROX mode for diving with oxygen enriched mixtures and GAUGE mode for use as a bottom timer 43 5 7 2 DIVE mode activation The dive computer activates automatically when submerged deeper than 0 5 m 1 5 ft However it is necessary to activate the DIVE mode BEFORE diving to check the altitude and personal adjustment settings battery condition oxygen settings and so on Press the SMART On button to activate the instrument Figure 5 5 Startup All segments shown After activation all display elements will turn on showing mostly figure 8 s and graph ical elements A few seconds later the battery power indicator is shown and the backlight and the buzzer are activated If set to Air mode the screen will enter the Surface mode If set to Gauge mode the text GAUGE is shown and if set to Nitrox mode the essential oxygen parameters are shown with the text NITROX before the Surface mode 44 Figure 5 6 Startup Battery power indicator At this time perform your pre checks and ensure that the instrument operates in the correct mode and provides a complete display AIR NITROX GAUGE mode the low battery indicator is not on 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 O ft the buzzer beeps And if set to NITROX mode ensure
54. minutes has elapsed after the dive 39 5 6 1 Setting the personal altitude adjustments 1 AdJ MODE The current Altitude and Personal Adjustment settings are displayed in the startup Screen when diving at the surface If the mode does not match the altitude or personal conditions refer to Section 5 7 4 Diving at altitude and Section 5 7 5 Personal adjust ments it is imperative that you enter the correct selection before diving Use Altitude Adjustment to select the correct altitude and use Personal Adjustment to add an extra level of conservatism To enter the Altitude Adjustment and Personal Adjustment Setting mode select MODE 3 SET 1 SET DIVE 1 AdJ MODE Now you are able to select from the three altitude modes and the three personal modes Figure 5 1 Setting Altitude adjustment and Personal adjustment Press the scroll buttons to change the altitude mode 40 5 6 2 Setting the dive time alarm 2 d ALARM The Dive Time Alarm setting 2 d ALARM can be activated and used for several pur poses to add to your diving safety To enter the Dive Time Alarm Setting mode select MODE 3 SET 1 SET DIVE 2 d ALARM Figure 5 2 Setting Dive Time Alarm Press scroll buttons to change alarm on off and to set dive time value NOTE With a range of 1 999 minutes the alarm can be set to your planned bottom time for example 5 6 3 Setting the maximum depth alarm 3 MAXDPTH The depth alarm is set to 40 m 131 ft at t
55. ns in which the unit is operated and stored for example temperat ure cold conditions Below 10 C 50 F the expected battery lifetime is about 50 75 of that at 20 C 68 F The use of the backlight and audible alarms The quality of the battery Some lithium batteries may exhaust unexpectedly which cannot be tested in advance The time the dive computer has been stored until it gets to the customer The battery is installed in the unit at the factory 104 NOTE Low temperature or an internal oxidation of the battery activ ate the battery warning even though the battery has enough ca pacity In this case the warning usually disappears when the DIVE mode is activated again 10 2 The Suunto Reduced Gradient Bubble Model RGBM is a modern algorithm for pre dicting both dissolved and free gas in the tissues and blood of divers 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 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 Computing closely spaced repetitive diving Reacting to a d
56. nt that the water contacts and push buttons are kept clean If the water contacts are active AC text remains on display or the Dive Mode activates on its own the reason for this is probably contamination or invisible marine growth which may create an electric current between the contacts It is important that the dive computer is carefully washed in fresh water after the day s diving is completed The contacts can be cleaned with fresh water and if necessary a mild detergent and a soft brush Sometimes it might be necessary to remove the instrument from the protective boot for cleaning CARE OF YOUR DIVE COMPUTER NEVER try to open the case of the dive computer 94 Have your dive computer serviced every two years or after 200 dives whichever comes first by an authorized dealer or distributor This service will include a general operational check replacement of the battery and water resistance check 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 Should moisture appear inside the case immediately have the instrument checked by your 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 eve
57. of the instrument In other modes except in the Diving or Simulator modes if no button is operated within 5 minutes the dive computer beeps and returns to the timekeeping display automatically The timekeeping display shuts off after two hours but pressing the PLAN or TIME button activates it When diving the dive entry time and date is registered in the Logbook Memory Re member always to check before diving that the time and date are correctly set espe cially when traveling to different time zones 17 A Figure 3 1 Time keeping display Press the PLAN or TIME button to activate the display 3 2 Button symbols and functions The list 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 The dive computer has easy to use push buttons and an advising display which guides the user The SMART button is the key of the system The two scroll buttons PLAN and TIME are used for scrolling up and down the menus and to get the altern ative displays visible The dive computer is controlled with these three push buttons as follows 18 The PLAN TIME and F SCROLL buttons Figure 3 2 Push buttons of the dive computer SMART MODE button Activates the dive computer Switches from the Surface mode to menu based modes Selects confirms or quits a submode short press Immediately exits any su
58. our surface interval 106 10 2 2 No decompression limits for air The no decompression limits displayed by the dive computer for the first dive to a single depth see Table 10 1 No decompression time limits for various depths m and Table 10 2 No decompression time limits for various depths ft are slightly more conservative than those permitted by the U S Navy tables 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 m PO AO 1 PO A2 1 0 P1 A1 P1 A2 2 0 P2 A1 P2 A2 9 163 130 163 130 96 130 96 75 12 124 89 67 89 67 54 67 54 45 15 72 57 43 57 43 35 43 35 29 18 52 39 30 39 30 25 30 25 21 21 37 29 23 29 23 20 23 20 15 24 29 24 19 24 19 16 19 16 12 27 23 18 15 18 15 12 15 12 9 30 18 14 12 14 12 9 12 9 7 33 13 11 9 11 9 8 9 8 6 107 No decompression time limits mins for various depths m for the first dive of a series Depth Personal Mode Altitude Mode m PO AO PO A1 2 P1 AO P1 A1 P1 A2 2 0 2 1 P2 A2 36 11 9 8 9 8 6 8 6 5 39 9 8 6 7 6 5 6 5 4 42 7 6 5 6 5 4 5 4 4 45 6 5 5 5 5 4 5 4 3 Table 10 2 No decompression time limits for various depths ft No decompression time limits
59. rovide more conservative calculations use the personal adjustment feature to affect decom pression calculations or reduce the setting to affect oxygen exposure according to the entered O2 and values Calculations based on nitrox use result in longer no decompression times and shallower maximum depths than diving with air When the dive computer is set in NITROX mode the Dive Planning mode calculates using the O2 and PO values that are currently in the computer Default nitrox settings In the NITROX mode the default setting is standard air 21 It remains in this setting until the O2 is adjusted to any other percentage of oxygen 22 50 default setting for maximum oxygen partial pressure is 1 4 bar however you are able to set it in the range of 1 2 1 6 bar If unused the computer will retain the manually entered value for the selected oxygen percentage for about two hours after which it will revert to the default setting of 21 Oo 68 6 2 2 Oxygen displays When the NITROX mode is activated the display will show the information in the figure below In the NITROX mode the maximum operational depth is calculated based on set O2 and PO values If setto the NITROX mode the Suunto will additionally show on the alternative display the oxygen percentage labeled O2 the set oxygen partial pressure limit labeled PO the current oxygen toxicity exposure labeled OLF maximum depthallowed
60. rrent time are shown in the alternative display SUUNTO Figure 6 15 The Gauge mode The present depth maximum depth dive time remaining air time and ascent rate indicator are displayed during the dive This mode can also be used for other purposes like snorkeling free diving depth measurements and so on Ej NOTE The mode does not provide decompression information 73 NOTE If you dive with the GAUGE mode it is not possible to change between the modes before the no fly time has counted down 74 7 AFTER DIVING Once back at the surface Suunto Vyper continues to provide post dive safety inform ation and alarms Calculations to enable repetitive dive planning also help to maximize diver safety Table 7 1 Alarms Symbol on display Indication A Diver Attention Symbol Extend Surface Interval Violated Decompression Ceiling or Too Long Bottom Time Do Not Fly Symbol 7 1 Surface interval An ascent to any depth shallower than 1 2 m 4 ft will cause the DIVE display to be replaced by the SURFACE display 75 Figure 7 1 Surface display You have surfaced from a 18 minute dive which maximum depth was 20 0 m 66 ft The present depth is 0 0 m O ft The Airplane symbol indicates that you should not fly and diver attention symbol indicates that you should prolong your surface interval time maximum depth of last dive in meters feet dive time of la
61. ry options 3 MEMORY 7 4 1 Logbook and Dive Profile Memory 1 LOGBOOK The Suunto Vyper 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 To enter the Logbook Memory Mode select MODE 1 MEMORY 1 LOGBOOK For each dive there are four pages of logbook dive information Use the scroll buttons to scroll the display between Logbook pages Il IV The data of the most recent dive is shown first The END text is displayed between the oldest and most recent dive The following information will be shown on three pages 80 Figure 7 4 Logbook end of the memory END text is displayed between oldest and the most recent dive Page main display date of dive dive start time dive number 81 Figure 7 5 Logbook page Scroll different pages of specific dive Page II maximum depth NOTE Due to lower resolution the reading may differ from the max imum depth reading of the Dive History up to 0 3 m 1 ft total dive time dive number in the dive series temperature at the maximum depth Altitude Adjustment setting not displayed in Gauge mode e Personal Adjustment setting not displayed in Gauge mode SLOW label if the diver has violated the maximum ascent rate STOP label if the Mandatory Safety Stop was violated e ASC TIM
62. ry use Protect the unit from shock extreme heat direct sunlight and chemical attack The dive computer cannot withstand the impact of heavy objects like scuba cylinders nor chemicals like gasoline cleaning solvents aerosol sprays adhes ive agents paint acetone alcohol and so on Chemical reactions with such agents will damage the seals case and finish Store your dive computer in a dry place when you are not using it The dive computer will display a battery symbol as a warning when the power gets too low When this happens the instrument should not be used until the battery has been replaced Do not fasten the strap of your dive computer too tightly You should be able to insert your finger between the strap and your wrist Shorten the strap by cutting it if you do not expect to need the extra length 95 instrument should be soaked thoroughly rinsed with fresh water then dried with a soft towel after each dive 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 au thorized Suunto dealer for battery replacement or other service CAUTION Do not use compressed air to blow water off the unit Do not use solvents or other cleaning fluids that might cause damage Do not test or use the dive computer in pressurized air WATER RESISTA
63. scent time ASC TIME Ceiling Ceiling zone Central nervous system toxicity CNS 5 Compartment DAN DCI Decompression 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 The minimum amount of time needed to reach the surface on a decom pression stop dive Abbreviation for ascent time On a decompression stop dive the shallowest depth to which a diver may ascend based on computed nitrogen load On a decompression stop dive the zone between the ceiling and the ceiling plus 1 8 m 6 ft This depth range is displayed with two arrows pointing toward each other the hour glass icon Toxicity caused by oxygen Can cause a variety of neurological symptoms The most important of which is an epileptic like convulsion which can cause a diver to drown Abbreviation for central nervous system toxicity Central nervous system toxicity limit fraction Also note Oxygen Limit Fraction See Tissue group Abbreviation for Divers Alert Network Abbreviation for decompression illness Time spent at a decompression stop or range before surfacing to allow absorbed nitrogen to escape naturally from tissues 117 Decompression range Decompression illness Dive series Dive time EAD EAN Enriched air nitrox Equivalent air depth Floor Half time 118 On a decompression stop dive the depth range
64. sk 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 6 1 5 Decompression dives When your NO DEC TIME becomes zero your dive changes into a decompression dive Therefore you must perform one or more decompression stops on your way to the surface The NO DEC TIME on your display will be replaced by an ASC TIME and a CEILING notation will appear An upward pointing arrow will also prompt you to start your ascent Figure 6 5 Decompression dive 60 If you exceed the no decompression limits a dive the dive computer will provide the decompression information required for ascent After this the instrument will continue to provide subsequent interval and repetitive dive information Rather than requiring you to make stops at fixed depths the dive computer lets you decompress within a range of depths continuous decompression The ascent time ASC TIME is the minimum amount of time needed to reach the surface in a decompression dive It includes the three 3 minute Recommended Safety Stop thetime 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 the time needed at the Mandatory Safety Stop if any t
65. sonal information to the PC based dive data files change the sample rate for profile records logbook from the default 20 second in terval to 10 30 or 60 seconds To enter the Data Transfer mode select MODE 1 MEMORY 3 TR PC NOTE While in the Data Transfer mode the connector water contacts are used only for the data transfer The Dive Mode IS NOT auto matically activated if the contacts are submerged After you have finished the data transfer press the SMART Quit to exit Data Transfer mode If a button is not pressed or no data is transferred within 5 minutes the instru ment beeps and returns to the timekeeping display automatically 7 5 Movescount Movescount is an online sports community that offers you a rich set of tools to manage all you sports and create engaging stories about your diving experiences Movescount offers you new ways to get inspired and share your best dives with other community members To connect to Movescount 1 Goto www movescount com 2 Register and create your free Movescount account 3 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 89 To transfer data 1 Connect your dive computer to your laptop 2 Download your dives to the DM4 on your laptop 3 Follow the instructions on the DM4 on how to transfer your dives to your Movescount com account 7 6 Simulation Mode SIMUL
66. st dive in minutes shown as DIVE TIME present depth in meters feet no flying warning indicated by an airplane icon Altitude Adjustment setting Personal Adjustment setting Diver attention symbol indicates if you should prolong your surface interval time STOP label for 5 min if the Mandatory Safety Stop was violated Er if the decompression ceiling was violated 7 Error Mode the current temperature in 76 Figure 7 2 Surface interval the surface time and no flying time displays Pressing the TIME button once the surface time display is shown and by pressing the TIME button twice the no flying time display is shown indicated by the airplane symbol Or when the TIME button is pressed once or twice the current time shown as TIME the surface time in hours and minutes separated by a colon telling the duration of the present surface interval the desaturation no flying time in hours and minutes is shown next to the airplane in the center window of the display If set to NITROX mode the following information will also be shown the oxygen percentage labeled O2 the current oxygen toxicity exposure labeled OLF 77 7 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 The first dive of the series will be numbered as DIVE 1 the second
67. t 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 5 4 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 The visual information on the dive computer display is shown during the alarm breaks in order to save battery 34 Table 5 1 Audible and visual alarm types Alarm type Alarm reason Short single beep Dive computer is activated Dive computer automatically returns to the TIME mode Three single beeps with a two second interval and activated backlight for five 5 seconds No decompression dive turns into a decompression Stop dive An arrow pointing upwards and the blinking ascent warning ASC TIME appears Continuous beeps and activ ated backlight for five 5 seconds Maximum allowed ascent rate 10 m per min 33 ft per min is exceeded A SLOW and STOP warnings ap pears The Mandatory Safety Stop ceiling is exceeded A downward pointing arrow appears Decompression ceiling depth is exceeded An error warning Er and a downward pointing arrow appear You should immediat
68. that the oxygen percentage is adjusted according to the measured enriched air blend in your cylinder the oxygen partial pressure limit is set correctly The dive computer is now ready for diving 45 NOTE The surface interval time is not shown before the first dive After activation of the Dive mode or after the dive has ended the instrument will automatically switch to show the time keeping display within 5 minutes to conserve the battery power unless you press any buttons or start a dive 5 7 3 Battery power indication This dive computer has a unique graphic Battery Power Indicator designed to give you an advance notice of impending need to change the battery The Battery Power Indicator can always be seen when the Dive mode is activated The electroluminescent backlight will be on during the battery check The following Table and Figure show the various warning levels Temperature or internal oxidation of the battery affect the battery voltage If the instru ment 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 In these cases re enter DIVE mode to receive the battery power indication After the battery check the low battery warning is indicated by the battery symbol 46 Figure 5 7 Low Battery Warning Battery symbol indicates that the battery is low and battery replacement is recommended If the battery symbol is displa
69. the Mandatory Safety Stop the tissue calculation model is affected and the dive computer shortens the available no decompression time for your next dive In this situation it is recommended that you prolong your surface interval time before your next dive 53 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 AIR mode This section contains information on diving with standard air To activate the DIVE Air mode please refer to Section 5 7 1 Accessing DIVE mode Figure 6 1 The dive has just began 54 NOTE The dive computer will remain the SURFACE mode at depths less than 1 2 m 4 ft At depths greater than 1 2 m 4 ft the instru ment will go into the DIVE mode automatically However it is re commended that you activate the SURFACE mode manually before entering the water in order to perform the necessary dive pre checks 6 1 1 Basic dive data During a No decompression dive the following information is displayed your present depth in meters feet the Altitude Adjustment setting on the left side of the center window with a wave and mountain symbols 0 A1 or A2 see Table 5 4 Altitude Adjustment settings the Personal Adjustment setting on the left side of the center window with a diver symbol and signs PO P1 or P2 se
70. tified training in this specialty 5 1 The Suunto RGBM Suunto s Reduced Gradient Bubble Model RGBM utilized in the Suunto Vyper predicts both dissolved and free gas in the blood and tissues of divers 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 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 The combination of stop types depends on the user settings and the specific dive situation To get the most from the RGBM safety benefits refer to Section 10 2 RGBM 33 5 2 Emergency ascents In the unlikely event that the dive computer malfunctions during a dive follow the emergency procedures provided by your certified dive training agency or alternatively follow these steps 1 Assess the situation calmly and then move promptly to less than 18 m 60 ft 2 At 18 m 60 ft slow down your ascent rate to 10 m 33 ft per minute and move to a depth between 3 and 6 m 10 and 20 ft 3 Stay there for as long as your air supply will safely allow After reaching the sur face do not dive for at least 24 hours 5 3 Dive computer limitations While the dive computer is based on current decompression research and technology you must realize that the computer canno
71. tion as before to provide information for ascent You must immediately ascend to a depth of 3 to 6 m 10 to 20 ft and remain at this depth until air supply limitations require you to surface After surfacing you should not dive for a minimum of 48 hours During the permanent Error mode the Er text is displayed in the center window and the planning mode is disabled 38 5 6 DIVE mode settings Suunto Vyper 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 settings are only available in the submode The Set Modes 3 SET include dive configuration and setup options that have to be Set before the dive The Set Modes are divided into three submodes for setting the dive related parameters time related parameters and your personal preferences Time related parameters 2 SET TIME and personal preferences 3 SET PREF are introduced in Section 4 1 SET MODES 3 SET To enter the Dive Parameter Setting Mode select MODE 3 SET 1 SET DIVE The Dive Parameter Setting mode 1 SET DIVE has two to four options depending on the dive computer mode In Gauge mode there are two options in Air mode three options and in Nitrox mode four options The figure below shows how to enter the DIVE mode settings menu NOTE Some settings cannot be changed until five 5
72. ument 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 Both fractions are scaled so that the maximum tolerated exposure for each is expressed as 100 71 Oxygen Limit Fraction OLF has 11 segments each representing 10 Oxygen Limit Fraction OLF displays only the value of the higher of the two calcu lations The oxygen toxicity calculations are based on the factors listed in Section 10 3 Oxygen exposure When the OTU value meets and exceeds the CNS value then in addition to displaying its percentage the lowest segment blinks to indicate that the value shown relates to OTU Figure 6 14 The lowest bar graph blinks to indicate that the OLF value shown relates to OTU 72 6 3 Diving the GAUGE mode If set to Gauge mode the dive computer can be used for diving with technical diving mixed gases If you are trained for technical diving and you plan to use Gauge mode on a regular basis it may be preferable to set the instrument permanently to its Gauge mode If set to Gauge mode the text GAUGE is shown after activation In the Gauge mode the present depth maximum depth dive time remaining air time and ascent rate indicator are displayed during the dive In addition temperature and cu
73. us depths and whose no decompression limits are therefore not determined solely by the maximum depth attained In sports diving refers to any mix with a higher fraction of oxygen than standard air United States National Oceanic and Atmospheric Administration The maximum amount of time a diver may remain at a particular depth without having to make decompression stops during the subsequent as cent Any dive which permits a direct uninterrupted ascent to the surface at any time Abbreviation for no decompression time limit Abbreviations for oxygen enriched air nitrox Abbreviation for oxygen limit fraction 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 Limits the maximum depth to which the nitrox mixture can be safely used The maximum partial pressure limit for enriched air diving is 1 4 bar The contingency partial pressure limit is 1 6 bar Dives beyond this limit risk immediate oxygen toxicity 119 RGBM Reduced Gradient Bubble Model Repetitive dive Residual nitrogen SURF TIME Surface interval time Tissue group Whole body toxicity 120 Abbreviation for oxygen partial pressure Abbreviation for Reduced Gradient Bubble Model Modern algorithm for tra
74. with the beeper attached to it You can remove the lid by pressing with your finger on the outermost edge of the lid while simultaneously pulling with your nail at the opposite side Don t use sharp metal objects as they might damage the O ring or the sealing surfaces Remove the O ring and the battery retainer 10 11 12 13 14 15 16 17 Carefully remove the battery Do not damage the electrical contacts or the sealing surface Check for any traces of flooding particularly between the beeper and the lid or for any 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 Check the condition of the O ring a defective O ring may indicate sealing or other problems Dispose the old O ring even if it seems to be in good condition Check that the battery compartment battery holder and lid are clean Clean with Soft cloth if necessary Gently insert the new battery in the battery compartment Check the polarity of the battery the mark should point toward the bottom of the compartment and the mark upwards Reinstall the battery retainer in its correct position Check that the new lubricated O ring is in good condition Put it in the right position on the battery compartment lid Be very careful not to get any dirt on the o ring or its sealing surfaces Carefully press the lid onto the battery compartment with your thumb
75. y 36 hours of diving with 20 second recording interval Depth resolution 0 3 m 1 ft Operating conditions Normal altitude range 0 to 3 000 m 10 000 ft above sea level 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 instrument be stored in a dry place at room temperature NOTE Do not leave the dive computer in direct sunlight Tissue calculation model Suunto RGBM algorithm developed by Suunto and Bruce R Wienke BSc MSc PhD 9 tissue compartments 103 Tissue compartment halftimes 2 5 5 10 20 40 80 120 240 and 480 minutes on gassing The off gassing halftimes are slowed down 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 prin ciples Battery One 3 V lithium battery CR 2450and O ring 1 78 mm x 31 47 mm 70 ShA 5664 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 Odives year gt 3 years 100 dives year gt 2 years 400 dives year gt 1 year The following conditions have an effect on the expected battery lifetime The length of the dives The conditio
76. yed 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 NOTE For safety reasons the backlight cannot be activated when the low battery warning is indicated by the battery symbol 5 7 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 4 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 47 Table 5 4 Altitude Adjustment settings Alt adjustment value Symbol on display Altitude range 0 0 300 m 0 1000 ft om 1 300 1500 m 1000 5000 ft 2 A 1500 3000 m 5000 10 000 ft Ej NOTE Section 5 6 1 Setting the personal altitude adjustments 1 AdJ MODE describes 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 recom mended that you acclimatize to the new altitude by waiting at least three 3 hours before diving 5 7 5 Personal adjustments There are personal factors that can affect your susceptib

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