Home

Suunto VYTEC DS User's Manual

1. 53 4 3 2 Setting Time 2 SET TIME e 4 3 2 1 Adjusting Time 1 AdJ TIME 4 3 2 2 Adjusting Date 2 AdJ DATE keresia 4 3 2 3 Adjusting Daily Alarm 3 T ALARM 4 3 3 Setting Preferences 3 SET PREF rrr 4 3 3 1 Backlight Setting 4 LIGHT uuu uuu uuu uu u 4 3 3 2 Dive Computer Units Setting 2 UNITS 4 3 3 3 Wireless Transmission Settings 3 HP 4 3 3 4 Profile Sample Rate Setting 4 REC 4 3 3 5 Dive Computer Model Setting 5 MODEL AIR NITROX GAUGE a a 56 CARE AND MAINTENANCE 5 1 IMPORTANT INFORMATION 5 2 CARE OF YOUR DIVE COMPUTER 5 3 MAINTENANCE 5 4 WATER RESISTANCE INSPECTION 5 5 BATTERY REPLACEMENT 5 5 1 Computer batfery uuuu uuu sii ctzececdensecessaeseiisauseeenetsietiebeeeteais 5 5 2 Wireless transmitter battery replacement TECHNICAL DESCRIPTION istrerion 6 1 OPERATING PRINGIPLES 15 5 isccceccuescssieacecesstsceceqevsssceteesedadeesebeseazyaceas 6 2 SUUNTO REDUCED GRADIENT BUBBLE MODEL RGBM 63 OXYGEN EXPOSURE sc aa suu Ea Dau na S ai 6 4 TECHNICAL SPECIFICATION WARRANTY SUUNTOSPORTS COM 8 1 SYSTEM REQUIREMENTS 8 2 SUUNTOSPORTS COM SECTIONS 8 3 GETTING STARTED GLOSSARY Kori a ER avid ayau 1 INTRODUCTION Congratulations on your purchase of the SUUNTO VYTEC advanced dive computer
2. To enter the Backlight Setting Mode select MODE 3 SET 3 SET PREF 1 LIGHT z s an O vA g gt Qa a v lt Fig 4 31 Adjusting Date E gT 27 k ra u Eru O lt 13 rine mJ m Ea LON NE s Ps wo lt lt p Fig 4 32 Adjusting Daily Alarm 55 Fig 4 33 Setting Backlight On Time Press scroll buttons to change backlight on off and to set time value Fig 4 34 Setting Metric Imperial units U RL Fig 4 35 Setting Dive Computer model 56 NOTE When the backlight turned OFF it does not illuminate when an alarm is given 4 3 3 2 Dive Computer Units Setting 2 UNITS To enter the Dive Computer Units Setting mode select MODE 3 SET 3 SET PREF 2 UNITS This will enable you to choose between metric and imperial units Fig 4 34 4 3 3 3 Wireless Transmission Settings 3 HP The wireless transmission can be set ON or OFF depending on if the optional wireless pressure transmitter is used or not No cylinder pressure related data is shown or data recep tion made when this selection is off You can set the secondary cylinder pressure alarm point The 50 bar alarm is fixed and can not be changed The 35 bar secondary alarm pressure can be set in the range 10 200bar To set the wireless transmission settings select MODE 3 SET 3 SET PREF 3 HP 4 3 3 4 Profile Sample Rate Setting 4 REC You can set dive profile sample rate
3. the instrument operates in the correct mode and provides a complete display Air Nitrox Gauge modes the low battery indicator is not on e the altitude personal adjustment RGBM and safety deep stops settings are correct Z89881 DB BB BHN raging Si DIVE TIME hons Oo Fig 3 1 Startup I All segments shown RT 7 a s k z M m FO ie BR 2 S x cw lt z T aL KO ac AAR 2 Q Cw lt 27 b C s O LOMBAT ze Q x CIO lt T 4 O LOWHAT amp fd x Fig 3 2 Startup II Battery power indicator GOES nm s sj mies No i wE D g N gt Bar aX ny 2 ap OO aay Fig 3 3 Startup III Sur face mode Depth and dive time are zero and cylinder pressure is 300 bar 4350 psi Pressing TIME button activates alternative display of temperature and current time DSS A E k a O Oe DALE copo Fig 3 4 Startup IV Gauge mode eS r m rin gr was k SET SIM m opr Fig 3 5 Low Battery Warning Battery symbol indicates that the bat tery is low and battery replacement is recom mended 18 the instrument displays correct units of measurement Metric Imperial the instrument displays correct temperature and depth 0 0 m 0 ft the buzzer beeps lif the optional wireless pressure trans mitter is used see chapter 2 4 Wireless pressure transmission ens
4. 50 NOTE While in the Data Transfer mode the connector water contacts are used only for the data transfer The Dive Mode IS NOT automati cally 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 trans ferred within 5 minutes the instrument beeps and returns to the timekeeping display auto matically 4 2 SIMULATION MODE 2 SIMUL The Simulation mode can be used to acquaint yourself with the features and displays of the instrument before diving to plan dives in ad vance for demonstration or education purpos es or just for pleasure The dive computer has two simulation modes Fig 4 16 The DIVE SIMULATOR Fig 4 17 e The DIVE PLANNING SIMULATOR Fig 4 19 In Simulation Mode time moves four times faster than real time when diving i e 15s 1min 4 2 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 infor mation as well as audible and visual warn ings Cylinder pressure drop is simulated with a constant depth dependent consumpti
5. e any calculated residual nitrogen e all dive history for the past four days oxygen toxicity Nitrox mode The no decompression times given for different depths will therefore be shorter than before your first fresh dive DIVE NUMBERING SHOWN DURING DIVE PLANNING Dives belong to the same repetitive dive series if the instrument was still counting down the no fly time at the beginning of the dive 20 The surface interval must be at least 5 minutes for a dive to be considered a repetitive dive Otherwise it is considered a continuation of the same dive The dive number will not change and the dive time will continue where it left off see also section 3 6 2 Dive Numbering 3 1 4 User Definable Functions and Alarms This Vytec has several User Definable Functions and depth and time related alarms that you can set according to your personal preference The dive computer model unit of measurement and backlight prefer ences can be set in the MODE SET SET PREF submode The dive time and the depth alarms can be set in the MODE SET SET DIVE submode and the alarm clock can be set in the MODE SET SET TIME submode Setting of the user definable functions and alarms are explained in detail in section 4 3 Set Modes 3 2 SAFETY STOPS Safety stops are widely considered good diving practice and are an integral part of most dive tables Reasons to perform a safety stop include a reduction in sub clinica
6. 1 2 1 6 bar depending on the limit setting Oxygen Limit Fraction 1 110 with 10 resolution bar graph Logbook Dive Profile Memory Recording interval 20 seconds the recording interval can be set to 10s 30s or 60s with the optional PC interface unit and software records the maximum depth of each interval Memory capacity approximately 36 hours of diving with 20 seconds recording interval Depth accuracy 0 3 m 1 ft Operating Conditions Normal altitude range 0 to 3000 m 10000 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 e Suunto Deep Stop RGBM algorithm developed by SUUNTO and Bruce R Wienke BS MS and PhD 9 tissue compartments Tissue compartment halftimes 2 5 5 10 20 40 80 120 240 and 480 minutes on gassing The off gassing halftimes are slowed down e Reduced gradient variable M values based on diving habit 69 Battery Vytec and dive violations The M values are tracked up to 100 hours after a dive The EAN and oxygen exposure calculations are based on recommendations by R W Hamilton PhD and currently accepted exposure time limit tables and principles One 3 V lithium battery CR 2450 K5597
7. 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 Fig 4 30 4 3 2 2 Adjusting Date 2 AdJ DATE To enter the Date Setting Mode select MODE 3 SET 2 SET TIME 2 AdJ DATE After enter ing this mode you are able to set the correct year month and day in this order Fig 4 31 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 31 2089 4 3 2 3 Adjusting Daily Alarm 3 T ALARM You can set one daily alarm in the dive com puter 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 to adjust the alarm select MODE 3 SET 2 SET TIME 3 T ALARM After entering this mode you are able to set the desired alarm time Fig 4 32 4 3 3 Setting Preferences 3 SET PREF To enter the Setting Preferences Mode select MODE 3 SET 3 SET PREF The Setting Pref erences mode has five options 1 Light 2 Units 3 HP 4 REC and 5 Model 4 3 3 1 Backlight 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 Fig 4 33
8. AA lithium cell 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 metal surfaces of the battery with your bare fingers TOOLS REQUIRED APhilips head screwdriver e Soft cloth for cleaning TRANSMITTER BATTERY REPLACEMENT To change the transmitter battery follow the procedure below 1 Remove the transmitter from the regulator HP port 2 Unscrew and remove the four Phillips screws on the back of the transmitter Pull off the transmitter cover 4 Carefully remove the o ring Be careful not to damage the sealing surfaces 5 Carefully remove the battery Do not touch the electrical contacts or the circuit board Check for any traces of flooding or for any other damage In case of a leak or any other damage bring the transmitter to an authorized SU UNTO dealer or distributor for check and repair 6 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 7 Check that the o ring groove and the sealing surface of the cover the are clean Clean with soft cloth if necessary 8 Gently insert the new battery in the battery compartment Check the polarity of the battery the mark should point toward the top of the compartment and the mark towards the bottom 63 NOTE It is imperative to wait at least 30 seconds before
9. and O ring 1 78 mm x 31 47 mm 70 ShA K5664 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 0 dives y gt 2 years 100 dives y gt 1 5 years 300 dives y gt 1 year The following conditions have an affect on the expected battery lifetime The length of the dives The condition in which the unit is operated and stored e g temperature cold conditions Below 10 C 50 F the expected battery lifetime 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 into the unit at the factory Transmitter 70 One 3 V lithium battery 1 2AA K5546 and O ring 2 00 mm x 25 00 mm K5538 Battery storage time shelf life Up to three years Replacement Every two years or more often depending on dive activity Life expectancy at 20 C 68 F 0 dives y gt 3 years 100 dives y gt 2 years 400 dives y gt 1 year The following conditions have an affect on the expected battery lifetime The length of the dives The condition in which the unit is operated and stored e g temperature cold conditions Below 10 C 50 F the expected battery lifetime is about 50
10. only shown for repetitive dives Fig 4 21 Dive Planning Simulation Er Fig 4 22 Setting Op tions 3 SET 51 r A K i k A pIE 3 O u k Ag lt Ow Fig 4 23 Setting Altitude adjustment Press scroll buttons to change altitude mode of Pu sess r N x NI go k ra an gt 1O w d S 5 P lt Fig 4 24 Setting Personal adjustment Press scroll buttons to change personal mode Fig 4 25 Setting RGBM adjustment Press scroll buttons to change setting 52 4 3 1 Dive Parameter Settings 1 SET DIVE To enter the Dive Parameter Setting Mode select MODE 3 SET 1 SET DIVE The Dive Parameter Setting mode has two to four op tions depending on the dive computer mode In Gauge mode there are two options in Air mode three options and in Nitrox mode four options 4 3 1 1 Altitude Adjustment Personal Adjustment RGBM Set tings and Safety Stop Deep Stop 1 AdJ MODE The current Altitude and Personal Adjustment modes are shown when diving and at the sur face If the mode does not match the altitude or personal conditions see section 3 8 High Altitude Dives and Personal Adjustment it is imperative that you enter the correct selec tion before diving Use the Altitude Adjustment to select the correct altitude mode Use the Personal Adjustment to add an extra level of conservatism For certain divers and diving conditions you may want t
11. selected mode 10 The timekeeping display is the default display of the instrument Fig 2 1 If a button is not pressed within 5 minutes the dive computer beeps and returns to the timekeeping display automatically except in Diving and Simula tion modes The timekeeping display shuts off after two hours but pressing the PLAN or TIME button activates it Making the Vytec personal For best use of the Vytec take some time and make it YOUR computer Set the correct time and date Read this manual Set dive alarms and make all the other settings listed in the introduction in this manual Install the Vytec in your console or fit it on your wrist If the Vytec is to be used with the optional wire less pressure transmitter install it and enable the pressure transmission in the Vytec s set tings Try the pressure transmission Use the dive simulator for getting to know the dive display All this so you know your computer and have it set up as you want it before getting into the water 2 2 PUSH BUTTONS The dive computer has easy to use push buttons and an advisory display which guides the user The SMART MODE button is the key to the system The two scroll buttons PLAN and TIME are used for scrolling up and down the menus and to show the alterna tive displays The dive computer is controlled with these three push buttons as follows see Fig 2 2 LS d g zI m m al w J0 0O Th
12. transmission related ete displays 2 4 3 Transmission Data be After the pairing procedure the Vytec will receive cylinder pressure data from the transmitter The pressure is displayed in either bars or psi de pending on the unit selection Any time the Vytec receives an appropri ate signal it flashes the lightning figure in the display s lower left corner A pressure reading of over 360 bar 5220 psi will display as Fig 2 6 b If the Vytec is unable to receive a valid signal for more than one minute it will start displaying FAIL intermittently with the latest valid pressure reading Fig 2 6 c 15 In case the transmitter battery is running low a low battery warning LOBT will be transmitted and displayed intermittently with the pressure reading on the Vytec Fig 2 6 d If the dive is started without that the Vytec and the transmitter have been properly paired the Vytec will indicate that no cylinder data is available by displaying OFF Fig 2 6 e TABLE 2 1 PRESSURE TRANSMISSION RELATED DISPLAYS Display Indication Figure 2 6 SETC Set Code No code stored wrist unit ready for pairing with transmitter a Pressure reading over 360 bar 5220 psi b FAIL Indicates pressure reading has not been updated in more than 1 minute Transmitter is out of range in power saving mode or on another channel Activate the transmitter by breathing off the regulator and recode the wrist unit
13. 3 3 6 Safety Stops and Deep Stops 3 3 7 Decompression dives 3 4 DIVING IN NITROX MODE 3 4 1 Before Diving 3 4 2 Oxygen Displays 3 4 3 Oxygen Limit Fraction OLF u u uu u u u u assaka 3 4 4 Gas Change Multiple Breathing Gas Mixes 3 5 DIVING IN GAUGE MODE isicssticcsccscsecscaeetisiccocsecssetitdivinaisdes isesi an 36 AT THE SURFACE 27At en stands Patek danetanaedecacigscevesvesgieaesceeedes 3 6 1 Surface Interval 36 2 Dive NUMDEMNO zias era e a aa 3 6 3 Flying Aner DIVING deere ipei E AaS 3 7 AUDIBLE AND VISUAL ALARMS 3 8 HIGH ALTITUDE DIVES AND PERSONAL ADJUSTMENT 40 3 8 1 Altitude Adjustment 3 8 2 Personal Adjustment 3 9 ERROR CONDITIONS MENU BASED MODES 4 1 MEMORIES AND DATA TRANSFER 1 MEMORY 45 4 1 1 Logbook and Dive Profile Memory 1 LOGBOOK 45 4 1 2 Dive History Memory 2 HISTORY 48 4 1 3 Data Transfer and PC Interface 3 TR oa 4 2 SIMULATION MODE 2 SIMUL 4 2 1 Dive Simulator 1 SIMDIVE 4 2 2 Dive Planning Simulator 2 SIMPLAN 4 3 SET MODES 8 SET paciensa 4 3 1 Dive Parameter Settings 1 SET DIVE 4 3 1 1 Altitude Adjustment Personal Adjustment and RGBM Settings and Safety Stop Deep Stop 1AdJ MODE 52 4 3 1 2 Dive Time Alarm Setting 2 d ALARM 4 3 1 3 Maximum Depth Alarm Setting 3 MAX DPTH 53 4 3 1 4 Nitrox Oxygen Settings 4 NITROX
14. 3 MAX DEPTH The depth alarm is set to 40 m 131 ft at the factory but you are able to adjust it according 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 Fig 4 27 4 3 1 4 Nitrox Oxygen Settings 4 NITROX If set to the Nitrox mode the correct oxygen percentage of the gas in your cylinder and additional gases must always be entered into the computer to ensure correct nitrogen and oxygen calculations Also in Nitrox mode the oxygen partial pressure limit must be set Fig 4 25b Setting Safe tystop Deepstop Press scroll buttons to change safety deep stop Fig 4 26 Setting Dive Time Alarm Press scroll buttons to change alarm on off and to set dive time value Fig 4 27 Setting Maxi mum Depth Alarm Press scroll buttons to change alarm on off and to set maximum depth value 53 3 om a Je gt wa gt Mi Iv f maa lt a amp s p Fig 4 28 Setting primary gas mix MIX1 Oxygen percentage is 32 oxy gen partial pressure limit is 1 4 bar The equivalent maximum depth is displayed as 32 8 m 107 ft Press scroll buttons to change oxygen percent age and to set oxygen partial setting value Ac cept settings by pressing MODE OK Fig 4 29 Setting additional gas mixes MIX2 MIX3 MIX 2 is turned off Press scroll buttons to enable dis able MIX2 Press MODE OK to accept settings 54 When in the Nitrox Set
15. TABLE 3 2 ASCENT RATE INDICATOR Ascent Rate The equivalent Example Indicator ascent speed in Fig No segments Below 4 m min 13 ft min 3 8 One segment 4 6 m min 13 20 ft min 3 9 Two segments 6 8 m min 20 26 ft min 3 10 Three segments 8 10 m min 26 33 ft min 3 11 Four segments 10 12 m min 33 39 ft min 3 12 Four segments the Above 12 m min 39 ft min or SLOW segment continuously above blinking depth reading 10 m min 33 ft min 3 13 the STOP sign and an audible alarm 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 Whenever the SLOW warning segment and the STOP sign appear Fig 3 13 you should immediately 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 Fig 3 14 You should not ascend shallower than 3 m 10 ft with the Mandatory Safety Stop warning on WARNING DO NOT EXCEED THE MAXIMUM ASCENT RATE Rapid ascents increase the risk of injury You should always make the Mandatory and Recommended Safety Stops after you have exceeded the maximum recommended ascent rate If this Mandatory S
16. The Vytec builds on the Suunto tradition of delivering feature rich dive computers The Suunto Vytec provides many new and enhanced features that cannot be found in other dive computers such as gas switching and optional wireless air integration Push button con trols access a wide selection of choices The display is optimized for the dive mode chosen This air integrated dive computer is a compact and sophisticated multipurpose dive instrument designed to give you years of trouble free service Choice of Operating Modes and Set up Options User options for the Vytec are selected using the push buttons Pre Dive configuration and setup options include e Choice of operating mode Air Nitrox Gauge Wireless Air Integration on off e Cylinder alarm setting Choice of unit Metric Imperial e Maximum depth alarm Dive time alarm Backlight settings e Clock calendar daily alarm Mix Oxygen fraction Nitrox mode only Maximum PO Nitrox mode only Altitude adjustment Personal adjustment RGBM adjustment e Sample rate setting 10 20 30 or 60 seconds for dive profile Multiple breathing gases The Suunto RGBM Deep Stop Algorithm The Suunto Reduced Gradient Bubble Model RGBM utilized in the Vytec predicts both dissolved and free gas in 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 t
17. _ won C ES En Gs b a U eee T SNOILLWH3d0 is EB Va szo wpe q pA zol CO E 7 Wa p i Gv saqolun W ZL x7 3QOW JAIA gt gt X lt IQON 9NIAIG 3GOW 39vs4uNns AGOW AS GNVLS ANY S NId33y 3WLL Printed in Finland 08 2005 Esa Print Oy 151047 SUUNTO TWO YEAR WARRANTY This product is warranted to be free of defects in material and or workmanship to the original owner for the above noted period does not include battery life Keep a copy of the original purchase receipt and make sure to get this warranty card stamped at the place of purchase The warranty originates from the date of purchase All warranties are limited and are subject to the restrictions given in the instruction manual This warranty does not cover the damage to the product resulting from improper usage improper maintenance neglect of care alteration improper battery replacement or unauthorized repair Model of Serial Computer number Date of purchase Place of purchase Store name Store City f Store Country Store stamp with date of purchase Name Address City Country y Telephone E mail Signature www suunto com Made in Finland Suunto Oy 01 2004 08 2005
18. a dive Delta P describing the Cylinder Pressure drop during the dive difference in cylinder pressure between beginning and end of dive Abbreviation for equivalent air depth Abbreviation for enriched air nitrox Also called Nitrox or Enriched Air EANx Air that has some oxygen added Standard mixes are EAN32 NOAA Nitrox NN l and EAN36 NOAA Nitrox II NN II Nitrogen partial pressure equivalent table The deepest depth during a decompression stop dive at which decompression takes place Half time HP Multi level dive NITROX NOAA No decompression time No decompression dive NO DEC TIME OEA EAN EANx OLF OTU Oxygen Tolerance Unit Oxygen Limit Fraction 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 Abbreviation for high pressure cylinder pressure A single or repetitive dive that includes time spent at various 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 ascent Any
19. are going to colder conditions or if you are planning to make a dive trip b LOWBAT Battery power is low and 2 segments the battery replacement is low battery symbol recommended The battery symbol is displayed The backlight is disabled c LOWBAT 1 segment QUIT low battery symbol Change the battery d Returns to the Time display Activation and all functions are disabled Temperature or an internal oxidation of the sM Q battery affects the battery voltage If the in d n aug k strument is stored for a long period the low battery warning may be displayed even though the battery has enough capacity The low bat tery warning may also be displayed at low tem peratures even though the battery has enough capacity in warmer conditions In these cases repeat the battery check procedure Fig 3 6 Dive Planning Planni de is indi After battery check the Low Battery Warning is ea B BLAN A NO indicated by the battery symbol Fig 3 5 decompression time limit at 30 0 m 100 ft is 14 minutes in A0 P1 mode SET SIM m 4 k w gt gt 19 If the battery symbol is displayed in the Surface mode or if the display is faded or weak the battery may be too low to operate the dive computer and battery replacement is recommended NOTE For safety reasons the backlight cannot be activated when the low battery warning is indicated by the battery symbol 3 1 2 2 Wireless Transmitter Bat
20. arrows pointing toward each other the hour glass icon Abbreviation for Central Nervous System toxicity Central Nervous System Toxicity CNS Compartment DAN DCI 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 Central Nervous System toxicity limit fraction Also note Oxygen Limit Fraction See Tissue group Divers Alert Network Abbreviation for decompression illness 75 Decompression Decompression range Decompression illness Dive series Dive time DP EAD EAN Enriched Air Nitrox Equivalent Air Depth Floor 76 Time spent at a decompression stop or range before surfacing to allow absorbed nitrogen to escape naturally from tissues On a decompression stop dive the depth range between the floor and 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 inadequately controlled decom pression Commonly called 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
21. 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 Fig 5 2 and turn the ring clockwise Care should be taken not to damage any of the parts Remove the ring Carefully remove the lid with the beeper attached to it The lid can be removed by pressing with your finger on the outermost edge of the lid while at the same time pulling with your nail at the opposite side Do not use sharp metal objects as they might damage the O ring or the sealing surfaces Remove the O ring and the battery retainer 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 60 10 11 12 13 14 15 16 17 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
22. double beeps and a blinking pressure display when the cylinder pressure reaches 50 bar 725 psi Fig 3 12 Three double beeps are also heard when the cylinder pressure goes down to the user selected alarm pressure and when the remaining air time reaches zero 3 3 4 Consumed Bottom Time CBT The available no decompression stop time is also shown visually in the multi function bar graph on the left side of the display Fig 3 7 3 8 and 3 9 When your available no decompression time decreases below 200 minutes the first lowest bar graph segment appears As your body absorbs more nitrogen more segments start to appear White Zone As a safety precaution Suunto recommends you should maintain the no decompression bar graph within the white zone Seg ments start to appear when the available no decompression time de creases below 100 80 60 50 40 30 and 20 minutes Gray Zone As the bars reach the gray 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 25 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 3 3 6 Decompression dives 3 3 5 Ascent Rate Indicator The ascent rate is shown graphically along the right side of the display as follows
23. if necessary LOBT Indicates pressure transmitter battery voltage d is low Change the transmitter battery OFF Pairing has not been conducted before e start of dive No cylinder data available 16 3 DIVING WITH THE VYTEC This section contains instructions on how to operate the dive computer and interpret its displays You will find that this dive computer is easy to use and read Each display shows only the data relevant to that specific diving situation 3 1 BEFORE DIVING 3 1 1 Activation and Prechecks The dive computer will activate if submerged deeper than 0 5 m 1 5 ft However it is ne cessary to turn on the Dive Mode before diving to check the cylinder pressure altitude and personal adjustment settings battery condi tion oxygen settings etc Press the SMART Mode button to activate the instrument After activation all display elements will turn on showing mostly figure 8 s and graphi cal elements Fig 3 1 A few seconds later the battery power indicator is shown and the backlight and the buzzer are activated Fig 3 2 display a b c or d depending on the battery voltage If set to Air mode the screen will enter the Surface mode Fig 3 3 If set to Gauge mode the text GAUGE is shown Fig 3 4 and if set to Nitrox mode the essential oxygen parameters are shown with the text NI TROX Fig 3 21 before the Surface mode At this time perform your prechecks making sure that
24. made when deemed important Three classifications are used to separate these references by their order of importance WARNING is used in connection with a procedure or situation that may result in serious injury or death CAUTION is used in connection with a procedure or situation that will result in damage to the product NOTE is used to emphasize important information COPYRIGHT TRADEMARK AND PATENT NOTICE This instruction manual is copyrighted and all rights are reserved It may not in whole or in part be copied photocopied reproduced translated or reduced to any media without prior written consent from SUUNTO SUUNTO VYTEC Consumed Bottom Time CBT Oxygen Limit Fraction OLF SUUNTO Reduced Gradient Bubble Model RGBM Continuous Decompression and their logos are all registered or unregistered trade marks of SUUNTO All rights are reserved CE The CE mark is used to mark conformity with the European Union EMC directive 89 336 EEC and Personal Protective Equipment directive 89 686 EEC The SUUNTO dive instruments fulfill all the required EU directives FIOH Laajaniityntie 1 FIN 01620 Vantaa Finland notified body no 0430 has EC type examined this type of personal protective equipment EN 250 Respiratory equipment Open circuit self contained compressed air diving apparatus Requirements testing marking The cylinder pressure gauge and the parts of this product used in meas uring the cylinder pr
25. oxygen toxicity exposure shown with an Oxygen Limit Fraction OLF bar graph along the left side of the display instead of the CBT In the Dive modes the oxygen percentage la beled with O and the current oxygen toxicity exposure shown with an Oxygen Limit Frac tion OLF bar graph are shown Fig 3 22 and Fig 3 23 If the wireless transmission is enabled the O is shown until the remain ing 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 la beled with PO 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 Fig 3 24 By pressing the TIME button during a nitrox dive the alternative display appears which includes Fig 3 25 current time temperature e Consumed Bottom Time e maximum depth during decom pression stop dive remaining air time when remaining air time is over 30min oxygen percentage when remaining air time less than 30 min After five seconds the display will automatically revert to the original display 3 4 3 Oxygen Limit Fraction OLF In addition to tracking the diver s exposure to nitrogen the instrument tracks the exposure to oxygen if set to Nitrox mode These calculations are treated as entirely separate functions The dive computer calculates separately for Central Nervous System oxygen to
26. re installing the transmitter battery When the battery is re installed the transmitter sends an overpressure signal on code 12 for 10 seconds after which it goes to normal operation and shuts down after 5min 9 Check that the new lubricated O ring is in good condition Put it in the right position in the o ring groove Be very careful not to get any dirt on the o ring or its sealing surfaces 10 Carefully put the transmitter cover into place Note that the cover will only fit in one position Match the three slots on the inside of the cover with the three ledges below the battery 11 Screw the four screws back into place Transmitter Battery K5546 f Transmitter cover V5824 Transmitter screws K5542 Transmitter Cover o ring 2 00x 25 00 HP port o ring 9 25x1 78 K5538 K1042 Fig 5 3 Wireless transmitter parts The code stands for spare part order number 6 TECHNICAL DESCRIPTION 6 1 OPERATING PRINCIPLES NO DECOMPRESSION LIMITS The no decompression limits displayed by the dive computer for the first dive to a single depth see Table 6 1 and Table 6 2 are slightly more conservative than those permitted by the U S Navy tables 64 TABLE 6 1 NO DECOMPRESSION TIME LIMITS MIN FOR VARI OUS DEPTHS M FOR THE FIRST DIVE OF ASERIES Personal Mode Altitude Mode Depth m PO AO0 PO A1 PO A2 P1 A0 P1 A1 P1 A2 P2 A0 P2 A1 P2 A2 A A 9 163 130
27. see also section 3 9 Error Conditions 3 4 DIVING IN NITROX MODE 3 4 1 Before Diving The Vytec has three operating modes Air mode for diving with standard air only Nitrox mode for diving with oxygen enriched EANx mixtures and Gauge mode for use as bottomtimer The Nitrox mode is enabled in the MODE SET SET PREF MODEL submode see section 4 3 Set Modes If set to the Nitrox mode the correct oxygen percentage of the gas in your cylinder must al ways be entered into the computer to ensure correct nitrogen and oxygen calculations The dive computer adjusts its mathematical nitro gen and oxygen calculation models 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 under stated and will affect decompression calcula tions If there is a desire to adjust the computer to provide more conservative calculations use the personal adjustment feature to affect decom pression calculations or reduce the PO setting to affect oxygen exposure according to the en tered O and PO values Calculations based on Nitrox use result in longer no decompression times and shallower maximum depths than div ing with air As a safety precaution the oxygen calculations in the computer are made with an oxygen per centage of 1 setO When the dive com
28. short single beep occurs when the dive computer is activated e when the dive computer automatically returns to the TIME mode Three double beeps occur when the cylinder pressure reaches 50 bar 725 psi The cylinder pressure display will start to blink Fig 3 12 the cylinder pressure reaches the selected alarm pressure the calculated remaining air time reaches zero Three single beeps with a two second interval and the backlight activated for 5 seconds occur when the no decompression dive turns into a decompression stop dive An arrow pointing upwards and the blinking ascent warning ASC TIME will appear Fig 3 16 e Gas change is prompted Continuous beeps and the backlight activated for 5 seconds oc cur when e the maximum allowed ascent rate 10 m min 33 ft min is exceeded SLOW and STOP warnings will appear Fig 3 13 the Mandatory Safety Stop ceiling is exceeded A downward pointing arrow will appear Fig 3 15 the decompression ceiling depth is exceeded An error warning Er and a downward pointing arrow appear You should immediately descend to or below the ceiling The instrument will otherwise enter a permanent Error Mode within three minutes indicated by a permanent Er Fig 3 19 38 You are able to preset alarms before the actual dive The user program mable alarms can be set for maximum depth dive time and time The alarms activate when The preset maximum dep
29. than 30 minutes u a E gk ea TMi ia H pd R s Swe s SET SiM men ES wi sents ry Fig 3 26 The lowest bar graph blinks to indicate that the OLF value shown relates to OTU m ru YS 183 k F om f z raat g I O pw A i M v I IEA 1 lt amp S Fig 3 27 Changing gas mix Current gas mix is MIX1 21 Scroll though enabled mixes by pressing PLAN or TIME button Select new mix by pressing MODE OK button 33 set maximum oxygen partial pressure Tissue calculation during dive is based on the mix you have selected The Vytec allows gas change to enabled gas mixes during the dive Gas change is made by the following procedure Press the MODE button until the Vytec starts to show blinking MIX instead of temperature cylinder pressure in the lower left display Fig 3 27 Scroll between enabled mixes with PLAN and TIME buttons Mix number 02 and PO2 for the mixes are shown when scrolling If set PO2 is exceeded it will be shown with the value blinking and upward pointing arrow Select mix by pressing MODE e f no button is pressed in 15 seconds the Vytec will go back to dive display without changing gas mix The Vytec does not allow change to a gas when set PO2 is exceeded In such a case the mix is shown but cannot be selected select text is not shown Upon ascent the Vytec prompts you to change gas when the PO2 level you have
30. the ceiling The ceiling is the shallowest depth to which you should ascend plus the time needed at the Mandatory Safety Stop if any om y En Ni 1 wee ane Be fi DIVE TIME l Fig 3 13 Ascent Rate Indicator Blinking depth reading SLOW and four segments are shown together with an audible alarm ascent rate is more than 10 m min 33 ft min This is a caution to slow down STOP sign means that you are advised to make a Mandatory Safety Stop when you reach a depth of 6 m 20 ft a 4ni koky Phew 5 mi IA ro A a noeg o Sa QH Fig 3 14 A Mandatory Safety Stop You are advised to make a Man datory Safety Stop in the depth zone between 6 m and 3 m 20 ft and 10 ft Pressing TIME button shows alternative display 27 plus the time needed to reach the surface after the ceiling and safety stops have been completed WARNING YOUR ACTUAL ASCENT TIME MAY BE LONGER THAN DISPLAYED BY THE INSTRUMENT The ascent time will increase if you e remain at depth e ascend slower than 10 m min 33 ft min or e make your decompression stop deeper than at the ceiling These factors will also increase the amount of air required to reach the surface CEILING CEILING ZONE FLOOR AND DECOMPRESSION RANGE When in decompression it is important that you understand the meaning of ceiling floor and decompression range Fig 3 20 The ceiling
31. to 10 20 30 or 60 seconds To adjust the sampling rate select MODE 3 SET 3 SET PREF 4 REC The factory default setting is 20 seconds 4 3 3 5 Dive Computer Model Setting 5 MODEL AIR NITROX GAUGE 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 Fig 4 35 To enter the Dive Computer Model Setting mode select MODE 3 SET 3 SET PREF 5 MODEL 5 CARE AND MAINTENANCE This SUUNTO dive computer is a sophisticated precision instrument Though designed to withstand the rigors of scuba diving you must treat it with proper care and caution as any other precision instrument 5 1 IMPORTANT INFORMATION 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 prob lems during the data transfer Therefore it is important that the water contacts and push buttons are kept clean If the water contacts of the instrument 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 that may create an unwanted 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
32. to adjust the computer to provide more conservative calculations use the personal adjustment feature to af fect decompression calculations or reduce the PO setting to affect oxygen exposure WARNING SET THE CORRECT ALTITUDE ADJUSTMENT MODE When diving at altitudes greater than 300 m 1000 ft the Altitude Adjustment 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 planning data WARNING SET THE CORRECT PERSONAL ADJUSTMENT MODE When ever it is believed that factors that tend to increase the possibility of DCI exist it is recommended that you use this option to make the calculations more conservative Failure to select the correct Personal Adjustment setting will result in erroneous dive and planning data NOTE It is not possible to change between Air Nitrox and Gauge modes before the instrument has counted down the no flying time There is one exception to this You can change from Air to Nitrox mode even during the no flying time When planning both air and nitrox dives during the same dive series you should set the instrument in Nitrox mode and modify the gas mix accordingly In Gauge mode the no flying time is always 48 hours TABLE OF CONTENTS
33. 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 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 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 6 2 NO DECOMPRESSION TIME LIMITS MIN FOR VARI OUS DEPTHS FT FOR THE FIRST DIVE OF A SERIES Personal Mode Altitude Mode Depth ttl PO AO PO A1 P0 A2 P1 A0 P1 A1 P1 A2 P2 A0 P2 A1 P2 A2 A 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 51 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 90 22 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 T 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 ALTITUDE DIVING The atmospheric pressure is lower at high altitudes than at sea level After traveling to a higher altitude the diver will have additional nitrogen in his body compared to the equilibrium situation at the original altitude This additional nitrogen is released gradually in time and equilibrium is reached It is recommended that you acclimate to the new altitude by waiting at least three hours before making a dive 65 Before high a
34. 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 into the unit at the factory NOTE Low temperature or an internal oxidation of the battery may cause the battery warning even though the battery has enough capacity In this case the warning usually disappears when the Dive Mode is activated again 7 WARRANTY NOTE The warranty arrangements are different in different countries The dive computer packaging contains information regarding the war ranty benefits and requirements applicable to your purchase This Suunto dive computer is warranted against defects in workmanship and materials for a period of two years after purchase to the original owner subject to and in accordance with the terms and conditions set forth below The dive computer should be serviced or repaired only by an authorized Suunto dealer or distributor This warranty does not cover damage to the product resulting from im proper usage improper maintenance neglect of care alteration or un authorized repair This warranty will automatically become void if proper preventive maintenance procedures have not been followed as outlined in the use and care instructions for this product If a claim under this or any other warran
35. EN SUUNTO VYTEC DS INSTRUCTION MANUAL SUUNTO REPLACING LUCK AGIND 3DN344444a DINDO pusosap enjea eseaisep uonn8g 019S pu ose anjea aseasoul uong 0199 uong sAejdsip ayeus yy uong ued Sio eoIpul Joyeolpu UO uoyng IIo19S unejy uid q ui L AIq l eq 10 e94pu uoIssiWsUe dH SS J1IAA Aeq yuon Sul xal polN aw N Aeq 3 A ainyesodwa Buren H peg Mo7 ainssald JapuljAD 10 e91pUu uoyng yews suonesado apo yams Sed poN juswysnipy spnyniy qsIpoeg uoleanoy pOoN Xoy Ul 65e u o21 q UBHAXO uonng pews aul Jeu ny Bululeway uul dols Ajeyes uoo A 4 JON oq uull Ju 5svy 2 OL uuIl uolss iduuo3 q oN awl Bu d ON awl eAJa u 9ejunS Aejdsiq awl jueung uojoes4 wu UaBAXO awl woog pawNnsuoy Joyeo1pu apo tudeig jeg doyeoipuy abe yoogbo7 Joyeo1pul somo Auayeg g joquiks uonuapy 19 10 Joyeolpu ayey JUaosyy lt udeio seg F joquiks ysewyo0g MOIS UIE U29SY se IUJeM 1 y ise4 1 juno AIq u d q lu s id Joyeaipuy doyg Ajayes Buiwen dols Ajayes Joyeo pul Wd AV A pu os q INN Y p pu wwov y u osv ainssaid jelweq uabAxQ auoz doig Ajajeg Auoyepue yoogbo7 u d q abeseny Y udag Bulag au ye dos uoiss iduio5 q ud q dojs Ajayeg Asoyepueyy A SMOMIY dojs uoliss iduuo5 q uo uld q Bulill S ujdeg wnuwixey DEFINITION OF WARNINGS CAUTIONS AND NOTES Throughout this manual special references are
36. END 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 and an upward point ing arrow indicate that you are below the floor Fig 3 16 You should start your ascent im mediately The ceiling depth is shown on the right top corner and the minimum total ascent time on the right side of the center window DISPLAY ABOVE THE FLOOR When you ascend above the floor the ASC TIME display stops blinking and the upward pointing arrow disappears Fig 3 17 Decom pression will now begin but is very slow You should therefore continue your ascent DISPLAY AT THE CEILING ZONE When you reach the ceiling zone the display will show you two arrows pointing at each other the hour glass icon Fig 3 18 Do not as cend above this zone 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 decompression stop and any Mandatory Safety Stop has been complet ed You are advised however to stay until the STOP sign has also gone This indicates that the three minute Recommended Safety Stop has also been completed Fig 3 15 Violated Mandatory Safety Stop Downward pointing arrow and an audible a
37. H i Z TU ULI a O q lt Fig 2 1 Time keeping display Pressing PLAN or TIME button activates display AEI iie s 3 The SMART button k si SET SiM mg x 13 ThePLAN TIMEand SCROLL buttons lt g Sy Fig 2 2 Push buttons of the dive computer Fig 2 3 Depth sensor A water data transfer contacts B 11 Press the SMART MODE button To activate the dive computer To change from the Surface Mode to the menu based modes To select confirm or quit a submode short press To immediately exit any submode to the Surface Mode long press e To activate 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 To activate the gas change mode during a dive hold down the mode button for more than two 2 seconds Press the arrow up scroll PLAN button To activate the timekeeping display if the display is blank To activate the Dive Planning in the Surface Mode To make a special bookmark in the profile memory during a dive To scroll up the options A increase Press the arrow down scroll ALTER button To activate the timekeeping display if the display is blank To activate the alternative display s To scroll down the options Y decrease The dive computer is controlled with the SMART MODE On Backlight Select OK Quit and the A PLAN a
38. WARNINGSI uuu sees a E EEEE KEE EET E EER 2 1 INTRODUCTION 1 1 SAFETY PRECAUTIONS 9 1 1 1 Emergency Ascents 9 1 1 2 Dive Computer Limitations 210 4 AES NIOR 2 u u eds a una 10 2 GETTING ACQUAINTED 10 2 1 FUNCTIONS 10 2 2 PUSH BUTTONS wall 2 3 WATER CONTACTS u au 12 2 4 WIRELESS PRESSURE TRANSMISSION za 1S 2 4 1 Installing the transmitter al 2 4 2 Pairing and code selection 2 4 3 Transmission data 3 DIVING WITH THE VYTEC 3 1 BEFORE DIVING 3 1 1 Activation and Prechecks 3 1 2 Battery indication a18 3 1 2 1 Battery Power Indicator 3 1 2 2 Wireless transmitter battery indicator 3 1 3 Dive Planning PLAN re 3 1 4 User Definable Functions and Alarms 21 3 2 SAFETY STOPS rn n tose tial Acted Cina eine EE 3 2 1 Recommended Safety Stop st 3 2 2 Mandatory Safety Stop rasce u u una an Ales 3 2 3 Deep Stop Sire asop eere vesecyavezeseeadcceds seve eea RE 3 3 DIVING IN AIR MODE 3 31 Basic Dive sess dees ance ee e reae aa i eaan rT E ees 33 2 BOOKMARK a a nu n a L LA a aa aa e a ANa i E 3 3 3 Cylinder Pressure Data a 3 3 4 Consumed Bottom Time CBT 25 3 3 5 Ascent Rate Indicator
39. YOU SHOULD ASCEND AND BEGIN DECOM PRESSION IMMEDIATELY WHEN THE DIVE COMPUTER SHOWS YOU THAT A DECOMPRESSION STOP IS REQUIRED Note the blinking ASC TIME symbol and the upward pointing arrow WARNING USE BACK UP INSTRUMENTS Make sure that you use back up in strumentation including a depth gauge submersible pressure gauge timer or watch and have access to decompression tables whenever diving with the dive computer WARNING PERFORM PRECHECKS Always activate and check the device be fore diving in order to ensure that all Liquid Crystal Display LCD segments are completely displayed that the device has not run out of battery power and that the oxygen altitude and personal adjust ments are correct Also exit the Data Transfer TR PC mode before diving as the computer does not automatically revert to Dive mode from Data Transfer mode WARNING YOU ARE ADVISED TO AVOID FLYING ANY TIME THE COMPUTER COUNTS DOWN THE NO FLYING TIME ALWAYS ACTIVATE THE COMPUTER TO CHECK THE REMAINING NO FLY TIME PRIOR TO FLYING The computer goes into the stand by display automatically 5 minutes after the dive has ended The stand by display shuts off after two hours Flying or traveling to a higher altitude within no fly time can greatly increase the risk of DCI Review the recommendations given by Diver s Alert Network DAN in chapter 3 6 3 Flying After Diving There can never be a flying after diving rule that is guaranteed to complet
40. afety Stop is not com pleted the decompression model will penalize your next dive s 26 3 3 6 Safety Stops and Deep Stops If Deep Stops are not used a 3 minute Recom mended Safety Stop is prompted after every dive to 10m depth fig 3 11 Continuous ascent rate violations will result in Mandatory Safety Stops fig 3 14 When enabled Deep stops are calculated The length of the recommended Deep Stop is indicated in seconds fig 3 15b 3 3 7 Decompression dives When your NO DEC TIME becomes zero your dive becomes a decompression stop dive i e you must perform one or several decompres sion stops on your way to the surface The NO DEC TIME on your display will be replaced by an ASC TIME notation and the maximum depth will be replaced by a CEILING notation and an upward pointing arrow Fig 3 16 If you exceed the no decompression limits on a dive the dive computer will provide decompres sion 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 to de compress within a range of depths Continu ous Decompression The ascent time ASC TIME is the minimum amount of time needed to reach the surface in a decompression dive It includes e the time needed to ascend to the ceiling at an ascent rate of 10 m min 33 ft min plus the time needed at
41. ailure to take action to reduce oxygen exposure after the warning is given can rapidly increase the risk of oxygen toxicity and the risk of injury or death 39 3 8 HIGH ALTITUDE DIVES AND PERSONAL ADJUSTMENT The dive computer can be adjusted both for diving at altitude and also to increase the conservatism of the mathematical nitrogen model 3 8 1 Altitude Adjustment When programming the instrument for the correct altitude you need to select the correct Altitude Mode according to Table 3 4 The dive com puter will adjust its mathematical model according to the entered altitude mode giving shorter no decompression times at higher altitudes see Section 6 1 Operating Principles Table 6 1 and 6 2 TABLE 3 4 ALTITUDE ADJUSTMENT RANGES Altitude Symbol Altitude mode on display range AO wr 0 300m 0 1000 ft A1 A 300 1500 m 1000 5000 ft A2 A 1500 3000 m 5000 10000 ft The entered Altitude Adjustment Mode is indicated by mountain symbols AO A1 one mountain or A2 two mountains Section 4 3 1 1 Al titude Adjustment and Personal Adjustment Setting describes how the Altitude Mode is adjusted Traveling to a higher elevation can temporarily cause a change in the equilibrium of dissolved nitrogen in the body It is recommended that you acclimate to the new altitude by waiting at least three hours before making a dive 3 8 2 Personal Adjustment There are adverse personal fac
42. al Sur face time display Pressing TIME button once will show surface time display E ra A BE N 3 I ES 1s Ci x lea aO 1 cy c3 J q El ARD Ht mu Dae Ea TIME A Fig 3 31 Surface interval no flying time Pressing TIME button twice will show no flying time indicated by an airplane symbol Fig 3 32 Surface Mode after a violated decom pres sion dive Er symbol indi cates that you have violated the ceiling for more than three minutes You must not dive again for at least 48 hours 36 Or when the TIME button is pressed once or twice the current time shown as TIME instead of the DIVE TIME the current temperature with C for Centigrade or F for Fahrenheit the surface time in hours and minutes separated by a colon telling the duration of the present surface interval Fig 3 30 the desaturation no flying time in hours and minutes is shown next to the airplane in the center window of the display Fig 3 31 If set to Nitrox mode the following information will also be shown the oxygen percentage labeled with O is shown on the left side of the center window the current oxygen toxicity exposure shown with an Oxygen Limit Fraction OLF bar graph along the left side of the display 3 6 2 Dive Numbering Several repetitive dives are considered to be long to the same repetitive dive series when the dive computer has not co
43. apter 3 6 that the diver extend the surface interval 6 3 OXYGEN EXPOSURE The oxygen exposure calculations are based on currently accepted expo sure time limit tables and principles In addition to this the dive computer uses several methods to conservatively estimate the oxygen exposure These include for example the displayed oxygen exposure calculations are upped to the next higher percentage value for recreational scuba diving the recommended upper limit of 1 4 bar PO is used as a default the CNS limits up to 1 6 bar are based on 1991 NOAA Diving Manual limits the OTU monitoring is based on the long term daily tolerance level and the recovery rate is reduced Oxygen related information displayed by the dive computer is also de signed to ensure all warnings and displays in the appropriate phases of a dive E g the following information will be shown before and during a dive when the computer is set in Nitrox mode the selected O the color coded OLF bar graph for either CNS or OTU e audible alarms are given and the OLF bar graph starts to blink when the 80 and 100 limits are exceeded 67 the blinking of the bar graph stops when the PO is below 0 5 bar audible alarms are given and the actual PO value blinks when it exceeds the preset limit in dive planning the maximum depth according to the O and maximum PO selected 6 4 TECHNICAL SPECIFICATION Dimensions and weight Vytec Diamet
44. 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 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 It is better to press down the lid down one side first this minimizes entrapped air and it is thus easier to hold down the lid Make 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 it s timekeeping mode and show time 18 00 6 00 PM and date SA 01 01 Activate the instru ment Check that All display segments work The low battery warning is off The buzzer beeps and backlight works All the settings are correct Reset if necessary Install the dive computer back into the console or boot and reas semble the strap The instrument is now ready for use Wrist model Assembling into the boot First insert the longer strap in it
45. brush Sometimes it might be necessary to remove the instrument from the protective boot for cleaning 5 2 CARE OF YOUR DIVE COMPUTER NEVER try to open the case of the dive computer Service your dive computer 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 biennial service Do not attempt to do any service that you are not sure about how to do Should moisture appear inside the case or battery compartment have the instrument checked immediately by your SUUNTO dealer or distributor Should you detect scratches cracks or other such flaws on the display that may impair its durability have it replaced immediately by your SUUNTO dealer or distributor e Check the spring bars holding the strap and the buckle for flaws If the flexibility of the spring bars has reduced have them replaced immediately by your SUUNTO dealer or distributor Wash and rinse the unit in fresh water after every use 57 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 adhesive age
46. d ed for recreational use only The demands of commercial or profes sional diving may expose the diver to depths and exposures that tend to increase the risk of decompression illness DCI Therefore Suunto strongly recommends that the device be not used for commercial or professional diving activity WARNING ONLY DIVERS TRAINED IN THE 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 diver to commit errors that may lead to serious injury or death WARNING THERE IS ALWAYS A RISK OF DECOMPRESSION ILLNESS DCI FOR ANY DIVE PROFILE EVEN IF YOU FOLLOW THE DIVE PLAN PRESCRIBED BY DIVE TABLES ORA DIVE COMPUTER NO PRO CEDURE DIVE COMPUTER OR DIVE TABLE WILL PREVENT THE POSSIBILITY OF DCI OR OXYGEN TOXICITY An individual s physi ological 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 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 0 AND A MAXIMUM PO OF 1 4 BAR WARNING DIVES WITH REQUIRED DECOMPRESSION STOPS ARE NOT RECOMMENDED
47. d dive time is 16 minutes en ike n 3 2 2 Mandatory Safety Stop When the ascent rate exceeds 12 meters min 40 ft momentarily or 10 meters min 33ft con tinuously the micro bubble build up is predicted to be more than allowed for in the decompres sion model The Suunto RGBM calculation model responds to this by adding a Mandatory Safety Stop to the dive The time of this Manda tory Safety Stop will depend on the severity of the ascent rate excess The STOP sign will appear in the display and when you reach the depth zone between 6 m to 3 m 20 ft to 10 also the CEILING label ceiling depth and the calculated Safety Stop time appear in the display You should wait until the Mandatory Safety Stop warning disappears Fig 3 14 The Mandatory Safety Stop time always in cludes the three minute Recommended Safety Stop time The total length of the Mandatory Safety Stop time depends on the seriousness of the ascent rate violation 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 Fig 3 15 You should immediately descend to or below the Mandatory Safety Stop ceiling depth If you correct this situation at any time during that dive there are no affects on the decompression cal culations for future dives If you continue to violate the Mandatory Safety St
48. d in the MODE SET SET PREF MODEL submode see section 4 3 Set Modes 3 3 1 Basic Dive Data The dive computer will remain in the Surface mode at depths less than 1 2 m 4 feet At depths greater than 1 2 m the instrument will go into the Diving mode Fig 3 7 All information on the display is labeled Fig 3 7 and 3 8 During a no decompression stop dive the following information will be displayed your present depth in meters ft the maximum depth during this dive in meters ft indicated as MAX 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 It is calculated based on the five factors described in section 6 1 Operating Principles the water in temperature in C F in the lower left corner the elapsed dive time in minutes shown as DIVE TIME in the lower right corner the Altitude Adjustment setting on the left side of the center window with a wave and mountain symbols AO A1 or A2 see Table 3 4 23 Eng SET SM m Tir T aT Tue x IB cH bar DVETNE 4 w w Fig 3 10 Bookmark activation An annotation Bookmark is placed in the profile memory during a dive by pressing PLAN button Note the Logbook symbol Fig 3 11 A three minute Recommended Safety Stop ER A wae g R E ia 738 k F L 4 3 dd 199 FO ay YA BY DIVE TIME OW Fig 3 12 Cylind
49. dive which permits a direct uninterrupted ascent to the surface at any time Abbreviation for no decompression time limit Abbreviation for Oxygen Enriched Air Nitrox Abbreviation for Oxygen Limit Fraction Abbreviation for Oxygen Tolerance Unit Is used to measure the Whole Body Toxicity Aterm used by SUUNTO for the values displayed in the Oxygen Toxicity bargraph The value is either the CNS or the OTU 77 0 Oxygen partial pressure PO 2 RGBM Oxygen percentage or oxygen fraction in the breathing gas Standard air has 21 oxygen Limits the maximum depth to which the used Nitrox mixture can safely be 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 have the risk for immediate oxygen toxicity Abbreviation for oxygen partial pressure Abbreviation for Reduced Gradient Bubble Model Reduced Gradient Bubble Model Repetitive dive Residual nitrogen SURF TIME Surface interval time 78 Modern algorithm for tracking both dissolved and free gas in divers Any dive whose decompression time limits are affected by residual nitrogen absorbed during previous dives The amount of excess nitrogen remaining in a diver after one or more dives Abbreviation for surface interval time Elapsed time between surfacing from a dive and beginning a descent for the subsequent repetitive dive Tissue g
50. 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 and operate the dive computer sensibly it is very unlikely you will ever put the instrument into the Error Mode OMITTED DECOMPRESSION The Error Mode results from omitted decompression i e 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 will enter a permanent Error Mode The instrument will continue to function normally if you descend below the ceiling within this three minute period Once in the permanent Error Mode only the ER warning is shown in the center window The dive computer will not show times for ascent or stops However all the other displays will function as before to provide information for ascent You should 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 will be displayed in the center window and the Planning Mode will be disabled 42 4 MENU BASED MODES To make yourself familiar with the menu based functions please use your Quick Reference Guide supplied with the Vytec together with the information in this chapter The main menu based functions are
51. e unit must be checked after replacement of the battery or after other service operations The check requires special equipment and training You must frequently check the transparent battery compartment cover and the display for any sign of leaks If you find moisture inside your dive 58 computer there is a leak Aleak must be corrected without delay as mois ture will seriously damage the unit even beyond repair SUUNTO does not take any responsibility for damage caused by moisture in the dive computer if the instructions of this manual are not carefully followed In case of a leak immediately take the dive computer to an authorized SUUNTO dealer or distributor 5 5 BATTERY REPLACEMENT 5 5 1 Computer battery NOTE Itis advisable to contact an authorized Suunto dealer for bat tery replacement It is imperative that the change is made in a proper manner to avoid any leakage of water into the battery compartment or computer CAUTION Defects caused by improper battery installation are not covered by the warranty CAUTION When the battery is changed all nitrogen and oxygen uptake data is lost Therefore the no flying time shown by the computer should have reached zero or you must wait for 48 hours or preferably even 100 hours between dives before you may dive again All history and profile data as well as the altitude personal and alarm set tings will remain in the dive computer memory after the battery change How
52. ely prevent decompression illness WARNING 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 the user If it is left on the surface during any dive it will give inaccurate information for subsequent dives No dive computer can take into ac count 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 WARNING DO NOT EXPOSE THE VYTEC S OPTIONAL PRESSURE TRANS MITTER TO ANY GAS MIX CONTAINING MORE THAN 40 OXYGEN Enriched air with greater oxygen content presents a risk of fire or explosion and serious injury or death WARNING DO NOT DIVE WITH A CYLINDER OF ENRICHED AIR IF YOU HAVE NOT PERSONALLY VERIFIED ITS CONTENTS AND ENTERED THE ANALYZED VALUE INTO YOUR DIVE COMPUTER Failure to verify cylinder contents and enter the appropriate O into your dive computer will result in incorrect dive planning information WARNING THE DIVE COMPUTER WILL NOT ACCEPT FRACTIONAL PER CENTAGE VALUES OF OXYGEN CONCENTRATION DO NOT ROUND UP FRACTIONAL PERCENTAGES For example 31 8 oxygen should be entered as 31 Rounding up will cause nitrogen percentages to be understated and will affect decompression calcu lations If there is a desire
53. emain when the battery is changed assuming that the replacement has been done according to the instructions SS bv 2 EI mIn Gl I Fede Fo O vi BO DUE x a 7v w ew Fig 4 11 Logbook page Press SMART Select button once to be able to scroll between different dives Fig 4 12 Logbook end of the memory END text is displayed between oldest and the most recent dive Fig 4 13 Dive History Memory Mode 2 HISTORY 47 lt mas bv F a Jz i a az O E oraa JA COo S Fig 4 14 Dive History information Total number of dives dive hours and maximum depth Fig 4 15 Data Transfer mode 3 TR PC r m k O s B x SET SIM m nei le BS 4 K s gt gt Fig 4 16 Dive Simulation options 2 SIMUL 48 DIVE PROFILE MEMORY PROF The scrolling of the profile will start automati cally when the Logbook page IV PROF is entered With the default setting the dive profile is re corded 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 NOTE Several repetitive dives are consid ered to belong to the same repetitive dive se ries if the no flying time has not ended See Dive Numbering in section 3 6 2 for further information 4 1 2 Dive History Me
54. er 61mm 2 4in Thickness 28mm 1 1in Weight 68g 2 4 oz Transmitter Max diameter 40 mm 1 57 in Length 80mm 3 15 in Weight 118g 4 16 oz Rated working pressure 300 bar 4000 psi maximum allowed pressure 360 bar 5000 psi Display resolution 1 bar 1 psi Depth Gauge Temperature compensated pressure sensor Salt water calibrated in fresh water the readings are about 3 smaller calibrated complying with prEN 13319 Maximum depth of operation 80 m 262 ft complying with prEN 13319 Accuracy 1 of full scale or better from 0 to 80 m 262 ft at 20 C 68 F complying with prEN 13319 Depth display range 0 150 m 492 ft Resolution 0 1 m from 0 to 100 m 1 ft from 0 to 328 ft Temperature display Resolution 1 C 1 5 F Display range 9 50 C 9 122 F Accuracy 2 C 3 6 F within 20 minutes of temperature change Calendar Clock 68 Accuracy 25 s month at 20 C 68 F 12 24 h display 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 Airtime 0 to 99 min after 99 Displays only in Nitrox mode Oxygen 21 99 Oxygen partial pressure display
55. er pres sure warnings Pressure has dropped below 50 bar 725 psi Pressure dis play is blinking and there is an audible alarm 24 the Personal Adjustment setting on the left side of the center window with a diver symbol and signs PO P1 or P2 see Table 3 5 the DiverAttention Symbol if attenuated RGBM has been set see Table 3 3 e blinking Diver Attention Symbol if surface interval should be prolonged see Table 3 3 In addition with the optional wireless transmis sion enabled e the Remaining Air time in the left center window the cylinder pressure in bar or psi displayed in the lower left corner Alternative displays by pressing the TIME but ton Fig 3 9 the current time shown as TIME the water temperature in C F NOTE In Dive Mode the alternative display switch es back to the main display after 5 seconds 3 3 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 profile 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 Fig 3 10 3 3 3 Cylinder Pressure Data When using the optional wireless pressure transmitter the pressure of your scuba cylinder in bars psi will be shown digitally in the lower left corner of the dis
56. ersonal calendar that you can use to mark personal events and other useful information Communities In the Communities section SuuntoSports com users can form or search groups and manage their own groups For example you can create a group for all your diving friends and share information about each other s trips give advice and discuss where and when you could go diving to gether Groups can be either open or closed closed groups mean that you have to apply for a membership and be accepted before you can participate in group activities 73 All groups have a home page that displays information about group events and includes news noticeboard and other information Group members can also use group specific bulletin boards chat rooms and group calendars and add links and create group activities Sport Forums SuuntoSports com has its own forum for each Suunto sport The basic features and functions are the same for all sport forums sport specific news bulletin boards and chat rooms Users can also suggest links to sports related sites and tips regarding the sport and equipment to be published on the site or publish their own travel reports Sport forums include presentations of the resorts that are related to the sport Users can rank the resorts with comments and the results are published next to the resort information A ranking list can also be created for other things for example where are the best diving sites what
57. essure meet the requirements set in the section of the European Standard EN 250 that concern cylinder pressure meas urements The instruments must be serviced by an authorized dealer every second year or after 200 dives whichever comes first PrEN 13319 PrEN 13319 Diving accessories Depth gauges and combined depth and time measuring devices Functional and safety requirements test methods is a European diving depth gauge standard draft The VYTEC is designed to comply with this draft standard ISO 9001 SUUNTO Oy s Quality Assurance System is certified by Det Norske Veritas to be according to the ISO 9001 in all SUUNTO Oy s operations Quality Certificate No 96 HEL AQ 220 SUUNTO Oy does not assume any responsibility for losses or claims by third parties which may arise through the use of this device Due to continuous product development the VYTEC is subject to change without notice WARNING READ THIS MANUAL Carefully read this instruction manual in its entirety paying close attention to all warnings listed below including section 1 1 Safety Precautions Make sure that you fully understand the use displays and limitations of the dive computer because any confusion resulting from neglecting to follow this instruction manual or from improper use of this device may cause a diver to commit errors that may lead to serious injury or death WARNING NOT FOR PROFESSIONAL USE Suunto dive computers are inten
58. ever the clock time and time alarm setting is lost In the NITROX Mode the Nitrox settings are also reverted back to default settings MIX1 21 O 1 4 bar PO MIX2 MIX3 off When working with the battery compartment cleanliness is extremely important Even the smallest dirt particles may cause a leakage when you dive BATTERY KIT The battery kit includes a 3 0 V coin type lithium cell battery and a lubri cated 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 59 TOOLS REQUIRED A flat 1 5 mm screwdriver or a special tool for spring bars K5857 Soft cloth for cleaning Needlenose pliers or large screwdriver for turning securing ring BATTERY REPLACEMENT The battery and the buzzer are located in the back of the instrument in a separate compartment the parts of which are shown in Fig 5 1 To change the battery follow the procedure below 1 Remove the computer from the console or boot Wrist model 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 removing 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
59. f decompression illness by reducing the nitrogen content in the breathing gas mix However when the gas mix is altered the oxygen content of the mix is generally increased This increase exposes the diver to an oxygen toxicity risk not usually considered in recreational diving In order to manage this risk the dive computer tracks the time and intensity of the oxygen exposure and provides the diver with information to adjust the dive plan in order to maintain oxygen exposure within reasonably safe limits In addition to the physiological effects of enriched air on the body there are operational considerations to be addressed when handling altered breathing mixes Elevated concentrations of oxygen present a fire or explosion hazard Consult with the manufacturer of your equipment in regards to its compatibility with nitrox 2 GETTING ACQUAINTED 2 1 FUNCTIONS The Suunto VYTEC can be set to function as a regular air dive computer a nitrox dive computer or as a depth gauge with timer mode The VYTEC multipurpose dive computer is an air integrated computer featuring 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 18 menu based submodes review separate Quick Reference Guide 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 indicate the
60. group has most members who has uploaded most logs and so on 8 3 GETTING STARTED To join the SuuntoSports com community connect to the Internet open your web browser and go to www suuntosports com When the opening page appears click the Register icon and register yourself and your Su unto sports instrument You can change and update your personal and equipment profiles in My Suunto section afterwards After the registration you will automatically enter the SuuntoSports com home page that introduces the site structure and functional principles Note SuuntoSports com is continuously developed further and its content is subject to change 74 9 GLOSSARY Air Time Altitude dive Ascent rate ASC RATE Ascent time ASC TIME Ceiling Ceiling Zone CNS The amount of dive time remaining based on a calculation of cylinder pressure and ambient pressure and present air consump tion 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 decompression stop dive Abbreviation for ascent time On a decompression stop dive the shallow est depth to which a diver may ascend based on computer 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 the two
61. grouped under 1 memory 2 dive simulation and 3 setting modes THE USE OF THE MENU BASED FUNCTIONS 1 Activate the menu based modes by press ing once the SMART MODE button in the Dive Mode Fig 4 1 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 Fig 4 2 _ 4 4 Press the SMART Select button once to select the desired option Scroll the submode options by pressing the arrow up down buttons When scroll ing 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 simulate a dive or make desired settings use the the arrow up down buttons The SMART button is used to Quit or to confirm the set tings OK If you do not press any of the buttons for 5 minutes while in a Menu based mode the in strument beeps and returns to the timekeeping display In the Simulation Mode however the equivalent time is 60 minutes F q 2 R s ve a o P O So k 3 ME 3 FUL MODE oan Fig 4 1 Main menu based Mode options 3 MODE E Fig 4 2 Memory option 1 MEMORY DY pp SE ST 2 tat N ru SET SIM m w ng Fig 4 3 Simulati
62. he Gauge mode it is not possible to change between the modes within 48 hours 3 6 AT THE SURFACE 3 6 1 Surface Interval An ascent to any depth shallower than 1 2 m 4 ft will cause the DIVING display to be replaced by the SURFACE display giving the following information Fig 3 29 maximum depth of last dive in me ters ft present depth in meters ft no flying warning indicated by an air plane icon Table 3 3 Altitude Adjustment setting Personal Adjustment setting e Diver attention symbol indicates attenuated RGBM model has been set e Flashing Diver attention symbol indicates surface interval time should be prolonged Table 3 3 STOP label for 5 min if the Mandatory Safety Stop was violated Er if the decompression ceiling was violated Error Mode Fig 3 32 Table 3 3 Cylinder pressure in bars psi if on if off temperature is shown dive time of last dive in minutes shown as DIVE TIME SET SIM m eo jetties hg Fig 3 28 Diving in Gauge mode Current dive time is 30 minutes 21 seconds Fig 3 29 Surface dis play You have surfaced from a 18 minute dive which maximum depth was 20 0 m 66 ft The present depth is 0 0 m 0 ft Airplane symbol indicates that you should not fly and blinking Diver Attention Symbol indicates that you should prolong your surface interval time because of excess micro bubbles 35 Fig 3 30 Surface interv
63. hrough its ability to adapt to a variety of situations and dive profiles The Suunto Vytec allows the user to choose between a traditional Rec ommended Safety Stop and Deep Stops Deep Stops are decompres sion stops that occur deeper than traditional stops with the purpose of minimizing microbubble formation 8 In order to optimize how to respond to different added risk situations an additional category of stop referred to as a Mandatory Safety Stop has been introduced Also a countdown for the Recommended Safety Stop is included The combination of stop types will depend on the specific dive situation To get the most from the safety benefits be sure to read the summary of the Reduced 1 1 SAFETY PRECAUTIONS Do not attempt to use the dive computer without reading this instruction manual 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 the dive computer is an outstanding tool for assisting properly trained certified divers in planning and executing sport dives It is NOT A SUBSTITUTE FOR CERTIFIED SCUBA INSTRUCTION including training in the principles of decompression Diving with enriched air mixtures nitrox exposes the user to risk
64. ions for using them from the site Help The Help is available on each page and its icon is located on the right side of the bar dividing the screen The Help is frequently updated as the site develops SuuntoSports com offers several possibilities for searching the informa tion on site In addition to the free search you can search for example for groups users resorts logs and sports The information published on the SuuntoSports com contains internal links so that you do not always have to search for the information from the very beginning For example if you view a description of a resort you can follow the links and view the resort information sender s personal information logs related to the resort and charts created from the logs if the sender has agreed to this information being made public My Suunto The My Suunto section of the site is meant for your personal information You can store information about yourself your wristop computer your sporting and training activities etc When you upload your personal logs to SuuntoSports com they are displayed in your personal information Here you can also manage them and decide if they can be presented to all other community users or just to limited groups When you have uploaded logs to SuuntoSports com you can create charts from the dive related data in the logs You can also publish your logs and compare them with other users logs The My Suunto section also contains a p
65. is the shallowest depth to which you should ascend when in decompression At this depth or below you must perform all stops The ceiling zone is the optimum decompression stop zone It is the zone between the minimum ceiling and 1 8 m 6 ft below the minimum ceiling The floor is the deepest depth at which the decompression stop time will not increase 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 The depth of the ceiling and floor will depend 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 this case it will be more manageable to maintain an additional distance below the ceiling to make sure that the waves do not 28 lift you above the ceiling Suunto recommends 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 ceil ing than at the ceiling WARNING NEVERASC
66. ith wireless trans mission always ensure that all divers are on different codes before starting the dive 14 The selected transmission code can later be verified via the alternative display by pressing the TIME button twice If needed the stored m code can be manually erased in this display by pressing the PLAN up button and then pressing MODE select The Vytec will now erase the stored code and start displaying Q SETC allowing a new pairing with the trans ORY ac i mitter ad Mo The alternative display showing the select n ed code reverts to the main display after 15 o ss eee seconds in order to avoid accidental code OWO K changes i i O The user can manually change the transmit i 7 L Rn 7s ters code by reducing the pressure to less than GK overt eg 10 bar 145 psi and then immediately within OW a 10 12s increasing the pressure above 15 bar i 220 psi The transmitter will now select a new ir T Ss code The wrist unit must be in SETC mode to L HB wert pair on the new code This procedure can be OW used e g if your dive buddy has the same code SH 1 and you need to change the code at 1O i EE i a NOTE In order to save battery energy the N GEF Lue transmitter shuts off if the pressure remains wy unchanged for more than 5 minutes and it will continue transmitting with the saved code when any pressure change is measured Fig 2 6 Pressure
67. l DCI microbubble reduction ascent control and orientation before surfacing The Vytec 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 m 6 m 10 ft 20 ft Recommended Safety Stop Countdown STOP CEILING label when in the depth range 3 m 6 m 10 ft 20 ft Mandatory Safety Stop Time display STOP label when deeper than 6 m Mandatory Safety Stop scheduled 3 2 1 Recommended Safety Stop With every dive over 10 meters the instrument has a three minute count down for the recommended safety stop to be taken in the 3 6 meter 10 ft 20 ft range This is shown with the STOP sign and a three minute countdown in the center window instead of the no decompression time Fig 3 11 The Recommended Safety Stop as the name implies is recommended If it is ignored there is no penalty applied to the following surface inter vals and dives 21 ams METE m Di Ga 4 bt Q NODECTINE J __ i gon fi j acon x far ove TIME lt Fig 3 7 Dive has just begun and no air time is shown First estimate of remaining air time will be shown after 30 60 seconds J 24 Fig 3 8 Diving display Pres ent depth is 19 3 m 63 ft and no decompression stop time limit is 23 minutes in AO P1 mode Maximum depth during this dive was 19 8 m 65 ft elapse
68. larm indi cate you should descend to ceiling zone PES E AEE EHEN cheg 59 o iA in Ea aG Gl Fig 3 15b Deepstop Arrows indicate you are at the deep stop depth There is 59 seconds left to complete the deepstop 29 Fig 3 16 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 ft Fig 3 17 Decompression dive above floor Upward pointing arrow has disap peared and ASC TIME label has stopped blinking which means that you are in the decompression range Fig 3 18 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 acti vates alternative display 30 DISPLAY ABOVE THE CEILING If you ascend above the ceiling during a de compression stop a downward pointing arrow will appear and a continuous beeping starts Fig 3 19 In addition an error warning Er reminds you that you have only three minutes to correct the situation You must immediately descend to or below the ceiling If you continue to violate the decompression the dive computer goes 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
69. le silent bubble build up Incorporating consistency with real physical laws for gas kinetics Suunto RGBM Adaptive decompression The SUUNTO RGBM algorithm adapts its predictions of both the effects of micro bubble build up and adverse dive profiles in the current dive series It will also change these calculations according to the personal adjustment you select The pattern and speed of decompression at the surface is adjusted according to micro bubble influence 66 Also on repetitive dives adjustment may be applied to the maximum al lowable nitrogen overpressure in each theoretical tissue group Depending on circumstances Suunto RGBM will adapt the decompres sion obligations by doing any or all of the following 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 If attenuated RGBM RGB50 has been set the Diver Attention Symbol will also be shown to indicate it Some patterns of diving cumulatively add a higher risk of DCI e g dives with short surface intervals repetitive dives deeper than earlier ones multiple ascents substantial multiday diving When this is detected in ad dition to adapting the decompression algorithm the Suunto RGBM model will in some circumstances also advise with the Diver Attention Symbol review ch
70. lt v dosdesq A A Geo w Qe ai a w ra i eq 902 01 509 08 po osade awe fave Odi o mol i sen ETERN ne NS J ps aye Sites Waou Gm E fF ED sunoy weak smn JALIN Zd td 0d O lt ee ee ps oy CA c euosi d WaV1v p Z IHLdO XVI lt w gt Wd WV ut JBouo yO REJE 3B aw GE a v gt lt aw ma Jows yh OW x gt EEE ava pv z oa ounuo SLINNz LdH ose p i pmnv ONO ENIN 1uBipioeq XON LIN HIV Fa v gt Gino 44O NO Z XIN INIL pv L Lino Wav 1 Gino 7 i L XIN CECH 3GON PY L a y BEE aw 1HOM pd SNOILdO ING 13S H S XONIIN r SNOILdO AWIL 13S SPTE TIE abed CTO _ Z u Nd MD T 36ed ino OND MANUS ujdep se 15 p w uld p esee oul I ee z obed EA a eae p gt SUUNVId INNIS lt lt F abed fd O373S gt abed apeg pu Go GEIEN aon g EREN Say apow evens lt J lt P N Stave we Lead iL uoneinuis ani Saynur jenu sunoy peaaju at E ANOS c GEES Gos ORTS PEV bkal EE 3NA ma x C seoueup43ud Gnd gt 4008907 L LIND Od YL 3AIGNIS L no NVTdNWIS Z 4135S L IAS aVw Ay A SNOILdO ANOWAW SNOILdO YORETINNIS Z SNOI1LdO LAS EREE TANIS Z GIES AYOWSW Gino 4ase Gos A O SNOILdO AGOW AT Keldsiq eaneusey Arowaw jyosd y s ejds g aaneweyy Uel Aejdsip Buid y un y ayeanoy X 4 ul yewyoog 4 pg In 4 Aejdsip AO palm ON a OMO bneb y OO SZ lt SQOW 39NVHOXIN oE Lixonu
71. ltitude diving the instrument must be set to the Altitude Adjustment mode to adjust the calculations for the new altitude The maximum partial pressures of nitrogen allowed by 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 SURFACE INTERVALS The dive computer requires a minimum surface interval of 5 minutes between dives If a surface interval is shorter than 5 minutes the next dive is treated as a continuation of the previous dive 6 2 SUUNTO REDUCED GRADIENT BUBBLE MODEL RGBM The Suunto Reduced Gradient Bubble Model RGBM is a modern algo rithm for predicting both dissolved and free gas in the tissues and blood of divers It was developed in a 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 ad ditional safety through its ability to adapt to a wide variety of situations Suunto RGBM addresses a number of diving circumstances outside the range of just dissolved gas models by Monitoring continuous multiday diving e Computing closely spaced repetitive diving Reacting to a dive deeper than the previous dive Adapting for rapid ascents which produce high micro bubb
72. mory 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 Fig 4 13 The following information will be shown on the display Fig 4 14 the maximum depth ever reached the total accumulated dive time in hours the total number of dives 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 optional PC Interface unit and Suunto Dive Manager software 4 1 3 Data Transfer and PC Interface 3 TR PC The instrument can be connected to an IBM compatible personal com puter PC using the optional PC Interface and software With the PC Interface unit dive data from the dive computer can be downloaded to a PC The PC software can be used for educational and demonstration purposes for planning dives and for keeping a complete record of your dive history with the instrument Additional Logbook data can also be added Paper copies of your dive log and profiles can easily be printed The data transfer is carried out using the connector on the bottom of the unit The following data is transferred to the PC depth profile of the dive dive time preceding surface interval time dive number Altitude and Personal adjustment settings oxyge
73. n percentage settings and maximum OLF in Nitrox mode tissue calculation data temperature at the beginning of the dive maximum depth and end of the dive dive entry time year month day and time additional dive information e g SLOW and Mandatory Safety Stop violations Diver Attention Symbol Bookmark Surfaced Mark Decompression Stop Mark Ceiling Error Mark gas change dive computer serial number personal 30 character information cylinder pressure at the beginning and at the end of the dive i e pressure drop DP during dive surface air consumption Using the PC software you are able to enter setup options such as input a personal 30 character field into the Vytec i e your name reset the Dive History s max depth to zero It is also possible to manually add comments and other personal informa tion to the PC based dive data files The PC Interface package comes complete with the interface unit the software and an installation guide To enter the Data Transfer mode select MODE 1 MEMORY 3 TR PC Fig 4 15 49 1 e FX Fig 4 17 Dive Simulator mode 1 SIMDIVE rr 7 PI Lt far ive Ti x A T y pO x Fig 4 18 Selected Dive Simulator mode Descend by pressing the arrow down TIME button and ascend by pressing the arrow up PLAN button Cae h a Z k ine i 0 OP MPLAN Fig 4 19 Dive Planning Simulator mode 2 SIMPLAN
74. n purchasing the Vytec Suunto strongly recommends you have your dealer attach the transmitter to the first stage of your regulator If you decide to attach it yourself follow the steps outlined below Remove the high pressure HP port plug on the first stage of your regulator using an appropriate tool Thread the high pressure transmitter of the Vy tec into the HP port of your regulator with your fingers DO NOT OVERTIGHTEN Maximum torque 6 Nm 4 4 ftlbs or 53 inlbs Sealing is based on a static o ring not force Attach the regulator to the scuba cylinder Slowly open the valve Check for leaks by submerging the regulator first stage in water If leaks are detected check the condition of the o ring and sealing surfaces n R g AL ko s m m a U 4G 0 0 V Toe f 1H P Lt wee S ome Fig 2 4 Active water contacts are indicated by the text AC Fig 2 5 Vytec s optional wireless pressure trans mitter 13 2 4 2 Pairing and Code Selection In order to receive wireless data the transmitter and the Vytec wrist unit need to be paired During the pairing procedure the transmitter and wrist unit select a common transmission code The transmitter turns on when the pressure exceeds 15bar 218 psi and it then starts sending pressure data together with a code number During the pairing procedure the Vytec stores the above mentioned code number and starts displaying pressure values that are
75. nd TIME Y 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 s button Menu Modes press the SMART MODE button The display is illuminated in surface mode by holding down the sSMART button for more than two seconds 2 3 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 Fig 2 3 When submerged the water contacts are connected to the push buttons which are the other pole of the water contact by the conductiv ity of the water The AC text Active Contacts Fig 2 4 will appear on display The AC text will be shown until the water contact deactivates or the dive computer enters the Dive Mode automatically 12 2 4 WIRELESS CYLINDER PRESSURE TRANSMISSION The Vytec can be used together with an optional wireless cylinder pressure transmitter that can easily be attached to the high pres sure port of the regulator Fig 2 5 By using the transmitter the diver can benefit from cylin der pressure and remaining air time data In order to use the transmitter the wireless integration needs to be enabled in the Vytec s settings To enable or disable the wireless integration refer to chapter 4 3 3 3 Cylinder pressure settings 2 4 1 Installing the Transmitter Upo
76. nts paint acetone alcohol etc Chemical reactions with such agents will damage 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 see also section 3 1 1 Activation and Prechecks 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 of it 5 3 MAINTENANCE The 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 and the transparent battery compartment cover for possible moisture or water DO NOT use the dive computer if you de tect any moisture or water inside In order to limit corrosion damage remove the battery and moisture from the battery compartment Contact an authorized Suunto dealer for battery replacement or other needed service CAUTION Do not use compressed air to blow water off the unit e Do not use solvents or other cleaning fluids that might cause damage e Do not test or use the dive computer in pressurized air 5 4 WATER RESISTANCE INSPECTION Water resistance of th
77. o A er mu a amp ae EY b g Rl z RI O Fig 3 19 Decompression dive above ceiling Note downward pointing arrow Er warning and an audible alarm You should immediately with in 3 minutes descend to or below ceiling CEILING hA 3m 10ft 6m 18ft A FLOOR Fig 3 20 Ceiling and Floor Zones The Recom mended and Manadatory Safety Stop zone lies between 6m and 3m 20 ft and 10ft Fig 3 21 Nitrox display Maximum depth based on set 02 21 and PO2 1 4 bar is 54 1 m 177 ft 31 HT B DIVE TIME lt Owo lt Fig 3 22 Diving in Nitrox mode The 02 is set to 32 ALLEE 4 ig 298 nN Ee aeh L E Fig 3 23 Diving in Nitrox mode After air time is less than 30 minutes 02 is substituted by Air Time display x ee ce Fig 3 24 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 32 label NITROX is shown after activation In Dive Planning mode the Nitrox display shows Fig 3 21 the oxygen percentage labeled with O is shown in the left side of the center window the set oxygen partial pressure limit labeled with PO is shown in the upper right display the maximum allowed depth based on the set oxygen percentage and partial pressure limit the current
78. o set attenuated RGBM mode When this selection is made it is indicated with a con tinuously displayed Diver Attention Symbol The options are full RGBM effects RGB100 and attenuated RGBM RGB50 The deepstop setting allows the user to choose between traditional safety stops or deep stops If deep stops are set to OFF traditional safety stop calculation is used If set to ON itera tive Deepstops will be prompted instead The length of the individual deepstops can be set to 1 or 2 minutes To enter the Altitude Adjustment Personal Ad justment and RGBM effect Setting mode se lect MODE 3 SET 1 SET DIVE 1 AdJ MODE Now you are able to select from the three alti tude modes Fig 4 23 and the three personal modes Fig 4 24 and the two RGBM effect full normal or limited attenuated modes Fig 4 25 and safety stop deepstop 1 or 2 minutes Fig 4 25b 4 3 1 2 Dive Time Alarm Setting 2 d ALARM The instrument has one Dive Time Alarm Set ting which can be used for several purposes to add to your diving safety The alarm can be set for example to your planned bottom time To enter the Dive Time Alarm Setting Mode se lect MODE 3 SET 1 SET DIVE 2 d ALARM The Dive Time alarm can be set on or off and the time from 1 to 999 minutes 4 3 1 3 Maximum Depth Alarm Setting 3 MAX DPTH You can set one depth alarm in the dive com puter To enter the Maximum Depth Alarm Setting select MODE 3 SET 1 SET DIVE
79. oll different pages of specific dive 45 page 2 og 2 ap i st our 5 WO iE aaa i ft x a Fig 4 8 Logbook page ll Main dive related data Df RSS a 4 page 3 0 ZIX r SURF mi i B 58O br me Jt B dP Fig 4 9 Logbook page III Surface interval time average depth and consumed air indicated by AP Fig 4 10 Logbook page IV Profile of specific dive 46 When Select is displayed next to the mode but ton the scroll buttons will scroll through the four pages of the selected dive The END text is displayed between the oldest and most recent dive Fig 4 12 Note that chronological sequence in the log book is determined by the date not by the dive number The following information will be shown on four pages Page I main display Fig 4 7 dive number in the dive series dive entry time and date Page ll Fig 4 8 dive number in the dive series maximum depth NOTE Due to lower resolution the reading may differ from the maximum depth reading of the Dive History up to 0 3 m 1 ft total dive time temperature at the maximum depth Altitude Adjustment setting not dis played in Gauge mode Personal Adjustment setting not dis played in Gauge mode SLOW label if the diver has violated the maximum ascent rate e STOP label if the Mandatory Safety Stop was violated e ASC TIME label if the dive was a decompression stop di
80. ombined Logbook and Dive Profile Memory Fig 4 6 4 12 Dive History Memory Fig 4 13 4 14 and the Data Transfer and PC Interface functions Fig 4 15 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 traveling between different time zones 4 1 1 Logbook and Dive Profile Memory 1 LOGBOOK This instrument has a very sophisticated high capacity Logbook and Profile Memory with a default data recording interval of 20 seconds Dives shorter than the recording interval are not registered You have the possibility to set the recording interval to 10 20 30 or 60 sec onds See Setting Preferences 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 I II Ill and IV The data of the most recent dive is shown first The logbook dives can be scrolled through displaying only the first page of each dive or scrolling through the 4 different pages of a dive When at the first page of a dive use the MODE button to change the scroll sequence When the arrow icon is next to the Mode button the scroll button will scroll through the first page only of each dive Fig 4 5 Memory options 3 MEMORY Fig 4 6 Logbook option 1 LOGBOOK Fig 4 7 Logbook page Scr
81. on If multiple gas mixes are set they will be changed as soon as allowed maximum depth is reached upon ascent and in the order of MIX1 MIX2 and MIX3 To enter the Dive Simulator mode select MODE 2 SIMUL 1 SIMDIVE Fig 4 17 and 4 18 4 2 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 desired 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 NOTE This display is only shown for repeti tive dives To enter the Dive Planning Simulator mode select MODE 2 SIMUL 2 SIMPLAN Fig 4 19 NOTE The Dive Planning Simulator mode is disabled in Gauge mode and in Error mode see section 3 9 Error Conditions 4 3 SET MODES 3 SET The Set Modes Fig 4 22 are divided into three submodes for setting the dive related parameters time related parameters and your personal preferences SS R al x ia r FP hy em Crit O il lt HL 5 Add Fig 4 20 Selected Dive Planning Simulator mode Add desired surface interval incre ment to present shown surface interval by pressing TIME and PLAN buttons This display is
82. on op tion 2 SIMUL Dp p 2 3 mu k rE L PIE b aoe _ SEF Z Fig 4 4 Set option 3 SET 43 EXIT QUIT By 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 THE LIST OF THE MENU BASED MODES 1 MEMORIES AND DATA TRANSFER 1 MEMORY 1 Logbook and Dive Profile Memory 1 LOGBOOK 2 Dive History Memory 2 HISTORY 3 Data Transfer and PC Interface 3 TR PC 2 SIMULATION MODE 2 SIMUL 1 Dive Simulator 1 SIMDIVE 2 Dive Planning Simulator 2 SIMPLAN 3 SET MODES 3 SET 1 Dive Parameter Settings 1 SETDIVE 1 Altitude Adjustment and Personal Adjustment Settings 1 AdJ MODE 2 Dive Time Alarm Setting 2 d ALARM 3 Maximum Depth Alarm Setting 3 MAX DPTH 4 Nitrox Oxygen Settings 4 NITROX 2 Setting Time 2 SET TIME 1 Adjusting Time 1 AdJ TIME 2 Adjusting Date 2 AdJ DATE 3 Adjusting Daily Alarm 3 T ALARM 3 Setting Preferences 3 SET PREF 1 Backlight Setting 1 LIGHT Dive Computer Units Setting Metric Imperial 2 UNITS Wireless Transmission Settings 3 HP Profile Recording Interval Setting 4 REC Dive Computer Model Settings Air Nitrox Gauge 5 MODEL NOTE The menu based modes cannot be activated until 5 minutes after the dive aR ON 44 4 1 MEMORIES AND DATA TRANSFER 1 MEMORY The memory options Fig 4 5 for this dive computer include the c
83. op 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 to prolong your surface interval time before your next dive Fig 3 9 Diving display Present cylinder pressure is 210 bar 3045 psi and remaining air time 41 minutes Alternative display of current time and temperature is shown for 5 seconds after pressing TIME button 22 3 2 3 Deep Stops The Suunto Vytec allows the user to choose a deep stop algorithm instead or the traditional recommended safety stop Deep Stops are decompression stops that occur deeper than traditional stops with the purpose of minimizing microbubble formation and excitation The Suunto RGBM model calculates deep stop iteratively placing the first stop about halfway between the maximum depth and the ceiling depth After the first deep stop has been completed another deep stop will be prompted halfway to the ceiling and so on until the ceiling depth is reached The deep stop length can be set to 1 or 2 minutes Enabling the Deep Stops disables the Recommended Safety Stops but the Mandatory Safety Stops due to e g continuous ascent rate violations are still prompted 3 3 DIVING IN AIR MODE The Vytec has three operating modes Air mode for diving with standard air only Nitrox mode for diving with oxygen enriched EANx mixtures and Gauge mode for use as bottomtimer The Air mode is enable
84. play Anytime you enter into a dive the remaining air time calculation begins After 30 60 seconds sometimes more depending on your air consumption the first estimation of remaining air time will be shown in the left center window of the display The calculation is always based on the actual pressure drop in your cylinder and will automatically adapt to your cylinder size and current air consumption The change in your air consumption will be based on constant one second interval pressure measurements over 30 60 second periods An increase in air consumption will influence the remaining air time rap idly while a drop in air consumption will increase the air time slowly Thus a too optimistic air time estimation caused by a temporary drop in air consumption is avoided The remaining air time calculation includes a 35 bar 500 psi safety reserve This means that when the instrument shows the air time to be zero there is still about 35 bar 500 psi pressure left in your cylinder depending on your air consumption rate With a high consumption rate the limit will be close to 50 bar 725 psi and with a low rate close to 35 bar 500 psi NOTE Filling your BC will affect the air time calculation due to the tem porary increase in air consumption NOTE A change of temperature will affect the cylinder pressure and consequently the air time calculation Low Air Pressure Warnings The dive computer will warn you with three audible
85. puter is set in Nitrox mode the Dive Planning and Dive Simulation modes both calculate with the O and PO values that are currently in the computer To set the Nitrox mixes refer to chapter 4 3 Set Modes DEFAULT NITROX SETTINGS In Nitrox mode the Vytec allows the user to set 1 3 nitrox mixes containing 21 99 oxygen In the Nitrox mode the default setting for MIX1 is standard air 21 O It remains in this setting until the O is adjusted to any other percentage of oxygen 22 100 The default setting for maxi mum oxygen partial pressure is 1 4 bar however you are able to set it in the range of 0 5 1 6 bar If unused the computer will retain the manually entered values for the oxygen percentage and maximum oxygen partial pressure for MIX1 for about two hours after which it will revert to the default settings MIX2 and MIX3 are by default set to OFF To set MIX2 and MIX 3 refer to chapter 3 4 4 Gas change and multiple breathing mixes Oxygen percentages and maximum oxygen partial pres sures for MIX2 and MIX3 are stored permanent ly If MIX2 and MIX3 are set OFF the computer will retain the manually entered values for the oxygen percentage and maximum oxygen par tial pressure for MIX1 for about two hours after which it will revert to the default settings 3 4 2 Oxygen Displays If set to Nitrox mode the NITROX display with all labeled oxygen information and the S SE z iG at N STOP asc TIME k T
86. r or representation is authorized to make any modifications to this warranty or to make any additional warranty Battery replacement is not covered by this warranty This Instruction Manual should be kept with your dive computer 8 SUUNTOSPORTS COM SuuntoSports com is an international free web community where you can refine and share the data that you have measured with your personal Suunto instrument and analyzed with the sport specific PC interface SuuntoSports com offers you a number of features that help you to get the most out of your sport and your Suunto Vytec If you already own a personal Suunto sports instrument you can access all sport specific functions through registration If you do not yet have an instrument you may either log in as a guest or register yourself As a guest you can view and read but registration gives you the right to use other functions and participate to discussions 8 1 SYSTEM REQUIREMENTS SuuntoSports com has the following system requirements Internet Connection Modem recommended 56k or faster Browser IE 4 0 or better Netscape 4 7x or newer Resolution minimum 800 x 600 best viewed with 1024 x 768 72 8 2 SUUNTOSPORTS COM SECTIONS SuuntoSports com includes three sections with several functions The following paragraphs describe only the basic functions of SuuntoSports com You can find detailed descriptions of all the site functions and ac tivities and step by step instruct
87. received with that code This coding procedure inhibits data mix up from other divers also using the Vytec s transmitter When there is no stored code the Vytec will display SETC and receive with lowered sensitivity from a very short distance only Fig 2 6 a By taking the Vytec close to the transmitter it will store the received code and start receiving with full sensitivity and display data received with this code only The code is held stored for approximately 2 hours or until the cylinder pressure goes below 10 bar 145 psi The set code can also be manually erased by the user To pair the transmitter and the wrist unit 1 Make sure that the transmitter is properly attached to the regulators HP port and that the regulator is properly attached to the cylinder 2 Ensure that the Vytec is turned on an that the wireless integration is enabled in the Vytec s settings HP set on see chapter 4 3 3 3 The Vytec should display SETC in the lower left corner 3 Slowly open the cylinder valve fully and pressurize the regulator The transmitter will start transmitting when the pressure exceeds 15bar 218 psi 4 Take the Vytec wrist unit close to the transmitter The Vytec will now shortly display the selected code number and then start displaying the transmitted cylinder pressure A lightning symbol will be displayed every time the Vytec receives a valid signal WARNING In case there are several divers using Vytecs w
88. red Personal Adjustment Mode giving shorter no decompression times see section 6 1 Operat ing Principles Table 6 1 and 6 2 TABLE 3 5 PERSONAL ADJUSTMENT RANGES Desired tables Condition Ideal condition Default Some mentioned factors or conditions exist Progressively more Several mentioned factors conservative or conditions exist The Vytec also allows experienced divers who are willing to accept a greater level of risk to adjust the RGBM model The default setting is RGB100 which gives full 100 RGBM effect Suunto strongly advises to use full RGBM effect Statistically very experienced divers have less incidents with DCI The reason for this is unknown but it is possible that some level of physiological and or psychological accommodation can take place when you are very experienced as a diver Thus for certain divers and diving conditions you may want to set attenuated 50 RGBM 41 mode RGB50 See Table 3 6 To advise the diver that attenuated RGBM has been set the Diver Attention Symbol is constantly displayed Table 3 3 TABLE 3 6 RGBM MODEL SETTINGS RGBM Desired setting tables Effect RGB100 papal tig RGBM Full RGBM effects RGB50 Attenuated RGBM model Smaller RGBM effects higher risk 3 9 ERROR CONDITIONS The dive computer has warning indicators that alert the user to react to certain situations that would significantly increase the risk of DCI If you
89. ror mode and Gauge mode the no flying time is 48 hours Divers Alert Network DAN recommends the following on no flying times Aminimum surface interval of 12 hours would be required in order to be reasonably assured a diver will remain symptom free upon ascent to altitude in a commercial jetliner altitude up to 2400 m 8000 ft 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 extended interval beyond 12 hours before flight Further the Undersea and Hyperbaric 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 2400 m 8000 ft The only two exceptions to this recommendation are 37 e Ifa diver had less than 2 hours total accumulated dive time in the last 48 hours then 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 and the dive computer wait to fly conditions are satisfied 3 7 AUDIBLE AND VISUAL ALARMS The dive computer features audible and visual alarms to advise when important limits are approached or to acknowledge preset alarms A
90. roup Theoretical concept used to model bodily tis sues for the construction of decompression tables or calculations Whole Body Toxicity Another form of oxygen toxicity which is caused by prolonged exposure to high oxygen partial pressures The most com mon symptoms are irritation in the lungs a burning sensation in the chest coughing and reduction of the vital capacity Also called Pulmonary Oxygen Toxicity See also OTU 79 DISPOSAL OF THE DEVICE Please dispose of the device in an appropriate way treating it as electronic waste Do not throw it in the garbage If you wish you may return the device to your nearest Suunto dealer 80 z asqowsans aasva NNIW L 3qowsans aasva nNau AGO NIVIW aasva NNIWN eo PD Go Go Go ZY 0 sau 1d ud p were 30 yO kep kts lt gt
91. s different from those associated with diving with standard air These risks are not obvious and require training to understand and avoid Risks in clude possible serious injury or death Do not attempt to dive with any gas mix other than standard air without first receiving certified training in this specialty 1 1 1 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 STEP 1 Assess the situation calmly and then move promptly to less than 18 m 60 ft STEP 2 At 18 m 60 ft slow down your ascent rate to 10 m min 33 ft min and move to a depth between 3 and 6 meters 10 to 20 ft STEP 3 Stay there as long as you assess your air supply will safely allow After reaching the surface stay out of the water for at least 24 hours 1 1 2 Dive Computer Limitations While the dive computer is based on current decompression research and technology you must realize that the computer cannot monitor the actual physiological functions of an individual diver All decompression schedules currently known to the authors including the U S Navy Tables are based on theoretical mathematical models which are intended to serve as a guide to reduce the probability of decompression illness 1 1 3 Nitrox Diving with nitrox provides the diver with an opportunity to increase bot tom times or reduce the risk o
92. s 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 61 e 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 e Refit the dive computer in the console according the instructions of the console CAUTION Check after the first dives for possible moisture under the transparent battery compartment lid indicating a leak Complete Strap V5841 Short Strap with buckle V 5841 Securing Ring V5844 Battery Compartment Lid with buzzer V5843 Spring Bar O Ring K5588 K5664 Long Strap Battery Retainer K5592 V5842 Battery K5597 Vytec Boot K5534 Fig 5 1 Instrument parts The code after the name stands for spare part order number Fig 5 2 Opening of the securing ring 5 5 2 Wireless Transmitter Battery Replacement NOTE Itis advisable to contact an authorized Suunto dealer for trans mitter battery replacement It is imperative that the change is made ina proper manner to avoid any leakage of water into the transmitter 62 CAUTION Defects caused by improper battery installation are not covered by the warranty BATTERY KIT The transmitter battery kit includes a 3 0 V CR
93. set for next mix is allowing a gas change The prompt is an audible three beeps and the current mix O starts to blink NOTE The Vytec will not let you switch to gases which maximum PO2 levels are exceeded 3 5 DIVING INGAUGE MODE If set to Gauge mode the dive computer can be used as a bottom timer for diving with technical diving mixed gases If you are trained for techni cal 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 The Gauge mode is enabled in the MODE SET SET PREF MODEL submode see section 4 3 Set Modes If set to Gauge mode the text GAUGE is shown after activation Fig 3 4 In the Gauge mode the total Dive Time is always displayed in minutes in the lower right corner In addition a Dive Timer in the center window displays time in minutes and seconds The center window Dive Timer is activated at the start of the dive and it can be reset during the dive and used as a stopwatch by pressing the PLAN button When the PLAN button is pressed during the dive Aspecial mark bookmark is written in the profile memory The Dive Timer shown in the center window is stopped reset and started again 34 Tank pressure and ascent rate indicator are also displayed during the dive Fig 3 28 Remaining Air Time temperature and current time are shown in the alternative display when the TIME button is pressed NOTE If you dive with t
94. tery Indicator The pressure transmitter sends out a lowbat LOBT warning when its battery voltage is getting low This is shown intermittently instead of the pressure reading see chapter 2 4 3 Fig 2 6 When you get this warning the pressure transmitter battery needs to be replaced 3 1 3 Dive Planning PLAN To enter Planning Mode press the PLAN button at any time during Sur face Mode After showing the text PLAN Fig 3 6 the display will show the no decompression limit for the depth of 9 m 30 ft By pressing the down arrow t TIME button the dive computer will calculate and show the next deeper no decompression limits in 3 m 10 ft increments ending at 45 m 150 ft By pressing the up arrow s PLAN button the next shallower depth will be shown again The Planning Mode is canceled by pressing the SMART QUIT button NOTE The Planning mode is disabled in Gauge mode and in Error mode see section 3 9 Error Conditions The planning mode calculates no dec times for MIX1 only If additional mixes are enabled in the Nitrox mode they do not affect the calculations in PLAN mode Higher Altitude and conservative Personal Adjustment Modes will shorten the no decompression time limits These limits at different Altitude and Personal Adjustment Mode selections are shown in Table 6 1 and 6 2 in section 6 1 Operating Principles The Planning mode also accounts for the following information from pre vious dives
95. th is reached continuous beep series for 24 seconds or until any button is pressed the maximum depth blinks as long as the present depth value exceeds the adjusted value The preset dive time is reached e continuous beep series for 24 seconds or until any button is pressed the dive time blinks for one minute if no button is pressed The preset alarm time is reached the current time is shown continuous beep series for 24 seconds or until any button is pressed the current time blinks for one minute if no button is pressed OXYGEN ALARMS IN NITROX MODE Three double beeps and the backlight activated for 5 seconds occur when e the OLF bar graph reaches 80 The segments exceeding the 80 limit start to blink Fig 3 24 the OLF bar graph reaches 100 The blinking of the segments exceeding 80 will stop when the OLF is not loading anymore At that point the PO is less than 0 5 bar Continuous beeps for 3 minutes and the backlight activated for 5 seconds occur when the set oxygen partial pressure limit is exceeded The maximum depth is replaced with a current blinking PO value You should immediately ascend above the PO depth limit Fig 3 24 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 MAXI MUM LIMIT IS REACHED YOU MUST IMMEDIATELY ASCEND UNTIL THE WARNING STOPS BLINKING F
96. ting mode the equiva lent allowed maximum depth based on the chosen setting will also be displayed Settings for additional mixes MIX2 MIX3 are made similarly but with the selection of ON or OFF for these In order to minimise risk of error during the dive itis highly recommended that the mixes are set with proper order This means that as the mix number rises so does oxygen content and this is the order they are usually used during the dive Before a dive set on only the mixes you actually have available and remember to check the set values so they are correct To enter the Nitrox Oxygen Setting Mode se lect MODE 3 SET 1 SET DIVE 4 NITROX The default oxygen percentage O setting is 21 air and oxygen partial pressure PO setting 1 4 bar Fig 4 28 After entering values for MIX1 you can enable disable and set addi tional gas mixes MIX2 and MIX3 Fig 4 29 NOTE If only MIX 1 is enabled MIX2 3 set OFF and set to 21 MIX1 will revert to default set tings 21 O and PO 1 4 bar after approxi mately 2 hours If either MIX2 or MIX3 have oxygen content greater than 21 or are set ON settings for all mixes are stored until changed 4 3 2 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 Time 2 Date and 3 Daily Time Alarm 4 3 2 1 Adjusting Time 1 AdJ TIME To enter the Time Setting Mode select MODE 3 SET
97. tors for DCI which divers can predict in advance and input into the decompression model Factors that may affect susceptibility to decompression illness vary between divers and also for the same diver from one day to another The three step Personal Adjustment Mode is available if a more conservative dive plan is desired For very experienced divers a two step adjustment for RGBM effect on repetitive dives is available The personal factors which tend to increase the possibility of DCI include but are not limited to 40 cold exposure water temperature less than 20 C 68 F the diver is below average physical fitness level diver fatigue diver dehydration previous history of DCI stress obesity The Personal Adjustment Mode is indicated by a diver symbol and plus signs PO a diver P1 diver or P2 diver Section 4 3 1 1 Al titude Adjustment and Personal Adjustment Setting describes how the Personal Mode is adjusted This feature should be used to adjust the computer to be more conserva tive according to personal preference by entering the suitable Personal Adjustment Mode with the help of Table 3 5 In ideal conditions retain the default setting PO If conditions are more difficult or other mentioned factors which tend to increase the possibility of DCI exist select P1 or even the most conservative P2 As a result the dive computer adjusts its mathematical model according to the ente
98. ty appears to be necessary return the product freight prepaid to your Suunto dealer or distribu tor or qualified repair facility Include your name and address proof of purchase and or service registration card as required in your country The claim will be honored and the product repaired or replaced at no charge and returned in what your Suunto dealer or distributor determines a reasonable amount of time provided all necessary parts are in stock All repairs made not covered under the terms of this warranty will be 71 made at the owner s expense This warranty is non transferable from the original owner All implied warranties including but not limited to the implied warranties of merchantability and fitness for a particular purpose are limited from date of purchase and in scope to the warranties expressed herein Su unto shall not be liable for loss of use of the product or other incidental or consequential costs expenses or damage incurred by the purchase All warranties not stated herein are expressly disclaimed Some states do not allow the exclusion or limitation of implied warranties of consequential damages so the above exclusions or limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state This warranty does not cover any representation or warranty made by dealers or representatives beyond the provisions of this warranty No deale
99. unted the no fly ing 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 as DIVE 2 the third as DIVE 3 etc If you start a new dive with less than 5 minutes of surface interval time the dive computer in terprets this as a continuation of the previous dive and the dives are considered 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 5 minutes on the surface subsequent dives are by defi nition repetitive The dive counter displayed in the Planning Mode will increment to the next higher number if another dive is made TABLE 3 3 WARNING SYMBOLS Symbol on i Diver Attention Symbol Attenuated RGBM model set 7 Diver Attention Symbol Extend Surface Interval Violated Decompression Ceiling Do Not Fly Symbol 3 6 3 Flying After Diving The no flying time is shown in the center window next to the airplane image Flying or travelling to a higher altitude should be avoided at any time the computer counts down the no flying time NOTE The airplane symbol is not shown on the stand by display You should always activate the dive computer and check that the airplane symbol is not displayed prior to flying The no flying time is always at least 12 hours or equivalent to the so called desaturation time if longer than 12 hours In the permanent Er
100. ure that the pressure transmitter has been properly attached and that the cylinder valve is open the transmitter and the wrist unit have been properly paired on a suitable code the pressure transmitter is working lightning symbol blinks cylinder pressure is displayed and that there is no low battery warningdisplayed you have enough air for your planneddive You should also check the pressure reading against your back up pressure gauge And if set to Nitrox mode refer to chapter 3 4 Diving in Nitrox mode make sure that the correct number of mixes are set and that the oxygen percentages are adjusted according to the measured Nitrox blends in your cylinders the oxygen partial pressure limits are set correctly The dive computer is now ready for diving 3 1 2 Battery Indication 3 1 2 1 Battery Power Indicator This dive computer has a unique graphic Bat tery 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 TABLE 3 1 BATTERY POWER INDICATOR Display Operation Figure 3 2 BAT 4 segments OK Normal full battery a BAT 3 segments Normal battery power is getting low or the temperature is low Battery replacement is recommended if you
101. ve Diver attention symbol if the symbol was displayed when dive was started downward pointing arrow if the ceiling was violated oxygen percentage in Nitrox mode for primary gas MIX1 maximum OLF during the dive only in Nitrox mode Page Ill Fig 4 9 dive number in the dive series average depth surface interval time before the dive DP describing Cylinder pressure drop during the dive if wireless trans mission enabled HP on Page IV Fig 4 10 dive number in the dive series the profile of the dive automatic scrolling during which logbook symbol blinks at the point when the user has pressed the PLAN button for Bookmark e 02 during the dive profile in Nitrox mode 02 will change with gas change blinking SLOW label when registered blinking ASC TIME label when the dive became a decompression dive Press the SMART Select button once to change the scroll buttons to scroll the differ ent dives forward and backward Fig 4 11 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 Fig 4 12 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 r
102. xicity CNS and Pulmonary Oxygen toxicity the latter mea sured by the addition of Oxygen Toxicity Units OTU Both fractions are scaled so that the maximum tolerated exposure for each is ex pressed as 100 The Oxygen Limit Fraction OLF has 11 seg ments each representing 10 The OLF bar graph displays only the value of the higher of the two calculations When the OTU value meets and exceeds the CNS value then in ad dition to displaying its percentage the lowest segment blinks to indicate that the value shown relates to OTU The oxygen toxicity calculations are based on the factors listed in section 6 3 Oxygen Exposure 3 4 4 Gas Change Multiple Breathing Gas Mixes The Vytec has as a special feature the possibil ity to set two additional nitrox mixes to be used during the dive This feature can be activated by setting the MIX2 and or MIX3 ON and entering other parameters in the same way as on the primary gas See chapter 4 3 1 4 Nitrox Oxygen settings Mix 2 and 3 settings are held until you change them they will not return to default settings automatically Cyl inder pressure data is available for one wire less transmitter only A dive is always started with MIX1 during the dive the Vytec lets you change to any enabled mix which is within the nonse S Cd Fig 3 25 Alternative display Pressing TIME button displays current time maximum depth temperature CBT and O2 if Air Time is less

Suunto VYTEC DS User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents