Divesoft Freedom Bottom Timer User Manual
Contents
1. 6 Section 2 7 21 Control elements 1 2 1 1 Meanings of inputs in surface modes 7 2 1 2 Meanings of inputs in dive modes 8 2 1 3 Language 8 2 2 Switching on the unit 9 2 3 Switching off the unit 9 2 4 Brightness control 10 2 41 Advised strategies for diving in darkness 10 Section 3 Surface BERR BRE K K K K KK KK REPRE KK KK K K K 11 3 1 Surface mode 11 3 1 1 Entering surface 11 3 1 2 Surface mode screen 11 3 1 3 Switching to other 12 Section 4 Dive ua LO 41 Bottom timer 13 4 1 1 Synoptic screen 13 2 10 annA 14 41 3 Dive profile screen 15 4 1 4 Dive 16 42 CCR Bottom 18 4 2 1 O gt sensors connection 18 4 2 2 Synoptic screen 18 2 23 BIG 19 4 2 4 Dive profile screen 19 42. 35 10 1 3 Demo Mo ai 34 Nan eee ee 34 10 1 5 Miscellaneous oooooooooooWo oo 34 Section 11 Hardware 36 WA Na Ge mena 36 Wrist MOUNU 36 11 3 Physical 37 11 4 Oz sensor 38 11 5 Environmental specifications 39 COMO ANC an 39 Na naik 39 11 6 2 EN 13319 NN PN AE EA 39 11 7 Disposal of waste eguipment 40 Section 1 Quick start guide 1 Recharge battery Use the charger included in the package or another suitable USB charger or a computer USB port See Charging page 36 for detailed information 2 Switch on Hold both buttons until you feel a vibration and the display starts The computer will be in Surface mode after a few seconds 3 Reset to factory defaults if necessary It is not necessary to reset a new computer If you are in doubt about the correct setting perform the reset to factory default Short press both buttons to enter the menu Move the cursor to Setup with the lower button and select with the upper button Then move the cursor to Factory defaults select and confirm Horizontal calibration starts automatically after the reset Place the computer on a table and press any key 4 Adjust to right hand if required Adjust display orientation to your preference Short press both buttons to enter the
3. 990 5 mbar 30 2 C 992 0 mbar 188 m Section 9 Games Do not disable alarms if the games are played during a deco stop Ensure to not accidentally reposition yourself while playing during a dive Check the pressure gauge on a regular basis Playing a game will reduce your attention Remember you want to decompress safely not just achieve a higher level in the game The games were tested on children Nobody was hurt 9 1 Sokoban Sokoban is a type of transport puzzle in which the player a diving mask with snorkel pushes tanks or crates around in a warehouse trying to get them to storage locations red dots The game is played on a board of squares where each Square is either a floor or a wall Some floor squares contain tanks and some floor squares are marked as storage locations The player is confined to the board and may move horizontally or vertically onto empty Squares never through walls or boxes The player can also move into a tank which pushes it into the square beyond Tanks may not be pushed into other tanks or walls and they cannot be pulled The puzzle is solved when all tanks are in the storage locations 9 2 Snake Snake is a game where the player maneuvers a line which grows in length with the line itself being a primary obstacle The player controls the head of the snake As it moves forward it leaves a trail behind resembling a moving Snake The snake has a specific lengt
4. The levels of the display backlight brightness can be changed using the lower key The display can be switched off can be switched to preset and to maximum brightness The level of the preset brightness can be set in Setup Brightness If the display is off then use the short press to switch it on After switching it on pressing with a short delay between presses lt 1 switches the brightness level The display can t shine through disturbed silt or mud on low brightness If it is necessary to switch to maximum brightness just short press the lower key repeatedly The maximum brightness will be set after two button pushes if the display was off in the beginning or three pushes if the display was on 2 4 1 Advised strategies for diving in darkness High brightness all the time This is the preferred option for a simple dive with a high power diving light torch used by all team members Brightness level 6 to 8 is recommended Don t use this option if light coming from the Freedom display and light coming from your diving partner s torch can t be clearly distinguished in the peripheral vision Otherwise it may lead to the separation of the team members Switching on off This option is typical for cave diving Set brightness to a high level 6 to 9 and a short screensaver timeout 15 s is more than enough Preferably activate the display by light during a dive Move the Freedom to the light beam instead of m
5. exit without saving Press lower key save and exit 6 1 7 Factory defaults Reset all settings to default values except date and Yes Factory defaults will start automatically after the reset No time Computer will be restarted and the horizontal calibration 28 Section Rebreather The following functions are only available in the CCR Bottom Timer version 7 1 Surface menu The Rebreather menu item 7 1 1 Stack time reset Stack time reset Don t forget to reset the timer when you refill the Start 02 calibration Change 02 cal scrubber See also Stack warning 0 min page 30 7 1 2 Start O2 calibration It is preferred to calibrate O2 sensors prior to each dive Do not use sensor readings from sensors calibrated more than three days ago 52 03 Wait 1 2 53 81 mV Wait 1 2 1 Rebreather gt Start O gt calibration 47 77 mW Wait 5 0 Check the calibration gas Temp 25 8 C Wait for stable values Baro 1000 9 hPa Start and wait for the process to end Confirm the save Whether or not a sensor is already at the end of its service life is also determined during calibration 51 98 Stable 53 81 Stable At higher altitudes above sea level the partial pressure 47 76 Stable of oxygen the calibration mixture decreases proportion to lower atmospheric pressure The Freedom Temp 25 9 C 1000 8 measures atmospheric press
6. Faulty sensors You can mark any connected but untrustworthy sensor as disabled By doing so you will remove these sensors from the calculation of the average 30 Section 8 System check 8 1 1 Version The version license is fixed to the unit s serial number and not transferable to another unit The serial number is needed for the firmware upgrade Check www divesoft cz support for new firmware versions When reporting a bug please indicate the FW version including the build number 8 1 2 License This screen describes the scope of the SW license Mixture specification is only applicable for the Divesoft Freedom in decompression computer versions 8 1 3 Battery Detailed state of the battery is described The battery voltage Ubat is measured precisely The remaining battery power and estimated runtime 1 determined by the voltage 8 1 4 Pressure sensors status The atmospheric pressure depends on the altitude and weather Average sea level pressure is 1013 25 mbar The current altitude is calculated from the atmospheric pressure It is merely an approximate value deviation up to 200 1 not a malfunction and doesn t need a correction The sensor correction for a more precise measurement of barometric pressure or altitude and temperature can be set in Setup gt Calibration 31 3 0 7044 00032481 1 12 3264 2015 08 07 16 11 08 Bottom Timer CCR 0 0 0 BT 7044 00032481
7. The majority of depth gauges is calibrated to fresh water Do not change this setting unless a direct comparison with a depth gauge calibrated to seawater is needed or decompression calculations based on seawater density is used 6 1 5 Calibration Note For rebreather see O2 sensors calibration page Start O2 calibration29 Horizontal calibration Allows the calibration of accelerometers which are used for control by tilt Place the computer horizontally Horizontal calibration Pressure corr display up and press any key It is preferred to use a Temperature corr Stable horizontal surface e g a table Pressure corr 0 00 mbar Specify pressure sensor correction for a more precise measurement of barometric pressure or altitude This correction is not needed for general use Temperature corr 0 0 C F Specify temperature sensor correction for a more precise measurement of temperature This correction is not needed for general use 27 6 1 6 Date and time Local time in format YYYY MM DD hh mm ss can be set It is advised to set the local time of a destination prior to leaving for a diving vacation ina different time zone Editor use Tilt toward yourself decrease the entered digit by one 2015 08 10 16 11 08 Tilt to the left move the cursor to the left Tilt to the right move the cursor to the right Press upper key discard editing reset to previous value Press both keys
8. descent has been reached It is possible to set three separate depths in the range of 0 300 where 0 means deactivation of the notification Time A notification that the dive time has been reached It 1 possible to set three separate times in the range of 0 999 min where 0 means deactivation of the notification Low battery 25 The alarm is activated if the remaining battery capacity falls below this limit Range is O 40 0 means that the alarm is disabled If set to a value greater than 10 then a second alarm occurs when reaching 10 25 6 1 4 Preferences Screensaver Show by Light Screensaver 0 s Screens gt Timeouts gt The display will be switched off after the screensaver Units Key press delay timeout expires Zero disables this feature i e display Vertical speed Salinity is on all the time Show by light On The display can be activated switched on with a light beam The light sensor is on the side of the display adjacent to the buttons so the light beam has to come from the side opposite the buttons Move the Freedom to the light beam instead of moving the beam to prevent confusion with a light signal Screens Any of the dive mode screens can be disabled Timeouts Surface idle Prepared idle Dive termination Dive end confirm Timeouts Surface idle 10 min The Freedom will be switched off after this timeout expires range 1 120 min Before s
9. has to offer 5 4 1 Log processing in the cloud 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 5 4 2 Off line log processing A simple desktop application for reading dive logs directly on a PC with MS Windows can be downloaded at www divesoft cz support 21 Section 6 Setup The Divesoft Freedom Advanced Bottom Timer is configured in the surface mode Activate the surface Brightness i Orientation mode main menu with a short press of both keys and Alarms gt Preferences select Setup Calibration Date and time If you are not sure which value to set leave the values Factory defaults of the default setting The factory default setting value is shown in square brackets in the following headlines 6 1 1 Brightness 7 The display backlight brightness level can be set from 1 to 9 The change in brightness 15 immediately Increase 1 I Decrease 1 reflected while adjusting so it is preferable to change Set as default 6 this setting in the shade or in the dark For diving with eyes accommodated to darkness use the lowest brightness setting level 1 Use high brightness level 7 to 9 for diving with a high level of ambient light Also see Brightness control page 10 22 6 1 2 Orientation
10. is properly installed See www divesoft cz support for further information and for the firmware download 35 Section 11 Hardware 11 1 Charging Use the USB charger included in the distribution package or any USB port suitable for charging The included charger is international it can be connected to the all major wall sockets The Freedom s connector Is situated between the buttons If the connector is protected by the lid then unscrew the connector lid before attaching the cable The computer may or may not be switched on during charging If the computer is switched on then the icon in the top right corner on the surface screen indicates the State of charge Charging in progress Battery is full but plugged into the charger It takes about 5 hours to charge from near empty state to fully charged Maximum charging current is less than 500 mA so there is no difference between charging using the charger or charging from an ordinary computer USB port Charge the battery at least once every six months 11 2 Wrist mount If you prefer a strap pass the strap under the bars Use the Velcro on the strap to tighten If you prefer a bungee then remove the screws holding the bars using a Torx screwdriver T 20 size Don t use any other tool screw heads are easily damaged If you want to use a silicon protective sleeve install it before installing the bungee It is not possible to put the sleeve on the comput
11. 2 5 Sensor screen 19 4 2 6 Dive 19 Section 5 Log jbocok 20 SAL 20 I 20 UNTIMELY 21 5 4 Log download 21 5 4 1 Log processing the cloud 21 5 4 2 Off line log processing 21 Section 6 Setup 22 041 1 Bright ess 7 mama 22 6 1 2 Orientation Left 23 Pa UNS u on an mana 23 6 1 4 Preferences 26 6 1 5 Callbralioitu oa samaan 27 6 1 6 Date and 28 Gils Factory detail ana 28 Section 7 29 7 1 Surface menu 29 7 11 Stack time reset 29 7 1 2 Start Oz calibration 29 PAS Chana 7 Cale ena 29 7 2 SeuUup r 30 Section 8 System check 31 opel Mer ON toba aa een ee 31 en en 31 Gea Beren onlen 31 8 1 4 Pressure sensors status 31 Section 9 32 9 L SOKO Nat 32 9 2 mma 32 Section 10 Service functions 33 DENU 33
12. Buttons It runs a simple test of both buttons Vibration It runs a short test of the vibration Display A red green and blue screen will be displayed for the display test 33 Watchdog Watchdog is a timer that is used to detect and recover from firmware malfunctions You can intentionally hang the computer via the Freeze system function and test a recovery computer automatically restarts if watchdog works properly Warning Do not test system freezing during a dive Test dive The test dive is used by the manufacturer or an authorized service for the pressure sensor calibration and tightness test It is similar to the gauge mode The test dive log will be stored but clearly marked as a test dive The test dive is not included in the log summary 10 1 3 Demo dive The demo dives are suitable for those interested in a demonstration of the Divesoft Freedom features There is no risk associated with performing the demo dive During a demo dive almost all functions can be tested on the surface One exception is the pressure sensor reading Also Oz sensors connected with a cable can t be used The Emergence du Ressel demo dive uses the authentic depth profile from the penetration through the first sump of this French cave Demo dive logs can be permanently stored into the log memory The oldest dive logs will be replaced by the new demo dive log if the memory is full Demo dive logs are clearly marked A de
13. DIVESOFT Freedom USER MANUAL Advanced Bottom Timer CCR Bottom Timer 5 u oO Vs k gt HW rev 3 0 FW 1 12 August 2015 Divesoft Freedom User Manual Advanced Bottom Timer CCR Bottom Timer Author Tomas Sladek Publisher Divesoft s r o www divesoft cz Issue Version 1 00 24 August 2015 Use of this manual approved by Lucie Smejkalova CEO Introduction Use of this manual This user manual ts part of the Divesoft Freedom documentation The Divesoft Freedom is intended for use exclusively by a trained person who Is capable of fully understanding the instructions contained in this manual The technical documentation is subjected to a process of continual development and improvement Therefore please regularly check the website at www divesoft cz for updates This manual provides operating instructions for the hardware and software firmware version of the Divesoft Freedom written on the tittle page Safety Warning The bottom timer is not a decompression computer Use appropriate methods for the decompression profile and oxygen exposure calculations Warning Use backup instruments Ensure that you have access to backup instruments for measuring depth and time Never risk your life by relying only on one source of information Warning Always check the device before diving in order to ensure that the display works the device has not run out of batter
14. Left hand The left hand right hand and auto orientation can be selected Auto orientation selects the left or right hand position automatically during the start It will not switch the display orientation when the diver changes position i e during a head down descent 6 1 3 Alarms The Divesoft Freedom uses vibrating alarms Users can even feel the vibration through a drysuit There are no audible alarms All alarms and notifications can be switched on or off If you do not have any serious reason to deactivate the alarms leave them switched on Rate Ascent rate On An ascent speed exceeding the permitted value for the current deep interval activates this alarm See ascent rate setting in Setup gt Alarms gt Rate Rate setup Ascent rate Rate Descent rate Off A descent speed exceeding the permitted value while below the set depth activates this alarm See descent rate setting in Setup gt Alarms gt Rate Rate setup gt Descent rate 23 Rate gt Depth Time Low battery Ascent rate Descent rate Rate setup Ascent rate gt Descent rate gt Rate setup Ascent rate Speed 1 Rate is used for the indication of the ascent rate if Depth zone 1 l l Speed 2 relative measuring percentage is set in Setup Depth zone 2 Preferences gt Vertical speed Speed 3 Speed 1 10 m min 33 ft min The anticipated ascent rate within small depths in zo
15. Soe 02717 re listed The memor ity roximately 1 2015 05 17 are listed e memory capacity is appro ately 100 2015 05 16 hours of typical dive profiles When the memory is full 2015 05 05 2015 05 05 the oldest records are automatically deleted 2015 05 05 Second and subsequent dives in one day are marked with corresponding letters Demo dives logs stored after the dive simulation are marked with light blue characters Test dives are marked with red characters e g the first dive to approx 350 m Use upper button short press to open the screen with the dive details Use long press to go through the pages 20 5 3 Summary A summary of all dives from the memory of the Divesoft Freedom is shown test and demo dives excluded 5 4 Log download Connect the USB cable included tn distribution package to the USB port of your computer tablet or mobile phone A USB adapter will probably be necessary for mobile devices Select the USB connection item in the menu The Divesoft Freedom memory can be connected as a mass storage device like a flash drive The connection to Windows Mac Linux Android and iOS was tested but there is no guarantee of compatibility with all operating systems and all computers Access to the internal memory Is read only Logs are stored in the DIVELOG folder data from one dive is stored as one DLF file w Wetnotes com Visit WETNOTES COM and explore all the possibilities that it
16. ar decompression stops Setup 34 9 Reset average A new start point for depth averaging will be created The restart point is indicated by the vertical line on the dive profile screen Add bookmark A bookmark will be created in the dive log The bookmark number is displayed in the notification that follows 16 End dive End dive and switch to surface mode This menu item is enabled only on the surface Switch off End dive and switch directly to standby mode This menu item is enabled only on the surface Setup Brightness gt Orientation Brightness Screens a The display backlight brightness level can be set from 1 to 9 The change in brightness is immediately reflected while adjusting Orientation The left hand right hand and auto orientation can be selected Increase 1 Decrease 1 Auto orientation selects the left or right hand set as default 7 position automatically during the start It will not switch the display orientation when the diver changes position during a head down descent Screens Any of the dive mode screen can be disabled Games You can pass the time on a decompression stop with playing games See Games page 32 17 4 2 Bottom Timer The rebreather dive mode Is only available in the CCR Bottom Timer version with at last one connected O2 sensor It is strongly recommended to familiarize yourself with basic bottom timer functio
17. display glass e Shine a light on the display Long press means pressing the key for more than 2 5 seconds The key press operation is terminated at the moment the key is released or in case of pressing both keys when the last key is released The upper lower keys and directions of tilting are determined by the display orientation depending on whether it is set up for the left or right hand 2 1 1 Meanings of inputs in surface modes The keys and other inputs are assigned meanings in connection with the current navigation item in the menu At the same time however general rules which apply wherever possible are determined for their use Press upper key confirm the menu item just selected Press lower key cycle downward through the menu Press both keys exit the menu without performing any action Long press upper key page up Long press lower key page down Long press both keys return to main screen Coded key press enter service functions menu Tilt away from yourself increase of the entered digit by one or check flag Tilt toward yourself decrease of the entered digit by one or uncheck flag Tilt to the left move the cursor to the left Tilt to the right move the cursor to the right Wherever possible menu editing screen helpful symbols relating to the keys are displayed A symbol can be either next to a key indicating the action executed during a Short key press or between the key
18. er with the bungee already installed Pass the bungee through the threaded holes and secure with a knot There is a special thread inside the holes which does not damage the bungee Use a small to melt the braid of the bungee and make tip on the end of it for easier pass through Both the strap and bungee are included In any case the opening on the back of the computer must remain freely accessible When you mount the computer directly on bare skin avoid closing the opening The pressure sensor is located there 36 11 3 Physical dimensions UO Jjuwgg Juutusg9 85 3 3in 37 11 4 O gt sensor cable The cable equipped with the Molex connectors is included in the Closed Circuit version of the Divesoft Freedom distribution package or can be ordered Separately The technical design of the connections on a specific type of rebreather is not covered in this user manual Cell 3 Cell 2 Cell 1 Cable is delivered with terminals Molex 08 55 102 crimped connectors Molex 22 01 3037 are packed separately to be mounted after passing through cable gland Connector Molex 22 01 3037 Terminal Molex 08 55 102 Cable 6x0 25 23 AWG PUR jacket diameter 6 1 0 05 mm Ultra flexible core VDE 0295 class 6 white GND yellow brown GND pink green GND gray 11 5 Environmental specifications Recommended operating conditions Recommended operating tem
19. ers in the European Union If you wish to discard electrical and electronic equipment please contact your dealer or Supplier for further information Information on Disposal in other Countries outside the European Union This symbol is only valid in the European Union If you wish to discard this product please contact your local authorities or dealer and ask for the correct method of disposal 40
20. h The player loses when the snake runs into the screen border a trail or another obstacle or eats poison skull or starves to death The snake lose its length slowly every 30 steps and when it is too short it dies from starvation The player attempts to eat fish by running into them with the head of the snake Each fish eaten makes the snake longer so maneuvering becomes progressively more difficult 32 Section 10 Service functions Service functions are primarily intended to support a qualified technician or to be performed with the recommendation of the manufacturer s technical support These functions are not blocked but no end user support Is provided A detailed description is beyond the scope of this manual An IT specialist can understand most of them without further description The service functions menu 1 accessible via the coded key press press both keys release one key and press it again release both keys 10 1 1 Debug All debug information is read only There 1 no risk associated with browsing them just for curiosity Sensors A detailed state of all sensors Deco model This has no use in the bottom timer version of the Divesoft Freedom Scheduler The firmware task list with information specifying the system footprint Variables The values of some internal variables 10 1 2 Test There is no risk associated with performing these tests just for curiosity while on the surface
21. ion is useful for checking compliance with the schedule Avg The average depth 15 indicated in yellow by a horizontal line and a numerical value A new start point for depth averaging can be created in the dive menu This point 15 indicated by the yellow vertical line and the horizontal average depth line starts from there Current depth See lower left corner i 77 0 116 52 Dive time The runtime of the current dive is placed in lower right corner Max The maximum depth reached during the dive The field with this value is placed in the middle of bottom line 15 4 1 4 Dive menu During a dive in any dive mode press both keys simultaneously to show the dive menu This shows current depth partial pressure of oxygen rebreather only and dive time on the bottom of the screen Stopwatch The elapsed time is written in white while the stopwatch Is running or in gray when the stopwatch is not running Start stopwatch This starts the timer If the stopwatch was previously halted then the count continues from the indicated time Stop stopwatch Start stopwatch This stops the timer leaving the elapsed time Clear stopwatch Reset average displayed Add bookmark Clear stopwatch Setup This completely resets the stopwatch to zero 34 9 Restart stopwatch Stop stopwatch This restarts the timer from zero Restart stopwatch Reset average This function is especially useful for nod Do m
22. menu Move the cursor to Setup with the lower button and select with the upper button Then select the Orientation menu item 5 Switch to imperial units if required Adjust the units to your preference Short press both buttons to enter the menu Move the cursor to Setup with the lower button and select with the upper button Then select Preferences gt Units 6 Select wrist mount If you prefer a strap attach the strap to the computer If you prefer a bungee then remove the screws holding the bars and pass the bungee through the threaded holes See Wrist mount page 36 for detailed information 7 Plan your dive Use appropriate methods for the decompression profile and Oz exposure calculations 8 Switch to dive mode In the menu select Dive or enter the water and submerge to a depth greater than 1 5 m Now your Divesoft Freedom Bottom timer is prepared for a dive Section 2 2 1 Control elements The following inputs and combinations are differentiated e Press upper key e Press lower key e Press both keys e Long press upper key e Long press lower key e Long press both keys e Coded key press press both keys then release one key and press it again then release both keys e Tilt away from yourself e Tilt toward yourself e Tilt to the left e Tilt to the right e Tap the
23. mo dive log if this is the last dive can be erased later using Demo dive gt Erase demo log 10 1 4 Syslog The system events log list All information is read only 10 1 5 Miscellaneous Warning These functions can alter values of internal variables or and the state of the Divesoft Freedom Use them with caution and only if you understand the consequences Force Dive Start It can be used for an extraordinary shallow dive in a place where initial submersion to depth greater than 1 5 m is impossible This can also be used if the automatic dive start failed for any reason e g submersion recognition algorithm is confused by previous pressure changes unrelated to diving 34 Force Dive End If the surface pressure zero depth was incorrectly detected and the computer dives while on the surface then the dive can be forced to stop with this function Browse config Every setting can be read and changed The majority of settings can also be changed using an ordinary setup the equivalent minimum and maximum limits for every setting will be applied There are only few internal configuration parameters intended for special Use Reset deco data This has no use in the bottom timer version of the Divesoft Freedom Bootloader Restart to the bootloader mode for the firmware update or version upgrade Connect the USB cable included in the distribution package to the USB port of your computer where the DSLoader software
24. n on the display in the top left corner of the middle section Vertical speed The ascent and descent rate indication can be set to a relative or absolute m min or ft min reading The relative reading is based on the maximum ascent or descent rate Set in Setup gt Preferences and Setup gt Alarms gt Rate gt Rate setup Depth The depth reading can be set to m or ft in the setup Depth is calculated from measured hydrostatic pressure For calculation fresh water default or seawater density can be set in Setup gt Preferences 13 Depth The maximum depth reached during the dive Avg depth The average depth of the dive A new start point for depth averaging can be created via the dive menu This point is indicated by the yellow vertical line on the profile screen Temp Water temperature 15 measured inside the computer case After a temperature change wait about 1 2 minutes until the temperature reading reaches a stable value The temperature in air is affected by many factors and is only an indication A temperature correction can be set in Setup gt Calibration for better accuracy 4 1 2 Big Screen The most important information is written in really big characters This screen is useful tn very bad visibility Many divers can read the numbers even without a mask The meaning of all values is identical to the detailed screen 14 4 1 3 Dive profile screen Start The time of submers
25. ne 1 range 1 20 m min The value is m min in metric and ft min in imperial units Depth zone 1 10 m 3 ft The depth defining zone 1 This zone lies between the surface and the set depth range 0 300 m The value is m in metric and ft in imperial units Speed 2 10 m min 33 ft min The anticipated ascent rate within medium depths in zone 2 range 1 20 m min Depth zone 2 80 m 262 ft The depth defining zone 2 This zone lies between depth zone 1 and the set depth range 0 300 m Speed 3 18 m min 59 ft min The anticipated ascent rate within large depths in zone 3 range 1 20 m min 24 Rate setup Descent rate Rate is used for the indication of the descent rate if relative measuring percentage is set in Setup Warn under Max rate gt Preferences gt Vertical speed Warn under 80 m The threshold at which the alarm is activated to indicate exceeding the descent rate At smaller depths exceeding the descent rate is ignored The value is m in metric and ft in imperial units This alarm is disabled in factory default setting It can be enabled in in Setup gt Alarms gt Rate Max rate 20 m min The anticipated descent rate range 1 40 m min The value is m min in metric and ft min in imperial units Max rate 30 m min is used to indicate a descent rate at a depth shallower than the warn under depth Depth A notification that the set depth during a
26. ns before use with a rebreather This chapter of the user manual describes only additional functions 4 2 1 O2 sensors connection The CCR dive mode requires a connection to the O2 sensors of a rebreather One two or three sensors can be connected The cable equipped with the Molex connectors is included in the Closed Circuit version of the Divesoft Freedom distribution package or can be ordered separately See also chapter O2 sensor cable page 38 4 2 2 Synoptic screen O gt sensor The pOz values measured by two or three individual O2 sensors are located in the center of bottom section Reading in red characters indicates a sensor in non calibrated state gray indicates a sensor in error state This field remains empty if only one sensor is connected pO2 reading The arithmetic average of two or three active O2 sensors or the pO reading from a single sensor is Shown in the bottom right corner of screen The number of sensors is set in Setup Rebreather You can mark any sensor as faulty during a dive In dive menu select Setup Faulty sensors 18 4 2 3 Big Screen The most important information is written in really big characters The meaning of all values is identical to the detailed screen 4 2 4 Dive profile screen This screen is identical to the bottom timer without Oz sensors 4 2 5 Sensor screen O2 sensors There is a separate O2 sensor screen in bo
27. oving the beam to prevent confusion with a light signal Low brightness For diving with eyes accommodated to darkness use the lowest brightness setting level 1 Your night vision will not be disturbed It is preferred to have the display on all the time i e screensaver timeout set to 0 This option is typical for dives in clear water Dive with slightly brighter display while using a low power torch Balance the power of the backlight to the power of your torch to find the optimal setting no glare but good legibility The display can t shine through disturbed silt or mud on low brightness If it is necessary to switch to maximal brightness just short press the lower key repeatedly 10 Section 3 Surface 3 1 Surface mode The surface mode is indicated by the gray table gridlines 3 1 1 Entering surface mode The Divesoft Freedom switches to surface mode upon being switched on 3 1 2 Surface mode screen 2015 Aug 08 8 21 Date and Time Maintain a correct local time setting It will be used for 14 07 log recording Surface time This shows the time from a previous dive If it was 99 days ago or more then the FREEDOM banner appears instead of the time Battery symbol A graphical indication shows the remaining battery capacity The estimated capacity of a full battery is about 10 hours The battery is full More than half capacity Less than half but more than quarter capacity Less than quar
28. perature range 0 C to 40 C 32 F to 104 F Maximum operating conditions Permitted short term operating temperature range 10 C to 45 C 14 F to 113 F Consider the reduced battery capacity at low temperatures Long term storage conditions Storage temperature range 10 C to 35 C 50 F to 95 F Don t expose to direct sunlight 11 6 Compliance 11 6 1 CE marking Divesoft s r o hereby declares that the Divesoft Freedom is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC 11 6 2 EN 13319 Independent conformity assessment was performed to the harmodized Europian depth gauge standard EN 13319 2000 39 11 7 Disposal of waste equipment Users in private households in the European Union This symbol on the product and accompanying documents means that used electrical and electronic products should not be mixed with general household waste For proper treatment recovery and recycling please take these products to designated collection points where they will be accepted free of charge Alternatively in some countries you may be able to return your products to your local retailer upon purchase of an equivalent new product Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling For business us
29. s indicating the action executed during a short press of both keys The symbol next to a key means move down one row in the menu Moving in the menu Is cyclical so the first row appears again after the last row The move up function Is not available The symbol means return one level without executing any action The symbol represents confirmation of the action or selection 2 1 2 Meanings of inputs in dive modes The meanings of inputs are the same as in surface modes Other possibilities are Tilting is expanded with movement in games otherwise entry of digits for which tilting is used in surface modes is limited during the dive to only special cases Tapping on the display glass switch on the display if it is switched off Shining a light on the display in the dark illuminating the display with a dive light activates it similarly as when tapping on the glass In the light the display can be activated by covering and then uncovering It 2 1 3 Language All textual information on the Divesoft Freedom is in English Controlling the apparatus requires knowledge of the English language at a level that at least allows the user to thoroughly understand this information 2 2 Switching on the unit The device is switched on by pressing both keys for three seconds Automatic activation occurs in the event of entering the water in standby mode If Submerged to a depth greater than 1 5 m the computer switches on Automa
30. ter capacity Charging is in progress The battery is full but plugged into a charger For detailed information see the battery screen in the system check 11 3 1 3 Switching to other modes The user can switch from surface mode to dive mode in the menu The Freedom computer can also be switched to the service menu See chapter Service functions page 33 12 Dive Switch off Log book Setup gt Rebreather gt System check Games gt USB connection Section 4 Dive 4 1 Bottom timer The Advanced Bottom Timer dive mode is identical to the CCR Bottom Timer dive mode without the connected O2 sensors 4 1 1 Synoptic screen Stopwatch Operate the stopwatch via the menu See Stopwatch page 16 Battery symbol A graphical indication shows the remaining battery Capacity See chapter Surface mode Battery symbol page 11 The Divesoft Freedom cannot be powered externally and recharged during a dive e g in hyperbaric chamber or in diving bell without a special setting which is available only on reguest Dive time The timer starts after submersion depth gt 1 5 and halts after surfacing depth lt 0 5 If stay the surface at very shallow depth is followed by a second submersion during a time set in the dive termination timeout then the dive time indicated will be the time from the first submersion including the surface time Local Time The local time is show
31. th the surface and dive mode Not only the pOz but also the voltage on sensors can be read If the state of a sensor is not in operational mode not connected error excluded disabled uncalibrated the appropriate tag appears instead of the pO2 value Stack time The scrubber stack timer runs all the time in dive mode regardless of depth even on the surface If you spend a long time in dive mode while not breathing from the rebreather s loop then increase the time for the stack time warning Don t forget to reset the timer when you refill the scrubber Rebreather Stack time reset 4 2 6 Dive menu Faulty sensors gt Brightness Faulty sensors Orientation Screens You can mark any sensor as faulty during a dive 34 9 1 32 8 57 19 Section 5 Log book 5 1 Last dive Details from the last dive from list Dive profile 2015 04 10 07 55 77 0 The graph is plotted with a white line 02 44 39 24 2 11 4 Date and time The time of submersion Depth The maximum depth of the dive Duration This indicates time from submersion at the start of the dive to surfacing at the end of the dive It includes all surface stays if they were part of the dive Avg depth The average depth calculated from the whole profile Min temp The temperature at its coldest point during the dive measured during the ascent 5 2 Dive list Here all dives from the memory of the Divesoft Freedom
32. tic activation is not immediate it is necessary to wait a few seconds The computer may be switched on automatically in higher depth while rapidly descending Then the first few seconds of the dive profile record will be lost The automatic activation on submersion is disabled when switched to the flight mode In case the diver forgets to switch on the computer after a flight the computer will switch on at 5 m depth within 1 minute 2 3 Switching off the unit Enter the menu from surface mode select Switch off and select Switch off again in the second menu as a Switch off Flight mode confirmation The computer will be switched off to Standby mode Or you can select Switch off in the first menu and select Flight mode in the second menu This prevents automatic activation due to rapid pressure change and confusion of the surface level detection algorithm e g during an aircraft landing You can switch off directly from dive mode while on the Yes surface This way the unit will be switched to standby l l l l l Flight mode mode so automatic activation by submersion is enabled No The other way to switch off is by waiting for a timeout Upon surfacing the Freedom will switch to surface mode after the time set in the dive termination timeout Then it will switch to standby mode after the time set in the surface idle timeout Pushing any button restarts the idle timer in surface mode 2 4 Brightness control
33. ure and takes it into account during calibration Therefore do not perform any corrections at higher altitudes above sea level 7 1 3 Change cal Oxygen purity SJ i o Warning days If possible use oxygen with purity of at least 99 5 for Valid days calibration Do not use air for calibration The partial pressure of oxygen in air at atmospheric pressure significantly differs from the partial pressures determined by the 29 setpoints At the end of its service life an oxygen sensor can successfully undergo calibration to 21 air but will no longer be capable of measuring pOz of 1 bar or higher 7 2 Setup Stack warning min Number of sensors Min p02 Stack warning 0 min Max p02 Faulty sensors gt Set the scrubber lifetime The stack time warning will be generated after this time expires Zero disables this feature Number of sensors 0 Enter the number of Oz chemical sensors connected to the Freedom using a cable One two or three sensors can be connected The cable equipped with the Molex connectors is included in the Closed Circuit version of the Divesoft Freedom distribution package or can be ordered separately Min 0 18 bar The low alarm is activated if the current is less than the set value range 0 18 0 40 bar Max pO2 1 60 bar The high pO gt alarm is activated if current is bigger than set value range 0 8 1 6 bar
34. witching off the Shutdown question is displayed for 30 s Select No to restart this timer and keep the Freedom on Timeouts Prepared idle 15 min The manually activated dive mode will be switched back to surface mode if the dive does not start during this timeout range 1 120 min Timeouts Dive termination 10 min The dive will be terminated after surfacing and if no subsequent submersion starts during this timeout range O 30 min Zero disables this feature i e dive will not be terminated automatically Timeouts Dive end Confirm Off If the dive end confirmation is On then a confirmation dialog is displayed for 30 before the dive ends Select No to restart the dive termination timer and keep the Freedom in dive mode 26 Units Metric Imperial or metric units can be selected Key press delay 0 If a greater value than 0 is set then a longer button press is needed to be recognized as valid user input This can decrease button sensitivity and help avoid unintended activation However this will create a delay for all intended button presses Vertical speed Percent If percent is set then the ascent and descent rate are indicated relatively to the ascent and descent speed limits If unit min is set then the ascent or descent rate are indicated in depth unit per minute Salinity Fresh If changed to the Sea option then the density of seawater will be used for the depth calculation
35. y power and all settings are correct Warning All software contains bugs and the firmware of the Divesoft Freedom is no exception The computer can never blindly be trusted Warning This computer may malfunction at any time The question is not whether it will fail but when it will fail Always have a plan on how to handle failures Responsibility of the Divesoft Freedom user A Divesoft Freedom user must accept the fact that diving involves risk Following everything that the user has learned in the Divesoft Freedom s technical documentation and in training can reduce the risk but cannot eliminate it Safety when diving is further enhanced by regular training methodical education and good diving practices Technical diving requires a far higher degree of care and discipline than recreational diving If you do not accept the risk and you are not a trained careful and disciplined diver do not dive with the Divesoft Freedom Upgradable computer The hardware of all versions of the Divesoft Freedom computer is the same Only the software differs The software version can be upgraded A logical upgrade for the Freedom Advanced Bottom Timer is the CCR Bottom Timer The software version can also be upgraded to the Full Trimix or Closed Circuit version of the Divesoft Freedom decompression computer 1 The Closed Circuit version includes a cable for connection to rebreather s O2 sensors Contents Section 1 Quick start
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