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CO8000 NiTek Q Computer User Manual www.DiveRite.com

1. DIVE RITE Equipment for Serious Divers CO8000 NiTek Q Computer User Manual www DiveRite com CO8000 NiTek Q Computer User Manual_Nov 14 2011 be IMPORTANT WARNINGS A A A A A A A A A A DIVE RITE Read this manual carefully before diving with the NiTek Q It is imperative that you fully understand the functions and displays of the computer and that you are proficient in their use prior to diving The NiTek Q is an electronic device and electronic devices can fail NEVER dive this computer without a back up device or dive tables Before using your NiTek Q it is extremely important that you read and understand each warning as well as warn ings and cautions that appear throughout the manual Failure to do so could result in damage to or loss of equip ment serious personal injury or death Before diving you should have the proper training from a qualified instructor and obtain certification from a rec ognized training agency Use of the NiTek Q in conjunction with Enriched Air Nitrox EANx requires that Q divers also be trained and certified for Nitrox diving If you purchase the Trimix upgrade for your NiTek Q you should have the proper training from a qualified instruc tor and obtain certification from a recognized training agency in these specialties If you purchase the CCR upgrade for your NiTek Q you should have the proper training from a qualified instructor and obtain certification fro
2. o r r wrwrarar rd r gg 6 How to Check The Charge STATUS sccsctincesdeccasisisesvsciectessexsusientasseuvtscustecassreaestsiinineieestbvdesbesteulaieinttesisin 6 hal o no Tour Bano kuc sm esilen N AA iw ewe berane baas en q aqas ewe ke eks k ne ke N ats 6 Using The NITEK Oreeson iirin a ONE _r e 6 Button Operation and Navigation e ssesssessesssesseeseessesseesseosseoseossesseesecoseeseeoseesseoseossesseesseoseesseoseesseose 6 OG E E T EE EA NT TA A TA T VETS E TEA 6 TGS VOCUS AE A A AN E E E EAE E PA A AAE E verteee cata entiat 7 Date and TIME acca crac cecasccxesncnsest eases R E e rrr AR 7 NEA CE LE e PAAA EASTA A A TE e e E E A A E S xoxoxnoj 8 Div Option SET MOO yy MN Me N N J e E E 8 SETE T nana ee enn ner EE ee near d awae akan bi al Maa beda cuwa NARA Had cer w ne dera k G 8 Maximum Operating Depth O heyne eeeeeeeeeeeeereeenenee e KE HHR KHK AHHK KHK KHHK HHHH AKAR 8 Programming Gas V XES l senisescexescasessasessesnsexedecacusesntnentantesnenrtveasascoreresnsvserccntennisvneanaronsenscastnetonasivaneues 8 SET CIB MO atc sacs E Ata dad ci ke w a n d d l n hae kuh ua ewk d n el KARA ZA S2 wed at ded KRA G 9 Setting the Maximum Depth Alarm essessssssssssssssssssssssssssssssssssssssssssssssessesssssssseeseeeeeeees 9 Setting the Maximum Time Alar cccssscssscsesssscssssssssescsssessssessscssesecsessseesesesesssee
3. 2011 represents the year Time This is the time of day expressed in hours minutes and seconds Time can also be displayed in a 24 hour clock military time The 10 represents elapsing seconds 19 represents minutes after the hour and 06 represents the hour of the day Setting the Date and Time Setting the date and time are done in the TIME mode You can enter or change each element in this mode From the SURFACE mode scroll through the menus to the TIME mode screen pressing the A button The seconds will be flashing Press the B button to enter the TIME mode Press the B button to reset the seconds to 00 Press the A button to scroll to minutes Press the B button to set the accurate time Press the A button to lock in your time To exit press and hold the A button for 2 3 seconds to return to the Sur face mode oe ee L J Continue setting the hours year day and month using the A and B buttons as directed above To change to 24 hour Military time press the B button when PM is flashing CO8000 NiTek Q www DiveRite com N MENUS DIVE RITE Menus Dive Option SET and Display Mode The dive option SET and display mode is where all dive settings are programmed including your P02 alarm for each gas 02 the maximum safe operating depth MOD an optional maximum depth alarm a maximum dive time alarm conser vatism gradient factor options a sampling rate for the log book the F
4. Because the NiTek Q has the ability to use two or more if upgraded different gas mixes during a dive you need the abil ity to switch between these mix settings while underwater When you switch mix settings the P02 adjusts to reflect the current mixture you are breathing A The NiTek Q starts the dive on the last gas mix used or viewed in the SET mode not on MIX 1 Be sure to check and set your mix number before your dive A Only switch gas mixes when you have reached the safe operating depth limit for the gas to which you are switching CO8000 NiTek Q www DiveRite com Su DIVE MODE gt RITE To Change Gases Underwater 1 Press the A button The mix number will flash 2 Press the B button to select a mix number The 02 percentage will change to the programmed mix and the P02 indicator will change to reflect the P02 set for the selected mix NOTE Only the mix numbers that have been programmed with a gas mixture are available 3 Press the A button to lock in the mixture and return to the primary diving mode NOTE You cannot lock in a mix if it causes you to exceed a P02 of 1 4 or 1 6 atmospheres depending on which P02 you selected in the SET mode TRIMIN SURFACE Mode Upon Surfacing From a Dive PM Once you surface from a dive the NiTek Q automatically switches to 0 7 1 2 0 1 e 1 9 the SURFACE mode after 1 minute However if your surface interval is less than 10 minutes the NiTek Q will contin
5. Doing so could cause you to exceed the no decompression limits or a limiting P02 of 1 4 or 1 6 atmospheres This may increase your risk of decompression sickness or central nervous system CNS oxygen toxicity and can lead to serious personal injury or death m ka ict LOG Mode The NiTek Q stores information such as depth time and gases for every dive in a log This stored information can be viewed on screen in the LOG mode The logbook stores a minimum of 15 hours depending on settings Each dive is as signed a log number and the date the dive is made making it easy for you to toggle between the dive log pages a S 1 Log Entry Number This is the sequence in which the log appears The most recent log entry has the lowest log num ber beginning with Log 1 When the computer s memory DIVE T Min is full the oldest dives are overwritten with the new dives 85 This causes the log entry number assigned to an earlier dive to change 2 Max Depth This is the maximum depth reached dur ing the dive a3 Date This is the month and day of the dive 4 Dive Time This is the actual bottom time for the dive 5 F02 Gas Percentage This is the 02 that you entered LOG Mode Screen for the dive All calculations were based on this percentage To View the Dive Log 1 Repeatedly press the A button until LOG is displayed 2 Press the B button to enter the LOG mode screen 3 Press the B button change to the log page displaying
6. If it is cold allow the computer to warm to room temperature Do not take it underwater immediately after doing so CO8000 NiTek Q www DiveRite com N WARRANTY amp ACCESSORIES gt RITE 3 If the NiTek Q does not appear to be functioning properly do not use it to dive Return it to your authorized Dive Rite dealer for repair 4 The NiTek Q should not come in contact with solvents or any type of chemical substances Do not use compressed air to dry the NiTek Q 6 Donot use the NiTek Q in hyperbaric chambers unless the device can be fully submerged in water inside the chamber during recompression Warranty Information Dive Rite will at its sole discretion repair or replace NiTek Q components proved to be damaged by faulty manufacture or material at no cost for a period of up to one year from the date of purchase This warranty applies only to the original purchaser It does not cover commercial or rental use nor does it extend to units purchased from other than an authorized Dive Rite dealer This warranty specifically excludes battery depletion or other conditions resulting from misuse negligence alteration accident or unauthorized repair To make a claim under the warranty the owner must have registered his her NiTek Q on our website at http www diverite com products service product registration All warranty repairs should be accompanied by a copy of the purchase receipt A Return Authorization RA can be o
7. cargo hold Otherwise the NiTek Q could enter dive mode while flying WARNINGS While In DIVE Mode While in Dive mode there are several visual warnings that you DIVE T Min should be alert to and heed 85 2 000 37 MAX Min NDL e Ascent Rate Warning 12 e P02 Limit Warning FRESH e OLI Oxygen Limit Index Warning e Decompression Stop Violation Warning Ascent Rate Warning Primary Underwater Screen If your ascent rate exceeds the following limits SLOW flashes on Ascent Rate Warning the screen and will continue until you slow your ascent to an accept able rate or you reach 5 feet 1 5 meters DIVE T Min Depth Range Ascent Rate 0 19 feet 0 5 9 meters 26 feet 8 meters per minute 20 58 feet 6 17 9 meters 39 feet 12 meters per minute 59 feet 18 meters or deeper 52 feet 16 meters per minute P02 Limit Warning The P02 warning indicates that you have exceeded 1 4 or 1 6 atmos Primary Underwater Screen pheres for the gas you are breathing which can lead to severe P02 Limit Warning injury or death If you exceed the P02 setting the P02 symbol and the P02 will flash Ascend to a shallower depth until the warning indicator stops flashing DIVE T Min OLI Oxygen Limit Index Warning The OLI warning accounts for the intensity and length of your ex posure to partial pressures of oxygen When seven of the OLI bars are displayed the OLI graph flashes as a warning to ascend to a shallower depth If you f
8. depth displayed is 30 feet 9 meters You can ad vance the depth in 10 foot 3 meter increments Fifteen different dive plan increments can be displayed to a maximum depth of 170 feet 51 meters 2 No decompression limit NDL The no decompression limit is dependent upon the depth displayed and the current 02 F02 setting The NDL is displayed in minutes and is found in the upper right portion of the PLAN mode screen If the NiTek Q calculates that there is residual nitrogen present from previous dives your no decompression limits will be shorter Depending on how much residual nitrogen is present there may not be a NDL time for some deeper depths If this takes place the Q will display a series of horizontal dashes Similarly if a combination of depth and F02 would cause a diver to exceed the selected P02 limit either 1 4 or 1 6 a series of horizontal dashes appear in the place of the no decom pression limit CO8000 NiTek Q www DiveRite com SS MENUS gt RITE Using the PLAN Mode Repeatedly press the A button until PLAN is displayed Press the B button to enter the PLAN mode screen Press the B button to advance the depth The no decompression time limits change automatically based on the depth When finished press and hold the A button return to the SURFACE mode A warnine Do not plan dives to depths deeper than those for which the NiTek Q is capable of displaying an available no decompres sion limit
9. end of the dive This drops as your surface interval time increases 4 PGT Exposure Bar Graph This is the amount of residual nitrogen in your body at the end of the dive This drops as your surface interval time increases A WARNING It is recommended that you wait at least 24 hours following any dive before flying in an aircraft or driving to altitude Fail ure to allow sufficient surface interval time before doing so may increase your risk of decompression sickness DCS CO8000 NiTek Q www DiveRite com DIVE MODE gt RITE Altitude Operation The NiTek Q adjusts automatically for diving at altitude The Q monitors altitude information in all modes except PC transfer mode Upon arriving at altitude the NiTek Q s PGT bar graph may show that there is excess nitrogen present even though you may not have made any dives in the preceding 24 hours If you have obtained altitude specialty diver training which everyone should do before diving at altitudes substantially above sea level you already understand that this is to be expected By ascending to a higher altitude from a lower one your body has more nitrogen saturated in body tissues than would be present had you spent the preceding 24 hours at the higher altitude By displaying residual nitrogen and a surface interval your NiTek Q is merely reflecting this fact A When traveling by air be sure to carry the NiTek Q in your hand luggage or the pressurized cabin not the
10. first SET screen 2 Repeatedly press the A button until you reach the SET screen three and the CONSO CONS1 or CONS2 is flashing 3 Press the B button to toggle to CONS GF and the first number will be flashing 4 Press the B button to change the first number SET Screen Three 5 Press the A button to set the first number and automati ally advance to the second number 6 Press the B button to change the second number 7 Press the A button to lock in the second number and advance to your Imperial or Metric preference To exit wait 2 3 seconds and the computer will automatically return to the SURFACE mode CO8000 NiTek Q www DiveRite com Re DIVE RITE Appendix D COMPASS UPGRADE COMPASS Upgrade Instructions Now that you have added a digital compass to your computer it must calibrated before use When the DIVE mode is activated when you enter the water the compass is displayed on the second underwater screen COMPASS CAL gt COMPASS Mode Screen To Calibrate Your Digital Compass From the SURFACE mode screen repeatedly press the A button to scroll to the COMPASS screen 1 Press and hold the B button while holding the computer in a horizontal position Holding the unit flat smoothly rotate the computer twice in a 20 second period Following this exercise a Calibration Complete message will be displayed pie fE Web Resource Go to Dive Rite TV for a step by step video showing co
11. your most recent dive OR Repeatedly press the B button to scroll through the logged dives from the newest to the oldest To rapidly scroll press and hold the B button 4 When finished press and hold the A button return to the SURFACE mode PROFILE Mode PROFILE mode enables you to see a graphic representation of your dive The NiTek Q can display a detailed profile of each dive stored in your log showing the depths you reached at various points during your dive When a dive is selected the computer automatically displays the depth and the time during the dive when you reached that depth until it reaches the end of the dive CO8000 NiTek Q www DiveRite com SS MENUS gt RITE Dive profile information is either stored in 15 second or 30 second intervals during a dive This must be set prior to mak ing your dive Refer to Setting the Dive Log Profile Sampling Rate on page 10 for step by step instructions The dive number and date of the dive are displayed when you scroll through your dives making it easy to find the dive profile you want to view 1 Dive Log number This is the dive number that corresponds to the dive number when in LOG mode 2 Max Depth This is the maximum depth reached during the dive 3 Dive Time This is the actual bottom time for the dive To View a Dive Profile 1 Repeatedly press the A button until PROF is displayed 2 Press the B button to enter the PROFILE mode screen 3 P
12. 02 for this mix The computer will automatically advance to the 02 option 5 Press the B button to select your 02 for this mix 6 Press the A button to lock in your 02 and the computer will automatically advance to SET screen two To exit press andhold the A button for 2 3 seconds to return to the Surface mode NOTE Up to two different gas mixes can be programmed but if you are only using one mix you only need to set MIX 1 mm The NiTek Q starts the dive on the last gas mix used or viewed in the SET mode not on MIX 1 Be sure to check and set your mix number before your dive A WARNING It is strongly recommended that you use either a secondary computer or dive tables as a backup to the NiTek Q CO8000 NiTek Q 8 www DiveRite com q MENUS gt RITE SET Screen Two The NiTek Q has maximum depth and time alarms that can be set on SET Screen Two These alarms will be activated when the diver reaches selected presets When the maximum depth is reached the current depth indicator will flash until you ascend to a DIVE T Min depth that is shallower than the maximum depth you have set The Maximum Depth alarm can be set from 0 492 feet 0 150 meters When the maximum dive time is reached the dive time and maxi mum dive time alarm indicators will continue to flash until after you surface Setting the Maximum Depth Alarm SET Screen Two 1 Press the A button until SET is displayed 2 Press the B
13. 9 bars If all 9 bars are displayed it means that you are at or have exceeded the no decompression limit triggering a visual warning ge VISUAL INDICATOR Pressure Gas in Tissue PGT Limit Indicator The PGT limit indicator alerts you to the fact that you are approaching or have approached the no decompression limit When 7 of the 9 bars are displayed the PGT graph flashes to indicate that you must ascend to a shallower depth to avert a decompression obligation If all nine bars are displayed the NiTek Q will change to the decompression mode TRIMIN When Diving Do not push the no decompression limits NDL s Make safety stops before ascending If you exceed the no decom pression limits check your breathing gas supply at all decompression stop depths CO8000 NiTek Q www DiveRite com b DIVE MODE DIVE RITE The NiTek Q does not monitor breathing gas supply You must moni tor this yourself on every dive using a submersible pressure gauge or DIVE T equivalent device OBa 054 00 Decompression Min Min Le Lu 6 a If you exceed the no decompression limits during a dive the computer 6 107 Meran l ae SLOW TOTAL DECO FRESH enters the decompression mode This indicates that you will have to limit O MI PGT our ascent time and enter a series of one or more decompression stops j Bar y j p 1 0 1 0232 1 Deco Stop Symbol The DECO symbol displays indicating that you have to stop at the dept
14. CO8000 NiTek Q www DiveRite com bi USING THE NiTek Q DIVE RITE SURFACE Mode The SURFACE mode is the NiTek Q s default screen At i the surface the computer automatically returns to this Battery Charge Indicator mode from any other screen after 20 seconds slightly TT longer than 20 seconds when in profile and compass i modes Upon surfacing from a dive the computer also Date 0 1 1 2 06 be 1 9 Time returns to the SURFACE mode screen and displays ad ditional post dive information see page 16 FRESH To manually return to the SURFACE mode press and hold PO2 MIX the A button for 2 3 seconds 1 6 1 0216 The SURFACE mode displays battery charge status date FRESH or time choice of FRESH or SEA calibration and the first gas PO2 MIX 02 SEA mix you will use when diving Calibration SURFACE Mode Screen Date and Time IMPORTANT The date and time must be correctly set in order to accurately track your dives Setting the date and time enables the NiTek Q to keep track of dives chrono logically The internal clock is also used for decompression calculations If you travel to a different time zone set the local time before diving The time and date will have to be reset if the battery becomes completely discharged Date This is the month and the day The first digit is the month and the second digit is the day The 07 represents TIME Mode Screen July and 12 represents the 12th day of the month
15. NiTek Q with the set point you have programmed into your rebreather As long as you run the rebreather at the setpoint you programmed into the Q it will provide accurate dive and decompression information You can change setpoints on the fly in DIVE mode to ac count for any shifts you may make on the rebreather You will need to program the NiTek Q with your rebreather diluent gas and all bailout gases for each dive The setpoint is programmed separately and is used to calculate your decompression If you have to switch from closed circuit C C to open circuit O C mode during a dive you will be able to change to your pre programmed bailout gases to complete any decompression NOTE You must unlock the Trimix upgrade to upgrade to CCR The SURFACE mode SET mode and DIVE mode screens reflect the closed circuit upgrade You will need to become famil iar with and learn how to use these menus All other menus and screens are the same as the basic NiTek Q SURFACE Mode The SURFACE mode is the NiTek Q s default screen At the PM surface the computer automatically returns to this mode from 0 7 1 2 p any other screen after 20 seconds slightly longer than 20 06 1 9 seconds when in profile and compass modes Upon surfac ing from a dive the computer also returns to the SURFACE mode screen and displays additional post dive information see page 16 FRESH SP MIX C C 0 4 1 0221 HEOO The Surface mode displays battery charg
16. RESH or SEA water option and screen brightness control When the computer is in this mode SET is displayed in the lower left hand corner of the screen There are four SET screens that are used to set up your entire dive planning options SET Screen One is where you will program your mixes including the following options 1 MIX Number This is the mix number you are setting 2 P02 Setting This is the P02 setting for the mix num 3 FO2 This is the oxygen percentage for the mix num o ber selected It can either be 1 4 or 1 6 ber selected The 02 range is 21 99 MAX 103ft FRESH Your maximum operating depth MOD is also displayed on SET PO2 MIX Screen One The MOD is the safe operating depth maximum SET 1 6 1 0216 for the mix selected and will automatically update to reflect the chosen P02 limit either 1 4 or 1 6 SET Screen One To enter the Dive SET mode from the Surface screen 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen The MIX number will be flashing Programming Gas Mixes When you have entered the Dive SET mode and the MIX number is flashing 1 Press the B button to change to the desired mix number that you want to set or change 2 Press the A button to set the mix number The computer will automatically advance to the P02 set alarm option 3 Press the B button to toggle between 1 4 and 1 6 4 Press the A button to set the maximum P
17. ail to heed this warning and all nine of the bars are displayed the graph continues to flash until you ascend to Primary Underwater Screen a shallower depth and the graph drops to seven bars OLI Rate Warning CO8000 NiTek Q www DiveRite com N DIVE CARE amp MAINTENANCE be RITE Decompression Stop Violation Warning A decompression stop violation warning is triggered when you as cend to a shallower depth than the indicated stop depth or if you DIVE T Min do not spend sufficient time at the required depth before ascend 000 3 7 ing If you violate the decompression obligation the computer s WANL DECO symbol will flash and continue to flash as long as you 42 remain shallower than the indicated stop depth FRESH PO2 MIX A 1 6 1 0221 If you do not correct an indicated deco stop violation the warning Primary Underwater Screen continues for several minutes after surfacing At this point the Decompression Stop Violation Warning computer will display a Decompression Violation warning with a countdown timer beginning at 24 hours Dive Checklist Before A Dive e Check that the proper time and date are set If you are traveling your NiTek Q may still be set to your home time zone e If you have upgraded to CCR check that the proper mixes and modes are set Ensure that you are in either the open circuit O C mode or closed circuit mode C C when programming your NiTek Q e Make sure that you review t
18. al Operation The NiTek Q can calculate and give you values in Imperial units or Metric units When in Imperial depth values are ex pressed in feet When in Metric depth values are expressed in meters 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen scrolls through SET Screens One and Two changes to SET Screen Three and ft or m is flashing 4 Press the B button to toggle between ft feet and m meters 5 Press the A button to lock in your choice and advance to the Sampling Rate option To exit press and hold the A button for 2 3 seconds to return to the Surface mode Setting the Dive Log Profile Sampling Rate The NiTek Q allows you to choose how frequently it samples and stores depth and time data These snapshots of your dive data are used in the LOG and PROFILE mode as well as when data is uploaded to a personal computer The Q can be programmed to sample your data every 15 seconds or every 30 seconds The 30 second sampling rate is the computer s default setting The 15 second sampling rate provides a more detailed dive profile but because it stores more information fewer dives can be stored The 30 second sampling rate provides a less detailed dive profile but it is capable of storing more information for more dives NOTE When the computer s memory storage is full it overwrites t
19. battery symbol is animated to indicate charging Periodi cally disconnect the charging cable and check the number of bars a solid battery symbol indicates a full charge Upon full charge reinsert the battery cap and using a coin turn the battery cap a quarter turn clockwise to seal Do not dive the computer unless the battery cap is sealed MAINTENANCE TIP To ensure your computer stays watertight it is important to inspect the USB plug o ring periodi cally Check for dirt and grit and clean off the o ring if anything is found Use of the correct o ring is critical to a proper seal Using the wrong o ring could allow the computer to flood Never replace the o ring with anything but one supplied by Dive Rite in a service kit Using The NiTek Q Dive Rite Button Operation and Navigation pelea Navigating the menus of the Q is intuitive the left A button and v1 3 8C the right B button are used in the same way across all screens Press A to scroll Press B to select HOME Screen Press A to confirm the choice and advance to the A B next option Sleep Mode The computer automatically hibernates after 10 minutes of disuse to conserve battery use To bring the computer out of hibernation press either A or B button To extend the battery charge put the computer back into hibernation whenever it is not in use To do this press and hold the A button to return to the Surface mode screen Then press the B button for 2 3 seconds
20. btained by calling Dive Rite at 800 495 1046 or e mail at Service DiveRite com Before shipping ensure that the NiTek Q is adequately packaged and protected Dive Rite is not responsible for any dam age that may occur during shipping This warranty becomes void if NiTek Q components are damaged by anything other than normal recreational diving use or if they have been serviced or repaired by anyone other than authorized Dive Rite dealers Repairs made under the warranty will not extend the warranty period All further claims especially for damage after diving accidents are excluded from coverage under this warranty Dive Rite has no obligation to honor any extension of this warranty This warranty is in lieu of all other warranties express or implied No other person or representative is authorized to as sume for Dive Rite any other liability in connection with the sale of this product Accessories Available At Your Local Dive Rite Dealer Learn more about all the accessories available for your new NiTek Q dive computer at www diverite com or visit your local Dive Rite dealer Ke i Web Resource To find the nearest Dive Rite Dealer go to http www diverite com dealers NS Zz CO8000 NiTek Q www DiveRite com N DIVE Appendix A TRIMIX UPGRADE Bie RITE Normoxic or Hypoxic Trimix Upgrade Instructions If you have upgraded to normoxic or hypoxic Trimix you will be programming your computer for a percentage of hel
21. button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen changes to SET Screen Two and the maximum depth is flashing in the upper left portion of the screen 4 Press button B to select the depth at which you want the alarm to activate 5 Press button A lock the depth and advance to the Maximum Depth Alarm ON OFF indicator in the center left portion of the screen This will be flashing 6 Press button B to toggle the alarm ON or OFF 7 Press button A to lock your selection and advance to the Dive Time Alarm option To exit press and hold the A button for 2 3 seconds to return to the SURFACE mode Setting the Maximum Dive Time Alarm 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen changes to SET Screen Two and the maximum dive time is flash ing in the upper right portion of the screen 4 Press button B to set the time when you want the alarm to activate 5 Press button A to lock the time and advance to the Maximum Time Alarm ON OFF indicator in the center right portion of the screen This will be flashing 6 Press button B to toggle the alarm ON or OFF 7 Press button A to lock your selection and advance to the Conservatism Gradient Factor option To exit press and hold the A button for 2 3 seconds to return to
22. ch as age obesity dehydration cold or exertion which experts believe place divers at greater risk of DCS If these factors apply to you use the NiTek Q any other dive computer or dive tables with greater caution You should never dive with Nitrox EANx unless you have personally verified the oxygen percentage in your tanks and correctly entered the 02 into your dive computer Failing to verify the oxygen percentage or entering the wrong percentage could lead to serious injury or death If you have upgraded your NiTek Q to Trimix you should never dive with Trimix unless you have personally veri fied the oxygen and helium percentage in your tanks and correctly entered the O2 and HE into your dive computer Failing to verify the oxygen and helium percentage or entering the wrong percentages could lead to serious injury or death gt gt You should never fly after diving until you verify that no measurable residual nitrogen remains after previous dives and the computer no longer displays the desaturation time indicator Flying during the no fly time can result in decompression sickness DCS gt CO8000 NiTek Q www DiveRite com Table Of Contents be WARPING ee sectecsngs nonce tcoes eres esens A E E E E E EA EEE AE N E 2 Product DG SCE ION PN MAM D gt A O EEO EEO OOA 4 PPO AEAT EE E A E AN 4 SSC TNC ewel gt gt gt DKrDKeDrDrDYDYKirierrKryyyeeyeyeepe mmmnmmeNeNeNeNNNNNNNNnnnomn 5 53 5 E S A NN MD rrr
23. d screens will offer new information and or require additional pro gramming based on your upgrade icons throughout the manual will indicate when to reference the appendix ERIM Trimix icon refer to Appendix A GF GF icon refer to Appendix C CCR wi ne CIE tO A du wee Compass icon refer to Appendix D Appendix B Appendix C It is extremely important that you carefully read and understand this manual before diving your NiTek Q SUPPORT All Dive Rite products receive our commitment to excellence in customer service from your fellow divers Contact us with any questions at support diverite com or phone at 800 495 1046 Monday through Friday 9 AM 4 PM Eastern Standard Time CO8000 NiTek Q www DiveRite com TECH SPECS Includes Self donning ladder lock wrist strap USB Cable 120V US AC charger CO8000 NiTek Q DIVE RITE Specifications Algorithm Buhlmann ZH L16 Three pre set gradient factors 30 75 default 40 100 or 75 95 Optional custom gradient factor upgrade Sample tissues 16 Tissue half lives from 5 640 minutes Size and weight Length 3 5 8 9 cm Height 1 25 5 7 cm Thick 1 2 54 cm Weight 9 oz 255 g Display face Yellow OLED always on Visible in complete darkness Scratch resistant mineral glass Low battery indicator Two user buttons Visual alarms Imperial or metric Depth Sensor Sea and freshwater calibration Rated to a depth of 492 feet 150 meters meas
24. e P02 set alarm option oe St 2 CO8000 NiTek Q www DiveRite com b gt DIVE RITE Appendix A TRIMIX UPGRADE Press the B button to select your 02 for this mix Press the A button to lock in your 02 and the computer will automatically advance to your HE Press the B button to select your HE for this mix Press the A button to lock in your HE and the computer will automatically advance SET screen two To exit press and hold the A button for 2 3 seconds to return to the Surface mode o N EY p NOTE Up to three different gas mixes can be programmed for normoxic Trimix and seven different gas mixes can be programmed for hypoxic Trimix but if you are only using one mix you only need to set MIX 1 A WARNING You should not rely on the NiTek Q as your sole means of tracking your exposure to elevated partial pressures of oxygen nitrogen and helium It is strongly recommended that you use either a second computer or dive tables when you dive PLAN Mode PLAN mode is a dive planning tool that enables you to deter mine how long you can stay at various depths while remain 30 0n ing within no decompression limits NDL The no decom pression limits are based on the gas programmed for mix 1 If 16 you are making a dive within 24 hours of a previous dive the no decompression limits are adjusted for residual nitrogen MIX PLAN 1 O16 HEOO Min NDL The two most important values that are displayed o
25. e SURFACE mode N Ov pi E EU fL za Web Resource For detailed instructions on how to use Workbench Logbook visit Dive Rite s library at i http www diverite com education library articles SZ DIVE Mode The DIVE computer mode is automatically entered when the computer enters the water It begins performing its dive calculations once you descend below 5 feet 1 5m While in DIVE mode the computer calculates and displays informa CO8000 NiTek Q www DiveRite com b gt DIVE MODE DIVE RITE tion about your dive and prompts you with safety stop information and warnings if needed When diving there are two screens you can toggle between and you can switch to different gas mixes when needed Primary Underwater Screen The primary underwater screen in DIVE mode displays your depth remaining no decompression time dive time max depth mix P02 02 percentage mix number and OLI oxygen limit indicator and PGT pressure gas in tissue bar graphs which are graphic representations of your CNS clock 1 Depth This is your current depth DIVE T Min 2 Maximum Depth This is the maximum depth you have 85 2 000 37 MAX reached during your dive 3 P02 This is the partial pressure of 02 at your currentdepth 90 ft It is based on the F02 settings for the mix selected OLI 4 02 OLI Bar Graph This is the oxygen limit index OLI Bar PO2 MIX that calculates the cumulative effect o
26. e status date time choice of FRESH or SEA calibration either O C or C C and SURFACE Mode Screen the gas mixes you will use when diving To switch between O C and C C simultaneously hold buttons A and B for 2 3 seconds A Be sure you are in the appropriate O C or C C mode when programming your NiTek Q for dives with a rebreather Dive Option SET and Display Mode The dive option SET and display mode is where all dive set tings are programmed including your P02 alarm or setpoint SP for each gas 02 the maximum safe operating depth MOD an optional maximum depth alarm a maximum dive MAX time alarm conservatism gradient factor options a sampling 103ft rate for the log book the FRESH or SEA water option and FRESH screen brightness control When the computer is in this mode MIX SP Yo SET is displayed in the lower left hand corner of the screen SET 0 4 1 0221 HE 00 SET Screen One is where you will program your mixes includ SET Screen One ing the following options 1 MIX Number This is the mix number you are setting 2 P02 or SP Setting This is the P02 setting for the mix number selected on O C mode or setpoint SP setting in C C mode The P02 can be set for either be 1 4 or 1 6 in O C mode and the SP for 0 4 to 1 6 in C C mode 3 F02 This is the oxygen percentage for the mix number selected The 02 range is 8 99 4 HE This is the helium percentage for the mix number s
27. eacaesseseseees 9 BOT SIM TI Nile Xx ces EEA j gg 9 Setting Your ConservatisM Gradient FAactOl cscssscecsssesesssscsssessssesesssssssesseacsssssseeseseseeseees 9 Setting For Metric or Imperial OPeration essssesssecsssssssscscssssssscscsssssssscessessesssesescseesesesees 10 Setting the Dive Setting Log Profile Sampling Rate ccsessssssesscsesessssescssessseseeeseseesesees 10 Setting Tor FRESH or SEA Water Us Gisssesscssisessssrsiesossseciciassasvaasosstcadsainisracsdevesieussadsiessanereenselessesdeys 10 so Sl COT OU Come mrerr 415044005551154 451 0a1 einer et eter ere HO AA BE W NEVAN dR ner ree WE E ere nee ee 11 Setting Briontness COT lassasessassivsssasicvavtonckessenvusstevsesnstoaviony cnrasiivn ENE a NE 11 PLAN MOGGE A T E EE E AE E OEE A ENA 11 POMNO O a E eves sy OA E E j EE OOE 12 PRORILE NOTO carr aa E EE E E E E A E E E rrr rk 12 PeO O e E A AAA EEA E A O A E EAE A 13 ES IO a E A EE EE AA cence OENE 13 Primary Underwater SCreen es sseesssessseesseessseesssessseesseesseesssessseesseessseosseesseeoserosseosseroserossrosseesseroeeesseesseees 14 Second Underwater SCree n ssesseesseesseesseesseessseeseeesseesseesseesseesseesseesseesseesseesseesseessersseesseesseessseossesssessseosss 15 Changing Gas Mixes Underwater sssessesssesseessesseeseesseessessesssesseessceseesseoseesseoseossesseesscoseessconeesseoseosseoseessee 15 Surface Mode Upon Surfacing From A Dive cesssssss
28. eached during your dive 3 P02 This is the partial pressure of 02 at your current depth It is based on the F02 settings for the mix selected 4 02 OLI Bar Graph This is the oxygen limit index OLI that calculates the cumulative effect of your exposure to elevated partial pressures of oxygen P02 This bar graph can display up to nine bars If all bars are displayed it means that you have used 100 percent of your CNS clock triggering a visual warning This graph increases when you descend due to higher partial pressures and may decrease when you ascend VISUAL WARNING Oxygen Limit Index OLI Warning The OLI warning accounts for the intensity and length of your exposure to partial pressures of oxygen When 7 of the OLI bars are displayed the OLI graph flashes as a warning to ascend to a shallower depth If you fail to heed this warning and all 9 of the bars are displayed the graph continues to flash until you ascend to a shallower depth and the graph drops to seven bars 5 Dive Time This is the time spent in minutes and seconds underwater measured from the time you descended below 5 feet 1 5 meters 6 Remaining No Decompression Limit NDL This is the time that is remaining in minutes before you reach the no decompression limit This NDL time limit increases as you ascend and decreases as you descend Mix Number This is the mix number for which the computer is currently calculating dive data 02 Percentage This i
29. elected The HE range is 0 92 CO8000 NiTek Q 24 www DiveRite com N Appendix B CCR UPGRADE gt RITE Your maximum operating depth MOD is also displayed on SET Screen One The MOD is the safe operating depth maximum for the mix selected and will automatically update to reflect the chosen P02 limit either 1 4 or 1 6 To Set P02 Setpoints NOTE If you only plan on using one P02 setpoint and mixture on your dive you only need to set that P02 and mix From the SURFACE mode screen repeatedly press the A button to reach the SET screen e If you are not already in closed circuit C C mode put the Q into C C mode 2 Press and hold the A button for 3 4 seconds until SP is flashing Press the A button to enter the setpoint selec tion mode The setpoint P02 is flashing 3 Press the B button to change the P02 to the desired value that you want to set or change 4 Press the A button to select the mix setting 5 Press the B button to set the mix number 6 Press the A button to lock in your mix and the computer will automatically advance to the 02 option To exit press and hold the A button for 2 3 seconds to return to the Surface mode NOTE Up to seven different gas mixes can be programmed but if you are only using one mix you only need to set MIX 1 A WARNING The NiTek Q should serve as a back up device to your closed circuit rebreather electronics and never be the primary means for tracking
30. exposure to elevated partial pressures of oxygen To Change Setpoints Underwater 1 Press and hold the A button for 2 3 seconds and the SP number flashes 2 Press the B button to scroll through the setpoint numbers The setpoint value changes to reflect the PO2 for the selected mix 3 Press the A button to lock in a setpoint and return to the primary diving mode screen NOTE You cannot lock in a setpoint if it causes you to exceed a PO2 of 1 6 atmospheres Only switch setpoints when you have reached a safe operating depth for the P02 you are switching to CO8000 NiTek Q www DiveRite com A Appendix C CUSTOM GF UPGRADE gt RITE Custom Gradient Factor GF Upgrade Instructions Your custom gradient factor upgrade allows you to set your own gradient factors The NiTek Q automatically defaults to the most conservative gradient factor setting Creating and using custom gradient factors should only be undertaken by those who understand the consequences of these settings Aggressive settings should not be undertaken lightly It is not recommended diving any computer to the maximum limits PS Ke Web Resource See Matti Anttila s article Gradient Factors to learn more about customizing your gradient factor http www diverite com downloads To Set Custom Gradient Factors GF From the SURFACE mode screen repeatedly press the A button until the first SET screen is reached 1 Press the B button to enter the
31. f your exposure to i 1 6 1 0221 pi elevated partial pressures of oxygen P02 This bar graph can display up to nine bars If all bars are displayed it means that you have used 100 percent of your CNS clock triggering a visual warning This graph increases when you descend due to higher partial pressures and may decrease when you ascend Primary Underwater Screen VISUAL WARNING Oxygen Limit Index OLI Warning The OLI warning accounts for the intensity and length of your exposure to partial pressures of oxygen When 7 of the OLI bars are displayed the OLI graph flashes as a warning to ascend to a shallower depth If you fail to heed this warning and all 9 of the bars are displayed the graph continues to flash until you ascend to a shallower depth and the graph drops to seven bars 5 Dive Time This is the time spent in minutes and seconds underwater measured from the time you descended below 5 feet 1 5 meters 6 Remaining No Decompression Limit NDL This is the time that is remaining in minutes before you reach the no decompression limit This NDL time limit increases as you ascend and decreases as you descend 7 Mix Number This is the mix number for which the computer is currently calculating dive data 02 Percentage This is the oxygen percentage programmed for the mix number that is displayed 9 PGT Bar Graph This is how much nitrogen the computer calculates your body has absorbed There are a maximum of
32. for which the NiTek Q is capable of displaying an available no decompres sion limit Doing so could cause you to exceed the no decompression limits or a limiting P02 of 1 4 or 1 6 atmospheres This may increase your risk of decompression sickness or central nervous system CNS oxygen toxicity and can lead to serious personal injury or death a ud L Ta CO8000 NiTek Q www DiveRite com N DIVE Appendix A TRIMIX UPGRADE gt RITE DIVE Mode The DIVE computer mode is automatically entered when the computer enters the water It begins performing its dive calculations once you descend below 5 feet 1 5m While in DIVE mode the computer calculates and displays informa tion about your dive and prompts you with safety stop information and warnings if needed When diving there are two screens you can toggle between and you can switch to different gas mixes when needed Primary Underwater Screen The primary underwater screen in DIVE mode displays your DIVE T Min depth remaining no decompression time dive time max depth mix P02 02 percentage HE percentage mix number 15 2 tt 009 39 and OLI oxygen limit indicator and PGT pressure gas in MAX tissue bar graphs which are graphic representations of your 100 ft CNS clock OLI 4 i Bar PO2 MX L 1 6 1 O 21 HE 29 Primary Underwater Screen 1 Depth This is your current depth 2 Maximum Depth This is the maximum depth you have r
33. h displayed 2 Required Stop Depth This is the required decompression stop depth 3 Required Stop Time This is the time in minutes you must remain at the indicated stop depth 4 Total Ascent Time This is the total amount of time in minutes you must spend at the decompression stops and the ascent time between decompression stops 5 PGT Bar Graph This visual indicator continues to monitor the calculated nitrogen in your body tissues during decompression A WARNING Decompression diving is considered to substantially increase your risk of decompression sickness DCS Primary Underwater Screen Decompression Symbol Second Underwater Screen While underwater you can change to the second DIVE mode screen that displays additional information When you switch screens the current depth conservatism gradient factor time of day temperature and strip compass are dis played 1 Dive Time This is the current time of day DIVE T Min 2 Maximum Depth This is the maximum depth that you 15 28 000 37 have reached on this dive MAX 72F 3 Temperature This is the current water temperature 100 ft 4 Strip Compass This is inactive unless you have purchased i i the compass upgrade 2 uao i 1 6 i To Display the Second Underwater Diving Mode Screen Second Underwater Screen 1 Press and hold the B button 2 Release the B button to return to the primary diving mode screen Changing Gas Mixes Underwater
34. he dive plan mode for maximum depths and times for the mixes you will use During A Dive e Monitor the NiTek Q throughout your dive for depth and time e Monitor the Pressure Gas in Tissue PGT and Oxygen Limit Indicator OLI 02 loading bar graphs Follow the no decompression limits or complete the required decompression displayed After A Dive e Monitor surface interval time if making another dive e Follow desaturation and no fly guidelines e Review your dive using the log mode and profile mode e Download the dive log to your PC or MAC if you have the optional PC interface and software Care and Maintenance Proper Handling Techniques The NiTek Q is constructed to withstand the most demanding diving conditions It is however a high precision instru ment which requires proper care 1 Always rinse the computer with freshwater after use 2 Store your NiTek Q in a cool dry location After diving wipe the computer dry and store it in a location separate from other damp items 3 Battery care and maintenance see page 6 A Failure to follow these handling techniques may result in damage to the NiTek Q 1 Do not store the computer in hot humid or wet environments The pressure transducer is sensitive to both heat and humidity If impaired it may cause incorrect altitude or depth readings 2 When in hot and or humid environments dip the computer in water for several minutes to cool it to room tem perature before using it
35. he oldest dive profile data stored with the new infor mation 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen scrolls through SET Screens One and Two changes to SET Screen Three and Dive Profile Sampling Rate is flashing 4 Press the B button to toggle between 15 and 30 seconds 5 Press the A button to lock in your choice and advance to the FRESH or SEA calibration option To exit press and hold the A button for 2 3 seconds to return to the Surface mode Setting for FRESH or SEA Salt Water Use Before going diving you will need to set your computer for the type of water you will be diving in either fresh or salt This allows for the most accurate calculations that determine your no decompression limits and decompression stops CO8000 NiTek Q www DiveRite com N DIVE MENUS Dom RITE These calculations are based on One atmosphere of saltwater 33 feet 10 meters One atmosphere of freshwater 34 feet 10 3 meters To set for FRESH or SEA Water Use 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen scrolls through SET Screens One and Two changes to SET Screen Three and FRESH or SEA is flashing 4 Press the B button to toggle betwee
36. ium as well as oxygen The SURFACE mode DIVE mode PLAN mode and LOG mode screens reflect the additional gas option in your mix choices You will need to become familiar with and learn how to manage the addition of helium to your breathing gas throughout these menus All other menus and screens are the same as the base model NiTek Q SURFACE Mode The SURFACE mode is the NiTek Q s default screen At the sur PM face the computer automatically returns to this mode from any 0 7 1 2 06 1 9 other screen after 20 seconds slightly longer than 20 seconds when in profile and compass modes Upon surfacing from a dive the computer also returns to the SURFACE mode screen and displays additional post dive information see page 16 FRESH PO2 MIX 1 6 1 0216 49 SURFACE Mode Screen The Surface mode displays battery charge status date time choice of FRESH or SEA calibration and the gas mixes you will use when diving including both 02 and helium Menus Dive Option SET and Display Mode The dive option SET and display mode is where all dive settings are programmed including your P02 alarm for each gas 02 HE the maximum safe operating depth MOD an optional maximum depth alarm a maximum dive time alarm conservatism gradient factor options a sampling rate for the log book the FRESH or SEA water option and screen bright ness control When the computer is in this mode SET is displayed in the lowe
37. m a recognized training agency in closed circuit rebreather diving The NiTek Q is not for commercial or military divers whose activities may take them beyond the commonly ac cepted depth limits for recreational or technical diving You should never share or trade your NiTek Q or any other dive computer during a dive You should never lend your dive computer to another diver until it fully clears which means that no measurable residual nitrogen re mains after previous dives and the computer no longer displays the desaturation time indicator Your computer gathers information during a dive that is applicable only to you If you share or trade your computer with another diver your decompression limits will be inaccurate which may cause decompression sickness DCS You should use the same computer for all repetitive dives in the same repetitive dive series thereby accurately monitoring your total exposure to oxygen and nitrogen and helium if you have upgraded to Trimix The NiTek Q does not physically measure the amount of nitrogen present in body tissues or the rate at which nitrogen is absorbed or released The NiTek Q monitors depth and time and uses this data to work a mathemati cal formula designed to emulate how individuals in good general health whose physical conditions do not place them at a higher risk of DCS are assumed to absorb and release nitrogen from body tissues This computer can not compensate for factors su
38. mpass calibration http www diverite com tv gear www DiveRite com CO8000 NiTek Q B DIVE RITE 800 495 1046 www DiveRite com Copyright 2011 Lamartek Inc dba Dive Rite This manual is copyrighted by Lamartek Inc dba Dive Rite You may not reproduce translate transcribe or transmit any part of this manual without express written permission from Lamartek Inc dba Dive Rite
39. n the screen in PLAN mode are the depth and no decompression PLAN Mode Screen time limit 1 Depth When you first enter PLAN mode the initial depth displayed is 30 feet 9 meters You can advance the depth in 10 foot 3 meter increments Fifteen different dive plan increments can be displayed to a maximum depth of 170 feet 51 meters 2 No decompression limit NDL The no decompression limit is dependent upon the depth displayed and the current 02 F02 setting The NDL is displayed in minutes and is found in the upper right portion of the PLAN mode screen If the NiTek Q calculates that there is residual nitrogen and helium present from previous dives your no decompres sion limits will be shorter Depending on how much residual nitrogen is present there may be no NDL time for some deeper depths If this takes place the Q will display a series of horizontal dashes Similarly if a combination of depth and F02 would cause a diver to exceed the selected P02 limit either 1 4 or 1 6 a series of horizontal dashes appear in the place of the no decompression limit Using the PLAN Mode Repeatedly press the A button until PLAN is displayed Press the B button to enter the PLAN mode screen Press the B button to advance the depth The no decompression time limits change automatically based on the depth When finished press and hold the A button return to the SURFACE mode A WARNING Do not plan dives to depths deeper than those
40. n the two 5 Press the A button to lock in your choice and advance to SET Screen Four To exit press and hold the A button for 2 3 seconds to return to the SURFACE mode SET Screen Four is where you will find and program the brightness of the text and numbers displayed on the screen Setting Brightness Control 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen scrolls through SET Screens One Two and Three and changes to SET Screen Four where the brightness number is flashing 4 Press the B button to change the brightness When you are satisfied with the display brightness press the A button to advance to the MIX number option To exit press and hold the A button for 2 3 seconds to return to the SURFACE mode PLAN Mode PLAN mode is a dive planning tool that enables you to de termine how long you can stay at various depths while remaining within no decompression limits NDL The no decompression limits are based on the mix that is cur 30 On rently displayed If you are making a dive within 24 hours of a previous dive the no decompression limits are adjusted for residual nitrogen The two most important values that are displayed on the PLAN 1 6 46 screen in PLAN mode are the depth and no decompression time limit PLAN Mode Screen 1 Depth When you first enter PLAN mode the initial
41. polymer battery that is sealed inside the housing You will need to check the battery level and fully charge the battery before the first use Battery Charge Indicator and afterwards as needed The best battery life will come from keeping the battery charged A full charge will last for PM approximately 20 hours of dive time depending on screen 0 7 1 2 06 e 1 9 brightness settings The battery will last for several years of normal use before gradually diminishing in capacity and can be replaced by Dive Rite or an authorized Dive Rite Dealer FRESH PO2 MIX How To Check Battery Status 1 6 1 0216 Press either the A or B button to bring the computer out of sleep mode The Home screen will display for a few seconds SHPEACE Mode Seraan and then automatically advance to the SURFACE screen The icon showing the battery charge status is displayed just above the date If the battery shows a full charge you are ready to program your computer and make a dive If not you will need to charge it Charging Your Battery The NiTek Q can be charged with either the included AC charger or from any USB connector To access the charging port use a coin and turn the cap a quarter turn counter clockwise to align the groove on the battery cap with the groove on the computer case When this groove is aligned the battery cap is no longer sealed Plug the charger into an AC outlet or USB connection and then into the port on the computer The
42. r left hand corner of the screen SET Screen One is where you will program your mixes including the following options 1 MIX Number This is the mix number you are setting 2 P02 Setting This is the P02 setting for the mix number MAX selected It can either be 1 4 or 1 6 403 t 3 FO2 This is the oxygen percentage for the mix number FRESH selected The 02 range is 8 99 62 MIX 4 HE This is the helium percentage for the mix number SET 1 6 1 0216 He 49 selected The HE range for normoxic Trimix is 0 79 and the HE range for hypoxic Trimix is 0 92 SET Screen One Your maximum operating depth MOD is also displayed on SET Screen One The MOD is the safe operating depth maxi mum for the mix selected and will automatically update to reflect the chosen P02 limit either 1 4 or 1 6 To enter the Dive SET mode from the Surface screen 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen MIX number 1 will be flashing Programming Gas Mixes When you have entered the Dive SET mode and the MIX number is flashing Press the B button to change to the desired mix number that you want to set or change Press the A button to set the mix number The computer will automatically advance to the P02 set alarm option Press the B button to toggle between 1 4 and 1 6 Press the A button to set the maximum P02 for this mix The computer will automatically advance to th
43. ress the B button change to the profile page displaying your most recent dive OR Repeatedly press the B button to scroll through the dive profiles from the newest to the oldest To rapidly scroll press and hold the B button 4 When finished press and hold the A button return to the SURFACE mode PROFILE Mode Screen PC Mode Workbench dive software allows the Q diver to perform dive planning on either a PC or MAC An optional upgrade to the Workbench Logbook allows you to upload dive data using a USB interface cable and view dive profiles Before connecting the USB interface cable to your computer be sure to download the NiTek Q Workbench TM software first For more information about how to purchase Workbench Logbook software contact Dive Rite at Qunlocks diverite com To Enter PC Transfer Mode 1 Using a coin remove the USB cap from the back of the NiTek Q and attach the USB interface cable to the connector Be sure no water gets into the compartment Connect the other end of the cable to an internet compatible PC or MAC computer with NiTek Q Workbench TM software installed Repeatedly press the A button on the NiTek Q until PC is displayed in the lower left portion of the screen Press the B button to enter the PC mode screen USB Communicating is displayed on the screen Your dive log data will automatically transfer to your PC or MAC When finished press and hold the A button for 2 3 seconds to return to th
44. s The most recent log entry has the Az DIVE T Min lowest log number beginning with Log 1 When the 85 computer s memory is full the oldest dives are overwritten with the new dives The causes the log entry number assigned to an earlier dive to change 2 Max Depth This is the maximum depth reached during the dive 3 Date This is the month and day of the dive 4 Dive Time This is the actual bottom time for he dive 5 F02 Gas Percentage This is the 02 that you entered for the dive All calculations were based on this per centage 6 HE This is the HE that you entered for the dive All calculations were based on this percentage FRESH O221 HE 20 LOG Mode Screen To View the Dive Log 1 Repeatedly press the A button until LOG is displayed Press the B button to enter the LOG mode screen Press the B button change to the log page displaying your most recent dive OR Repeatedly press the B button to scroll through the logged dives from the newest to the oldest To rapidly scroll press and hold the B button 4 When finished press and hold the A button return to the SURFACE mode E la CO8000 NiTek Q www DiveRite com N Appendix B CCR UPGRADE DIVE RITE CCR Upgrade Instructions If you have upgraded to CCR for your NiTek Q your computer can now be used with closed circuit rebreathers using a constant P02 setpoint ranging from 0 4 to 1 6 The CCR upgrade allows you to program the
45. s and subsequent dives Using the well estab lished Buhlmann ZLH16 algorithm along with a default gradient factor of 30 75 the NiTek Q has three pre set GF settings to choose from that allow for deep stops or shallow stops Housed in a mil spec aluminum case with a mineral glass viewing port the OLED face provides an easy to read display for intuitive push button navigation The Q has an always on screen and comes with a number of modes including a power saving sleep mode SET mode PLAN mode DIVE mode LOG and PROFILE modes PC mode for planning dives and mixes on either a PC or a MAC and a TIME mode which includes the Date Freedom of Choice The NiTek Q gives you the freedom to choose additional features as your skills grow and your equipment changes The Q diver can upgrade to normoxic and hypoxic Trimix closed circuit rebreather digital compass custom gradient fac tors and the Workbench logbook program that allows you to upload your dives to any PC or MAC You only pay for the features you will use and can upgrade to additional features at any time Contact us at Dive Rite at Qunlocks diverite com to upgrade your NiTek Q and then simply connect to the desktop planner workbench via any standard USB port to unlock the features you have added Using Your Upgrades Instructions on how to use your NiTek Q once you ve unlocked any of the optional upgrades can be found in appendices at the end of this manual Because certain modes an
46. s the oxygen percentage programmed for the mix number that is displayed HE Percentage This is the helium percentage programmed for the mix number that is displayed 0 PGT Bar Graph This is how much nitrogen the computer calculates your body has absorbed There are a maximum of 9 bars If all 9 bars are displayed it means that you are at or have exceeded the no decompression limit triggering a visual warning a SS VISUAL INDICATOR Pressure Gas in Tissue PGT Limit Indicator The PGT limit indicator alerts you to the fact that you are approaching or have approached the no decompression limit When 7 of the 9 bars are displayed the PGT graph flashes to indicate that you must ascend to a shallower depth to avert a decompression obligation If all nine bars are displayed the NiTek Q will change to the decompression mode VISUAL WARNING The screen will flash if the mix you are diving is not suitable for breathing at your current depth CO8000 NiTek Q www DiveRite com SS Appendix A TRIMIX UPGRADE DIVE RITE LOG Mode The NiTek Q stores information such as depth time and gases for every dive in a log This stored information can be viewed on screen in the LOG mode The logbook holds a minimum of 15 hours depending on settings Each dive is as signed a log number and the date the dive is made making it easy for you to toggle between the dive log pages 1 Log Entry Number This is the sequence in which the log appear
47. sersseeseeossesscesecossesscesseosseoserssessscosersseeseeossrsseesseossesss 20 Appendix B CCR Upgrader ea a NA 24 Appendix C Custom Gradient Factor Upgrade ssesseessesseessesseesseossessesseessceseesscoseesseossessesseesseeseessesse 26 Appendix D Compass Upgrade e ssesssessesssesseessesseesscsseesseossessesssesseessesscensesseossesseossesseeseesseeseesseossesseossesss 27 CO8000 NiTek Q www DiveRite com b gt DIVE RITE PRODUCT INFORMATION Congratulations on your NiTek Q computer purchase Your NiTek Q has been designed manufactured and tested for the highest possible performance and reliability With proper use and maintenance outlined in this manual it will provide you with many years of outstanding service Kc Web Resources As you read through the manual watch for pointers and helpful tips from the Dive Rite E pros To access our complete library interactive Solution Finder and helpful videos at Dive Rite TV go to www DiveRite com E For product updates and new product release notifications SIGN UP for the Dive Rite Newsletter and follow us on Facebook at http www facebook com DiveRiteTechGear Product Description This two gas Nitrox dive computer is for recreational diving and provides information on depth dive times no decompression limits decompression obligations and nitrogen and oxygen ab sorption and elimination during all dive phases including ascent surface interval time
48. ssssesessessssscsesessesesessesssesessesesessesssesessesesessessseseeees 16 Desaturaton TE eresien ia NEDER DAANEN EEEE ke na d EEEE 16 Surface Interval TiMe sssessssessssessssessseessseessseesssesssseosseeosseeosseessseosssrosseeosserosseesssessssrosserosserosserssss 16 Oxygen Limit Index OLI Bar Graph h esesssesssesssesssesssessseesseesseesseesseeoseeosseosseesseosseesseesseessersseesss 16 Pressure Gas in Tissue PGT Bar Graph sesssesssessesseessesseesseossessesssesseeseesseoseesseossessesseesseeseessee 16 AUCE OPET ON eiaa E ETE A 17 WARNINGS While in Dive MOde sssesssesssessseesseesseesseesseesseesseesseesseesseesseessseossessseossesssessseosseossessseossessseosse 17 Ascent Rate VV ANIME lO y Li i i isudnelnilek niomunnleco RES TE SEOID EAS aleke Naka 17 nit A a la DD rrrmrrmrlxxxmmmzmmm HEE mxFWM F 17 OLI Oxygen Limit Index Warning ss sssessssssssessseesseesssessseesseessseosseesseeoseeosseosseeoseeosseesseessseesseess 17 Decompression Stop Violation Warning sse ssessesssessesssessesssesseesseoseeseesseosseosesssesseeseeoseeseeose 18 Care anda Mali ten ING sisser e EE R E 18 Warranty UALR TINGE Ol Dt eeee e E E EE 19 Accessories for Your NiTek Q ssessssessssesseessseessseesssesssseosseeosseeosseesssesssseosseeosseeosseessseosssrosseeosseeosserssseossseossees 19 Appendix A Trimix Upgrade ss sesesseesseessesssesseesscsssessees
49. the Surface mode SET Screen Three This SET screen allows you to choose one of three preset Conservatism Gradient Factors whether you wish your computer to display depth in feet or meters Imperial or Metric the sampling rate for the computer log and profile and whether the computer will calibrate for FRESH or SEA water Setting Your Conservatism Gradient Factor The NiTek Q uses the Buhlmann ZLH16 algorithm a default gradient factor GF of 30 75 and two additional pre set GF options that allow for deep stops or shallow stops 1 Press the A button until SET is displayed 2 Press the B button to enter the dive set up option screen SET Screen One 3 Repeatedly press the A button until the screen scrolls through SET Screens One and Two and changes to SET Screen Three CONS2 CONS1 or CONSO will be flashing ee Screen Thee in the upper left portion of the screen CO8000 NiTek Q www DiveRite com N MENUS gt RITE 4 Press the B button to toggle through the selections e CONS2 30 75 default most conservative e CONS1 40 100 e CONSO 75 95 5 Press the A button to lock in your choice and advance to the Imperial Metric option To exit press and hold the A button for 2 3 seconds to return to the Surface mode SS Web Resource Learn about setting custom gradient factors in Dive Rite s library at zz http www diverite com education library articles Setting the Computer for Metric or Imperi
50. ue the dive and it will DESAT SURF i l 00 03 00 01 be logged as a single dive FRESH ou Ti PO2 MIX i Per A 0 In addition to the SURFACE mode information displayed as de Bar i O C 1 4 1 0232 i Bar scribed on page 7 new information is displayed on the SURFACE mode screen following each completed dive SURFACE Mode Screen i j Following A Dive e Desaturation Time e Surface Interval Time e Oxygen Limit Index OLI Bar Graph e Pressure Gas in Tissue PGT Bar Graph This information is displayed on the screen until the NiTek Q calculates that it is no longer needed or after 24 hours have passed since the dive NOTE If you are making repetitive dives you need to pay close attention to your surface interval and use it in conjunc tion with the PLAN mode This will ensure that you stay within no decompression limits 1 Desaturation Time This is the amount of time expressed in hours and minutes that must pass before the re sidual nitrogen levels drop to a point where subsequent dives are treated as single non repetitive dives This is not the same as time to fly time On the NiTek Q DESAT times are displayed until completely desaturated 2 Surface Interval Time This is the amount of time you have spent on the surface since your last dive if there is residual nitrogen present from a previous dive It is displayed up to 24 hours of surface interval time 3 OLI Bar Graph This indicates the CNS toxicity level at the
51. ured every second Accuracy 3 2 feet 0 5 meters Surface interval time from 0 24 hours Diving Time from 0 699 minutes Ascent rate warning Depth Range Ascent Rate 0 19 feet 0 5 9 meters 26 feet 8 meters per minute 20 58 feet 6 17 9 meters 39 feet 12 meters per minute 59 feet 18 meters or deeper 52 feet 16 meters per minute Clock Accuracy 30 seconds on average per month 24 hour display Daytime with seconds and hr min sec or total min sec Thermometer Measuring range 40 F 176 F 40 C 85 C Accuracy 4 F 2 C Measurement interval every second during the dive Altitude Altitude function monitoring from 0 to 19 685 feet 6 000 meters Battery Lithium polymer 3 7V rechargeable Average battery life About 3 years 50 dives per year USB cable included 120v US AC charger Breathing Gas Mixes 2 02 setting range 8 99 02 settings 1 increments Optional 3 gas normoxic Trimix 21 99 O2 0 79 He Optional 7 gas hypoxic Trimix 8 99 O2 0 92 He Dive Log Dive logging Minimum of 15 hours depending on settings Profile sampling rates 15 or 30 seconds Uploadable via standard USB cable included Optional Workbench logbook program Optional Accessories Bungee wrist mount Carrying case Screen protector Replacement USB cap o ring service kit 5 www DiveRite com be USING THE NiTek Q DIVE RITE Battery and Charge Set up Your NiTek Q uses a rechargeable Lithium

CO8000 NiTek Q Computer User Manual www.DiveRite.com

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