FREEDOM Manual
Contents
1. Long press is 2 5 seconds and cannot be changed Editor navigation Main menu gt Setup gt Preferences gt User interface gt Editor navigation This menu determines if you will control the entering of values by tilting or tapping Gas shortcuts The second way is with a key shortcut When you press KEY 1 LONG the computer switches to the next gas in your list You can scroll in the list this way cyclically This is the quick and easy way to change your gas In light of the fact that there is a certain risk of unintentional switching of gases during a dive this option is adjustable in the Main menu gt Setup gt Preferences gt User interface gt Gas shortcuts in firmware version 1 5 Key shortcuts are activated by default Salinity Main menu gt Setup gt Preferences gt Salinity Although you will change this item more often it is a good idea to set the predicted more frequent salinity mode Salt water Fresh water NOTE The salinity setting doesn t affect decompression procedure It affects just depth measuring and indirectly the depth of decompression stop rounded to 3m 10ft due to the different water density Default mode Main menu gt Setup gt Preferences gt Default mode You can choose the mode that you prefer This means that if you dive below the activating depth 1 5 m the chosen default mode will be activated So select the mode in which you dive most often and in which you are most likely to dive O2. system check Ganes USE connection Dive OC selection of the desired dive mode Switch off deactivation of the whole system Switch off your FREEDOM when you are not using it in order to save its batteries Log book opens the computer s memory Instruction on how to use it are provided here Setup the setup menu contains configuration and settings items Instructions how to set up your FREEDOM before its first use and before each dive are provided here The setup menu consists of Decompression Mixtures Alarms Free Setup Preferences Calibrate level Set time Factory defaults Plan built in decompression planner It enables proper dive planning before each dive with regards to your current saturation wherever you are Instructions on how to use it are provided here System check general information about the version license settings battery and sensor status More Games FREEDOM contains simple video games for relieving boredom during decompression stops More information is available here USB connection serves for connection to an external unit PC tablet The FREEDOM is displayed as an external device after selecting this item 16 Settings It is possible to apply a broad range different settings to the FREEDOM The unit can be adjusted to meet the specific requirements of many different kinds of diving and experience levels of divers Before first use Before the first use it is necessary t
3. Deco stop miss CNS plz Rates Lou battery Ceiling alarm triggered by exceeding decompression ceeling Deco stop miss alarm triggered by missing a decompression stop CNS alarm triggered by achievement 75 and 100 CNS clock pO2 alarm triggered by exceeding the safe limit of oxygen partial pressure 1 6 bars RATES Descent rate alarm triggered by exceeding the descent rate Ascent rate alarm triggered by exceeding the descent rate Descent rate Ascent rate Low battery alarm In firmware version 1 5 a low battery alarm can be set Main menu gt Setup gt Alarms gt Alarm sources gt Low battery The values can be set in the range of O to 40 this pertains to the percentage of the fully charged battery whereas O means a triggered alarm If you set the value lower than 10 the alarm alerting you to the batterv s critical status will be triggered automatically when reaching the 10 charge level of the battery NOTIFICATIONS No deco end Deco stop end Gas suitch reminder Gas switch done Depth Time 26 No deco end alarm triggered at the moment of termination of the no decompression time Deco stop end alarm triggered at the moment of termination of the decompression stop Gas switch reminder alarm triigered at the optimal gas switch depth Gas switch done alarm triggered at the moment when the gas switch is done Depth you can use three different dept
4. diluent composition SP low and SP high The dive mode is started after the important settings have been checked Depth dive time window for decompression stops actual time ascent time currently used mixture no deco limit time at stop window for deep stop 1 3 fields with the ppO2 value depending on the setting of the number of sensors battery status and decompression status are displayed on the detailed screen The No deco limit window is shared with the time at the decompression stop At the moment of expiry of the no decompression time the time spent at the first decompression stop is displayed Deep stop is indicated by the depth of the deep stop At the moment of reaching the deep stop level the depth value changes to time data corresponding to the moment of termination of the deep stop The values of partial pressures are displayed in white If a values are below the hypoxic limit the values are displayed in blue If the values exceed the hyperoxic limit the values are displayed in red Dive time ascent time depth highlighted maximum depth CNS temperature average ppO2 average of the values of the valid oxygen sensors battery status and decompression status are displayed on the Synopsis screen switch to this screen using KEY1 39 Press KEY1 again to go to the Big screen on which are displayed only the dive time depth and no decompression time or as the case may be decompression information after expiry of
5. If you set AUTO orientation the display is automatically set after start Keep in mind if you change the orientation the functions of the buttons also change so that KEY 1 is always at the top Press KEY 1 for change orientation Orientation left hand Orientation right hand Open Circuit Free Gauge Suitch off Free Gauge Suitch off K Log book Setup Plan y System check Games Log book Setup gt Plan System check Games WOPDJJ ILOSEN G 9 gt CD Lu 2 e Screensaver Main menu gt Setup gt Preferences gt Display gt Screensaver Select the screensaver delay in seconds from O off to 120 seconds Use tilting or clicking depending on the setting to enter the value Instructions on how to use the screensaver are available here Show by light In the screensaver mode it is possible to reactivate the display either by pressing a key shaking the device or by shining a diving light on the display This option can be set up in the menu Main menu gt Setup gt Preferences gt Display preferences gt Show by light 18 Screens Main menu gt Setup gt Preferences gt Display gt OC screens Specify which screens should by displayed in Closed circuit or SCR mode You can disable some of the screens for displaying with KEY 1 and re enable them with KEY 1 PBasic Mixed Big Graph Timeouts Main menu gt Setup gt Preferences gt Timeouts surface
6. atte ia dao cerda 29 SEEN A ee a i e de 29 Tne Detaled Seremi cinco as 29 TNE SVMODUIC screen i a a ibiO 30 STE N EEA A ES o lt Ta ata ti O 31 Open CI CONE IVE Ns or ea enter DT oa 32 o ai A e aot 32 No decompressiom dies si a a A ee St 33 LS NE iii O E ti a e 34 SIO TO Di A A sonwantacerts 34 ENANA E it AD 35 DECOMPRESSION GIVES tad i L ue de Ame dette Ag ti 35 Decompression STOD S stato A 36 SNOW Dl is 36 Divine withthe celne Meta rra dada pool 37 Deep STOD Sian dd 37 Multiseas d compression VES A A ii 37 GAS SMILIE A ae 38 Gas Cokrectio ti usina dd nn dr dado cd ati 39 Meastued CCR MOSS nd NN Rene ne Need tienne 39 Activatine COR MO RS l 39 IVS I a cio stene E A 40 Bailout Mode OC unn io 40 Fixed SP mode COR Mi caia 40 o Pro A oy oem ca wu oe tance aaa eameaeceuenaeceuntanes 40 Sl ae 0 a A eee 40 PAULEY SE MGO DS si a ai 40 Fixed CCR IMO QEA R T Alda 41 ACUVATNE FIXE CCR MOT Corinna a t 41 MENU Saer a E Secon E te te E E E ER 42 Baillotit O AR E O R 42 SEO IM TA 42 O LO i E EE SA A A RR 42 SPON e NUN sota 42 FRS MO iii l e o a MIA Oe o ta 43 ACTIVATING Free Mode sust ata a A ku ea tab A tela aa a fa tila tA ad 43 DIVINE Pa ardid 43 Suf tace patt A Re a ala 44 Free OS SE PI a eta U A O A 45 Et NA O A ATA 46 PCLIVALING GAU Ge OCS ia TA ta at 46 STOPW a tah Tata a a ad TA Di Oi rte 46 Ena dive ana de activa asa 46 l a A TA 47 Loe DOOK sis ii a A a a eevee 48 Data ansiedad 49 FilriWare tipaate ana UPer deso
7. course Never use a diving computer without proper diving training There is always the risk of DCS The actual course of decompression may vary according to individual predispositions and environmental conditions Decompression risk cannot be excluded even if the recommended procedure is applied DIVESOFT used generally known procedures to calculate decomression However DIVESOFT cannot be held responsible for the consequences of decompression accidents due to unforeseeable circumstances Always check all your settings before the dive All settings of the FREEDOM computer have an effect on decompression process and other parts of diver s safety Soberly evaluate each element of the settings and its importance in a particular dive especially GF and mixture settings The FREEDOM computer can be set incorrectly among other things for example if the breathing mixture is set to a value other than what is actually used so even if compliance is displayed in the onscreen instructions a decompression accident can occur Therefore it is necessary to set the parameters with the knowledge of things and cannot be assumed that the FREEDOM computer can replace an appropriate course or training Observe no fly limits Do not fly before the termination of no fly limits Plan your dives with regards on yours departure Pressure in a plane s cabin is reduced to 76 1 kPa 0 761 bar and to 58 kPa 0 58 bar in an emergency situation The no fly time is the
8. hyperoxic gases red highlited Breathable gases TMX 18 45 TMX 15 55 pds 69 Ps ppoe pe 2 a Current dive time RENE CEDE Current oxygen partial pressure The second way is with a key shortcut When you press KEY 1 LONG the computer switches to the next gas in your list You can scroll in the list this way cyclically This is the quick and easy way how to change your gas In light of the fact that there is a certain risk of unintentional switching of gases during a dive this option is adjustable in the Main menu gt Setup gt Preferences gt User interface gt Gas shortcuts in firmware version 1 5 Key shortcuts are activated by default TIP Set your gases in the list in the order that you will use them This saves time when switching gases WARNING The FREEDOM calls attention to gas switching with a pop up message and optionally with a vibrating alarm if any of your additional mixes drops below 1 6bar ppO2 However it does not avert selection of an improper or wrong mix as several possibilities are generally possible in technical diving Selecting a mixture including timing of air breaks is exclusively the diver s responsibility 38 WARNING Never switch to another gas before you start breathing it Gas correction If you have all mixes prepared and you have already switched the FREEDOM to Open circuit mode and for some reason you decide to exchange one of utilized bottles for another gas or change it with your
9. idle Prepared idle Dive termination In this submenu you can set the duration of FREEDOM activiation Surface idle set a time period for switch off after inactivity in surface mode and menus Range 1 120 min Prepared idle set a period for switch off after inactivity in dive mode before the dive Range 1 120 min Dive termination set an automatic dive termination after surfacing in the range of O never 30 min Units Main menu gt Setup gt Preferences gt User interface gt Units The FREEDOM computer can work with both metric and imperial units Select your preferred unit Checklist Main menu gt Setup gt Preferences gt User interface gt Checklist Enable or disable checklist before dive modes OC CCR activation Plan order Main menu gt Setup gt Preferences gt User interface gt Plan order 19 Plan order determines whether depth issues in the plan are arranged from the top down or reverse normal bottom time and the first stop are below reverse bottom time and the first stop are above Key press delay Main menu gt Setup gt Preferences gt User interface gt Key press delay You can choose how long you must press the button for a given action The default setting is 250ms for short press A press that is too short could be activated unintentionally and a press that is too long is not very practical when you must wait for navigation in the menu
10. in the bottom box in the big screen Battery status Depth Dive Time 6 On 1 3 4 3 Safety Stop symbol safety St No Deco S 02e Stop Time countdown mm ss Stop T UE Current breathed gas Max CNS Tenp 25 0 1 26 CU 34 Dive time No Deco 14 26 999 Depth m 6 0 safety St Stop Time The safety stop is interrupted if the diver falls below a depth of six meters After returning above this depth the safety stop countdown starts again from the beginning When the diver completes a Safety stop and then falls below 10 meters again then it is necessary to make a safety stop from the beginning During a safety stop it is possible to play games in fixed position preventing unwanted ascent or deep descent After termination of the safety stop the free ascent arrow is displayed again and the diver can end the dive End dive When you terminate a dive you can end the dive on the computer manually or wait for automatic termination For manually ending a dive go to the Open circuit menu and select end dive This is possible only on the surface Automatic end dive occurs after ascending above a depth of 0 5 m If you resume diving with 10 minutes after the last ascend it will be logged as a one dive If you actually finish diving at that moment the dive time will be logged until the moment of exceeding 0 5 m Decompression dives WARNING Decompression dives must be preceded by proper planning Make sure that
11. mode OC If it is necessarv to change to open circuit this command switches the computer to the open circuit mode After switching to this mode decompression is calculated in the standard manner according to the composition of the chosen mixture Therefore it is necessarv to immediatelv select the mixture that is actuallv being breathed after switching to bailout mode This is accomplished bv using either the kevpad shortcuts KEY1 LONG up and KEY2 LONG down or by accessing the menu and selecting Mix All controls are then identical to the OC mode To return to the CCR mode select Original mode CCR in the menu Setpoint The setpoint item serves for switching or changing the setpoint The Set high and Set low items serve for switching the selected setpoint to high or low To change the setpoint to a completely different value use the 0 10 and 0 10 items by means of which you will change the setpoint value by one tenth up or down You will see the changed value one line below highlighted in yellow For storing this setting move the cursor to the Accept item and confirm by pressing KEY1 It is also possible to switch setpoints with key shortcuts in the same manner as when switching gases during an open circuit dive By pressing KEY1 LONG you will switch to setpoint high by pressing KEY2 LONG you will switch to setpoint low In light of the fact that there is a certain risk of unintentional switching of gases du
12. no decompression dives perform at least a three minute safety stop at a depth of 5 m Never dive alone Never go under water without your dive partner especially when free diving as this type of diving involves a high risk of blacking out Like any technical equipment the FREEDOM may malfunction The user must be able to detect a malfunction and deal with backup equipment and emergency procedures To do this the user must have the necessary skills and knowledge Otherwise the FREEDOM should not be used Dimensions Weight 256g 0 564 Ib Length 87mm 3 4 in 81mm 3 2 in Width 69mm 2 7 in 53mm 2 1 in Height 33mm 1 33 in 33mmi 1 3in 69mm 2 7in 81mm 3 2 in 87mm 3 4 in Charging The capacity of the FREEDOM s Li lon battery is about 20 hours depening on ambient temperature and extent of use Charging of the FREEEDOM is quite simple Unscrew the connector lid between the buttons with a coin Attach the charging connector and connect it to your personal computer via USB or to a wall socket using the standard electrical plug When battery is charged the C symbol appears If the battery is fully the F symbol appears Charging time is four hours Activation Press BOTH KEYS for five seconds The FREEDOM boots and you can check the hardware and software version during this time If you want to read the splash screen with the serial number and license keep one of the buttons pressed Af
13. slower ascent than the set ascent rate and decompression stops at depths lower than those recommended These factors will also increase the amount of air required to reach the surface Do not exceed decompression stops and never ascend above the ceiling The ceiling is a serious limit Going beyond this limit enormously increases the risk of DCS Always analyze the breathing gases that you will take with you Use Divesoft He O2 Analyzer for save recognition Ensure the water resistance of the device Do not exceed maximum altitude Atmospheric pressure decreases with as altitude increases It is the same principle as pressure reduction as a diver ascends Maximum altitude information shows the diver the maximum altitude which would be reached without DCS risks at the given moment Check your oxygen clock often If your CNS oxygen exposition exceeds the 75 value start your ascent immediately When cave diving stricter rules are applied Never exceed the maximum operational depth MOD for your gases Exceeding MOD could cause death When diving with hypoxic gas mixtures never breathe this mixture when the partial pressure is lower than 0 18 bar Always use realistic SAC rates and conservative turn pressures during dive planning Always take heed of visual and vibrating alarms of the device You need to take into account the danger of nitrogen narcosis The FREEDOM does not issue any warnings in connection with this danger In all
14. stops Time is displayed in minutes 31 Ascent time length of time needed to reach the surface It includes ascent speed deep stops if selected and decompression stops Ascent time is displayed instead of of No deco at the moment when decompression stops become necessary Deep Stop additional stops in the deeper part of the dive Deep stops can prevent could the formation of microbubbles Deep stop is available in screen 1 only Max depth maximum achieved depth CNS proportion of maximum oxvgen exposure in relation to oxygen toxicity expressed as a percentage Floor depth level where the duration of decompression is not increasing Temperature current temperature in Celsius or Fahrenheit depending on the settings pO2 partial pressure of oxygen depending on the oxygen fraction and ambient pressure Decompression status graphic symbol graphically shows different decompression situations For an overview of decompression status see below Battery status graphic symbol graphic symbol of battery status green when fully charged yellow when at 50 30 capacity orange at 30 10 capacity red when the battery charge is lower than 10 of capacity Open circuit MENU Throughout an entire dive the Open circuit menu remains available For Switching to menu press BOTH KEYS Mix Select your current mix or switch to another decompression mix End dive terminates the dive manually A condition for use of
15. the no decompression time On the Dive graph screen you will see the current dive profile with information on depth maximum depth and time Press KEY1 to return to the Detailed screen Menu BOTH KEYS Unlike the OC mode several items that are important for closed circuit diving are added to the menu Bailout mode OC If it is necessary to change to open circuit this command switches the computer to the open circuit mode After switching to this mode decompression is calculated in the standard manner according to the composition of the chosen mixture Therefore it is necessarv to immediatelv select the mixture that is actuallv being breathed after switching to bailout mode This is accomplished bv using either the kevpad shortcuts KEY1 LONG up and KEY2 LONG down or by accessing the menu and selecting Mix All controls are then identical to the OC mode To return to the CCR mode select Original mode CCR in the menu Fixed SP mode CCR In this mode the pressure sensors are disconnected and the Freedom computer calculates decompression on the basis of the fixed setpoints Control of this mode is identical to the Fixed CCR mode To return to the CCR mode select Original mode CCR in the menu End dive This item which functions only on the surface terminates the dive and the dive is stored in the Logbook If a dive is not terminated manually it will end automatically following a ten minute interval from the las
16. with KEY 2 LONG If you finished a dive and do not stop the stopwatch and switch the computer to the Surface part the stopwatch will continue to run It is possible to check the last dive information If the stopwatch is not stopped during the time at the surface it will continue to measure the time in the next dive 44 Free mode setup Go to Surface mode main menu gt Setup gt Free Setup Descent rate Ascent rate It is possible to set depths where the timer is activated and stopped automatically You can choose activation At depth and deactivation At depth separately 45 Gauge mode Gauge mode serves as a high precision depth gauge for those who do not want to use decompression data Gauge mode is indicated by a red frame The following functions are displayed Stopwatch current depth dive time in seconds maximum depth temperature battery status Stopwatch Dive Time 0 00 0 00 Max depth 0 0 27 2 After each dive the diver has residual nitrogen in his her tissues For this reason diving without proper knowledge about your previous saturation is not safe If you want to use Gauge mode after a scuba dive make sure that you can use dive tables or decompression planning software for your next exposure Divesoft is not responsible for any decompression problems caused by poor planning and using Gauge mode Activating Gauge mode Go to Surface mode main menu gt Gauge mode If you have Gauge mod
17. you have a sufficient gas supply for your dive Plan the dive dive the plan Do not exceed your personal qualification limits The start of a decompression dive is the same as that of a No decompression dives At the moment of termination of the no decompression limit the upper right box changes from NO DECO to ASCENT Ascent shows the ascent time from the current depth in minutes including deep and decompression stops In the upper left box the depth of the first decompression stop is displayed The time until the stop is shown below in minutes and seconds 35 Depth Dive Time No Deco time is on the edge It will take several seconds to 38 Qn 1 9 4 b add decompression obligation No Deco r 0 Free ascent is still possible Max CNS 38 1 3 Depth Dive Time Total ascent time Deco stop depth 3 Pn 64 A 39 Deco stop Ascent r i ii 30 166 Stop T 0 1 4 0 Deco stop symbol Deco Stop Max CNS Floor Temp p re is depth of is counted down 77 1 154 3 27 C 1 4 ecompression stop Decompression stops When the diver ascends to the decompression stop depth the decompression status graphic symbol changes to a white dashed line and the time in the lower left box starts to count down The ascent rate between decompression stops is set to 3 m min 10ft min The ascent time is counted in the length of the decompression stop If the diver ascends at a higher rate the stop will be extended by the time required to ascend at the prescri
18. EDOM contains games for relieving boredom during decompression stops When playing games depth is the only displayed data WARNING Playing a game could reduce your attention to vital functions and important life threatening situations Do not lose your buoyancy control Play games only during decompression or safety stops in a safe place on a rope or near the bottom Do not play games in open water without the possibility of a catch hold Do not play games if it is not possible to rule out some dangerous situation During the dive it is possible to activate games by pressing BOTH KEYS to switch to the menu in dive mode and selecting GAMES Sokoban Your character is a diving mask with snorkel Your goal is to move the scuba cylinders through the labyrinth at the marked point red spots with a minimum number of steps If you make a mistake you can go back but only three times per level Target point Level Number of steps the goal is to reach all target points in as little steps Your character Move your character to move Scuba tanks to target points Lives Scuba tank Depth Start game The game begins Practice level Select your desired level from O to 50 Game control Clicking game control 50 KEY 1 give up the game repeat level lost life KEY 2 one step back maximally three times Snake Control your snake by tilting and eat the yellow cups Each swallow of a yellow cup causes your snake to grow Th
19. If you use the Freedom in the measured ppO2 mode it is necessary to calibrate the oxygen sensor prior to every dive The calibration menu is found in the Main menu Dive Calibration Calibration settings Prior to the actual calibration it is necessary to set the corresponding calibration values Go to the Change item and select it with KEY 1 In the Oxygen purity item set the value that corresponds to the fraction of oxygen in the gas that you are preparing to calibrate The Warning days item comprises time data according to which the Freedom will notify you of the age of the calibration To change the value move the cursor to the item select it by pressing KEY 1 and set the value by tilting or tapping The default value is seven days the setting range is 0 30 days The Valid days item is a time value after the expiry of which the calibration is considered to be invalid and new calibration is required To change the value move the cursor to the item select it by 28 pressing KEY1 and set the value by tilting or tapping The default value is 180 days the setting range is 0 540 days For the actual calibration connect the oxvgen sensors to the Freedom s connector Calibrate the sensors using ambient air check to make sure that the ambient air has not been contaminated with another gas e g exhaled air exhaust gases oxvgen from vour rebreather etc If vou calibrate for a different specific gas use appropriate mea
20. User manual FREEDOM Technical diving computer from DIVESOFT User Manual Contents Welcome to the world of FREEDOM ccsccccccccccceesseeecccceeeaeneeesseeccccessaeeesseeecesseaeusseeeeceesssuaaseeeeseeeees 6 W UNV S ce wc tue i ops e tl EEI IN e a 6 AP A i f e 9 CS BR a ee de a 10 PCE ATOS directas 10 CON a ve ety ot a as nutes one A o o A 10 EAU TES A EEE 10 EVE TS Al COM rss a en ee ot a lon 11 MWorkine with Mens esta 11 Main Screen COGS REZ 11 8161 1 10 0 L A 11 Free mode dnd CATE rota 11 OS OCR Other DNS eiii 11 Re de ee 12 CORRE eieciresct sora cso niacin gest a eoanoee see eoea reuse arsooe neces sb ocstess cca oe tssaaneneseusensgensaewasut eran 13 SUNT ICS OOS a a a ado e 14 Menu NAVIGON as a D a tn ee den di id ln 15 Molnen COMEN A 16 A TEE NENE EN ee EE e Po EE E EEE 17 BETORS TIMSE y EE ECO IA 17 IOV ZO Mit ell CMO 62 O PRET TN ER ae 17 17 A A o A E an n 17 D A tates ccc unset a cine cotaecnenssaaneneoasinanceseceee 18 PP E E A S T I ET 19 Check aria lada 19 PHN ET A Rd ini ana i 19 KV Dre SC a l i a e wali 20 o i d A 20 Gas NOUS i 20 SIMON a AA ia 20 DETAL MOS oc 20 FAC COW A o a 20 Before LING dive a Mak he vo ad A E da idi 21 Sal A oct nts i tt A 21 DECOMPILE SION en oia 21 VIDA Sosa 24 O EN TA RA 25 CONS A EE a 27 LE LA ANNE A CO Snein 28 OxXveelesenmsor daljbrati ti se ai 28 Calibre Kai 28 SVS COC CCK A a Ma 29 Operi ircvjit AVe Mode ses cod 29 Mode ACTIV GUI OM axis
21. an go back by pressing BOTH KEYS and reset the input values By pressing KEY 2 you will display the detailed decompression plan Individual lines determined by the depth are color coded according to the utilized mixture see the previous paragraph The following data are always displayed in a line depth time at that depth Runtime total time at the given moment utilized gas The last pink line under the LA Dptlml Time KunT Gas previous pink line is the summary The sum under the time at depth expresses the total ascent time and the sum under the runtime expresses the total time of the entire dive Whether depths are arranged from the top down or vice versa depends on the settings setup gt preferences gt plan where normal bottom time and the first stop are below or reverse bottom time and the first stop are above can be set Please set the display of the plan in the manner that is more natural for you to read Only eight lines can be displayed on the Freedom computer s screen In the event that a planned dive requires more decompression stops these are displayed on the following page You can browse through the pages in the plan using the KEY 1 up and KEY 2 down keys The Start simulation command launches a demo dive according to the parameters than you have set During the demo dive the Freedom can be controlled in the same manner as during an actual dive However for these purposes the Demo dive ite
22. bed speed Tolerance at the decompression stop is 0 5 m If the diver passes a decompression stop and the ceiling simultaneously then a red arrow is displayed That is a serious and dangerous situation The diver has to return below the ceiling immediately Exceeding the ceiling involves a huge risk When the diver falls deeper than 0 5 m below the current decompression stop the time countdown is interrupted and the FREEDOM continues with the decompression calculation After termination of the last stop the deco information disappears and a white arrow for free ascent is displayed in the right side column In the case of missing a decompression stop a new decompression procedure is calculated from the current position However missing a decompression stop can lead to critical oversaturation and the occurrence of decompression sickness Show plan The current course of decompression can be displayed during the dive If you are just under the surface or you launch a demo dive go to the menu BOTH KEYS and select the Show plan item The Freedom will display the list of decompression stops and the length thereof Use of all set 36 mixtures with gas switch at the optimum depth is anticipated in the calculation of the ascent time If you want to display the ascent time only with the current mixture set this option in the menu Setup Decompression Ascent gas Current Diving with the ceiling method The ceiling is the maximal
23. desidia 50 e O 50 Game contro tanto 50 MAKE A AAA A used oe ees 51 Game Contra drain lent 51 PANS OO Ile eae dean acoaua oo A O 51 Mantenan G tati crio aaa 51 O O tadatta 51 DISPOSONS A A ten tb es a 51 Welcome to the world of FREEDOM Congratulations on your purchase of a Divesoft Freedom computer for technical diving The FREEDOM is made with high precision in every detail from high quality materials for long life in the harsh conditions of military deep and cave diving The solid aluminum shell protects high tech electronics with the most sophisticated decompression software Reading the full color OLED display is a pleasure in any depth and in all conditions Use trimix SCR or CCR and dare to dive deeper longer and farther You have made the best choice for your diving Dive in and enjoy your newly acquired FREEDOM Warnings The FREEDOM computer is a diver s assistant for depth detection time counting temperature detection and decompression counting It can be used with conventional and military scuba apparatus all kinds of SCR only when the ppO2 cell is connected all kinds of technical and military CCR rebreathers and for free diving The DIVESOFT FREEDOM computer cannot be used for saturation diving The FREEDOM can calculate decompression with all mixes with oxygen nitrogen and helium in any combination No other gases can be used Use of the computer does not replace the knowledge gained in an ordinary diving
24. e KEY 1 switch to next screen cyclic KEY 2 stopwatch start stop BOTH KEYS access the menu KEY 2 LONG stopwatch reset Log book Other Dives KEY 1 Select dive KEY 2 Scroll down KEY 1 LONG Page Up to later dives KEY 2 LONG Page Down to earlier dives See the symbols on the sides of the menu The symbol in the upper part shows the current KEY 1 function The symbol at the bottom shows the current KEY 2 function The symbol in the middle shows the current BOTH KEYS function y Confirm al Down 11 Tilting Tilting is used if you want to change some values in the settings Tilt the unit up to increase the value or check the box down to decrease the value or uncheck the box right to move the cursor to the right left to move the cursor to the left Higher value Move cursor left Move cursor right Lower value 12 Clicking Clicking is an alternative to tilting for setting values Tap the top of the unit with your fingers to increase the value or check the box the bottom of the unit to decrease the value or uncheck the box the right side of the unit to move the cursor to the right and the left side of the unit to move the cursor to move the cursor to the left Higher value TAP JA ill Move cursor left TAPI TAPI Move cursor right sa DEL DN LI A TAP Lower value 13 Surface mode Surface mode displays the main information about your current i
25. e goal is to have the largest snake But be careful Don t bite your own tail don t hit the wall don t hit the fence and do not eat poison skull Game control Tilting direction control KEY 1 give up the game KEY 2 give up the game Air transport When transporting the Freedom computer by plane the changes in pressure can cause activation of the device to occur This can be due to an overly sensitive pressure sensor which gauges pressure for the purpose of determining depth In order to prevent unwanted activation switch the Freedom to Flight mode Main menu gt Switch off gt Flight mode WARNING The Freedom must be activated manually before the next dive Maintenance Rinse the Freedom in fresh water after each dive Storage Store the unit in dry condition For long term storage keep it at room temperature with charged batteries Do not expose the unit to excessive sunlight Do not leave it in a wet dive gear box after a diving trip especially with salt water Disposal of the device Please dispose of the device in an appropriate way treating it as electronic waste Do not dispose of it as common rubbish 51
26. e inert pressure is equal to ambient pressure on 21 the surface If the GF 0 3 tissue compartments are saturated at 30 of M value Two GFs can be set gradient factor low and gradient factor high Gradient factor low determines the extent of oversaturation at depth This value is relevant to the first decompression stop depth GF high is the value of determined oversaturation at the end of ascent Use tilting or clicking depending on the setting to enter the values from 0 10 to 1 00 The default setting is GF low 0 30 GF high 0 80 NOTE in case of cave diving where is yo yo profile inevitable due to the cave profile is possible to set GF s near to 1 00 to avoid several Safety stop Main menu gt Setup gt Decompression gt Safety stop Enabled or disabled Safety stop range 6 3 m 10 20 ft Deco stop Main menu gt Setup gt Decompression gt Deco stops jutoperleil Last stop Round ing In this part of the menu you can choose the kind of decompression process and the depth of the last stop Stops Ceiling Main menu gt Setup gt Decompression gt Deco stops gt Stops Ceil You can choose between standard deco stops graduated after three meters and the ceiling The ceiling is an exact value according to the M value and GF of minimal depth to which a diver can ascend without risk of tissue oversaturation decompression sickness The diver must not exceed the ceiling in any case Using a ceiling
27. e right side column are displayed The decompression status graphic symbol shows arrow up This is the symbol for free ascent to the surface without decompression stops Depth Dive Time Dive time No Deco Ho 1 998 1 22 15 api No deco No Deco Depth m 4 b r Depth a O 33 During the dive it is possible to switch between screens with KEY 1 The Open circuit menu remains available during the whole dive Mix Mixture setup Games ath BOO During the ascent maintain the ascent rate In the case of exceeding the ascent rate two red arrows are displayed in the right side column and the alarm vibrates if it is set Screensaver The screensaver is very useful for preserving battery capacity We recommend using it for every dive If the screensaver is set your display will shut off periodically You have three easy options for returning to normal function if you need to read the display e Push any button e Tap onthe cover glass e Shine light on the display with your lamp Instructions on how to set the screensaver interval are available here Safety stop Every dive deeper than 10 meters requires a safety stop The safety stop takes place from six to three meters After exceeding six meters the decompression status graphic symbol changes to a yellow dashed line and the safety stop time starts a three minute countdown in the lower left box in the detailed screen in bottom middle box in the synoptic screen and
28. e set as your priority mode it starts automatically after you enter the water and dive below 1 5 m Stopwatch The stopwatch is activated with KEY 2 stopped with KEY 2 again and reset with KEY 2 LONG End dive and deactivation The dive is terminated at the moment of exceeding a depth of 1 2 m The dive mode is automatically deactivated after 10 minutes following the last dive For manual deactivation press BOTH KEYS and select End dive 46 Plan Decompression planner The DIVESOFT Freedom computer contains a comprehensive decompression planner for planning advanced and technical dives For the purpose of simple control which is limited to two buttons and tilting direct setting of the dive plan is limited to the surface interval depth time and bottom mix All other settings such as the unit system setting of gradient factors depth of the last stop ascent speed and the number and composition of mixes are taken from the current global setting of the Freedom computer Go to the Main menu and select the Plan item Plan mode surface interval Target depth Bottom time Bottom mix Start calculation start simulation save as default In the Plan mode item set whether the dive will be conducted with an open circuit OC or closed circuit CCR In the Surface interval item use tilting or tapping to set the time interval between the current time and the time of starting the planned dive The Freedom
29. f course you can always change it Factory defaults Main menu gt Setup gt Factory defaults If you are not sure about custom settings set all settings to default 20 Before the dive It is a good idea optimize your FREEDOM for your specific dive goals and needs You can choose your decompression strategy in many ways prepare gases for your dive and set alarms among many more parameters Salinity Main menu gt Setup gt Preferences gt Salinity Choose the salinity mode Salt water Fresh water Decompression Main menu gt Setup gt Decompression Gradient factor safety stop Deco stops Deep stops Ascent rate Descent rate Altitude Main menu gt Setup gt Decompression gt Altitude The FREEDOM computer does not have its own altimeter so the altitude must be set manually Correct setting of altitude is crucial for safe decompression and safe no fly limits Check your altitude setting before each dive and compare it with your current position or altitude of your target destination Use tilting or clicking depending on the setting for enter the value Gradient factor Main menu gt Setup gt Decompression gt Altitude bGF lou GF high The gradient factor GF serves for conservative correction of B hlmann s decompression model GF determines how far you want to be from M Value saturation If GF 1 0 you are reaching M Value If GF 0 0 all inert gases are de saturated and tissu
30. for deep stop maximum depth CNS temperature battery status decompression status and the selected setpoint are displayed on the detailed screen The No deco limit window is shared with the time at the decompression stop At the moment of expiry of the no decompression time the time spent at the first decompression stop is displayed Deep stop is indicated by the depth of the deep stop At the moment of reaching the deep stop level the depth value changes to time data corresponding to the moment of termination of the deep stop The values of partial pressures are displayed in white If a values are below the hypoxic limit the values are displayed in blue If the values exceed the hyperoxic limit the values are displayed in red Dive time ascent time depth highlighted maximum depth CNS temperature selected setpoint battery status and decompression status are displayed on the Synopsis screen switch to this screen using KEY1 41 Press KEY1 again to go to the Big screen on which are displayed only the dive time depth and no decompression time or as the case may be decompression information after expiry of the no decompression time On the Dive graph screen you will see the current dive profile with information on depth maximum depth and time Press KEY1 to return to the Detailed screen Menu BOTH KEYS Unlike the OC mode several items that are important for closed circuit diving are added to the menu Bailout
31. h alarms alarms are activated by each exceeding of the depth by descent Depth1 Depth Depths Timel Time Times CCR setup This part of the manual pertains only to Freedoms with a CCR license For setting the parameters of the CCR mode go to the Setup CCR setup menu Setup is identical for diving in the directly measured partial pressure mode Measured CCR and in the constant ppO2 mode Fixed CCR In the Number of sensors item set the number of sensors connected to the Freedom computer According to the setting the corresponding number of fields for displaying the measured ppO2 are displayed in the diving mode The setting of the number of sensors is irrelevant for the Fixed CCR mode With the Diluent item set the composition of the utilized diluent for your planned dive WARNING If you set a different diluent than the one you are actually using the Freedom computer will actually calculate the wrong decompression and CNS toxicity calculation This situation can cause serious injury or death 27 In the SP low item set the value of your low setpoint in ppO2 bars Notice the Freedom is not a control computer for your automatic solenoid valve for oxygen dosing The Freedom serves only for calculating decompression on the basis of a measured ppO2 in the breathing circuit Measured CCR mode b set ppO2 in the Freedom computer Fixed CCR mode For the most precise decompression calculation p
32. ile date and time in the format yyyy mm dd hours minutes maximum depth duration average depth and mode Depth Time grid Dive profile Dive date and time Maximum depth Minimum temperature Dive time Duration Aug Depth Mode Decompression status Average depth Diving mode Date date of dive in the format yyyy mm dd Time time of plunge in hours minutes Depth maximum depth in meters feet Duration dive time in hours minutes seconds Avg depth average depth of the dive is useful information for your personal SAC and RMV calculation Mode shows the mode in which the dive was performed OC SCR Free Gauge When the log memory is full the oldest dives are overwritten Data transfer Connect the FREEDOM to your PC or tablet with a USB cable Select USB in the menu The FREEDOM will be connected to your device as an external disk drive Download files from the DIVELOG folder to your hard drive and then upload data to WETNOTES COM Here you can store and edit your dives study graphs details and much more If you wish you can share dives with your buddy or a group Visit WETNOTES COM now and explore all the possibilities that it offers 49 Firmware update and upgrade The firmware upgrade and update process will be described in a specialized manual with first update release WARNING License is fixed to serial number and non transferable to other computers Games The DIVESOFT FRE
33. information shows the diver the maximum altitude that can be reached without DCS risks at this moment Priority mode information shows which mode is set as the priority mode The color of the information corresponds to the color of the set priority mode frame Time F Date 2013 Feb 06 10 23 Surface time B aus20 14 No fly Max altitude 0 00 9320 Switch off Log book gt short Sustem check L Games USB connection DIVESOFT Freedom E W Mm 2 e Press both buttons 14 Menu navigation After activating BOTH KEYS LONG Surface mode appears Press BOTH KEYS to switch to the Main For basic menu control Key symbols are placed in the left column on the display See the illustration below KEY 1 Confirmation Enter BOTH KEYS Back KEY 2 Down If the menu item has another submenu the arrow symbol is present Symbol for Key1 Cursor Menu name Confirmation enter Switch off Log book gt Symbol for Both keys Setup gt Symbol for submenu Back s Plan gt System check L Games USB connection Symbol for Key 2 Down Sophisticated menus were developed for orientation in the functions and settings Each mode has its own color of menu frame for better differentiation and easy orientation Surface menu shadow FETE G URSIMBNBNE and Free mode yellow 15 Main menu content Dive switch off Log book setup Plan
34. irst possibility is to set your GF low to a very low value for example 10 This setting determines the first decompression stop much deeper than one would expect The second possibility consists in additional stops added to your common Buhlmann decompression These stops are called Deep stops The FREEDOM uses Pyle s deep stop procedure It is possible to choose either one of these two options or to combine them Deep stops set as OFF by default For activation of deep stops press KEY 1 to switch to ON lf you want to use the descent rate warning make sure that the global alarms and descent rate alarm are set to ON 23 Ascent rate Main menu gt Setup gt Decompression gt Ascent rate one 1 2 Rate one 2 3 Rate 3 Some divers could take advantage of the possibility of a more aggressive ascent rate at greater depths Other divers would like to be safer by using a very slow ascent speed in the upper part of the dive or between deco stops It is your choice which strategy you will use The only limitation is that at depths to 30m the speed cannot be higher than 9 m per minute Select the ascent rate for the first zone between rate 1 and 2 and then select the range of this zone in meters or feet Continue with the same principle for another rates and zones Descent rate Main menu gt Setup gt Decompression gt Descent rate When you diving deep with trimix a slow descent is very important in order to av
35. is a way to maximally shorten the decompression procedure due to setting the accurate depth for desaturation without rounding The ceiling style of the decompression procedure is suited for advanced experienced and disciplined divers It is especially advantageous for ascents along some solid reference point rope anchor chain slightly sloping bottom Standard decompression stops are much more practical when ascending without a reference point or for less experienced divers Deco stops are the default setting Change the setting with KEY 1 22 Last stop Main menu gt Setup gt Decompression gt Deco stops gt Last stop The last stop determines how deep your last decompression stop will be It is possible to choose between 3 meters 10 feet and 6 meters 20 feet depending on your preferences conventions and ambient conditions A deeper last stop extends the decompression time but it is safer in big waves and much more useful when using oxygen with regard to the oxygen window Change the setting with KEY 1 Rounding Main menu gt Setup gt Decompression gt Deco stops gt Rounding The FREEDOM rounds the ascent and decompression time in 1s 30s and 60s relations Deep stop Main menu gt Setup gt Decompression gt Deep stop Bante Deep stops stops duration In order to prevent the formation of microbubbles in a diver s tissues it is a good idea to make deep stops There are several options for how to do this The f
36. ive profile graph which displays the situation at the moment of switching to the graph screen and it is refreshed every five seconds Under the graph are displayed essential online data dive time depth PO2 Current dive profile 60 0 m MAX 59 9 4 55 Actual depth Maximum depth Current dive time Screens legend Depth shows current depth in meters or feet depending on the settings with an accuracy of tenth Dive time measure of dive time from plunge to ascent termination in seconds Deco stop depth of the next or current decompression stop in meters or feet depending on the setting Ceiling The ceiling is the safe oversaturation limit This is the minimal depth at which divers can ascend in relation to their tissue saturation and selected gradient factor When the ceiling type of decompression is selected the ceiling information is displayed in the decompression stop box Instructions on how to perform ceiling decompression are available here Stop time time until the decompression stop in seconds When the diver is in a decompression stop this data shows the total time until the next decompression stop At the moment when the diver reaches the deco stop depth this time begins to count down to zero and then the time until the next stop NOTE When is the Ceiling type of decompression selected stop time is not displayed No deco information on how long the diver can stay at the current depth without decompression
37. limit of safe oversaturation If the diver follows THE decompression ceiling he she achieves the shortest possible decompression with the set parameters However the ceiling method requires a high level diving ability and experience The ceiling depth is displayed in the upper left box The ascent time is shown in the upper right box The diver can follow the ceiling depth but he she must always stay below this limit Exceeding the ceiling represents a huge risk of DCS Deep stops If there is a difference greater than 18 m between the maximum depth and the first regular decompression stop the FREEDOM shows the depth of the deep stop in the lower right box if deep stops are set When the diver reaches the deep stop depth the countdown starts in the lower right box instead of the deep stop depth The deep stop depth and countdown are shown in blue The length of the deep stop depends on your setting The deep stop depth is detected 1 2 Dive time Ascent m below the actual deep stop 99 34 282 Deep Stop symbol SPA Only sign of deep stop Depth m in synoptic screen Deep stops are not required When a diver passes a deep stop i e is 46 6 more than two meters above the Deco Stop Stop Time deep stop depth the time until the 33 4 135 next deep stop or conventional deco stop is displaved If the diver terminates a deep stop and then falls below the depth of last deep stop then the next deep stops are overwritten and the maxim
38. m which offers the possibility of immediately terminating the demo dive End demo dive or starting ascent at the current point in the demo dive Start ascent has been added to the menu BOTH KEYS The demo dive is recorded in the Logbook though such dive does not in any way influence the decompression model and calculation of decompression during the subsequent actual dive You also have the possibility to store the entered values as your default values This means that if you thus store such values the stored values will be displayed first upon the next opening of the planner Log book Main menu gt Log book The FREEDOM has an internal memory for logging your dives The internal memory can save 80 to 240 hours of diving profiles The quantity of saved dives depends on their duration and the amount of saved information The FREEDOM detects the changes in your diving profile every second If there are not any or events in your profile the FREEDOM saves only the initial information and the state before the change The FREEDOM thus saves internal memory capacity for more logs First the list of your logged dives is opened Each dive is described with the date dive time and aw maximum depth If there are several dives during a given day dives are marked with letters from a ll y to p 48 Pio ie Ll Ll A LO me OO Oo B Select the desired dive and open it with KEY 1 Each dive includes a graph of the diving prof
39. mum depth 43 Temperature current temperature in Celsius or Fahrenheit Battery status graphic symbol of battery status green when fully charged yellow when at 50 30 capacity orange at 30 10 capacity red when the battery charge is lower than 10 of capacity Surface part In the Surface part of Free mode the following are displayed time duration in seconds surface interval in seconds dive count cumulative dive time maximum depth Time Duration 12 14 0 00 E surface time 0 04 Dive count CumulativeT i 0 00 Max depth Temp 0 5 26 97 Time current time Duration duration from first plunge to manually ending the dive Includes all free dives and surface interval in one diving event training competition Surface interval time between two dives It is possible to set the surface interval alarm in Free setup Surface mode main menu gt Setup gt Free setup gt Dive count Cumulative dive time sum of dive times Total time spent under water Maximum depth maximum depth of all dives in the current diving event In the surface part of Free mode it is possible to switch to last dive information with KEY 1 It is possible to see stopwatch maximum depth dive time and minimal temperature of the last dive atopwatch Dive Time 0 00 0 00 E Depth m the Max depth Tenp ATA Stopwatch The stopwatch is activated with KEY 2 stopped with KEY 2 again and reset
40. nert gas saturation and implications for next dive Current time and date surface time since the last dive regardless of wether such dive was OC SCR or free diving no fly time and maximum altitude In addition priority mode information is displayed Surface mode uses a shadow frame Current Date Current Time Date Time 2013 Feb 06 4 O 23 Battery status Priority mode The mode in which the computer surface time starts after exposure to pressure P p Surface time 1 Baaus 20 1 PA Time since last surfacing Days Hours minutes No fly Max altitude 0 00 9320 No fly Max altitude Time remaining to allowable departure Maximum altitude to which Hours minutes you can climb at the moment Surface time is displayed in hours and minutes in the course of the first day After 24 hours it is displayed as days hours and minutes No fly Pressure in planes cabin is reduced to 76 1 kPa 0 761 bar and to 58 kPa 0 58 bar in an emergency situation The no fly time is time when a diver s tissues are still saturated with inertial gases and a reduction of the pressure level to that of the plane s cabin pressure could cause DCS DIVESOFT strictly recommends against flying before termination of the no fly limit Keep a sufficient period of time between your last dive and flying Max altitude atmospheric pressure decreases as altitude increases lt is the same principle as pressure reduction as a diver ascends Maximum altitude
41. ns to ensure that the calibration gas flows around the oxygen sensors and is not contaminated with other ambient gases Afterwards select Start calibration and confirm the displayed fraction of oxygen by pressing KEY 1 or if necessary cancel it by pressing KEY 2 After starting calibration wait until all sensors display the value Stable Then STORE THE CALIBRATION BY PRESSING KEY1 If you cancel the calibration by pressing BOTH KEYS the new calibration will not be stored System check System check shows the current information about the software and firmware versions license current settings battery status and pressure sensor status Diving with Freedom Open circuit dive mode The dive mode is the heart of the FREEDOM system The dive mode serves for online calculation of decompression using conventional open circuit scuba equipment It is possible to use a wide range of breathing mixtures from Air and NITROX to HELIOX and TRIMIX You can use up to nine variable mixes as travel bottom and decompression mixes The dive mode is identified by the blue frame Mode activation Go to main menu gt Dive gt Open circuit The current setting status is displayed first Check all settings and confirm with KEY 2 or go back with KEY 1 If you have the dive mode set as your priority mode it starts automatically after you enter the water and dive to a depth below 1 5m DIVESOFT recommends checking the battery status and manual ac
42. o decide how you want to use your new FREEDOM and set your personalization Horizontal calibration Before the subsequent setup it is crucial to have the correct level calibration Level calibration serves for the proper and accurate functioning of the accelerometer The built in accelerometer enables recognition of the computer s position thus making it possible to control the FREEDOM and change parameters by tilting or clicking Go to Main menu gt Setup gt Horizontal calibration Now place the FREEDOM a PERFECTLY STABLE HORIZONTAL POSITION on a table for example and press any key Wait for the result and then continue with the other settings Set time Main menu gt Setup gt Set time Set time is very important because several FREEDOM functions depend on having the correct time If you do not have the correct time set the FREEDOM cannot work properly Set the time by tilting Preferences Now you can proceed to your own FREEDOM personalization Go to Main menu gt Setup gt Preferences Display Timeouts User interface salinity Default mode 17 Display Orientation Main menu gt Setup gt Preferences gt Display gt Orientation Orientation SCreensaver show by light Screens Orientation allows changing the orientation of the computer from left hand orientation to right hand orientation so that you can use your FREEDOM on either hand without changing the direction of the buttons
43. oid HPNS Select the desired zone and set the descent rate by tilting or clicking depending on the setting to enter the values from 1 to 40 meters per minute olarn under Max rate Select the descent rate activation depth If you want to use the ascent rate warning make sure that the global alarms and ascent rate alarm are set to ON Mixtures Main menu gt Setup gt Mixtures In this menu set the gas mixtures that you will use You can use nine different mixtures with any fraction of oxygen nitrogen and helium 24 OZ 21 He WO o gt On a oo m Available mixtures are without brackets enabled mixtures are with brackets in the list of mixtures To reselect or adjust the mixture select the desired mixture and press KEY 1 Then it is necessary to select the checkbox if you want to use this mixture or deselect it if you do not want to use it by tilting or clicking Then set the fraction of individual gases with tilting or clicking Alarms Main menu gt Setup gt Alarms The FREEDOM contains numerous vibration alarms The diver can set many kinds of alarms which he considers to be important or can centrally deactivate all alarms WARNING Because the FREEDOM is primarily suited for technical diving all alarms are turned off by default bGlobal alarms Alarm sources Notifications Global alarms Set all alarms to ON or OFF Alarm sources Choose which alarms you want to use 25 Ceiling
44. ossible in the Fixed CCR mode switch the Freedom to the corresponding setpoint when changing the setpoint on the control unit of your rebreather We recommend setting a slightly lower setpoint than the actual setpoint on your rebreather By doing so you ensure a Safety reserve that partially eliminates the error consisting in variation of the partial pressure in the circuit Variation of the partial pressure of oxygen in the breathing circuit is caused by numerous factors and it cannot be effectively prevented SP low sets the low setpoint Select the item with KEY 1 and change the value by tilting or tapping The values are shown in bars The default value is 0 7 bar SP High sets the high setpoint Select the item with KEY 1 and change the value by tilting or tapping The values are shown in bars The default value is 1 3 bar Before diving do not forget to set the bailout gases Setting the bailout gases is identical to setting Mixtures for open circuit Faulty sensors In the Faulty sensors item it is possible to remove faulty sensors that significantly deviate from the values of other sensors or are completely nonfunctional By doing so you will remove the given sensor from the calculation of the ppO2 average which is used for calculating decompression and other computed values H Place the cursor on the defective sensor and use KEY 1 to change the value from Normal to Disabled Oxygen sensor calibration
45. partner during the dive it is necessary to correct the existing proportions Go to the Open circuit menu and select MIXTURE SETUP There you can change the proportions of your gases Measrued CCR mode Use of the measured CCR mode is intended for diving with a closed circuit apparatus when the partial pressure of oxygen in the breathing gas is measured directly by sensors connected with a cable to the Freedom computer In such a case this does not depend on the principle of the utilized rebreather all types of SCR eCCR and mCCR can be used Activating CCR mode To start a dive select the item Main menu Dive Measured CCR Measured CCR can be set as the default mode in preferences in such a case your computer will be started in this mode even in the case of automatic start of the Dive mode due to an increase in ambient pressure In addition this simplifies the selection of the dive mode prior to diving as the default mode is always offered first in the Dive menu After pressing KEY1 a recapitulation of the important settings will be displayed listing of bailout gases water salinity which has an impact on the precise measurement of depth gradient factors decompression procedure stops ceiling depth of the last stop activation deactivation of safety stops length of deep stops current altitude above sea level measured by a pressure sensor this value is influenced by weather status of alarms CCR mode number of sensors
46. period when a diver s tissues are still saturated with inertial gases and a decrease of pressure to the level of cabin pressure could cause DCS Set the correct altitude The FREEDOM computer does not contain an atmospheric pressure sensor which that would detect altitude Altitude is an essential parameter for computing the decompression procedure Wrong setting may result in DCSI A dive computer is a personal device Sharing one computer between several divers affects the decompression procedure Do not reset decompression data if it is used by one diver repeatedly Resetting the decompression data serves for use by diving schools and diving rental services Reset of the decompression data can be used only if the original diver will no longer use this computer Use conservative gradient factor setting The DIVESOFT FREEDOM computer uses Baker s gradient factors for setting decompression conservatism Be sensible and use a conservative setting adjusted to your physical and ambient conditions Decompression is influenced especially by physical fitness health body constitution mental condition exertion stress hydration CO level temperature individual predisposition gender and age A higher ascent rate is very hazardous and may cause DCS Do not exceed the maximum ascent rate If you do not follow decompression information your real ascent time could be longer than the device displays This could be due to spending more time at depth a
47. ring a dive this option is adjustable in the Main menu gt Setup gt Preferences gt User interface gt Gas shortcuts in firmware version 1 5 Key shortcuts are activated by default End dive This item which functions only on the surface terminates the dive and the dive is stored in the Logbook If a dive is not terminated manually it will end automatically following a ten minute interval from the last ascent above the depth of 0 5m The dive is then stored in the logbook without the last ten minutes on the surface Show plan The current course of decompression can be displayed during the dive If you are just under the surface or you launch a demo dive go to the menu BOTH KEYS and select the Show plan item The Freedom will display the list of decompression stops and the length thereof Use of all set mixtures with gas switch at the optimum depth is anticipated in the calculation of the ascent time 42 Free mode Free mode serves for the special needs of free divers Free mode is indicated by a yellow frame and is divided into two sub modes diving and surface Free diving is characterized by a lot of comparatively short dives with comparatively short surface times Therefore the sum of dives in one training session or competition is included in one specific log with detailed statistics Warning Free diving immediately after scuba diving is not safe and could cause decompression sickness especially DCS Type Il Microbubble
48. s caught in pulmonary shunts could be squeezed and transported to arterial blood where they could cause injury or death Scuba diving after free diving is possible Activating Free mode Go to Surface mode main menu gt Free mode Go to the Surface mode main menu gt Free mode If you have Free mode set as your priority mode it starts automatically after you enter the water and dive below 1 5 m The starting depth is set at 1 5 m by default but it can be changed in the Free mode settings Surface mode main menu gt Setup gt Free setup gt Free mode start depth or Free mode gt Setup gt Free mode start depth in the range from 1 m to 2 m Start dive the dive time starts at the moment when the diver s wrist with a fitted FREEDOM computer exceeds the Free mode start depth End dive the dive time is interrupted at the moment when the diver s arm reaches a depth that is shallower than the Free mode end depth Diving part In the diving part of Free mode the following functions are displayed stopwatch current depth dive time in seconds maximum depth temperature battery status atopwatch Dive Time 0 00 0 00 E Depth m the Max depth Tenp ATA Depth shows the current depth in meters or feet depends on the settings with an accuracy of one tenth meter foot Dive time measures the dive time from plunge to ascent termination The time activating depth depends on the setting Maximal depth shows maxi
49. t ascent above the depth of 0 5m The dive is then stored in the logbook without the last ten minutes on the surface Show plan The current course of decompression can be displayed during the dive If you are just under the surface or you launch a demo dive go to the menu BOTH KEYS and select the Show plan item The Freedom will display the list of decompression stops and the length thereof Use of all set mixtures with gas switch at the optimum depth is anticipated in the calculation of the ascent time Faulty sensors In the Faulty sensors item it is possible to remove faulty sensors that significantly deviate from the values of other sensors or are completely nonfunctional By doing so you will remove the given sensor from the calculation of the ppO2 average which is used for calculating decompression and other computed values Place the cursor on the defective sensor and use KEY 1 to change the value from Normal to Disabled 40 Fixed CCR mode The Fixed CCR mode is intended for apparatuses with a fully closed circuit eCCR mCCR that do not have their own decompression computer but do have their own ppO2 monitor In this mode decompression is calculated on the basis of strictly set partial pressure which corresponds to the selected setpoint on the rebreather Maintaining the set ppO2 and timely switching of the setpoints according to the current actual ppO2 status on the rebreather are of key importance for
50. takes into account the diver s tissue saturation with inert gases from previous dives In the Target depth item set your planned maximum depth Units are set according to your global setting metric meters imperial feet In the Bottom time item set the total time of stay at the bottom until the moment of beginning the ascent The descent time at the assumed speed of 30m min is also figured into the bottom time The Bottom mix item determines which of your preset mixtures will be used for the stay at the bottom Other gases will be used as travel and decompression mixtures Only preset gases are displayed in the list of gases in the main menu gt setup gt mixtures Gases are used in the planner so that all of the gases are used during ascent at the moment when the ppO2 of the given mixture reaches 1 6 bars The depth for gas switch is rounded to 3m Surface int or as the case may be 10ft Every mixture is differently color Depth coded in the plan Air is depicted as white oxygen blue nitrox Duration mixtures green and trimix mixtures brown The shade of green and brown differs in relation to the oxvgen content of the given mixture The Start calculation command starts the calculation of your plan Upon pressing KEY 1 a recapitulation of the set values 47 the no decompression time for the set depth ascent time and total dive time are displayed If you are not satisfied with the settings you c
51. ter booting the FREEDOM switches to surface mode After descending to a 1 5 meters the FREEDOM is activated automatically In the mode in which it is activated depends on the default mode setting Control Buttons The Freedom is controlled with two buttons depending on the configuration tilting and clicking are used for editing data Irrespective of the orientation right or left hand the top button is labeled K1 and K2 is at the base Each button can be pressed briefly at least 250ms or for a longer time press and hold at least 2 55 List of handling and labeling as used in the following description A Short press K1 KEY 1 Short press K2 KEY 2 Long press K1 KEY 1 LONG Long press K2 KEY 2 LONG Short press both BOTH KEYS Long press both BOTH KEYS LONG 10 Universal codes BOTH KEYS LONG return to the basic screen under the schematic leaving all menus DEBUG SEQUENCE creation of an internal state of FREEDOM dump for later analysis of defects Working with menus KEY 1 select marked items KEY 2 cyclically move the cursor down one tem BOTH KEYS return one level back or access the menu Main screen codes KEY 1 switch to next screen cyclic KEY 2 screen on off energy saving BOTH KEYS access the standard menu OC mode KEY 1 switch to next screen cyclic KEY 2 screen on off energy saving BOTH KEYS entry to OC menu KEY 1 LONG gas switch up cyclic KEY 2 LONG gas switch down cyclic Free mode and Gaug
52. the correct calculation of the decompression procedure A preset setpoint can be switched during a dive with the keypad shortcuts KEY1 LONG and KEY 2 LONG Warning failure to maintain the partial pressure of oxygen in the values of the actual partial pressure in the rebreather can cause serious injury or death Activating Fixed CCR mode To start a dive choose the item Main menu Dive Fixed CCR Fixed CCR can be set as the default in preferences in which case your computer will be started in this mode also in the case of automatic start of Dive mode due to an increase of ambient pressure In addition this simplifies the selection of the dive mode prior to diving as the default mode is always offered first in the Dive menu After pressing KEY1 a recapitulation of the important settings will be displayed list of bailout gases water salinity which has an impact on the precise measurement of depth gradient factors decompression procedure stops ceiling depth of the last stop activation deactivation of safety stops length of deep stops current altitude above sea level measured by a pressure sensor this value is influenced by weather status of alarms CCR mode number of sensors diluent composition SP low and SP high The dive mode is started after the important settings have been checked Depth dive time window for decompression stops actual time ascent time currently used mixture no deco limit time at stop window
53. this function is that the depth must be less than 0 5 m Mixture setup set or correct proportions and enable or disable used gases Games switch to games during deep or safety stops Switch off switch off the whole computer A condition for use of this function is that the depth must be less than 0 5 m Symbols legend Symbols are displayed during the dive in Open circuit or SCR CCR mode These symbols appear in the right side column on the display They represent the current situation and recommend procedures to divers No Deco Free ascent H Ascent speed exceeded Slow down Decompression ceiling exceeded Go down to ceiling depth 32 a Ceiling depth reached Deco stop reached ie ceiling depth Decompression required Decompression stop exceeded Go down to decompression stop No decompression dives Before the dive activate your FREEDOM go to Main menu and select Open circuit or make sure that Deep stop reached Safety stop Stay between 6 and 3 meters for 3minutes you have set Open circuit as your Default mode for correct automatic activation Make sure that the altitude setting corresponds to your current position Check your breathing gas and compare it with the setup Check the battery status to be sure that it is sufficient for the planned dive At the start of the dive depth time no decompression time in minutes for the current depth information in the bottom boxes and graphic information in th
54. tivation before entering the water Screens SCR mode includes four screens The diver can scroll cyclically between screens with KEY 1 The Detailed screen is the most detailed screen and it displays Depth Dive time Deco stop Ceiling Stop time Ascent time Deep Stop Max depth Temperature ppO2 decompression status graphic symbol battery status graphic symbol 29 Actual depth First deco stop depth Current breathing gas Time on deco stop Maximum depth Depth 60 0 Deco Stop On Stop T 2 00 Dive Time 4 32 Ascent 13 Deep Stp 22 Max CNS Floor Temp 6 295 C 1 60 0 4 Oxygen Decompression clock floor p02 Dive time Battery status No deco time Ascent time Decompression status symbol Deep stop depth countdown Current oxygen partial pressure Current temperature The Synoptic screen is well arranged for quick and easy reading of key data Dive time Ascent time Depth Deco stop Stop time PO2 decompression status graphic symbol battery status graphic symbol Dive time Actual depth Dive time 4 43 Ascent 13 Depth m 60 0 Deco Stop Gr First deco stop depth The Big screen displays just essential data dive time depth PO2 Stop Time 2 00 30 Time on deco stop No deco time Ascent time Battery status Decompression status symbol Current breathing gas The Graph screen displays the current d
55. um depth after the last deep stop is considered to be the maximum depth for calculation Multi gas decompression dives Some dives require use of several gas mixes The FREEDOM makes it possible to use up to 10 different mixtures One mixture is reserved for the bottom mix and the other nine mixtures can be used as travel or decompression gases WARNING Diving with additional gases requires relevant training and education from an accredited agency 37 WARNING Always analyze all of your gases before diving The best way to analyze your mixtures is by using a DIVESOFT He O2 Analyzer First it is necessary to set your mixtures before the dive Make sure that you have enabled all desired gases and that all of your selected mixtures have the correct proportion set TIP We recommend disabling all gases which you are not going to use Choosing a mixture during a dive is much easier if you select from fewer issues Gas switching WARNING Before you switch to another gas make sure that the MOD of the desired gas is greater than your current depth Make absolutely sure that you that you are using the regulator from the desired bottle When you start breathing from a new bottle switch to the currently used gas in your computer There are two ways to switch gases in the FREEDOM The first possibility is to access the Open circuit menu with BOTH KEYS In this menu select MIX scroll with KEY 2 and confirm your selection with KEY 1 Dangerous
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