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1. If you are currently diving a custom setpoint both options will be displayed High and Low Also there is a Custom Setpoint option By choosing it you can change your setpoint to any value between 0 3 up to 2 0 in 0 1 increments 4 Change Gas This menu item appears only when you are diving OC or when you are diving CCR in bailout mode In the surface menus you can configure your gas settings see Gases menu item When you tap into this submenu you will see list of gases that are allowed for the depth you re at This list is based on your min max PO2 END settings see Deco Settings menu item and your gas settings A gas set in Dive mode will use PO2 dive as maximum PO2 while a gas set in Deco mode will use PO2 deco as maximum PO2 The gases will be listed from one with the highest content of O2 to the one with the lowest This list will only display gases that are configured as Dive or Deco gases There is also an option to Show All that will display ALL available gases in the order they are in the Gases menu It will also include gases that are configured as Backup gases and ones that you have set as Lost during your dive Finally there is an option called Custom Gas with which you can configure an additional gas underwater Doing this while diving is very troublesome so we highly recommend that you take steps BEFORE the dive to avoid usin
2. PC Internet Explorer Firmware Install e Click XEO Software History http liquivision com downloads XEOS oftwareHistory php to download the latest XEO firmware The first file at the top of the page will be the most recent Version e You will be asked if you want to Open or Save the program Click Open e The file will download and the Liquivision Firmware Updater will automatically launch e You should see something like this Liguivision device update Welcome Please choose package file lvp downloaded with which you wish to update your Liquivision device lent XenFirm IO kon Browse Device Xen Hardware version ALL Software version 1 05 OK Cancel Click OK then click UPLOAD For further instructions please see the All Users section below Liquivison Products Inc 81 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual PC Firefox Firmware Install e Click XEO Software History http liquivision com downloads XEOSoftwareHistory php to download the latest XEO firmware The first file at the top of the page will be the most recent version e You will be asked to open the file with the suggestion liquivision lvp Click Open then OK e The Liquivision Firmware Installer should launch and you should see something like this Liquivision device update Welcome Please choose package file lvo downloaded with which you wish to update your Liquivision device
3. You should always check for software updates www liquivision com downloads XeoS oftwareHistory php and install all applicable updates every time you prepare to use the XEO dive computer Liquivison Products Inc 6 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual User Agreement and Warranty Use of your Liquivision XEO is subject to the User Agreement and Warranty Agreement available at the Liquivision website www liquivision com xeo_manuals php You must read the entire Agreement before using your XEO If you do not agree with any term of the Agreement you must not use the XEO and you may return the XEO to Liquivision or the authorized Liquivision dealer from which you purchased the XEO for a full refund within 30 days after your date of purchase If you use the XEO you are deemed to have agreed to the User Agreement and Warranty User Manual You must read this entire User Manual before using your XEO Incorrect use of the XEO or its accessories could invalidate your Warranty and can cause permanent damage to the XEO or its accessories Liquivision Limitation of Liability The Agreement includes exclusions and limitations of Liquivision s liability to you These exclusions and limitations include but are not limited to the following YOU AGREE THAT YOU UNDERSTAND AND ACCEPT ALL RISKS ASSOCIATED WITH DIVING AND THAT LIQUIVISION IS NOT LIABLE TO YOU OR ANY OTHER PERSON INCLUDING YOUR
4. Brightness setting has three levels low medium and high The darker the water the lower brightness you need to see your display clearly Also you might find high brightness in the dark water too bright that is it could emit too much light compared to environment you re diving in On the other hand in clear shallow water with lots of sunlight you will need high brightness to see the display properly Keep in mind that higher brightness burns more battery so you should select the lowest brightness that meets your needs on a given dive 6 2 Auto Dim You can use the Auto Dim feature to fine tune the brightness of your display If you need high brightness on the surface and lower brightness at depth you do not need to adjust it manually Instead you can set your Auto Dim setting to the depth at which you want your display brightness to be reduced to Low By using the Auto Dim feature here 1s what will happen e At the surface display brightness will be at the setting chosen in the Brightness menu e Once you reach your Auto Dim depth and below the brightness will switch to Low e Between these two the brightness will decrease linearly with depth e g at half of the Auto Dim depth it will be halfway between the surface brightness setting and Low If you set your Brightness setting to Low the Auto Dim feature will have no effect The default Auto Dim setting is Off You can adjust it
5. This means that 1f you want to use Stopwatch during your dive you will need to turn 1t ON first If you change this setting to ON the default behavior of the Stopwatch will be to turn on at the start of the dive Once you turn the Stopwatch ON it will remain on for the remainder of the dive unless you turn it back off For details refer to Stopwatch section Liquivison Products Inc 31 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 6 7 Dark Mode this setting only applies to Gauge Mode While this setting 1s visible in the Display Settings menu of both Deco Mode and Gauge Mode Dark Mode is only available when your XEO is running in Gauge Mode This option enables selecting one of three low brightness color schemes for the underwater dive screen The default setting is None and the Dark Mode On Off option is not available in the underwater menu There are three under water dive screen color schemes available for selection Dark Mode Dim Dark Mode Blank Dark Mode Stlth Data in dim green color Nothing is displayed Data in dim red color The Blank mode was created on the request of cave diving instructors who found that the XEO s screen shone so brightly that it would illuminate the cave during a lights out drill The Blank mode allows students to turn off the screen on their XEO without interrupting the unit s functioning The Stealth mode w
6. Altitude Compensation Surface Pressure Adjustments The XEO does not have a water sensor that can sense whether it is in the water based on wetness Instead your XEO continuously tracks atmospheric pressure to determine the surface pressure at the start of your dive When it senses a sudden change in ambient pressure it understands that you have entered the water and that a dive is beginning Your XEO can generally distinguish between a sudden change in pressure caused by water entry vs other types of sudden changes in pressure such as a plane taking off or driving up a mountain This method of surface pressure detection has proven quite reliable but it is always possible to trick your XEO for example e if you place your XEO in shallow and very stable body of water such as a bucket full of dive gear being rinsed your XEO may assume that current surface pressure is more than it is in reality If you go diving immediately after this your depth reading may be distorted e if you increase ambient pressure very quickly after the XEO has adjusted for being at altitude e g if you were to skydive with a XEO it might go into a phantom dive as it will assume that you have entered the water In this highly unlikely case the only solution is to reset your XEO by removing the battery please refer to the Changing The XEO s Battery section for details You can always check what XEO assumes as the current surface pressure by going to th
7. The XEO is designed to be a robust device However it is still possible to damage it or to shorten its life by improper use Please follow these steps to care properly for your unit Protecting your XEO casing and screen from scratches The XEO casing is made from a robust plastic designed to protect the internal electronics This plastic is not fully scratch resistant We strongly recommend the BestSkinEver BSE adhesive protector http liquivision com extras_enlightened_protector php which is designed to cover the entire casing of the XEO as well as the screen to protect them from scratches Post Dive Care and Storage You should turn off your XEO once you have completed your dive It will eventually turn off on its own but you will conserve battery power by turning it off once you are done using it You should rise your XEO in clear non salty water after use to prevent the accumulation of dried salt in the infrared apertures that communicate with the PC Interface and in the pressure sensor aperture You should then wipe your XEO dry and store it in a dry place Long Term XEO Storage If you are planning to store your unit for more than month you should remove the battery This will only cause you to lose time of day and date information All other settings and dive logs will remain We do not recommend removing your battery for shorter storage periods Every time you open and close the battery compartment there is a smal
8. ent XenFirmi05 lvp Browse Device xen Hardware version ALL Software version 1 05 OK Cancel Click OK then click UPLOAD For further instructions please see the All Users section below PC Google Chrome Firmware Install e Click XEO Software History http liquivision com downloads XEOSoftwareHistory php to download the latest XEO firmware The first file at the top of the page will be the most recent Version When the download is finished a tab will appear in the far lower left corner of Chrome Left click on the XEOFirmware lvp tab that appears in the far lower left corner of Chrome You will be prompted to open the file click Open You should see something like this Liquivision device update Welcome Please choose package file lvp downloaded with which you wish to update your Liquivision device jent MenFirm105 lvp Browse Device Hardware version Software version OK Cancel Click OK then click UPLOAD For further instructions please see the All Users section below Mac OS X Firmware Install all Browsers e Click Xeo Software History http liquivision com downloads XeoSoftwareHistory php to download the latest Xeo firmware e The first file at the top of the page will be the most recent version e Download the file onto your Computer Liquivison Products Inc 82 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual e You can then either doub
9. inert gas and oxygen saturation Also while you are diving these calculations compute your ascent schedule based on the theoretical Biihlmann model Your ascent schedule information is displayed on your dive screen as Time To Surface No Decompression Limit Deepest Stop etc more details on this in Dive Display section Liquivison Products Inc 46 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual e Simulated decompression planning these calculations only occur when you run Simulate Dive on your XEO The Dive Simulator starts with your actual inert gas and oxygen saturation but after that it tracks your simulated inert gas and oxygen saturation Also it follows the pressure implied by the dive simulation and not the actual ambient pressure around you After the simulated dive is finished the simulated saturation 1s wiped out If you start a new simulation it will start again from your actual saturation Also the simulated dive will not of course affect your actual saturation See also 4 8 Simulate Dive in the Dive Planning submenu and 6 11 Simulate Dive in the Display Settings submenu for more information on the Dive Simulator e Dive planning these calculations start with your current actual inert gas and oxygen saturation If you are not yet fully desaturated from previous dives then you can tell the Dive Planner to wait certain amount of time on the surface equivalent to whatever time is left
10. 0 10 20 30 40 50 60 70 80 90 100 Capacity discharged This means three things It is hard to estimate level of charge The battery shows a steady 3 6V for most of its life there is no slow battery voltage decrease that can inform your XEO about the amount of power that has been used and the amount of power left It is hard to estimate the amount of time left Even if your XEO knew exactly how much battery power is left it is still hard for your unit to judge how much dive time is left Dive time will be greatly affected by user settings such as screen brightness and colors Once the battery voltage starts to drop it drops fast Your XEO will stop functioning entirely once the voltage drops below 2 90V For this reason it is important to pay attention to the Yellow battery indication it means there is really very little time left Liquivison Products Inc 66 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Basic Rules For Optimizing Battery Life You can extend optimize your battery life in several ways Always choose the lowest screen brightness setting you need for your dive The XEO has an Auto Dim feature where the unit uses your chosen brightness setting on the surface and slowly reduces brightness to Low as you descend to a selected depth Keep battery life in mind when setting screen colors The OLED screen is an RGB screen which means 1t has red green and blue pixels To display the colo
11. 12 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual The last item in a menu is Exit On the surface Exit will take you to the previous menu Underwater Exit will take you back to the dive screen There 1s also a menu timeout if you stay in a surface menu for more than 60 sec the XEO will timeout to the surface display if you stay in an underwater menu for more than 10 sec the XEO will timeout to the dive display E g Entering Your Free OC Software Activation PIN Setting Up GFs Time Date Battery Type To turn your XEO on tap Down three five times in quick succession 1 Your XEO will turn on and you will see this screen 2 To enter menu mode tap Down three times in quick succession 3 Your XEO will enter menu mode and you will see this screen 4 Tap Down once to reach the Enter PIN menu 5 Tap Left to enter the Enter PIN menu You will see a line of nine zeroes and the first one will have a cursor on it 6 Tap Up or Down to change the first zero to the first digit of your PIN code Tapping Up will bring the numbers 1 2 3 4 5 in sequence Tapping Down will bring the numbers 9 8 7 6 5 in sequence Liquivison Products Inc 13 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 7 Tap Left to move the cursor to the next zero and once again tap Up and Down to set the correct value 8 Repeat this sequence until you have set all
12. Dive Logger link under Windows Users You will be asked if you want to Run or Save the program Click Run The file will download and the install wizard will launch Follow the wizard and the Liquivision Dive Logger software will be installed The wizard will install a shortcut to the Liquivision Dive Logger on your desktop To launch the logger double click on the shortcut Create a username for yourself and you re ready to go PC Dive Logger Firefox e Go to the Enlightened Series Software Downloads page to download the latest Liquivision Dive Logger installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Dive Logger link under Windows Users You will be asked if you want to save the file Click Save File The downloads window will pop up if it does not go to Tools gt Downloads The top item in the downloads window will be LVDiveLogSetup exe Double click on it You will be asked Are you sure you want to launch LVDiveLogSetup exe Click OK Follow the wizard and the Liquivision Dive Logger software will be installed The wizard will install a shortcut to the Liquivision Dive Logger on your desktop To launch the logger double click on the shortcut Create a username for yourself and you re ready to go PC Dive Logger Google Chrome e Go to the Enlightened Series Software Downloads page to download the latest Liquivision Dive Logger installation packag
13. It will blink for 1 minute after which it will go back to normal The reason for this is that you cannot correct the fact that you exceeded your maximum time 4 5 1 Alarms On Off The default setting for Alarms is On Selecting Off allows you to turn all the alarms off entirely If you select Off even if some alarm limits are exceeded you will not see ANY alarm The use of this option is discouraged 4 5 2 Depth Here you can set the depth at which you want your Depth alarm to activate 4 5 3 Time Here you can set the time during your dive when you would like the Time alarm to activate One of the uses for this feature could be to remind you that your maximum bottom time has been reached 4 5 4 Ascent Rate Here you can create a set of ascent rate rules You can set up to 5 different rules The first rule is the one with Start on the left This will apply at all depths of your dive unless you set additional rules This will also be the default rule for any depths not covered by other rules If for example you set it to 10 meters per minute 33 feet per minute and set no other rule then at any depth exceeding this ascent rate will cause an alarm Liquivison Products Inc 26 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Alternatively you can add more rules in the format Start Depth Maximum Rate These additional rules will apply once you get shallower tha
14. MAX printed on the screen Unit label Gas Setpoint Time of day Temperature Depth units Menu text e Menu parameters Scroll down to the value you wish to change by tapping Down Tap Left to move the cursor over to the color indicator for that value You can then scroll through all available colors by tapping Up or Down Once you reach a color that you like you can tap Right to return to the list of values Once you have completed all the changes you wish to make scroll all the way down until you reach Exit To reset the colors to the factory settings place your cursor on All Colors Tap Right once to confirm then tap Down twice to place your cursor on Factory Default Tap Right to confirm that you want to rest the colors to the factory settings 6 11 Simulate Dive The final item in the Display menu is Simulate Dive This is so you can test all your display settings without getting yourself or your XEO wet When you enter Simulation 1t will open sub menu asking you for depth and time of the dive its speed whether it s normal 1x or faster 2x 4x etc up to 16x faster than normal and then you can select Start A couple of things to note about the XEO simulator e The simulator follows descent and ascent rate limits e It takes a moment to turn on since the simulation starts at Om Oft but the XEO considers a dive after divers descends
15. Planning This whole submenu is devoted to planning your dive here you can set up your unit for Open Circuit Closed Circuit or Gauge Mode diving and automatic gas switching you can enter your gases set up alarms and compute your ascent schedule you will get the exact same one that the XEO will display during your dive provided of course you follow the dive plan precisely 4 1 Mode Deco Gauge This menu item allows you to select between Deco or Gauge mode of operation In Deco mode the XEO functions as a trimix dive computer In Gauge mode the XEO functions as a bottom timer 4 2 Dive Setup Dive Setup Unit OC CCR This menu item allows you to choose between Open Circuit OC or Closed Circuit Rebreather CCR modes If you choose OC there are no other options to set in this menu Liquivison Products Inc 22 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual If you choose CCR you will be given the option to make the following selections Setpoints You can choose to set your Low SP and your High SP e Low will be between 0 3 1 0 e High will be between 0 5 2 0 Setpoints progress in 0 1 increments The Low setting has to be lower than the High one Auto Switch OFF ON This menu item allows you to set Auto Switch to either On or Off When Auto Switch is On your XEO will automatically switch your setpoint from Low to High and vice
16. Summary you will see two things e amenu item called Page e alist of your most recent dives The Page menu item allows you to scroll through your dives page by page At first it will be showing 1 and the list of dives below it will be your most recent dives If you set Page to 2 it will bring up the dives that occurred immediately before that As you increase the Page number you will see a list of older and older dives The list of dives will display a short summary of each dive that is the date and time of the dive Scroll down to highlight a particular dive and you will also see its maximum depth and duration at the bottom of the screen If you select a particular dive you will enter its Log Detail page 5 2 Log Detail In this page you will see more detailed information on the selected dive Below is a list of data you will see in the same order as it will be displayed Dive No the number of this dive numbered in the sequence that it occurred Max Depth Avg Depth this is average depth of your whole dive so if you have reset average depth during the dive it won t affect this number Duration dive time in hours and minutes Date day of the month month and year of the dive Liquivison Products Inc 29 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Time the time of day at which you entered the water Min Temp minimum temperature over the whole duration o
17. Time 4 5 4 Ascent Rate 4 5 4 Ascent Rate 4 5 5 Descent Rate 4 5 5 Descent Rate 4 6 Deco Settings 4 6 1 GFs L H 4 6 2 PO2 dive 4 6 3 PO2 deco 4 6 4 Min PO2 4 6 5 Max END 4 6 6 Last deco stops 4 7 Your Saturation Wi 4 8 Simulate Dive 4 8 Simulate Dive 5 DiveLog 5 1 Log Summary 5 2 Log Detail 5 3 Depth Graph 5 4 Temperature Graph Liquivison Products Inc 20 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 6 Display Settings 6 1 Brightness 6 2 Auto Dim 6 3 Refresh 6 4 Layout 6 5 Velocity 6 6 Stopwatch DF this setting applies only to Gauge mode 6 7 Dark Mode this setting applies only to Gauge mode 6 8 Analog Clock 6 9 Show Hours 6 10 Colors 6 11 Simulate Dive 7 Preferences 7 1 Units 7 2 Log Period 7 3 Tap Sensitivity 7 4 Tap Count 7 5 Minimum Dive 7 6 Minimum Surface Interval 7 7 Status 7 8 Battery Type 7 9 Battery Meter 7 10 Battery Test 8 Salinity 9 Time Date 9 1 12h 24h 9 2 Time 9 3 Date 9 4 Year 9 5 Calibrate Time 10 Connect to PC 1 Shut Off Choosing this menu option will put your XEO in Sleep Mode which is designed to use minimum battery The XEO will still wake up when tapped 3 5 times It will also still keep track of surrounding pressure so it can wake up once you enter the water 2 Enter PIN This 1s where you enter the free PIN you receive upon registering your XEO unit There is a step by step d
18. an emergency mode designed to raise the voltage of the battery to an acceptable level The unit will remain with green colors and low brightness until the dive ends When the next dive starts your custom colors and brightness will be used Again 1f the voltage drops below a critical level Battery Savings Mode will be entered to raise the battery voltage If you find that your unit is repeatedly entering into Battery Savings Mode all green text then you are using too aggressive colors or brightness settings Entry into Battery Savings Mode is more likely if the battery is nearing the end of its life or if the water is very cold However entry into Battery Savings Mode does not necessarily mean the battery is nearing the end of its life In some cases you could still have 10 20 more hours of dive time remaining even if you notice a transition into Battery Savings Mode Tables Showing Estimated Battery Life Depending On User Settings The following tables shows the approximate number of dive hours achieved with different settings assuming the diving is done within one month of changing the battery in warm water Table 1 Default yellow green colors Standard Display Layout diving over I month ER1I4335M Battery ERI7335M Battery High Brightness Medium Brightness Low Brightness Slow refresh 11h 23h 23h 26h 38h 76h Fast refresh 10h 20h 19h 38h 31h 63h Table 2 Custom Colors Standard Display Layout diving over 1 month ERI1
19. below 1 6m 5 25ft Liquivison Products Inc 33 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual e If the time you set is too short to reach the specified depth the simulator will just keep descending for the allotted time and then start ascending without reaching the depth you specified e Please note that the Auto Dim option 1s not available during a simulation You can stop the simulation at any time by tapping the unit 3 5 times to enter the underwater menus and choosing Stop Simulation to learn more refer to the Stop Simulation section of the manual 7 Preferences In this menu you are able to adjust and fine tune settings of your device You are probably going to use this menu only once before you start diving with your XEO 7 1 Units Here you can choose the units in which data will be displayed on your XEO Metric units meters meters per minute Celsius Imperial units feet feet per minute Fahrenheit 7 2 Log Period The Log Period is the frequency with which dive data will be saved to memory Your XEO collects depth and temperature data for each dive If you chose a Log Period of 2 seconds then your XEO will store depth and temperature data to memory every 2 seconds The number of dives recorded by the XEO s Dive Log depends on the Log Period you select If you set the Log Period to 1 second 1s there is space for more than 60 hours of dive profiles This will increase sub
20. by a FAIL this 1s OK too then the install did not succeed and you should try again If the install succeeded you should now be able to pick up your XEO and use it To verify that the install succeeded enter the main menu and go to Preferences gt Status and the software version should be the same as the version that you tried to install 1 e 1 09 or something like that SUPPORT CONTACTS For general information please visit www liquivision com If you need immediate assistance we recommend that you contact your XEO dealer If you need futher help please contact us via www liquivision com contact php BIBLIOGRAPHY Baker Eric C Understanding M Values Immersed Vol 3 No 3 Fall 1998 Baker Eric C Clearing Up The Confusion About Deep Stops B hlmann A A E B V llm and P Nussberger Tauchmedizin Barotrauma Gasembolie Dekompression Dekompressionskrankheit Dekompressionscomputer 5 ed Berlin Springer Verlag 2002 ISBN 3540429794 B hlmann A A Decompression Decompression Sickness Berlin Springer Verlag 1984 ISBN 3540133089 Liquivison Products Inc 84 Revision 3 2 Software 2 58
21. by tapping into the underwater menus and selecting Reset AVG refer to the Reset AVG section of the manual for details In that case average depth displayed here will be average depth since the last reset It is displayed as a single number without decimal places It is displayed either in meters or in feet depending on your Units setting refer to the Units section of the manual for details Your Average Depth will reset 1f you surface for more than 5 minutes Please note that the Average Depth that 1s saved in the Dive Log is not affected by the reset option it 1s average depth over the whole dive Time of day The time of day is displayed in hours and minutes You can choose whether you want to have it displayed as a 12 hours AM PM format or 24 hours refer to the Time Date section of the manual for details Temperature This 1s current temperature of surrounding environment It is displayed either in Celsius or in Fahrenheit depending on your Units setting refer to the Units section of the manual for details You will see a C or F letter next to the temperature value to let you know which units you have selected Keep in mind that the temperature sensor 1s inside the XEO unit so it may take a moment for it to adjust to a rapid external temperature change Battery Indicator The battery status is represented graphically with a battery icon or with a battery voltage value e
22. day Plan your next dive using the Runtime function After you select Compute Deco a window will pop up showing among other values the OTU left for the day of that dive If you plan a dive on the next day which you can do by using Remaining SI option then the OTU left will be displayed for day after that dive not for today Liquivison Products Inc 48 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual If you exceed your CNS limit during the dive you will see a Gas Alarm noting it the blinking red PO2 label on the screen Entering the water Turning Your XEO On We recommend that you turn your XEO on yourself before you enter the water to check the remaining battery power and to make sure that all is functioning properly You can turn it on by tapping the unit in the Down direction 3 5 times Otherwise it will turn on automatically few seconds after you take it deeper than 1 6 meters 5 25 feet Beginning Y our Dive When you start to descend and go below 1 6 meters 5 25 feet your XEO will turn into dive mode Dive Display Currently there 1s a single underwater display layout You can edit the colors of all the items on your screen although you should be careful to consider how the changes you make will impact battery consumption Refer to the Colors menu item for more information on setting colors and to the Important Information on XEO Batteries for impact of color on power con
23. digits of the PIN 9 Once you have entered all the digits of the PIN tap Left once more If you enter the correct PIN you will see the following screen If you made a mistake in the PIN you will return to the Unit Is Locked main screen and you will need to repeats Steps 1 9 again If you did enter the correct PIN you must now setup confirm your Gradient Factors Steps 10 14 setup the Time Date Steps 15 16 and select your Battery Type Steps 17 22 to fully activate your unit 10 To enter menu mode tap Down three five times in quick succession 11 Your XEO will enter menu mode and you will see this screen You may notice that the Enter PIN line has disappeared since you have successfully entered your PIN 12 Tap Down twice to reach the Dive Planning menu Liquivison Products Inc 14 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer 13 Tap Left to enter the Dive Planning menu You will see the following list of options Tap Down four times to reach the Deco Settings submenu 14 Tap Left to enter the Deco Settings submenu The first line item will be GF L H where you can setup your Gradient Factors For more information on Gradient Factors please review the section Gradient Factors They are in the format Low High and both are in range 0 100 The Low value the factor at the deepest decompression stop must be less than or equal to the High value the
24. downloads XeoS oftwareHistory php and install all applicable updates every time you prepare to use the Xeo You must have a plan to handle a XEO dive computer failure during your dive You should carry backup instruments including a depth gauge submersible pressure gauge digital bottom timer or dive watch and have access to decompression tables Do not risk your life on only one source of information Settings That Will Affect Your Deco Plan The following settings affect the data your XEO will use to compute your ascent schedule so please take a while to read and understand this section Dive Setup settings In the Dive Setup submenu you can choose the mode you wish to dive in Open Circuit OC or Closed Circuit Rebreather CCR Settings related to OC Dives When diving OC one additional option you can set is Auto Switch you can turn it On or Off When it is Off there will be no automatic gas switches you will have to do every switch manually Liquivison Products Inc 43 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual When it is On your XEO will automatically switch gas to the Best Gas see below in Gas Settings as long as following criteria are met e There is a Best Gas that is there is at least one gas that is breathable at your depth e And gas Manual Override is Off Gas Manual Override Concept Gas Manual Override is a feature that
25. eee nee mer e o eee eer rr 58 PUTIN Os AAPP A 58 Ao o 58 aa oi PPM e ciate on le 58 Battery Savings Mode EE 59 EXA ad 59 Ladne Tn o mao ee 59 Altitude Compensation Surface Pressure Adjustments ocooooccnnnonnncnnnnconnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 60 CARING FOR TOUR XEO E 61 Protectine your XEO casing and screen TOM Sorate Sarai 61 e CAMELA iii 61 Bos vices LS AOS earn meena oe rene ne were per ee ee ere ee he pre er ne ete pert ere oe re ete Pere nt ere rere mere ee ere reer rere errr 61 EE 61 SOC TIO O a 61 IMPORTANT INFORMATION ABOUT XEO BATTERIES nono ono nonooonnnnnonnos 62 NEO Ba Eege 62 Liquivison Products Inc 4 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual AEO OIG PU Pr ooo EI o o y Aa 65 How To Determine XEO Battery Life Remaining coooooccnnccnccnnnncnnnnnnonnnonnnonncnnnnonnnnnnonnnnnnnnnnonnnnnnnnnnnnnnnnnnnnns 65 basic Rules For Op ial zinc Bates E E 67 Detailed Rules For Optimizing Battery fe 67 Battery Savings Mode When Your Battery Voltage Drops Below A Critical Level 67 Tables Showing Estimated Battery Life Depending On User Setpngsg 68 CHANGING THE XEO s BATTERY q 70 OPTION CHANGE O RING 73 Kean TINTS PC Ee mereerin r ee E IESSE eaea 75 PC Divers Tune E 75 PED o AAA PP A 76 PC Driyers elen EE 76 Tee RE 17 EC Dive Loss Were be a aaa 11 PEDE om Boruc Fe oo 11 PE DIV Los OO rr E 71 Mac OSX Dive Logger all browsers 7
26. enough battery power to complete a normal 2 hour dive The safest way to perform a long dive 5 hours is to insert a fresh battery prior to the start of your dive e If the battery icon is Yellow on the surface you should change your battery before beginning your next dive e If the battery icon is Yellow underwater you likely have enough battery life to complete your dive e Ifthe battery icon is Red on the surface you MUST change your battery immediately e If the battery icon is Red underwater you should stop your dive and begin your ascent immediately while still following proper ascent protocols respect the ascent speed and Safety Stop You should always check the battery life remaining on the surface prior to beginning your dive by briefly entering simulator mode with your unit Your XEO uses more power in dive mode than in surface mode It may show a green indicator in surface mode but a yellow one in dive mode and you can check this by starting a dive simulation Liquivison Products Inc 65 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual The discharge curve of lithium thionyl chloride batteries is very flat with a very sudden drop off as shown in the graph below Voltage 3 6 Lithium thionyl chloride Lithium sulphur dioxide Lithium manganese dioxide Sealed lead acid Silver oxide Nickel cadmium Alkaline manganese dioxide 4 Zinc carbon Mercuric oxide Zinc air
27. factor at the surface 14a Confirming 100 100 Setting 100 100 signifies you are running Biihlmann ZH L16C algorithm with no additional conservatism If you wish to confirm this setting simply leave this menu as is without even editing the Gradient Factors 14b Altering the Gradient Factors If you wish to alter your Gradient Factors tap Left once to move the cursor to the first number and then tap Down to set the first or Low value 14b Altering the Gradient Factors Once you have reached the Low value you wish to achieve 30 in this case tap Left once to move the cursor over to the second or High value Tap Down again until you reach your desired High value 85 in this case 14c Exiting the Deco Settings Menu Once you have either confirmed the default setting or chosen your desired custom setting tap Left Right again to return to the word GFs Tap Down six times to move the cursor to the word Exit Tap Left Right to exit the submenu You will return to the Deco Settings menu item Tap Down three times to move the cursor to the word Exit Tap Left Right to exit this submenu You will return to the Dive Planning menu item User Manual Liquivison Products Inc 15 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer 15a Once you are back in the main menu with the cursor on Dive Planning 15b tap Down five times to reach the Time Date item 16 Tap Left to enter the Time Date menu You
28. length of this period in menu setting Minimum Dive This means that if you resume your dive within that period it will be counted as continuation of previous dive instead of a new one This also means that all the numbers such as maximum depth average depth dive time etc will not be reset After that 1f you decide to dive again it will be counted as a new dive Last dive information When on the surface and not in Sleep Mode your XEO will display information about the last dive that you have done Surface interval it is time elapsed since your last dive If it is less than 24 hours you will see the number of hours and minutes If it is more than 24 hours you will see number of days and hours If it 1s more than 10 days ago you will not see any surface interval Last depth 1s the maximum depth of your last dive with one decimal place Depending on your unit settings it will be either in meters or in feet and you will see m or ft printed after the number Last time is the total time of the last dive displayed according to your dive time settings either as total number of minutes or as hours minutes Liquivison Products Inc 59 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Altitude Compensation Surface Pressure Adjustments The XEO does not have a water sensor that can sense whether it is in the water based on wetness Instead your XEO continuously tracks atm
29. makes sure your XEO will not stubbornly switch your gas to the Best Gas for your current depth even though you switched gas manually to another gas Normally according to the Best Gas concept the Auto Switch would switch you to your Deco Gases when you start the dive until you exceed their respective MODs Similarly if you were to switch gas manually the Auto Switch would try to switch you back to your Best Gas To prevent this we created Manual Override which turns on every time you start a dive or switch gas The Manual Override turns off once you reach a depth where the gas you are actually breathing becomes the Best Gas Here are some examples If you start your dive with the Default Gas being Air and a couple of Nitrox mixes as Deco Gases Manual Override will be on Manual Override will prevent your XEO s Auto Switch from switching you to any gas other than Air on your way down until you reach the depth where only Air is breathable 1 e where Air is the Best Gas If you decide to switch to your first Deco Gas on a decompression stop slightly deeper than the MOD of that gas your XEO will let you do so manually although it will display a high PO2 warning It will not switch you back to Air because Manual Override will be in place When you ascend to the depth where that Deco Gas is breathable 1 e where it is considered the Best Gas Manual Override will turn off This way when you reach depth where the next Deco Gas 1s brea
30. shots 39 A ae os 40 A E E E Pi O E E E 40 Sg UOC E 41 RE AAA A A rere rr errr rer rere 41 7 Dark Mode On Off only available if Dark Mode is activated in the Surface Menu 42 NR 42 tua 42 AIN A o errr etre 42 A oo les 42 EE 42 DIVING WITH YOUR XEO IN DECO MOD 43 Mid AAA e aa iiO eee 43 Sotimes That E OU DECO E aeaa 43 Liquivison Products Inc 3 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Bis EE 43 SPST AdO OC Beant A eee ee ee eee ee 43 Gas MIG QS Ci CI acacia cea cia aotearoa 44 NO Mmasteldtca OE E 44 as 45 EES ee 46 ade a e 48 Oxygen loading naar 48 Parn CNC Vy a E dd daa a a added 49 AO O er eT ee 49 DE O DOO a 49 OA aD eege 49 Diye ias 49 TS OE a a a a r a a a a a 50 Maida De uscar 50 Decompression Intormation ZONE dad 50 DIS SEU ee tai 51 BEER 51 A EA AAA EAO SEN Ku 52 Daen re EE 53 Hora ocios MAA 53 A O PE Ie 53 PAST CIV TTORMIAUION EEEE EENE EEEE EEE EER E O EENE ESENE E AS EERIE EAE SENE SE N EEE T 54 Altitude Compensation Surface Pressure Adjustments ccoooocnnnncnocnnnnonncnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnonnnonnnnnnnnnnannnnnos 54 DIVING WITH YOUR SASSEL EN CAT RI 55 aaa el O UNC O O E UN A 55 DI a 55 Tonne doo 40701 a o e E E 55 EE OU DIVER il 55 PP o o 55 Die KE 55 DTE A e Tee er ee eee ee ne eee eee ee erence ere 56 IR tect ce sci tcc eo o 57 ONE 0 aspas 57 EA A A 57 FEA Ie Bo e eee ee ee meee net eee ne te meet rT emer nee ne
31. versa For details please refer to the Dive Setup settings subsection of the Dive Planning section of the manual Two more options relating to your Setpoints are On Descent and On Ascent These options allow you to configure the depth at which your XEO will automatically switch from Low to High Setpoint and from High to Low Setpoint respectively assuming that you have turned Auto Switch to On Your XEO will also assume when computing the ascent schedule that below the On Descent depth you have your Setpoint set to High and above the On Ascent depth to Low Again for details please refer to the Dive Setup settings subsection of the Dive Planning section of the manual 4 3 Gases Here you can configure up to 10 different gases for use in your dives Add If you select the Add option you will see the following screen in which you can set the specifications of your gas e 02 oxygen percentage in the gas between 0 100 e He helium percentage in the gas between 0 100 e Mode Dive Gas Deco Gas Backup Gas or Off Please note that O2 He cannot be more than 100 Also the nitrogen percentage of a gas is calculated as 100 O2 He This submenu will also display Maximum Operating Depth MOD of all Dive and Deco Gases This number is calculated by the XEO based on all your settings and has a limit of 200m 650ft No MOD will be displayed for Backup and Off Gases If you change a Backup or Off
32. 4335M Battery ERI7335M Battery High Brightness Medium Brightness Low Brightness All green slow refresh 13h 26h 23h 47h 41h 83h All light blue fast refresh 6h 12h 12h 24h 23h 47h As you can see the dive hours on a battery vary from about 6 hours to 41 hours with an ER14335M battery or from 13 to 83 hours with an ER17335M battery depending on the settings used The longest battery life 1s obtained by using the simple layout all green colors slow refresh rate with the stop watch off Please note that storing a battery inside a unit also affects the battery life as the unit uses power even when it is turned off If you are not going to use your XEO for one month or more you should remove the battery during storage Liquivison Products Inc 68 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Table 3 Battery dive time on default settings if battery is left inside the unit ERI4335M battery ERI7335M battery Months inside unit Dive time on default settings Liquivison Products Inc 69 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual CHANGING THE XEO s BATTERY Here is a description of the battery change and O ring change procedure You can also refer to the short video on correct battery changes provided here www liquivision com videos php a i 2 Prepare all your materials For keeping XEO amp O ring clean Lint free cloth e g cl
33. 8 How To Connect the XEO PC Interface To Your Computer 78 HowTo Cam ADe Los PON le TE 78 How To Install The Liquivision Firmware Updater Onto Your BC 79 PC Firmware Updater Internet Explorer ccccnnnooooccncnononnooononnnnnnnnnnnonononnnnnnonnnnnnonnnnnnnnnnnnn nn nnnnnnnnnnanannnnss 80 PC Pai ry a Updater Fire idicia 80 PC Firmware Updater Goosle Chrome rn 80 Mac OSX Firmware Updater all Browser 80 How To Install the Newest Firmware On Your SbO 81 PC Internet Explorer Firmware Instalaciones 81 BG Fa CL Oe E WN Vy ai Sarna iO 82 PC Google Chrome Firmware Install psi iia ini 82 Mac OSX Firmware Install all Browser 82 A A E seri sasuseesarounsestnuteentonataussatanetagstan 83 SURPLOR CONTA CAS ar copan 84 BIBLO RAT THY E 84 Liquivison Products Inc 5 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual IMPORTANT NOTICES DANGER Scuba diving is a dangerous sport and can lead to injury disability or death Always dive within the limits of your training skills and experience Technical diving activities including decompression diving mixed gas diving rebreather diving wreck and or cave diving all substantially increase the risks of scuba diving The XEO dive computer is capable of calculating decompression requirements based on the B hlmann ZH L16C algorithm first published in 1990 Decompression is an inexact science It is possible to follow a decompression plan exactly and s
34. D EEN A ee ne ene Te meee AA eee 21 TEO EE 28 4 7 Your Saturation ccccccc cess eccceccesccseccscceuccsceeccseceuceseceseceuceeceseceuceeseeceeuceseseeeeeuceseceseeeeceeesuneeeseness 28 NIE H RE 28 PDRE Eo tee cee eee eee eee eee meee ceeaeee eee 29 EE 29 EE 29 Liquivison Products Inc 2 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual DO MEN EE EE 30 Sd Temperalite Gral eer 30 A EE eS 30 aia ino PE A e E A 30 AAA eu E E AE A E A E E E EE E E dua 30 O AI A 31 E E OU yr tren verter yr ere erer rt rr er 31 A Meee eee eee ener ee er et te 31 6 6 Stopwatch DF this setting only applies to Gauge Mode 31 6 7 Dark Mode this setting only applies to Gauge Mode 32 6 8 Analog Clouds SS Doe Ojo E I OU E NA 32 A A e o o UU re 33 SL A Ee 33 CR ET 34 Ja Ne AAA PP herve O rere terete rere rerererr Teeter Teter rrr rer errr 34 DZ MIO RETO escasas asada dede 34 E PP AA 34 A A 34 A E E E 34 7 6 Minimum Surface Internal 35 UM E OO AANA AANA EASE 35 ToB TYE a ee E o E E E N A eee 35 TOD NE UC a ccce cee ces ecee eeec ec aees ses ces eee eminence anean neces ecaeesccccaa 35 IN PP o 35 PPP dese dun etoee tasuteg E tue utes nectar etucevueeteeetvestureseeneuretaseeeeeteue 36 Og ATI AMM 36 LO E 36 dE Kr 36 GES gl 36 O EE 36 SEENEN 36 Is AAA ren rn een A E E een ee ee ee ee eee 37 UNDERWATER ECH BE 38 Pe SNS 61a Om Lo 38 PeBe r Bee Balon 38 LORON Undo GPS eat 38 PERA e A E E In 39 Ee S
35. Dive Gas Liquivison Products Inc 45 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual If you remove a Default Gas or change 1ts mode from Dive Gas to Deco Backup or Off the Default setting will be passed to the first Dive Gas on the list of gases If there is no such gas configured it will be passed to first gas on the list and its mode will be changed to Dive Gas If you are in CCR mode the Default Gas will be your diluent and it will be impossible to switch diluent while diving Dive Gas Dive Gases will be available for switches during the dive and will be used in ascent schedule calculation Their maximum PO2 is determined by the PO2 dive menu item Deco Gas Deco Gases will be available for switches during the dive and will be used in ascent schedule calculation Their maximum PO2 is determined by PO2 deco menu item Backup Gas Backup Gases will be available for switches during the dive after choosing option Show All in the Change Gas underwater menu A Backup Gas will be used in ascent schedule calculation only after you switch into it and only until your ascent schedule reaches a depth where it can switch to another Dive or Deco gas You can alter this by marking some of Dive or Deco Gases as Lost see below A typical example of Backup Gases would be to configure the Gases your dive buddy is taking but that you don t have That way you can
36. Gas into a Dive or Deco Gas 1ts MOD will be calculated Existing Gases If you tap into any of existing gases you will see this submenu Liquivison Products Inc 23 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual e Set Default this option will appear only if this gas is not already set as the default Default Gas is the gas you start breathing when you begin your dive on OC or the diluent when you dive on CCR The Default Gas must always be a Dive Gas so 1f you change a Backup or Deco Gas to Default this will automatically make it into a Dive Gas see Gas settings for more info e Copy this option works in a similar way as Add Gas but it has the additional benefit of pre populating the gas parameters with same values as the gas you chose You can then edit these parameters to create a new gas e Edit once again this option has a similar interface as Add Gas but when you select OK the gas will be edited not added e Delete this option will appear only if gas you have chosen is not the only gas configured For more details on gas modes refer to Gas settings subsection of Dive Planning section of the manual 4 4 Runtime In this section you can enter your dive plan and see what ascent schedule will XEO compute underwater assuming that you follow the dive plan precisely You can configure two types of waypoints Normal where you set a target Depth a
37. HEIRS EXECUTORS OR PERSONAL REPRESENTATIVES FOR ANY LOSS DAMAGE COST EXPENSE OR CLAIM ARISING OUT OF CAUSED BY OR RELATING TO YOUR PERSONAL INJURY OR DEATH WHILE DIVING EVEN IF YOUR PERSONAL INJURY OR DEATH IS CAUSED IN WHOLE OR IN PART AND DIRECTLY OR INDIRECTLY BY THE XEO OR YOUR USE OF THE XEO AND REGARDLESS OF WHETHER OR NOT THE XEO FUNCTIONED PROPERLY OR WAS DEFECTIVE IN ANY WAY YOU HEREBY IRREVOCABLY WAIVE AND RELEASE LIQUIVISION FROM ANY LIABILITY OR OBLIGATION TO YOU OR YOUR HEIRS EXECUTORS OR PERSONAL REPRESENTATIVES FOR ANY LOSS DAMAGE COST EXPENSE OR CLAIM ARISING OUT OF CAUSED BY OR RELATING TO YOUR PERSONAL INJURY OR DEATH WHILE DIVING EVEN IF YOUR PERSONAL INJURY OR DEATH IS CAUSED IN WHOLE OR IN PART AND DIRECTLY OR INDIRECTLY BY THE XEO OR YOUR USE OF THE XEO AND REGARDLESS OF WHETHER OR NOT THE XEO FUNCTIONED PROPERLY OR WAS DEFECTIVE IN ANY WAY You must read the Agreement for all limitations and exclusions of Liquivision s liability to you Trademark Notice Liquivision the Liquivision logo XEO the XEO logo and Dive Enlightened are all registered and unregistered trademarks trade names and service marks of Liquivision Products Inc All rights are reserved Patent Notice U S and international patents have been applied for to protect the Liquivision Tap Based Navigation and the Liquivision Ceramic Pressure Sensor Technology U S Patent 8359172 UK Patent GB2455389 other patents pending Liquivison P
38. LIQUIVISION Xeo Dive Computer User Manual Dive computer software version 2 58 Liquivison Products Inc Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual CONTENTS IMPORTANT NO KL DEE 6 User Are ment and Watt 7 USE NM dao oleo 1 Ein eege 7 Kee IN OU CC EE 7 PACT NTI sae oe E E I Hna 8 INTRODUCTION XP OPA RE 8 nero eta os lio PA PP o o e o To ER E 8 SOLA A oros 8 GETTING STARTED BEFORE DIVINO rar 9 Register Your Unit Activate Your OC Software Free 9 setup Gradient Factors Time Date amp Battery Type wicisccicicccicscdessiscedsaciessicacdsscdessdsasdessiesedsasdessiassdsandseeiaeedeacs 9 REATTOS E E ee E E E EE N E E E E E NE E E OEA 10 Familiarize Yourself With Tap Navigation ooocccccocnncconcnnonnnnnnononnnononnnonnnnnonnnnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnoniniss 10 GETTING STARTED FEATURES OF YOUR XEO UNI 11 GETTING STARTED HOW TO TURN ON TAP YOUR UNITA 12 GETTING STARTED esas 19 AEO E ET DISHI ai eaei 19 AA 19 ESE E e QUE DIC seal 19 Opam EE e dada dicas 20 e BR E EECH RE 20 Man Mo A A AEE E E 20 RPS O A E 21 ER MM E 21 IE EECH E i EE 21 IA En rere tere errereine ere eee reer ere err een irr eer ren irre rene irre creer 22 AEM ode DECO AUTO ia 22 e Eege 22 D e A q E e o PEI 23 E E rr O 24 AA E RT E E E E 26 PALATE OT OIF E 26 aD IDO AA a 26 AO EE 26 EE A e 26 A A Ns 27 AD DECO A e oe 27 A bebe 27 4 6 2 PO2 due 27 TONE dz E 27 OEE EE Zi O MIN
39. QUIVISION X O Dive Computer User Manual Then pretty quickly e Pick up your XEO and turn on its wireless transmitting function o tap 1t three times to wake 1t up o tap 1t three times again to enter menu mode o tap down through the menu options until you reach Connect To PC o tap the side of your XEO to select this option o you will see a message WAIT FOR PC e Replace your XEO in alignment with the PC Interface e Return to the Dive Logger Software and turn on its transmitting function Menu Computer Help o Select Computer from the top menu met HE o Select Connect Locafions You should see a window like this pop up Connect your Liquivision Xen Choose your device connect and begin transfer INFO Requesting page 2 sector 1 Cancel s demarrer The Dive Logger will download all your dives this will take a few minutes which will then show up in the right column of the program Once the dives are downloaded you can assign Dive Locations to each dive and record extra notes How To Install The Liquivision Firmware Updater Onto Your PC In order to update the firmware inside your XEO you need the XEO PC interface device and you need to install a utility called the Liquivision Firmware Updater If you do not have a XEO PC interface and you would like to update the firmware on your unit your dealer should be able to do it for you Liquivison Products Inc 79 Revision 3 2 Software 2 58 LI
40. QUIVISION XEO Dive Computer User Manual PC Firmware Updater Internet Explorer e Goto the Enlightened Series Software Downloads page to download the latest Liquivision Fimrware Updater installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Firmware Updater link under Windows Users You will be asked 1f you want to Run or Save the program Click Run The file will download and the install wizard will launch Follow the wizard and the Liquivision Firmware Updater will be installed PC Firmware Updater Firefox e Goto the Enlightened Series Software Downloads page to download the latest Liquivision Fimrware Updater installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Firmware Updater link under Windows Users You will be asked if you want to save the file Click Save File The downloads window will pop up if it does not go to Tools gt Downloads The top item in the downloads window will be LVFirmwareSetup exe Double click on it You will be asked Are you sure you want to launch LVFirmwareSetup exe Click OK e Follow the wizard and the Liquivision Firmware Updater will be installed If for some reason the downloads window 1s empty then browse to the location that Firefox stores downloaded files and double click on LVFirmwareSetup exe from there PC Firmware Updater Google Chrome e Goto the En
41. The battery icon is solid green when the battery voltage 1s o more than 3 30V for disposable Lithium battery o more than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid yellow when there 1s o less than 3 30V for disposable Lithium battery d o less than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid red when there is o less than 3 10V for disposable Lithium battery o less than 3 40V for rechargeable Lithium Ion battery Liquivison Products Inc 58 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Learn more about your XEO s battery in the section Important Information About XEO Batteries Battery Savings Mode In the event that your battery 1s very low during the dive your XEO will go into Battery Savings mode It is a mode that tries to preserve the battery as much as possible so that the XEO keeps functioning as long as possible This mode changes the following things e all the information on the display will turn green the color that 1s most power economical e the display brightness will be set to low For more details please refer to Battery Savings Mode When Your Battery Voltage Drops Below A Critical Level Exiting the water Once you are shallower than 0 6 meters 2 feet your XEO will go back into surface mode and offer you access to surface menus However for next few minutes it will remain in post dive mode You can control
42. anning Keep in mind that the gas or setpoint switches configured in this submenu have little to do with XEO gas or setpoint switch suggestions or automatic switches if your Auto Switch feature is On The latter are based on the Best Gas concept see Gas settings or the pre programmed On Descent and On Ascent values see Dive Setup settings above Liquivison Products Inc 25 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual One final thing to remember is that the Compute Deco feature might produce unexpected and wrong results if you manually enter waypoints that are breaching your decompression ceiling As an example if you enter a 90m 300ft waypoint after which your decompression should start at 42m 140ft but you manually overwrite it by creating next waypoint at 30m 100ft then you would get erroneous decompression computations 4 5 Alarms Your XEO can display visual alarms when you exceed any of the following parameters Maximum depth Maximum dive time Maximum ascent rate Maximum descent rate When the alarm is activated for any parameter that piece of information will start blinking on your screen for one minute If you do not correct the situation within one minute the parameter display will invert i e it will appear as black letters on colored background until you correct situation causing the alarm Once you do that the alarm will turn off The only exception is a time alarm
43. argeable batteries LFP123A 5 spare O rings reseal able tube of O ring lubricant Liquivison Products Inc 64 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual XEO O rings You should inspect your battery cap O ring with every battery change Check for cracking damage or dirt If you choose to replace your O ring always make sure to clean the battery cap properly to remove any residue that may prevent a good seal and to lubricate the new O ring with silicone O ring lubricant Only O rings contained in Liquivision battery packs can be guaranteed to perform to Liquivision standards To order spare batteries and O rings for your XEO please contact your local Liquivision dealer How To Determine XEO Battery Life Remaining The ER14335M XEN batteries can provide up to 46 hours of dive time with your unit while ER17335M batteries can provide up to 90 hours of dive time with your unit low brightness green font battery used within a month of initial use although 20 30 hours for the ER14335M batteries and 40 60 hours with the ER17335M batteries is more typical if you use the standard Liquivision color scheme on medium brightness and all the dives are done within a month of first using the battery The rechargeable LFP123A batteries usually provide 14 18 hours of dive time and can be recharged up to 1 000 times Battery life is shown by the battery indicator on your XEO e A Green battery icon means that you have
44. batteries are authorized for use with your XEN ER14335 or ER17335 batteries no M are NOT compatible Only the batteries contained in Liquivision battery packs can be guaranteed to perform to Liquivision standards Use of other batteries could lead to inaccurate battery meter readings and if the battery reading is not accurate you could be diving your XEO on an empty battery without knowing it This could lead your XEO to turn off unexpectedly leading to a loss of critical dive information As of April 1 2013 ICR16340 and LiFeP04 Tenergy batteries are no longer being sold in battery packs They have been replaced by the LFP123A K2 batteries Be safe Use Only Approved Batteries Set Your XEN To the Correct Battery Type To Get Accurate Battery Meter Reading We strongly recommend always having a spare battery on hand since spare batteries have a long shelf life and do not require any special storage environment just dry and away from direct sunlight or heat Spare batteries are sold as follows e Disposable Battery 1 Pack disposable battery ER14335M or ER17335M spare O ring e Disposable Battery 3 Pack 3 disposable batteries ER14335M or ER17335M 3 spare O rings reseal able tube of O ring lubricant e Charger Kit Charger AC Adapter with international plug adapters 2 rechargeable batteries LFP123A 5 spare O rings reseal able tube of O ring lubricant e Rechargeable Battery 2 Pack 2 rech
45. configured as Backup Gas or Custom Gas e END it is triggered is gas you are breathing at your current pressure has higher END than than your configured Max END e OTU if you have exceeded your OTU limit within the last few days refer to Oxygen loading section to learn more about how XEO computes those limits e CNS if you have exceeded your CNS limit refer to Oxygen loading section to learn more about CNS tracking Each of the above alarms is displayed as a Blinking Gas Label alternating with the red label of the alarm PO2 END CNS If more than one of them is on they will alternate as well Temperature The current temperature of the surrounding environment is displayed in the lower left hand corner next to the battery indicator It is displayed either in Celsius or in Fahrenheit depending on your Units setting refer to the Units section of the manual for details You will see a C or F letter next to the temperature value to let you know which units you have selected Keep in mind that the temperature sensor is inside the XEO unit so it may take a moment for it to adjust to a rapid external temperature change The XEO will function when its internal temperature is between O to 40 C 32 to 104 F If the XEO s internal temperature exceeds 40 C 104 F in direct sunlight for example the OLED display could show some visual disturbances This is not a product failure
46. considers a dive after divers descends below 1 6m 5 2ft e If the time you set is too short to reach the specified depth the simulator will just keep descending for the allotted time and then start ascending without reaching the depth you specified e Please note that the Auto Dim option 1s not available during a simulation You can stop the simulation at any time by tapping the unit 3 5 times to enter the underwater menus and choosing Stop Simulation to learn more refer to the Stop Simulation section of the manual 3 Dive Log The Dive Log keeps track of dives you did with your XEO including their depth and temperature profiles With use of a XEO PC Interface and related software you can download this information to your desktop or laptop for more information on this please read the XEO PC Interface section of the manual Your XEO is capable of remembering hundreds of dives Older dives though will not have their depth and temperature profiles available The number of dives recorded by the Dive Log depends on the Log Period you select If you set the Log Period to 1 second 1s there 1s space for more than 60 hours of dive profiles This will increase substantially if you increase the Log Period For example with the Log Period set to 60 seconds 60s your XEO would be capable to remember 3600 hours of dives To learn how to change the Log Period refer to the Log Period section of the manual 3 1 Log Summary In the Log
47. crystals and are used by NASA in outer space However they can have a drift that can cause your unit to gain or lose time at a predictable rate Should your XEO be noticeably gaining or losing time you can follow our Time Calibration Procedure to correct for your unit s drift To perform this procedure you will need access to the internet and have 48 hours during which you do not need to dive your XEO Then take the following steps 1 Check that there is no pre existing time adjustment set up on your unit a Make sure your XEO is at room temperature and has a working battery in it b Enter the Calibrate Time menu c Make sure that the Daily value is Om00s if not set it to zero d Exit that menu and then exit the main menu 2 Match your XEO s time to the time provided by the Greenwich Mean Time website a On your PC or MAC go on the internet and visit http www wwp greenwichmeantime com b Select your time zone c Make sure that the website is now showing the correct time of day for your area d On your XEO enter the Ready to Dive screen and note the time of day in the lower left Liquivison Products Inc 36 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual e f g h i Then go to the Time Date menu Set the hours and minutes to the current time displayed on the website plus one minute if the website displays 11 45 21PM set your XEO to 11 46PM Move the cursor
48. d Start will re start the stopwatch if it is paused Initially when you turn the Stopwatch on for the first time during your dive it is paused Reset this will set your Stopwatch count to 0 If the Stopwatch is running it will keep running now counting again from 0 Off this will pause the Stopwatch and turn it off The dive display will return back to normal If you turn your stopwatch back on later it will have same count as when you turned it off Bear in mind that to make it easier for you to operate the stopwatch the items in the stopwatch submenu change order If the stopwatch is running first item is Reset and second item is Stop If the stopwatch is not running first item is Start and second item is Start 6 Reset AVG This option is only available in gauge mode as well It will reset the average depth that has been calculated from the beginning of the dive and it starts calculating it from this point onwards Keep in mind however that the average depth in your dive log will be average depth over the whole dive Liquivison Products Inc 4 Revision 3 2 Software 2 58 LIQUIVISION Xeo Dive Computer User Manual 7 Dark Mode On Off only available if Dark Mode is activated in the Surface Menus This underwater option turns on or off the low brightness color scheme you have pre selected during your surface dive preparation please refer to the Dark Mode section of the manual for more info
49. e Status screen please refer to Status section for details Liquivison Products Inc 54 Revision 3 2 Software 2 58 LIQUIVISION Xeo Dive Computer User Manual DIVING WITH YOUR XEO IN GAUGE MODE Entering the water Dive Planning WARNING Your XEO in Gauge Mode acts as a bottom timer it calculates the duration of your dive its depth and other simple parameters It does not make any decompression calculations nor does it provide any decompression information You will need to use other means tables desktop decompression planners dive computers etc to plan your dive Never attempt to plan a decompression dive without a proper training Although your XEO in Gauge Mode does not provide any decompression information it will be a great tool in assisting you to execute a pre planned dive IMPORTANT NOTE ON SWITCHING TO FROM GAUGE MODE In Gauge Mode surface off gassing continues when the device is above water Once the device is underwater all deco calculations are suspended When switching from Gauge Mode to Rec Tec Mode the deco information will no longer be accurate since previous tissue values are used When you switch out of Gauge Mode you will see this warning Tap Left to continue Turning Your XEO On We recommend that you switch your XEO on yourself before you enter the water to check the remaining battery power and to make sure that all is functioning properly You can turn it on by tapping
50. e http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Dive Logger link under Windows Users When the download is finished a tab will appear in the far lower left corner of Chrome Left click on the LVDiveLogSetup exe tab that appears in the far lower left corner of Chrome You will be prompted to run the program click Run Follow the wizard and the Liquivision Dive Logger software will be installed The wizard will install a shortcut to the Liquivision Dive Logger on your desktop To launch the logger double click on the shortcut Create a username for yourself and you re ready to go Liquivison Products Inc 77 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual Mac OSX Dive Logger all browsers PLEASE NOTE The Mac OS X Dive Logger 1s only compatible with Snow Leopard and Lion not with Leopard or any earlier versions of Mac OS e Goto the Enlightened Series Software Downloads page to download the latest Liquivision Dive Logger installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Dive Logger link under Mac OS X Users The downloads window will pop up 1f 1t does not go to Tools gt Downloads The top item in the downloads window will be Mac 1 71 dmg Double click on it It will mount as a drive where you then see the Liquivision Loader and the Liquivision Dive Logger To install those two pr
51. e alarms that are on at that moment to be silenced until the end of the dive Alarms you can silence are e Depth alarm e Time alarm e Ascent Descent Rate alarm Other alarms 1 e deco ceiling alarm and gas related alarms cannot be silenced For example if you have exceeded your maximum depth and time alarm settings both of these alarms will be on If you choose to Silence Alarms you will turn both of these alarms off and neither of them will be displayed on this dive anymore no matter what depth you go to or how long you stay there for However if you exceed your maximum ascent rate on the same dive it will still cause an alarm Keep in mind that the descent and ascent rate alarms are the same alarm if you silence the descent rate alarm on the way down you will not see alarm go off if you ascend too fast on the way up Liquivison Products Inc 39 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 3 Change Setpoint This menu item appears only when you are diving in CCR mode and provided you are not bailing out In the surface menus you can configure your High and Low setpoints see Dive Setup menu item If you are currently diving either the High or the Low setpoint then only the alternate option will be displayed This means that if you re at the Low setpoint the first item will be High and conversely if you re at the High setpoint the first item will be Low
52. econds starting from the moment your XEO reaches 1 6 meters 5 25 feet It will stop once you surface and 1t will reset once you have been on the surface for more than 3 minutes Dive time can be displayed in several ways The minutes of your dive can be displayed as follows refer to the Show Hours section for details minutes seconds e g 135 00 hours minutes seconds e g 2 15 00 Liquivison Products Inc 56 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual The seconds of your dive can be displayed as follows refer to the Analog Clock section for details asa number e g 135 00 a graphical indication of the seconds elapsed a bar display filling up to a full minute Depth Another one of the large number on the display 1s your current depth its location depends on the display setting you have chosen Please refer to the screenshots above to locate the depth value for each display setting If you chose metric units you will see depth in meters and one decimal place in smaller font If you chose imperial units you will see depth in feet and no decimal places Please refer to the Units section of the manual for details Stopwatch As you begin your dive and your XEO goes into dive mode the stopwatch will be off You can activate the stopwatch during your dive by tapping into menu mode and selecting Stopwatch On Turning the stopwatch on will cause the time display to
53. eferences g y g g to you p p You will find step by step information on how to enter your desired Gradient Factor value here E g Entering Your Free OC Software Activation PIN Setting Up GEFs Time Date Battery Type You can find more information on Gradient Factors theory here Gradient Factors Liquivison Products Inc 9 Revision 3 2 Software 2 58 LIQUIVISION Xeo Dive Computer User Manual Liquivision asks you to enter the current Time Date as they have an impact on the accuracy and reliability of the XEO s decompression calculations If you do not set these values initially and change them later on when using your XEO 1t could introduce errors into the surface interval calculations Liquivision asks you to confirm your Battery Type to ensure you get accurate Battery Meter readings You will find step by step information on how to setup the Time Date and Battery Type here E g Entering Y our Free OC Software Activation PIN Setting Up GFs Time Date Battery Type Read The Manual Before your first dive with the XEO read this manual and make sure you fully understand it After any period of not using your XEO we recommend that you re read the manual to make sure you fully know and understand how to use it If you have any questions refer first to this manual then to the FAQ on the Liquivision website and finally to your XEO dealer If none of this helps contact Liquivision support at www liquivision com contact php Fam
54. en start the programs by selecting them from your Applications folder by double clicking them Alternatively you can also launch them from your Launchpad Liquivison Products Inc 80 Revision 3 2 Software 2 58 LIQUIVISION Xeo Dive Computer User Manual How To Install the Newest Firmware On Your XEO You should always run the latest and most recent software on your XEO You may already have the latest version which makes an upgrade unnecessary You can find out which version you are running and whether you need to upgrade by comparing your software version which you find under Preferences gt Status to the XEO Software History http liquivision com downloads XEOSoftwareHistory php Some early versions of the software have minor bugs which were fixed in later versions If you have determined that your software should be upgraded follow the steps below For starters e Make sure the XEO FTDI drivers have been installed on your computer Windows only Instructions Make sure the Liquivision Firmware Updater has been installed on your computer Instructions Connect the XEO PC interface to your computer with the included USB cable Instructions Make sure the USB cable is plugged into the Xeo PC interface see photo below Place the XEO on the desk on its side with the PC interface aiming for the eight holes on the backplate see photo below e The distance from the PC interface to the Xeo should be between 2cm and 4cm 1 2 inches
55. escription of the PIN entry process in the E g Entering Your Free OC Software Activation PIN Setting Up GEFs Time Date Battery Type section of the manual You may be required to re enter this PIN after a software update so please keep a written record of it for reference 3 LOCK UNLOCK This menu item allows you to lock all your menu settings so they cannot change accidentally due to random shaking e g during a bumpy ride to the dive site or knocking around in your backpack Liquivison Products Inc 21 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual To lock just select the LOCK menu item by tapping on the side of your unit Your XEO 1s now locked and the menu item will change to UNLOCK To unlock just select UNLOCK by tapping on the side of your unit You will have to enter the unlock sequence It is 123 and you input it in the same way as you input your PIN number refer to E g Entering Your Free OC Software Activation PIN Setting Up GEFs Time Date Battery Type if you have trouble entering the number The screen will also remind you how to perform the unlock sequence The unlock sequence prevents random unlocking of the unit it is very improbable that random shakes will input that sequence When a unit is put in LOCK mode the scrollbar will turn Red Once you unlock the scrollbar will turn back into green and you can proceed with your use of the XEO 4 Dive
56. estimated remaining dive time This test will take approximately minute During the battery test you will see the screen light up progressively with white pixels to provide a battery reading when the unit is at maximum battery consumption Liquivison Products Inc 35 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 8 Salinity You can adjust salinity settings here There are three available modes e fresh 1 kg l such as freshwater lake or river e brackish 1 012 kg 1 such as some estuaries inland seas etc e saline 1 025 kg 1 such as open sea By selecting the correct salinity you ensure that your displayed depth will be accurate XEO like any other depth gauge or computer in order to measure depth measures pressure Depending on water salinity there will be a slight variation in pressure at the same depth If you are unsure of the water salinity choose the salinity that your dive decompression tables were calibrated to 9 Time Date In this submenu you can set all the options connected with time and date 9 1 12h 24h Choose the one you prefer the AM PM type time format or the 24 hour format 9 2 Time Time of day displayed in hours and minutes 9 3 Date Month and day 9 4 Year Current year The year should be within period of 2010 to 2023 9 5 Calibrate Time The Liquivision XEO uses a silicon oscillator to keep time Silicon oscillators are far more reliable than quartz
57. f the dive Max Temp maximum temperature over the whole duration of the dive Surf Int the surface interval since last dive CNS start the central nervous system oxygen saturation in percent at the beginning of the dive CNS finish the same value at the end of the dive OTU oxygen toxicity units acquired throughout the duration of this dive Depth Graph by choosing this option you will see depth profile of your dive Temp Graph by choosing this option you will see temperature profile 5 3 Depth Graph The depth graph spans whole width of the screen with the start of the dive at the left most part and the end of dive at the right most part The top of the screen represents the surface of the water and the bottom of the screen represents the maximum depth reached this number is also printed on the screen By tapping you exit back into the Log Detail menu 5 4 Temperature Graph The temperature graph also spans whole width of the screen with start of dive at the left most part and the end of dive at the right most part There are two numbers printed on the screen one in bottom left that is temperature represented at the bottom of the screen and one in top left that is temperature represented at the top of the screen By tapping you exit back to the Log Detail menu 6 Display Settings This is a series of settings you can use to personalize your XEO s display 6 1 Brightness The
58. g this option The best thing 1s to input every gas you and your buddies are taking underwater If your buddies use different gases than you do then you should enter them as Backup gases and revert to them in case of an emergency Liquivison Products Inc 40 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 5 Stopwatch The Stopwatch is a timer that you can turn on and off start pause and restart during your dive Here is how it appears in each of the four screen layouts EE STANDARD SIMPLE ALTERNATE LARGE If the Stopwatch is Off your XEO s underwater menu has an item called Stopwatch On If you select this item by tapping either side of your XEO unit you will activate the Stopwatch function and you will see your dive display rearrange itself it will show the Stopwatch in addition to the information it was previously displaying When the Stopwatch function is On and you return to the underwater menus you will see a menu item called Stopwatch and this takes you to the submenus that control the use of the stopwatch Stopwatch Shortcut if the Stopwatch is On then by tapping three five times on a side of your XEO you will be taken directly to the stopwatch sub menu Stop Start depending on whether the Stopwatch is running or paused at the moment this will either say Stop or Start Choosing Stop will pause the stopwatch if it 1s running an
59. graded from BLACK to WHITE Sa 2 Energy Liquivison Products Inc 62 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual These rechargeable batteries can ONLY use this white battery charger that is compatible with the LFP Lithium Iron Phosphate battery chemistry DO NOT use the old black battery charger that was compatible with the Green ICR15340 batteries Those batteries were Lithium Ion Cobalt and used a Lithium Ion Cobalt charger This black charger will not charge your LFP batteries properly and may damage them e DISCONTINUED Silver wrapper with green text LiFeP04 3 2V Tenergy compatible with WHITE battery holders ONLY units 1250 and up and with units that have had their battery holders upgraded from BLACK to WHITE e DISCONTINUED Green wrapper ICR16340 3 7V compatible with WHITE battery holders ONLY units 41250 and up and with units that have had their battery holders upgraded from BLACK to WHITE e DISCONTINUED April 2013 Black charger for Green ICR16340 batteries This is a Lithium Ion Cobalt charger that is compatible with Lithium lon Cobalt batteries like the Green ICR 16340 It is NOT compatible with the new LFP batteries Liquivison Products Inc 63 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual WARNING THESE BATTERIES ARE THE ONLY AUTHORIZED BATTERIES Please note that only ER14335M ER17335M LFP123A LiFeP04 and ICR 16340
60. he depth at which you want your display brightness to be reduced to Low By using the Auto Dim feature here s what will happen e At he surface display brightness will be at the setting chosen in the Brightness menu e Once you reach your Auto Dim depth and below the brightness will switch to Low e Between these two the brightness will decrease linearly with depth e g at half of the Auto Dim depth it will be halfway between the surface brightness setting and Low If you set your Brightness setting to Low the Auto Dim feature will have no effect The default Auto Dim setting is Off You can adjust it in 10m 30ft increments 8 3 Layout Your XEO comes with a four underwater display layouts to choose from Standard Simple Alternate and Large You can see screenshots of each layout in the Display Settings Layout section of the manual 9 Stop Simulation This option is displayed only if you are underwater in a simulated dive to learn more about dive simulation please refer to the Simulate Dive section of the manual In such a case choosing this will immediately stop simulation and return back to the surface menus Liquivison Products Inc 42 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual DIVING WITH YOUR XEO IN DECO MODE Dive Planning Your XEO has a wide set of features that can assist you with your dive planning and preparation You ca
61. hich features all data in a dim red color is designed for use at night as red has the least impact on the quality of your night vision The Dim mode which features all data in a dim green color can also be used at night to preserve your night vision or as an ultra battery savings measure in low light conditions 6 8 Analog Clock This setting affects how the seconds portion of your dive time is displayed By selecting Off you will have the seconds value printed as a number on your display By selecting On you will see a graphical indication of the seconds elapsed a bar display filling up over time to a full minute Analog Clock OFF Analog Clock ON 6 9 Show Hours This setting affects how your total dive time will be displayed By selecting Off you will have the dive time shown as minutes seconds with the minutes value exceeding 60 once more than an hour has elapsed By selecting On you will have the dive time show as hours minutes seconds with the minutes value only reaching 59 before being converted into 1 hour and 0 minutes Liquivison Products Inc 32 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Show Hours OFF Show Hours ON 6 10 Colors Choosing this option will take you to entire sub menu where you can choose colors for different parts of your display You can set the colors of the following values Depth Total dive time Maximum depth Maximum depth label
62. iliarize Yourself With Tap Navigation Liquivision s tap based navigation has what we call a one beer learning curve Sit down on your sofa for half an hour with a beer and tap through the XEO menus to familiarize yourself with the tapping interaction and the general menu layouts Liquivison Products Inc 10 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual GETTING STARTED FEATURES OF YOUR XEO UNIT Customizable Color OLED Display Battery Compartment L IQUIVISIO n Xeo Front Bungee Holes Front Strap Holes Back Strap Holes Back Bungee Holes Infra Red Aperture for connection to PC Interface Serial Number amp CE Mark HOW TO INSERT THE BUNGEE CORD We recommend splitting the bungee in two and using two separate pieces to secure your unit so if one breaks the other holds We recommend heat sealing the knots at the end of the bungee cord pull the knot away from the XEO casing heat it up lightly and form the hot plastic into a hard ball that can t slip back through the bungee hole Liquivison Products Inc 11 Revision 3 2 Software 2 58 LIQUIVISION Xeo Dive Computer User Manual GETTING STARTED HOW TO TURN ON TAP YOUR UNIT DOWN TAP Aim for the center of the unit v Tap on the vertical surface shown in green x DO NOT tap on the angled surface sho wn in red Plane for Up and y Down Tapping Your Up and Down taps should follo
63. in 10m 30ft increments Liquivison Products Inc 30 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 6 3 Refresh You can either set refresh rate to Fast or Normal The default setting is Normal In most cases you will not notice the refresh rate when set to Normal but if you do you can set it to Fast Using the Fast setting will shorten the battery life 6 4 Layout In Deco Mode your XEO comes with a single underwater display layout We welcome user feedback regarding this layout and we remain open to the possibility of creating additional layouts in future software updates In Gauge Mode your XEO comes with four underwater display layouts to choose from STANDARD SIMPLE ALTERNATE LARGE 6 5 Velocity This setting changes whether or not ascent descent rates will be displayed It will show the rate as a number of meters or feet per minute and an arrow showing whether you are ascending or descending Velocity OFF or not ascending descending Velocity ON ascending at 12 mpm current units metric 6 6 Stopwatch DF this setting only applies to Gauge Mode While this setting 1s visible in the Display Settings menu of both Deco Mode and Gauge Mode the stopwatch is only available when your XEO is running in Gauge Mode This setting lets you control whether the stopwatch will be on at the beginning of a new dive in Gauge Mode The default setting 1s Off
64. l risk of doing so improperly opening the possibility of flooding the battery compartment Replacement Battery Storage You should generally have at least one spare battery on hand to make sure you have the possibility of changing your battery should the situation require you to do so Spare batteries should be stored in a cool dry place away from direct sunlight Service information While we feel confident of the ongoing accuracy European CE regulations require the unit to be periodically checked for the accuracy of its depth and time readings You may contact your dealer regarding testing every 5 years Liquivison Products Inc 61 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual IMPORTANT INFORMATION ABOUT XEO BATTERIES XEO Battery Type There are several battery options available for your XEO Disposable Batteries e White wrapper with blue text ER14335M compatible with BLACK battery holders ONLY units 0 1250 t mg lt a A O ER14335M 3 6V Lithium Battery e Blue wrapper ER17335M compatible with WHITE battery holders ONLY units 1250 and up and with units that have their battery holders upgraded from BLACK to WHITE NOTE ER17335M offers about DOUBLE the battery life vs the ER14335M Rechargeable Batteries e White wrapper with green text LFP 123A 3 2V K2 Energy compatible with WHITE battery holders ONLY units 1250 and up and with units that have their battery holders up
65. lay Display Display 8 1 Brightness 8 1 Brightness 8 1 Brightness htness 8 2 Auto Dim 8 2 Auto Dim 8 2 Auto Dim only 1f Auto Dim 1s activated in the Surface Menus 8 3 Layout Stop Simulation Stop Simulation 9 Stop Simulation only if running simulator only 1f running simulator only if running simulator only if Auto Dim is activated in only if Auto Dim is activated in the Surface Menus the Surface Menus EMERGENCY This submenu is meant for emergencies only Its settings affect how your XEO calculates your ascent schedule You can familiarize yourself with them by using Simulate Dive option in the Dive Planning submenu 1 1 Bailout Undo Bailout This option will appear in the menu if you are diving in CCR mode By selecting this option you are informing your XEO that you have just bailed out and switched to open circuit The XEO will assume that you are now breathing your diluent in OC mode and will also use all the other gases you have configured as Dive Gas or Deco Gas see Gas Settings section to plan your ascent You can reverse your bailout by returning to the EMERGENCY submenu and choosing Undo Bailout 1 2 GFs Off Undo GFs Off This option is meant for a situation in which you need to get out of the water as soon as possible It will remove any Gradient Factor based conservatism you have set up and will compute your ascent schedule with the bare B hlmann ZH L16C algorithm Liquivis
66. lder all the way into the compartment DO NOT FORCE IT It should have a tight but smooth fit 12 Screw in the battery cap 1 Place the cap lightly in the opening 2 First Turn counterclockwise until it clicks this will help align the threads 3 Then turn clockwise to tighten the cap If something feels wrong stop and start again d DO NOT force the cap your could damage the threads Screw the battery cap on the compartment using your fingers NEVER overtighten the battery cap User your fingers NEVER use a coin Liquivison Products Inc 72 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual OPTION CHANGE O RING If the O ring looks dry cracked or worn you may like to change the O ring in the battery cap If you wish to do this continue with Step 13 WARNING Attention LYNX T1 Transmitter owners Please note that the O rings that were provided with the XEN XEO and KAON before June 1 2013 are NOT compatible with LYNX T1Transmitters For more information about O ring compatibility please consult http www liquivision com docs Lynx_User_Manual pdf 13 Remove O ring by squeezing with fingers Slide your fingers along the sides of the battery holder squeezing tightly to make the O ring stick out a bit Then grab the edge of the O ring and slide it off DO NOT USE PLIERS d DO NOT use pliers or any tool to remove the O ring because you can scratch
67. leclick the file The firmware updater will launch automatically and you should see something like this Liquivision device update Welcome Please choose package file lvp downloaded with which you wish to update your Liquivision device lent XenFirm 105 lvp Browse Device Aen Hardware version ALL Software version 1 05 e Alternatively you can launch the firmware updater from your Applications and browse for the file on your computer e Then click OK e On the next screen click UPLOAD All Users Once you click UPLOAD you should see something like this 1PC Interface unit s found Starting Initial Sequence Establishing Communication with Xen Xeo SUCCESS Erasing existing software DONE Sending Password DONE Writing new software to Xen Meo this will take many minutes Liquivison Products Inc 83 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual After several minutes of further data transfer the install will finish and you should see this Liquivision device update Erasing existing software DONE Sending Password DONE sible new software to delete hase will take many dere geb BEEN DONE Checking data AE PASS PASS PASS PASS PASS PASS PASS Resetting Xen Xeo Starting Initial Sequence Xen Meo is reset 5 4 3 Aaa La FINISHED Upload If you do NOT see the seven words PASS as shown above or six words PASS followed
68. lightened Series Software Downloads page to download the latest Liquivision Fimrware Updater installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Firmware Updater link under Windows Users When the download is finished a tab will appear in the far lower left corner of Chrome Left click on the LVFirmwareSetup exe tab that appears in the far lower left corner of Chrome You will be prompted to run the program click Run Follow the wizard and the Liquivision Firmware Updater will be installed Mac OS X Firmware Updater all Browsers PLEASE NOTE The Mac OS X Firmware Updater is only compatible with Snow Leopard and Lion not with Leopard or any earlier versions of Mac OS e Goto the Enlightened Series Software Downloads page to download the latest Liquivision Fimrware Updater installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the Firmware Updater link under Mac OS X Users You will be asked if you want to save the file Click Save File The downloads window will pop up if it does not go to Tools gt Downloads The top item in the downloads window will be Mac 1 71 dmg Double click on it It will mount as a drive where you then see the Liquivision Loader Firmware Updater and the Liquivision Dive Logger To install those two programs drag each one of them into the Applications folder e You can th
69. mind you to go back deeper STOP Shown as a stand alone value see Picture 3 STOP shows the length of the deepest decompression stop on your XEO s ascent schedule when you are currently at this stop that 1s within 0 5m 1 6ft from it It is displayed in minutes and seconds rounded up to 10 seconds Liquivison Products Inc 50 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Now these numbers are displayed in various configurations depending on your depth and XEO ascent schedule e If your XEO s ascent schedule contains no decompression stops TTS and NDL are displayed Picture 1 above e If your XEO s ascent schedule contains decompression stops but you are not at the deepest one at the moment TTS and STOP FOR are displayed Picture 2 above e If your XEO s ascent schedule contains decompression stops and you are at the deepest one at the moment TTS and STOP are displayed Picture 3 above Dive Setup Based on your Dive Setup settings the moment you begin your dive your XEO will enter either OC or CCR dive mode This will be displayed in the lower left corner with either OC or CCR Furthermore if during CCR dive you bailout and indicate that by using Bailout menu option this label will change to BAIL Gas or Setpoint When you are diving OC or CCR in Bailout Mode below the type of dive OC BAIL you will have your current gas displayed It will be O2 for o
70. n Surface Display and you should see Ready to Dive OC Air Liquivison Products Inc 18 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual GETTING STA RTED XEO Surface Display When you turn your XEO on by tapping Down three five times 1t will go to the Ready To Dive Surface Display provided you have unlocked it set up the Gradient Factors Time and Date as per the steps listed here This Surface Display shows your dive setup OC CCR gas setting Air time of day 12 00AM and the battery status If you have already dove your XEO it will display information about last dive For more about this refer to the Exiting the water section of the Manual If you do not access menus or enter the water it will go into sleep mode after 5 minutes It will continue to monitor pressure in sleep mode so 1t will wake up again once you jump in the water and descend below 1 6m 5ft XEO Scroll Bar Once you have entered the Surface Display you can enter Menu Mode by tapping your unit three five times again If the list of menu items exceeds the space on the screen a Scroll Bar will appear on the right of the screen indicating where you are in the list A Scroll Bar at the top of your screen means you are the top of the list a Scroll Bar at the bottom of your screen means you are at the bottom First Check Your Battery The XEO displays battery status on its surface display so that
71. n configure the basic mode of the unit you are diving with OC or CCR mode refer to the Dive Setup menu section the gases that you plan to take with you on the dive refer to the Gases menu section as well as your decompression schedule refer to the Runtime menu section You can also configure various alarms depth alarm time alarm and ascent descent rate alarms refer to the Alarms menu section Finally you can configure minimum and maximum gas parameters last decompression stops if you would like different last stops than the standard 3m 6m 9m 10ft 20ft 30ft and algorithm conservatism parameters called Gradient Factors refer to the Deco Settings menu section WARNING Never attempt to plan or undergo a decompression dive without proper training Do not use the XEO ascent schedule as a definite source of decompression information The Dive Planning feature is provided ONLY as a way to predict the XEO s ascent schedule computed during dive assuming you follow the dive plan perfectly Both the XEO Dive Planning and In Water Decompression Calculations likely still have bugs We have looked for them and tried to eliminate them but they can still appear during use Bugs can cause the unit to provide inaccurate or incomplete information or cause the unit to reset or turn off and stop providing any information at all You should always check for software updates www liquivision com
72. n specified depth For example you might choose to limit yourself to 1 meter per minute 3 feet per minute once you re past your last deco stop which 1s planned at a depth of 3 meters 10 feet In this case you would set a rule Start Depth 3 metres and Maximum Rate meter per minute 4 5 5 Descent Rate This menu works in the same manner as the previous menu the Ascent Rate menu In this case though a rule 1s in effect once you re deeper than your specified start depth and first rule will apply from surface downward until you reach you next rule s start depth 4 6 Deco Settings In this submenu there is a set of parameters that affect how your XEO calculates your ascent schedule 4 6 1 GFs L H You will be asked to enter your chosen Gradient Factors prior to your first dive You can either confirm the default 100 100 setting B hlmann ZH L16C algorithm or modify the numbers to increase conservatism The factors are listed in the sequence Low High Low represents the factor at the deepest decompression stop and High represents the factor at the surface Both factors can range from 0 100 although Low must be less than or equal to High In this example Low is set to 30 and High is set to 85 For more information about bias factors refer to Gradient Factors section 4 6 2 PO2 dive Here you can setup the maximum PO2 for your Dive Gas This will define how deep your Dive Gas will still be conside
73. nd a Time spent at that depth and your XEO uses this information to create a dive plan Switch where you set a target Depth and a Gas you want to switch to at that depth and your XEO uses this information to create a dive plan Here s how you can use this feature Let s assume you have set up 3 gases 32 as your Default Gas Air as a Dive Gas and O2 as a Deco Gas If you are diving a typical square profile where you descent to a certain depth and stay there for a certain period of time before heading up all you will need to create is one Normal waypoint to get an estimated dive decompression plan Ex Square Profile Set up a Normal waypoint at 20m ca 65 ft on 32 for 20 minutes Your XEO suggests a switch to O2 at 7m ca 23 ft and a total dive time of 21 59 If you plan to dive a multi level dive on one gas you will need to set several Normal waypoints to describe your dive and get an estimated decompression plan Liquivison Products Inc 24 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Ex Multi Level Profile You already have a waypoint set up at 20m for 20 mins breathing 32 nitrox Instead of selecting Compute Deco you Add a waypoint at 30m for an additional 10 mins Then select Compute Deco Your XEO suggests a switch to O2 at 7m and a total dive time of 32 59 If you plan to dive a multi level dive with different mixes for each level y
74. nfluences the deep portion of the dive and 85 1s the High one influences the shallow portion of the dive Decreasing the Low value from 100 to 30 for example adds conservatism in the deep part of the decompression 1 e it might introduce additional deep stops and lengthen the deepest stops duration Decreasing the High value from 100 to 85 for example adds conservatism in the shallow part of the dive i e it might substantially lengthen shallow decompression stops For more details on Gradient Factors please refer to the publications in our Bibliography Oxygen loading Apart from inert gas loading your XEO also calculates your CNS Central Nervous System and OTU Oxygen Toxicity Unit loading Your current CNS OTU levels are easy to access through the Your Saturation menu item Both your CNS and OTU loading increases during your dive when the partial pressure of oxygen is above 0 5 bar On the surface your CNS loading decreases in a similar way to the inert gas loading it has a 90 minute half time Your OTU loading however does not drop on the surface Theoretically you can accumulate certain amount of OTU over a period of up to 30 days and your XEO uses the US Navy REPEX method to figure out how much more OTU can you accumulate on a given day You can view your CNS information and OTU remaining in two ways Access the Your Saturation menu item This will show you how much more OTU you have left for this
75. of your surface interval The Dive Planner will assume your next dive will begin once your Remaining Surface Interval has elapsed and it will compute your ascent schedule taking into account the Waypoints you set up and the saturations you would expect to reach based on these Waypoints See also the Runtime submenu for more information Whenever you begin a dive be it an actual dive a simulated dive or dive planning your XEO will assume that you are using your Default Gas see the Gas Settings section which when diving OC is the gas that you are breathing at the start of your dive or when diving CCR 1s your diluent Also in the case of CCR diving your XEO assumes that you start your dive using the Low setpoint Your gas or setpoint will change during an actual dive or simulated dive when o You enter the main underwater menu and use the Change Setpoint or Change Gas options o You enter the EMERGENCY underwater menu and use the Bailout option In bailout mode you are considered to be diving OC and breathing your diluent as a gas To change this you can use Change Gas o If the Auto Switch option is on Dive Setup menu either in OC or in CCR mode your current Gas or Setpoint may change as outlined in Settings That Will Affect Your Deco Plan Your gas or setpoint will change during dive planning when o You manually enter a Switch gas switch for OC setpoint switch for CCR see Runtime submenu for details o Your XEO c
76. ograms drag each one of them into the Applications folder You can then start the programs by selecting them from your Applications folder by double clicking them Alternatively you can also launch them from your Launchpad Create a username for yourself and you re ready to go How To Connect the XEO PC Interface To Your Computer e Connect the USB cable provided to your PC and to the PC Interface e At this point you should get a message New Hardware Detected e Place the XEO unit on its side with the PC interface aiming for the eight holes on the backplate e The distance from the PC interface to the XEO should be 2 4 cm or 1 2 inches How To Launch A Dive Log Download You can download your dive logs onto your Computer either by using the Liquivision Dive Logger or any other available dive logging program that supports downloading logs from your XEO bottom timer To download your dives first e Make sure the XEO FTDI drivers have been installed on your computer applies to Windows users only Instructions e Make sure the Liquivision Dive Logger has been installed on your computer Instructions e Then launch the Dive Logger program by double clicking on the shortcut on your PC desktop Windows or by selecting it in your Applications Folder or your Launchpad Mac OS X e Make sure the XEO PC Interface is properly connected to your computer Instructions Liquivison Products Inc 78 Revision 3 2 Software 2 58 LI
77. omputes ascent schedule more on this below When your XEO is computing your ascent schedule it is assuming you will be changing your gas or setpoint on the way up irrespective of the Auto Switch option e When diving OC your gas will be updated always to the Best Gas for a specific depth of your ascent schedule If there is not a single gas breathable at that depth a hypothetical situation which definitely is to be avoided it is not changed The Best Gas is chosen among all Dive and Deco Gases you have set up that have not been flagged as Lost e When diving CCR it does not change your setpoint until o Your depth at this point of your ascent schedule is below On Descent option then the setpoint will be changed to High o Your depth at this point of your ascent schedule is above On Ascent option then the setpoint is changed to Low Liquivison Products Inc 47 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Gradient Factors Gradient Factors are a method used to increase the conservatism of the bare Biihlmann ZH L16C algorithm Gradient Factors range from 100 100 bare B hlmann ZH L16C algorithm no added conservatism to 0 0 most added conservatism In fact the 0 0 setting refers to decompression based only on the oxygen window effect no tissue compartment supersaturation As an example if we consider a 30 85 GF setting then the first value 30 is the Low one i
78. on Products Inc 38 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 1 3 Lost Gas If you have lost a gas that was to be used later for decompression it is very important to use this menu option to mark it as Lost This will prevent this Lost Gas from being used in ascent schedule planning If you fail to do this your ascent schedule will be wrong as the XEO will assume that you can still use that gas EXAMPLE Let s say you are planning to use Air and Nx50 on your dive and let s say your deco time would be 30 minutes on Air and only 20 minutes on Nx50 If you were to lose Nx50 but not mark it as Lost then your XEO would tell you that your total Time To Surface is 20 minutes because it would think that you can still use the Nx50 However as long as you keep your XEO set to Air throughout your decompression the XEO will continuously adjust its calculations and in effect will keep you decompressing for 30 minutes At first the Lost Gas submenu displays only gases that are breathable at your current depth including your current gas If you select Show All it will display all Dive and Deco gases available except for those that you marked as Lost 2 Silence Alarms If an alarm is annoying you and you are confident that you should continue the decompression violation that is causing the alarm you can switch that alarm off Choosing the Silence Alarms option will cause ALL of th
79. ospheric pressure to determine the surface pressure at the start of your dive When it senses a sudden change in ambient pressure it understands that you have entered the water and that a dive is beginning Your XEO can generally distinguish between a sudden change in pressure caused by water entry vs other types of sudden changes in pressure such as a plane taking off or driving up a mountain This method of surface pressure detection has proven quite reliable but it is always possible to trick your XEO for example e if you place your XEO in shallow and very stable body of water such as a bucket full of dive gear being rinsed your XEO may assume that current surface pressure is more than it is in reality If you go diving immediately after this your depth reading may be distorted e if you increase ambient pressure very quickly after the XEO has adjusted for being at altitude e g if you were to skydive with a XEO it might go into a phantom dive as it will assume that you have entered the water In this highly unlikely case the only solution is to reset your XEO by removing the battery please refer to the Changing The XEO s Battery section for details You can always check what XEO assumes as the current surface pressure by going to the Status screen please refer to Status section for details Liquivison Products Inc 60 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual CARING FOR YOUR XEO
80. oth for cleaning your eye sunglasses Glove For battery change Spare battery Coin to unscrew battery cap For O ring change Spare O ring O ring lubricant 3 Clean your XEO unit Wash of any salt or other residue Dry the unit Wipe off any dust or lint with a lint free cloth Liq uivison Products Inc 70 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual 4 Unscrew the battery cap with a coin Gently turn counter clockwise 5 Continue with your fingers 6 Place the battery cap aside on its back 7 GENTLY pull the battery holder out Use your fingers to grab the little screw sticking out of the battery holder GENTLY pull the battery holder out of the casing d Pulling too hard can break the wires 8 Pull out just enough to access the battery d DO NOT pull out all the way It can break the wires Liquivison Products Inc 71 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual 9 Remove the old battery Lift at the front of the battery away from the spring 10 Insert new battery Flat end against the spring in the back Bumpy end in the front 3 e Y KA o DAITE yu SE dieses ang eur wf SES pees 11 Slide battery holder back in CORRECTLY Make sure to insert the holder with the battery facing up by aligning the lower part of the battery holder parallel to the unit s bottom Gently push the ho
81. ou find that you can see the screen flickering when you move the unit then select Fast Also if you plan on taking any pictures or video of the XEO select Fast The Fast refresh rate burns about 20 more battery power than Normal So battery life on Fast is reduced by about 20 4 Display mode The display mode Standard Alternate Simple Large has a small effect on battery life Simple burns the least power Alternate burns 10 15 more than Simple Standard burns 10 more than Alternate 5 Water temperature Diving in cold water water temperature below 12 C 54 F shortens the life of your battery We strongly recommend using conservative colors and brightness settings when diving in cold water to maximize your battery life Battery Savings Mode When Your Battery Voltage Drops Below A Critical Level The XEO circuit requires a minimum voltage in order to measure the depth properly In certain cases of ageressive brightness aggressive colors or extremely cold water the voltage of the battery may drop below a critical voltage Below that critical voltage it is no longer possible to measure depth accurately If that happens the XEO will automatically switch into Battery Savings Mode all colors will be changed to green and the brightness will be changed to low The refresh rate will not be changed Liquivison Products Inc 67 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Battery Savings Mode is
82. ou will need to set a Switch waypoint to tell your XEO to plan a gas switch Let s say that after 20m for 20 mins breathing 32 nitrox you would like to spend 10 minutes at 40m ca 130 ft and would like to breathe Air there Then you would set up two Normal waypoints and add a Switch waypoint As you can see in this last example your XEO provides a dive plan where you breathe 32 during your dive leg at 20m then descent to 40m and switch to Air Once you begin your ascent it recommends that you switch to 32 nitrox at 35m and then to O2 at 7m Your total dive time is 34 18 A few things to keep in mind Your XEO assumes your first waypoint is depth 0 and time 0 When preparing your dive plan your XEO uses the ascent descent rates configured in the Ascent Rate Descent Rate submenu of the Alarms menu For example if your first waypoint is 20 minutes at 30m ca 100ft and your Descent Rate Alarm is set to the default of 30 mpm then your XEO will assume you spend the first minute of your dive traveling to your target depth and only spend 19 minutes at the target depth If you have recently been diving and are still saturated from those dives there will be an additional item in the Runtime submenu which is Remain SI or Remaining Surface Interval Here you can configure the number of hours and minutes that you plan to stay at the surface before going on the dive that you are pl
83. our dives For each of these gases you can specify the following oxygen content helium content as well as a Mode The Mode setting defines how you plan to use this gas during the dive Available modes are Dive Deco Backup Off Setting a gas to Off means that you do not plan to use this gas at all during your current dive but it gives you the option to easily turn it On in the future The other gas modes are described below together with few other labels XEO uses with respect to gases Best Gas your XEO uses a Best Gas concept to determine the gas you ought to be breathing at a specific depth both during Dive Planning and during Auto Switching while diving To determine the Best Gas your XEO first reviews all the Dive and Deco gases you have set up for this dive with the exception of any Lost gases Then it chooses a subset of gases that are breathable at this depth based on your min max PO2 END settings Finally 1t chooses one that has the highest content of oxygen among those gases that is your Best Gas Default Gas the gas you set as Default is the gas your XEO will assume you are breathing the moment you begin the dive You can later switch to other gases during your dive Default Gas Rules Only one gas can be configured as the Default Gas There always has to be a Default Gas The Default Gas will always be a
84. played as a single number without decimal places It 1s displayed either in meters or in feet depending on your Units setting refer to the Units section of the manual for details Y our maximum depth will reset 1f you surface for more than the Minimum Surface Interval Decompression Information Zone The horizontal section in the middle of the screen is reserved for your decompression information Each number in this section has an short name or label right above it Here is a list of available data _ 2 1 OC Dive With No Deco 2 CCR Dive With Deco 3 OC Dive With Deco TTS Time To Surface is total time it should take you to get to the surface if you were to precisely follow your XEO s ascent schedule including all the stops and recommended gas switches It is printed in minutes and rounded up to the nearest minute NDL No Decompression Limit is the maximum time you can still stay at your current depth before the XEO ascent schedule will include decompression stops It is displayed in minutes and rounded down to the nearest minute STOP FOR Shown together see Picture 2 this pair describes the deepest decompression stop on your XEO s ascent schedule Below STOP there is depth of this stop in meters or feet depending on your Units settings and below FOR is its duration in minutes rounded up to the nearest minute If you are shallower than this stop depth below STOP will be blinking to re
85. ple battery types High capacity disposable ER17335M battery blue wrap cl Rechargeable LFP123A K2 battery white wrap with green text EZ Enarqyi za DISCONTINUED April 2013 rechargeable ICR16340 battery green wrap DISCONTINUED April 2013 rechargeable LiFeP04 3 2V battery silver wrapper with green text Tenergy You can order a Rechargeable Kit for your XEO 2 rechargeable batteries a charger and an AC Adapter with international plugs This is an environmentally friendly solution that will save you from throwing out many disposable batteries However we suggest always having Blue batteries on hand in case you can t access power to recharge the rechargeable ones Liquivison Products Inc 17 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual Your XEO is also compatible with the standard capacity ER14335M battery white wrap with blue text though this is not recommended as it has lower capacity and it is physically smaller so it rattles a bit when inserted into the XEO battery holder O ER14335 M Jo E Lithium Battery Note For more information on battery types please refer to Important Information About XEO Batteries 20 Back in the Preferences menu tap Down four times to reach Exit and tap Left to select it 21 Back in the Main menu tap Down four times to reach Exit and tap Left to select it 22 You will now be back in the mai
86. quickly switch into them in an emergency Custom Gas you can configure a Custom Gas during your dive via the Change Gas underwater menu It can take a lot of time to configure a Custom Gas underwater so we urge you to avoid it as much as possible by pre configuring any gases you may want to use on the surface before your dive A Custom Gas will be used in ascent schedule calculation only after you switch into it and only until your ascent schedule reaches a depth where it can switch to some other Dive or Deco gas You can alter this by marking some of Dive or Deco Gases as Lost see below Lost Gas you can mark any of your Dive or Deco gases as Lost by entering the EMERGENCY gt Lost Gas underwater submenu This gas will then no longer be suggested as a Best Gas and will not be used in calculating your ascent schedule You should use this option when you actually lose a specified gas and do not expect to be able to use it on your ascent You can still access this gas by choosing Show All in the Change Gas underwater menu Decompression planning Your XEO runs the well documented and Biihlmann ZH L16C algorithm with optional Bias Factors available as a method of adding additional conservatism It consists of three parts e Actual decompression planning these calculations run continuously including while you dive stay at the surface put your XEO to sleep and so on and their purpose is to track your current
87. r green for example 1t only needs to light up one pixel the green one To display any other colors the screen must light up a combination of pixels To display white 1t must light up three pixels full force Therefore the most economical display colors would be red green and blue The least economical display color is white The standard Liquivision display color scheme is designed to balance readability with economical battery use Detailed Rules For Optimizing Battery Life 1 Brightness Brightness has the biggest effect on battery life As a general rule HIGH brightness gives you HALF the battery life compared to MEDIUM brightness Similarly MEDIUM gives you HALF the battery life of LOW This means that LOW brightness gives you FOUR TIMES more battery life than HIGH brightness The best way to optimize battery life is the Auto Dim feature 2 Colors Colors have a dramatic impact as well Primary colors pure green pure red dark blue consume the least battery power Compound colors such as yellow orange and gray burn more battery power Compound colors those that require all three colors such as light blue and light gray burn the most battery power You should use compound colors with caution 3 Refresh rate The refresh rate changes how fast information is updated on the screen It has two settings Normal and Fast If you can use Normal and you don t notice anything that is the best choice If you use Normal and y
88. ram Click Run e The file will download and launch Liquivison Products Inc 75 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual The drivers will be installed You will briefly see a black window pop up and then disappear If you do NOT see the black command window pop up for several seconds then please repeat the process Once the black command window has appeared and finished disappeared then plug in the XEO PC interface into your desktop computer Plug the USB cable into the XEO PC interface box and then plug the other end of the USB cable into your PC The Found New Hardware wizard will launch Click Do not connect to the Internet and continue the prompts At the end Windows should inform you that your New Hardware is Ready to Use PC Drivers Firefox Click to download the driver install package http hiquivision com downloads EnlightenedDriversSetup exe You will be asked 1f you want to save the file Click Save File The downloads window will pop up 1f 1t does not go to Tools gt Downloads The top item in the downloads window will be EnlightenedDriversSetup exe Double click on it You will be asked Are you sure you want to launch EnlightenedDriversSetup exe Click OK The drivers will be installed You will briefly see a black window pop up and then disappear If you do NOT see the black command window pop up for several seconds then please double click on EnlightenedDrive
89. reasons Please keep in mind however that you should not put them too far apart You can create up to 5 Last Deco Stops By tapping into each one you can Copy Edit or Delete it The Copy and Add options are only available 1f there are fewer than 5 Last Deco Stops 4 7 Your Saturation This menu item displays a screen with your current saturation Your Saturation screen after a period of no diving Your Saturation screen after a deep dive e Your current CNS Central Nervous System oxygen saturation refer to Oxygen loading section e OTU Oxygen Toxicity Units left for today refer to Oxygen loading section e Time to full desaturation from inert gases O Y our theoretical allowed pressure and the altitude to which 1t corresponds 4 8 Simulate Dive This item is here so you can experiment with ascent schedule calculations gas switches emergency modes etc without getting yourself or your XEO wet When you enter Simulation 1t will open sub menu asking you for depth and time of the dive its speed whether it s normal 1x or faster 2x 4x etc up to 16x faster than normal and then you can select Start Liquivison Products Inc 28 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual A couple of things to note about the XEO simulator e The simulator follows descent and ascent rate limits e It takes a moment to turn on since the simulation starts at Om Oft but the XEO
90. red breathable You can set it to any value between 1 0 2 0 bar in 0 05 increments 4 6 3 PO2 deco Here you configure the maximum PO2 for your Deco Gas This will define how deep your Deco Gas will still be considered breathable You can set 1t to any value between 1 0 2 0 bar in 0 05 increments 4 6 4 Min PO2 Here you configure the minimum PO2 for any of your gases This will define how shallow your gases will still be considered breathable You can set it to any value between 0 1 0 21 in 0 01 increments 4 6 5 Max END Here you configure the maximum END Equivalent Narcotic Depth for any of your gases This will define how deep your gases will still be considered breathable Your XEO assumes that oxygen is also narcotic therefore the END for nitrox mixes will be the same as the END of air Only helium can reduce the END of a gas Liquivison Products Inc 27 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 4 6 6 Last deco stops In this submenu you can define a set of Last Deco Stops As a default XEO will compute deco schedule so that the last deco stop 1s 3m 10ft then 6m 20ft 9m 30ft etc Here you can configure your own set of last decompression stops if you want them to be different from the default One very popular example is to set the last decompression stop at 6m 20ft so that you won t be affected as much by wave action You may wish to configure them in yet another way for your own
91. rmation Once you turn Dark Mode On depending on the color scheme you selected on the surface your screen will either go blank or will show all data in dim red or dim green To exit Dark Mode tap the unit three or five times This will take you into the underwater menu that will allow you to turn Dark Mode Off 8 Display You can adjust a limited set of display features underwater 3 1 Brightness The Brightness setting has three levels low medium and high The darker the water the lower brightness you need to see your display clearly Also you might find high brightness in the dark water too bright that is it could be too much light compared to environment you re diving in On the other hand in clear shallow water with lots of sunlight you will need high brightness to see the display properly Keep in mind that higher brightness burns more battery so you should select the lowest brightness that meets your needs on a given dive 8 2 Auto Dim This underwater option turns on or off the Auto Dim feature you have pre selected during your surface dive preparation please refer to the Display Settings Auto Dim section of the manual for more information You can use the Auto Dim feature to fine tune the brightness of your display If you need high brightness on the surface and lower brightness at depth you do not need to adjust 1t manually Instead you can set your Auto Dim setting to t
92. roducts Inc 7 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual CE The Liquivision XEO conforms to the requirements of EN 13319 including EN 61000 and has thus obtained CE certification INTRODUCTION XEO FEATURES Welcome and thank you for choosing the Liquivision XEO dive computer The XEO is the most affordable color OLED dive computer designed for air nitrox and trimix divers of all levels It brings you an exciting set of features focused specifically on your needs Hardware Features e Color OLED Organic Light Emitting Display with Display face angled towards the diver Large fonts User customizable display colors e Liquivision s patent pending intuitive tap based user interface e Liquivision s patent pending ceramic pressure sensor technology e User changeable lithium battery both disposable and rechargeable options available e Maximum depth 200m 656 ft e Accuracy exceeds the limits of EN13319 2000 Operational from sea level to 8 840m 29 000ft e The XEO will function when its internal temperature is between 0 to 40 C 32 to 104 F If the XEO s internal temperature exceeds 40 C 104 F in direct sunlight for example the OLED display could show some visual disturbances This is not a product failure the display will return to normal when the unit is cooled down Software Features e Air nitrox and trimix capability allowing up to 10 gas mixes e CCR feature allo
93. rsSetup exe for a second time in the downloads window On some computers anti virus software will clear the download window automatically If that is the case on your computer you will need to browse to your personal downloads folder and launch EnlightenedDriversSetup exe from there directly Once the black command window has appeared and finished disappeared then plug in the XEO PC interface into your desktop computer Plug the USB cable into the XEO PC interface box and then plug the other end of the USB cable into your PC The Found New Hardware wizard will launch Click Do not connect to the Internet and continue the prompts At the end Windows should inform you that your New Hardware is Ready to Use PC Drivers Google Chrome Click to download the driver install package http liquivision com downloads EnlightenedDriversSetup exe When the download is finished a tab will appear in the far lower left corner of Chrome Left click on the EnlightenedDriversSetup exe tab that appears in the far lower left corner of Chrome You will be prompted to run the program click Run The drivers will be installed You will see a black command window pop up and then disappear If you do not see the black command window please click on the EnlightenedDriversSetup exe tab on the lower left of the screen for a second time Once the black command window has appeared and finished disappeared then plug in the XEO PC interface into
94. shrink and move and the stopwatch will take 1ts place Screen Layout STANDARD Stopwatch OFF Stopwatch ON During your dive you can e Turn the stopwatch on and off that is display it on your screen or remove it e Start and pause the stopwatch e Reset the stopwatch Please refer to the Stopwatch section of the manual for details The stopwatch format will match the dive time format you have previously selected either total minutes elapsed or hours minutes elapsed Please refer to the Show Hours section of the manual for details However the seconds value in the stopwatch is always displayed as a number in a smaller font It is never displayed graphically regardless of the setting you have selected for dive time seconds display Maximum Depth The label MAX refers to the maximum depth you have reached over your entire dive It is displayed as a single number without decimal places It is displayed either in meters or in feet depending on your Units setting refer to the Units section of the manual for details Your maximum depth will reset if you surface for more than 5 minutes Liquivison Products Inc 57 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Average Depth The label AVG refers to the average depth you have reached over your entire dive The average depth count starts at the beginning of the dive You can reset your average depth once you reach the bottom
95. stantially 1f you increase the Log Period For example with the Log Period set to 60 seconds 60s your XEO would be capable of remembering 3600 hours of dive time 7 3 Tap Sensitivity You can set Tap Sensitivity to Low or High This allows you to adjust how softly or firmly you must tap your XEO for it to react High sensitivity means it will be very sensitive and react to light taps Low sensitivity means it will be less sensitive and react to stronger taps only Some divers like to set their Tap Sensitivity to Low when in caves or wrecks to prevent accidental bumps on the surrounding rock or wreck to launch their unit into menu mode 7 4 Tap Count You can set this either to 3 or to 5 By choosing either of these you set the number of taps that will wake up your XEO from Sleep Mode and the number of taps that will take you to the menus The default setting is 3 Some divers find that the XEO can wake up at random due to a bumpy ride to a dive site or due to accidental impacts during a dive in a closed environment for example In those cases we recommend changing the setting to 5 7 5 Minimum Dive This allows you to control the minimum dive time required for the dive to be classified as an actual dive For example if you set it to 1 minute then any dive shorter than that will not be logged You can control this number in increments of 10 seconds Minimum value is 0 maximum 600 seconds Liquivison Produc
96. sumption Dive Time The large yellow number in the upper right hand corner of your display 1s the Dive Time Dive Time Dive time 1s measured in seconds starting from the moment your XEO reaches 1 6 meters 5 25 feet It will stop once you surface and it will reset once you have been on the surface for more than the Minimum Surface Interval Dive time can be displayed in several ways The minutes of your dive can be displayed as follows e minutes seconds e g 135 00 e hours minutes seconds e g 2 15 00 Please refer to the Show Hours section of the manual for details The seconds of your dive can be displayed as follows e asa number e g 135 00 e a graphical indication of the seconds elapsed a bar display filling up to a full minute Please refer to the Analog Clock section of the manual for details Liquivison Products Inc 49 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Depth The green number in the lower right hand corner of the display is Max Depth your Current Depth If you chose metric units you will see the depth in meters with one decimal place in smaller font If you chose imperial units you will see the depth in feet with no decimal places Depth E Please refer to the Units section of the manual for details on choosing units Maximum Depth The label MAX refers to the maximum depth you have reached over your entire dive It is dis
97. thable Auto Switch will switch you to that gas If you decide NOT to switch to your first Deco Gas at the XEO calculated switch depth and your Auto Switch is on you will have to wait until XEO switches automatically to the Deco Gas before you can switch back manually to your Dive Gas thus activating Manual Override Once you are ready to switch to your Deco Gas you will have to do so manually As soon as you do so Manual Override will turn off again since you will have selected gas that 1s considered the Best Gas at that moment Settings related to CCR Dives When diving CCR there is a larger set of settings to configure First you must set values for your Low and High setpoints You can set them to any value between 0 3 1 0 and 0 5 2 0 respectively in 0 1 increments The Low setpoint must be less than the High setpoint You can use these pre configured Low and High setpoints to quickly change setpoints underwater this way you don t have to create a new setpoint while underwater These pre configured setpoints will be used to calculate your ascent schedules There are two more values related to these setpoints that you will need to configure On Descent and On Ascent On Descent allows you to configure at what depth you want to switch from the Low setpoint to the High setpoint during your descent On Ascent allows you to configure at what depth you want to switch from the High setpoint to
98. than 0 6 meters 2 feet your XEO will go back into surface mode and offer you access to surface menus However for next few minutes it will remain in post dive mode You can control length of this period in menu setting Minimum Surface Interval This means that if you resume your dive within that period it will be counted as continuation of previous dive instead of a new one This also means that all the numbers such as maximum depth average depth dive time etc will not be reset After that if you decide to dive again it will be counted as a new dive Liquivison Products Inc 53 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Last dive information When on the surface and not in Sleep Mode your XEO will display information about the last dive that you have done Surface interval it is time elapsed since your last dive If it is less than 24 hours you will see the number of hours and minutes If it is more than 24 hours you will see number of days and hours If it is more than 10 days ago you will not see any surface interval Last depth 1s the maximum depth of your last dive with one decimal place Depending on your unit settings it will be either in meters or in feet and you will see m or ft printed after the number Last time is the total time of the last dive displayed according to your dive time settings either as total number of minutes or as hours minutes
99. the Low setpoint during your ascent Liquivison Products Inc 44 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual If you follow a different schedule e g you spend all your bottom phase on the Low setpoint you should turn Auto Switch Off Even when you turn your Auto Switch Off you should make sure to configure your On Descent and On Ascent depths Here is how they will affect ascent schedule e When the ascent schedule calculation starts it considers your current setpoint whatever it is e If your depth is at least the On Descent or deeper the setpoint used to calculate your schedule will be High This means that if you are using the Low setpoint during your bottom phase your XEO assumes that after you start your ascent you will manually switch to High e When your depth on the schedule becomes equal or less than the On Ascent value the setpoint on your schedule will be changed to Low If you choose your Auto Switch to be On it will switch your setpoint to e High if your current setpoint is Low but not any custom setpoint and the depth you are at is more than or equal to the On Descent depth e Low your current setpoint is High again not any custom setpoint and the depth you are at is less than or equal to the On Ascent depth Gas settings In the Gases submenu you can configure up to 10 different gases to be used during y
100. the casing plastic and damage it This can prevent a good O ring seal in the future 14 Inspect the new O ring for dust or defects d DO NOT use a dusty O ring If the new O ring 1s not clean wash 1t with clear water and let it air dry Liquivision Products Inc 73 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual 15 Lubricate the new O ring Use silicone O ring lubricant Apply a tiny amount to a dry O ring it will not absorb properly 1f the O ring 1s wet Roll the O ring between your fingers to spread the lubricant Remove any excess lubricant with your fingers 16 Ease O ring onto battery cap Starting at one side gently ease O ring over the battery cap 17 Check again for any dust or debris Remove any debris If there 1s something really stuck to the O ring better remove it clean it and start again 18 Also check the casing for dust or debris 19 Screw in the battery cap 1 Place the cap lightly in the opening 2 First Turn counterclockwise until it clicks this will help align the threads 3 Then turn clockwise to tighten the cap If something feels wrong stop and start again d DO NOT force the cap your could damage the threads Liquivison Products Inc 74 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Screw the battery cap on the compartment using your fingers NEVER overtighten the battery cap User yo
101. the display will return to normal when the unit is cooled down Liquivison Products Inc 52 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Battery Indicator The battery status is represented graphically with a battery icon or with a battery voltage value e The battery icon is solid green when the battery voltage is o more than 3 30V for disposable Lithium battery o more than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid yellow when there 1s o less than 3 30V for disposable Lithium battery d o less than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid red when there is o less than 3 10V for disposable Lithium battery o less than 3 40V for rechargeable Lithium Ion battery Learn more about your XEO s battery in the section Important Information About XEO Batteries Battery Savings mode In the event that your battery 1s very low during the dive your XEO will go into Battery Savings mode It is a mode that tries to preserve the battery as much as possible so that the XEO keeps functioning as long as possible This mode changes the following things e all the information on the display will turn green the color that is most power economical e the display brightness will be set to low For more details please refer to Battery Savings Mode When Your Battery Voltage Drops Below A Critical Level Exiting the water Once you are shallower
102. the unit in the Down direction three five times Otherwise 1t will turn on automatically few seconds after you take 1t deeper than 1 6 meters 5 25 feet Beginning Y our Dive When you start to descend and go below 1 6 meters 5 25 feet your XEO will turn into dive mode Diving Dive Display You have four different underwater display layouts to choose from Standard Simple Alternate and Large The display layouts menu can be accessed both in surface mode and in dive mode Liquivison Products Inc 55 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual For more information please refer to the Surface Menus Display Settings Layout and Underwater Menus Display Layout sections of the manual In addition you can customize the color of each piece of information on your display This can only be done on the surface Please refer to the Display Settings Colors section of the manual STANDARD Stopwatch Dive Time Time of Day Depth Battery Indicator Temperature SIMPLE Depth Stopwatch Dive Time ALTERNATE Stopwatch Temperature Dive Time RAGE Stopwatch Dive Time Time of Day Depth Battery Indicator Temperature Dive Time One of large numbers on your display is the dive time its location depends on the display setting you have chosen Please refer to the screenshots above to locate the time value for each display setting Dive time 1s measured in s
103. till suffer decompression sickness Following a decompression plan does not in any way guarantee the avoidance of decompression sickness The same profile that gets you out of the water safely one day may cause decompression sickness another day and lead to temporary or permanent injury or death You can die while diving WARNING ELECTRONICS CAN FAIL ALWAYS CARRY BACKUP The KAON dive computer hardware will eventually fail like any electronic equipment whose components mature and age If it fails during your dive it can stop providing you with critical information You must have a plan to handle a failure of the KAON dive computer You should carry backup instruments including a depth gauge digital bottom timer or dive watch and have access to decompression tables Do not risk your life on only one source of information WARNING CONDUCT PRE DIVE CHECKS It is your responsibility to perform all pre dive checks recommended in this manual including checking for software updates and checking battery voltage to ensure the XEO dive computer has enough battery life to complete your planned dive WARNING ALWAYS CHECK FOR SOFTWARE UPDATES The XEO dive computer software likely still has bugs We have looked for them and tried to eliminate them but they can still appear during use Bugs can cause the units to provide inaccurate or incomplete information or cause the unit to reset or turn off and stop providing any information at all
104. to the Exit item on the menu but DO NOT SELECT IT The time of day will not be set in your XEO until you select Exit with a left or right tap Watch the website time At the moment that it hits the next minute i e 11 46 00PM then tap your XEO with a left or right tap to select Exit Return to the Ready to Dive screen and observe the time of day in the lower left corner of your XEO and compare it to the time of day on the website When the time crosses the next minute on the website make sure your XEO crosses that minute virtually simultaneously If they are not synchronized to within 1 second then go back to step 2d and repeat steps 2d h until your XEO 1s exactly synchronized with the time provided by the website 3 After 48 hours have passed compare your XEO s time to the website once again a b c d On your PC or MAC go on the internet and visit http www wwp greenwichmeantime com select your time zone and make sure that the website is showing the correct time of day On your XEO enter the Ready to Dive screen and note the time of day in the lower left Focus on the time displayed on your XEO When the minute flips immediately observe the website time and record it For example your XEO flips to 11 24pm and at that exact moment the website time shows 11 26 18pm In this example your XEO is slow by 2 minutes 18 seconds over 48 hours We need the error over 24 hours so we divide by
105. ts Inc 34 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual 7 6 Minimum Surface Interval This allows you to control the minimum time of surface interval before next dive 1s classified as new dive If you stay on the surface for shorter time than the specified interval your next descent will still be considered a part of the previous dive and both descents will be logged as one dive You can control this value in increments of 1 minute Minimum value is 0 maximum 30 minutes 7 7 Status If you tap into this menu setting you will see basic information concerning your device such as type hardware version software version etc 7 8 Battery Type The type or capacity of the battery is needed to accurately estimate the remaining dive time There are three battery types available e White ER14335M Disposable Lithium Battery e Blue ER17335M High Capacity Disposable Lithium Battery e White with green text LFP 123A Rechargeable Lithium Iron Phosphate Battery You can find more information about the different battery types in the section on Important Information About XEO Batteries 7 9 Battery Meter This menu item allows you to select battery meter style either in battery symbol graphic or in battery voltage value The default setting is Symbol Battery Meter Symbol Battery Meter Voltage 7 10 Battery Test This menu item runs the battery test for the selected battery type and displays the
106. two yielding 1 minute 9 seconds slow per day 4 Finally enter the correct time calibration into your XEO Go to the Calibrate Time menu Enter the correction 1m09s by tapping UPWARDS to speed your XEO clock up You can also slow your XEO down by tapping DOWNWARDs and setting a negative correction e g 1m09s 10 Connect to PC Tap into this menu item before starting the download of your dive logs in your PC application of choice Refer to its manual for more information If you tap into this item accidentally don t worry the wait for PC communication will time out after 30 seconds and you will be back to main menu For more information on connecting to your PC downloading your dives or uploading new software onto your XEO please refer to the XEO PC Interface section of the manual Liquivison Products Inc 37 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual UNDERWATER MENUS Main Underwater Menu When in OC or Bailout Mode When in CCR Mode When in Gauge Mode 1 EMERGENCY 1 EMERGENCY 1 1 Bailout Undo Bailout 1 2 GFs Off Undo GFs Off 1 2 GEFs Off Undo GFs Off 1 3 Lost Gas Silence Alarms 2 Silence Alarms Silence Alarms when Alarms are on amp triggered when Alarms are on amp triggered when Alarms are on amp triggered 3 Change Setpoint Change Gas 5 Stopwatch Reset AVG Dark Mode On Off only if Dark Mode is activated in the Surface Menus Disp
107. ur Free OC Software Activation PIN Setting Up GEFs Time Date Battery Type At this time your XEO will unlock its OC diving features Liquivision requires you to register for two reasons a To Mark the Start of Your Warranty Period the date and time of your registration will be considered the start of your limited warranty period b To Collect Contact Information For Critical Customer Communications the contact information you provide will be used to contact customers in the event of a critical software upgrade hardware upgrade or recall If you purchase a second hand XEO unit you must email Liquivision at info liquivision ca and provide the following information XEO serial number Date purchased Who you purchased your unit from Your address email and phone number The sentence I agree and accept the XEO User Agreement and Warranty This is required to transfer the balance of the Warranty from the previous owner to yourself Setup Gradient Factors Time Date amp Battery Type Once you have registered and unlocked your XEO unit the main screen will still say NOT Ready To Dive Edit Your GFs Time Date amp Battery Type Liquivision asks you to review the Gradient Factor settings as it has a critical impact on your decompression profile The default setting is 100 100 and is equivalent to classic Biuhlmann ZH L16C algorithm You may change these values to add conservatism according to you personal pr
108. ur fingers NEVER use a coin XEO PC INTERFACE The XEO PC Interface can be used to download your dives and to update your XEO software This requires a few different steps which vary slightly depending on whether you are a PC or a Mac OS X user 1 PC Users Install Drivers onto your PC so your PC knows how to talk to the PC interface 2 All Users Install the Liquivision Dive Logger onto your PC so your PC knows how to interpret the dive log data emitted by the XEO 3 All Users Install the Liquivision Firmware Updater onto your PC so your PC knows how to transmit a Firmware Update to your XEO 4 All Users Install Liquivision Firmware Updates onto your XEO We will walk you through all these steps in some detail with links to all the relevant downloads If You Are a PC User You First Need To Install Drivers Onto Your PC Before you can download dive logs or upgrade your XEO firmware you need to download and install the appropriate drivers for your PC or Mac The drivers are made by FTDI If you are technically minded and want more information on them you can visit www ftdichip com Make sure that your XEO PC interface is NOT plugged in to your desktop computer If it is plugged in then please UNPLUG it before proceeding PC Drivers Internet Explorer e Click to download the driver install package http liquivision com downloads EnlightenedDriversSetup exe e You will be asked if you want to Run or Save the prog
109. w this imaginary line parallel to screen LEFT TAP Aim for the center do of the unit RIGHT TAP Aim for the center of the unit Plane for Left and Qee Right Tapping Y our Left and Right taps should ES rs e follow this imaginary line parallel to screen UP TAP Aim for the center amp center left of the unit Please refer to the short video on tapping provided here www liquivision com videos php For your first XEO interactions hold your XEO in one hand and use the other hand to tap it Once you are familiar with the tapping technique you will find it easy to tap your XEO when it is on your wrist General Tapping Menu Guidelines 1 tap Down three five times to turn the unit on or to enter into menu mode 2 tap Down or Up to scroll through menu items 3 tap Left or Right to enter a menu item Everywhere in this manual you will find references to tapping three five 3 5 times to turn the unit on or to enter menu mode The default setting is three times but you can adjust it to five times if you are concerned about accidental taps causing you to enter menu mode Preferences gt Tap Count Before you can complete a menu action that can cause loss of information you will be taken to another screen asking you Are you sure The default answer is No To confirm you will need to scroll down and choose Yes Liquivison Products Inc
110. will see the following list of options Set up your preferred time format 12h 24h the time of day the date and the year Once you are satisfied with the Time Date setup tap Down to Exit and tap Left to select it you will be taken back to the main menu 17 Once in the main menu tap Up twice to reach Preferences and tap Left to select 18 You will now be in the Preferences menu Tap Down seven times until you reach Battery Type then tap Left to select 19 You will see a list of battery types The default is White ER14335M as this is battery type the first XEOs shipped with serial numbers O to 1250 If this is the battery you are using Tap Left to confirm this selection User Manual Liquivison Products Inc 16 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual If you have a more recent XEO your unit shipped with a disposable Blue ER17335M battery and you should Tap Down then Tap Left to select it If you are using rechargeable batteries Green ICR16340 battery Tap Down twice then Tap Left to select LFP123A battery Tap Down three times then Tap Left to select LiFeP04 battery Tap Down four times then Tap Left to select Once you Tap Left to select you will be automatically taken back to the Preferences menu A quick word on battery types Your XEO is equipped with white battery holders designed for multi
111. ws accurate decompression for rebreather divers based on fixed PO2 setpoints e Gauge Mode including stopwatch and resettable average depth e Biihlmann ZH L16C with optional Gradient Factors e Visual alarms e Built in dive planner e Built in dive simulator e Lifetime dive log memory 3500 hrs e Imperial Metric settings e Windows and Mac downloadable PC interface hardware sold separately Liquivison Products Inc 8 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual GETTING STARTED BEFORE DIVING Register Your Unit Activate Your OC Software Free Your XEO comes pre loaded with Open Circuit dive software B hlmann ZH L16C algorithm with optional Gradient Factors You will be able to interact with your unit on the surface and run dive simulations immediately However the software will not run underwater until you register your unit obtain a free XEO Unlock PIN code and enter this code into your XEO to activate the Open Circuit part of the software To register your unit you must visit http www liquivision com activate php During registration you will be asked to enter your XEO serial number your real name address phone number and a valid email address You will also be asked to agree and accept the User Agreement and Warranty Liquivision will then issue you a free XEO Unlock PIN code that you will be able to enter into your XEO unit detailed instructions are available here E g Entering Yo
112. xygen NxXX for nitrox e g Nx50 for nitrox with 50 oxygen XX XX for trimix e g 20 30 for trimix with 20 oxygen and 30 helium or Air for air that is gas with 21 oxygen and no helium You can switch your current gas in Change Gas menu section When you are diving CCR with bailout mode off below the type of dive CCR you will have your current setpoint displayed with one decimal place You can switch your current setpoint in Change Setpoint menu section Gas Alarms Gas alarms will be displayed in the same place as your gas or setpoint If you are diving OC or CCR in Bailout Mode then Your Best Gas is the gas with the highest content of oxygen among gases that are breathable at your pressure taking into account your min max PO2 END settings If there is such a gas 1 e there is at least one gas in your gas list that is breathable and you are breathing different gas then Switch Alarm is triggered It is displayed as a Blinking Gas Label Liquivison Products Inc 51 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Furthermore you can experience following alarms e PO2 is triggered if the gas you are breathing at your current pressure has either lower PO2 than your Min PO2 or higher PO2 than o PO2 dive if this gas is configured as Dive Gas o PO2 deco if this gas is configured as Deco Gas o Both PO2 dive and PO2 deco if this gas is
113. you can check your battery power before you dive It is very important to make sure that you have enough battery power left to complete your planned dive The battery status is represented graphically with a battery icon e The battery icon is solid green when the battery voltage 1s o more than 3 30V for disposable Lithium battery o more than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid yellow when there 1s o less than 3 30V for disposable Lithium battery o less than 3 50V for rechargeable Lithium Ion battery e The battery icon is solid red when there is o less than 3 10V for disposable Lithium battery o less than 3 40V for rechargeable Lithium Ion battery Liquivison Products Inc 19 Revision 3 2 Software 2 58 LIQUIVISION X O Dive Computer User Manual Optimizing Battery Life The battery life 1s significantly affected by the brightness setting of your display and the display colors you select Learn more about optimizing your XEO s battery in the section Important Information About XEO Batteries SURFACE MENUS Main Menu 1 Shut Off 2 Enter PIN only if you haven t entered it yet 3 LOCK UNLOCK only if the device have been unlocked 4 Dive Planning 4 1 Mode Deco Gauge If you select Deco mode If you select Gauge mode 4 2 Dive Setup 4 3 Gases 4 4 Runtime E 4 5 Alarms 4 5 Alarms 4 5 1 Alarms On Off 4 5 1 Alarms On Off 4 5 2 Depth 4 5 2 Depth 4 5 3 Time 4 5 3
114. your desktop computer Plug the USB cable into the XEO PC interface box and then plug the other end of the USB cable into your PC The Found New Hardware wizard will launch Click Do not connect to the Internet and continue the prompts At the end Windows should inform you that your New Hardware is Ready to Use Liquivison Products Inc 76 Revision 3 2 Software 2 58 LIQUIVISION XEO Dive Computer User Manual Advanced Users If you are an advanced PC user and would like more information click here http www ftdichip com Drivers D2XX htm to visit the FTDI s website and select your OS and install the latest version of the D2XX drivers manually If You Are a Mac OS X User Please Proceed With The Next Step There is no need to install the driver on your Mac OS X Computer The drivers will automatically be installed when installing the Dive Logger or the Firmware Updater Then You Can Install the Liquivision Dive Logger Onto Your Computer The Liquivision Dive Logger program allows you to download your dive logs from your XEO In order to use it you must have the XEO PC interface device and if you are a PC user the FTDI drivers must be installed on your computer as described above PC Dive Logger Internet Explorer e Goto the Enlightened Series Software Downloads page to download the latest Liquivision Dive Logger installation package http liquivision com downloads ES_SoftwareDownloads php Scroll to the bottom and click on the

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