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www.diverite.com
Date of Purchase _________________
Page 1: ...N Ni iT Te ek k T Tr ri io o D Di iv ve e C Co om mp pu ut te er r U Us se er r G Gu ui id de e www diverite com Date of Purchase _________________ ...
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Page 3: ...es battery depletion or other conditions resulting from misuse negligence alteration accident or unauthorized repair To make a claim under this warranty the owner must have registered his her warranty using Dive Rite s website www diverite com He or she must then return the damaged items to Dive Rite along with a copy of the original purchase invoice or receipt No warranty service will be performe...
Page 4: ...ed 10 Accessing display modes and screens 11 Time Display mode 12 Compass Set and Display mode 14 Dive Option Set and Display mode 16 Plan mode 26 Dive Computer mode 28 Gauge mode 37 Log mode 38 Profile mode 40 History mode 42 PC Transfer mode 43 Surface mode Upon Surfacing From a Dive 44 Altitude operation 46 Chapter 3 Care and Maintenance 48 Proper handling techniques 49 Low battery warning 50 I...
Page 5: ...ummary This chapter provides an overview of the NiTek Trio lists the NiTek Trio s features and functions and covers warning information that should be read before using your NiTek Trio Content Overview 2 Features and functions 3 Specifications 5 Warnings 6 When diving 7 ...
Page 6: ... display providing simple and direct communication between the diver and the computer With an easy to read display the diver has no problem following and reading the displayed information The NiTek Trio comes standard with a number of modes including a time mode dive set mode dive plan mode log mode profile mode PC transfer mode compass mode and dive mode Note It is extremely important that you ca...
Page 7: ...le of functioning up to a depth of 328 feet 100 meters when in dive computer or gage mode The NiTek Trio automatically adjusts for altitudes up to 19 685 feet 6 000 meters The NiTek Trio has a digital compass integrated into the front panel dot matrix display The NiTek Trio displays a variety of data underwater including date time of day current and maximum depths no decompression dive time elapse...
Page 8: ...depth can be displayed in fresh or salt water equivalents Special mode indicators make it easy to determine what display mode or screen you are in at any time The NiTek Trio has a back light to illuminate the screen which can be turned on with the touch of a button The NiTek Trio s memory capability enables it to hold and display log data on up to 30 hours of dive time or 60 dives Detailed dive pr...
Page 9: ...tes Gage mode Ascent rate warning 26 to 52 feet per minute 8 to 16 m Thermometer Operating range 23 F to 104 F 5 to 40 C Accuracy 4 F 2 C Measurement interval Every minute Clock Accuracy 30 sec on average per month 24 hour display Compass Measuring range 0 to 360 Altitude Altitude function monitoring from 0 to 19 685 feet 6 000 m measured every 10 minutes Accuracy 800 feet 250 meters Battery Li Mn...
Page 10: ...ivers whose activities may take them beyond the commonly accepted depth limits for recreational or technical diving Although the NiTek Trio is capable of calculating decompression stop requirements users must remember that dives requiring mandatory stage decompression carry substantially greater risk than dives made well within no decompression limits The NiTek Trio is designed for use by one dive...
Page 11: ...r computer can guarantee that you will not suffer decompression illness Even though you use these items correctly you may still suffer DCI Use your NiTek Trio conservatively and in conjunction with other dive planning devices such as dive tables Do not rely on the NiTek Trio or any similar device as your sole means of avoiding decompression illness When diving Do not push the no decompression limi...
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Page 13: ...ve Option Set and Display mode 16 Using Computer Mode 16 Setting Mixture Percentages 17 Setting the Maximum Depth alarm 18 Setting the Dive Time alarm 19 Setting the Deepstop option 19 Setting for Fresh or Salt Water use 20 Setting the Dive Profile Sampling rate 20 Setting the Safety Factor 21 Setting Metric or Imperial operation 22 Understanding FO2 default 22 Using Gauge Mode 24 Plan mode 25 Div...
Page 14: ...r mix1 mix2 and mix3 If you are using gauge mode make sure it is set to gage Make sure that you review the dive plan mode for maximum depths and times for the mixes you are using During a dive Monitor the NiTek Trio throughout your dive for depth and time Monitor the N2 and O2 loading bar graphs Pay attention to any alarms such as an ascent rate warning Follow the no decompression limits or comple...
Page 15: ...d set which are used to access the different modes and screens To use the buttons simply press the button once or hold the button down depending on what you are trying to do The correct procedure to use is clearly defined in each topic throughout the manual Select button A key This button is used to select the option field that you want to change Mode button B key This button is used to select and...
Page 16: ...e to nitrogen and oxygen desaturation time surface interval time and altitude These items are covered in Surface mode and Altitude operation Setting the time and date Setting the time and date are done in the time set mode You can enter or change the year month day hours minutes and seconds in this mode To set the time and date 1 Repeatedly press Mode until TIMESET is displayed at the top of the s...
Page 17: ...ight illuminates for four to five seconds 2 Press either button again to reactivate the back light Toggling the Character Display screen The NiTek Trio has a 2 line display screen that can show either current temperature time to fly information or a user selectable readout To toggle the user selectable character display 1 Enter the Time Display mode 2 Press the Select button to switch between curr...
Page 18: ...t time To enter compass mode 1 Repeatedly press Mode until the heading and time is displayed at the top of the screen Calibrating the compass Before using the compass in a new area or region you will need to calibrate it to account for any differing magnetic variations Compass display in Calibrate mode To calibrate the compass 1 Repeatedly press Mode until the heading display and time is displayed...
Page 19: ...ved heading To save a heading in the compass 1 Repeatedly press Mode until the heading display and time is shown 2 Press and hold Select for 4 5 seconds until the heading display and time is displayed at the top of the screen The saved heading will be displayed to the left of the time readout A small arrow indicating the saved heading will also be displayed above the angular display if the saved h...
Page 20: ...mode Computer mode is when the NiTek Trio is operating in the normal computer mode DIVESET is displayed on the screen and all computer mode functions operate normally The NiTek Trio dive option set and display mode is used to review and change option settings that pertain to an upcoming dive The operating depth limit when in computer mode is 328 feet 100 meters Dive Option Set and Display fields s...
Page 21: ... mode Setting Mix1 Mix2 and Mix3 percentages You must set the breathing mix you plan on using on your dive Mix1 is considered the first breathing gas you plan on using during a dive and Mix2 and Mix3 are considered the second and third breathing gases you are using on a dive Mix1 Mix2 and Mix3 can be set for 21 to 99 percent oxygen Note If you only plan on using one mix on your dive you only need ...
Page 22: ... 1 to 2 seconds to return to time mode NOTE Unless prior dives that day have been conducted on air FO2 of 21 percent the NiTek Trio will reset the gas mixture on following dives to an FO2 of 99 percent if the surface interval is 10 minutes or longer Please be certain to reset your gas mixture between dives Setting the maximum depth alarm The NiTek Trio has a maximum depth alarm that is activated w...
Page 23: ...ime is flashing 3 Press Set to set the time when you want the alarm to sound 4 Press Select The dive time alarm ON OFF flashes 5 Press Set to toggle the alarm on and off 6 When finished press Select to advance to the next option deepstop To exit press and hold Mode for 1 to 2 seconds to return to time mode Setting the deepstop option The NiTek Trio has the ability to include deep stops into its de...
Page 24: ...atedly press Select until WATER IS is shown and FRESH or SEA is flashing 3 Press Set to toggle between fresh and sea water 4 When finished press Select to advance to the next option profile time To exit press and hold Mode for 1 to 2 seconds to return to time mode Setting the dive profile sampling rate The NiTek Trio allows you to choose how frequently it samples and stores depth data The data it ...
Page 25: ...o decompression limits and longer decompression stop times Setting Description 0 Calculations are based solely on its built in algorithm Buhlmann ZH L16 1 Calculations are based on one altitude rank higher than the dive was actually made 2 Calculations are based on two altitude ranks higher than the dive was actually made To set the safety factor 1 Repeatedly press Mode until DIVESET is displayed ...
Page 26: ...nformation and warnings regarding current PO2 levels and cumulative exposure to elevated PO2s To do so the NiTek Trio must be set to an FO2 that accurately matches the concentration of oxygen in the gas mixture being breathed Similarly the NiTek Trio is designed to help avoid decompression illness by providing no decompression limits NDLs or mandatory decompression stop information Again to do so ...
Page 27: ... accurately match what you are going to breathe during the dive When the computer is in FO2 default mode the Nitrox symbol and the upper display flashes This indicates that you need to set the percentages for all mixes to the correct FO2 If you go diving when the computer is in FO2 default mode the OLI and PO2 symbols current depth and PO2 value flash and an audible alarm sounds The computer s abi...
Page 28: ...NiTek Trio 24 NiTek Trio Dive Computer User Manual v1 2 Note If you are using the NiTek Trio in Dive Computer mode refer to the section entitled Using Computer Mode for further information and setting procedures ...
Page 29: ...r operation until 48 hours have passed since your last dive In gauge mode you can still set the profile sampling rate salt or fresh water use max depth and dive time alarms For more information see Dive Option Set and Display mode To select and setup gauge operation 1 Repeatedly press Mode until DIVESET is displayed 2 Press Select and either DIVE or GAGE is flashing 3 Press Set to select gage mode...
Page 30: ...r increments Fourteen different dive plan depth increments can be displayed to a maximum depth of 160 feet 48 meters 2 No decompression limit NDL Depending on the depth displayed and the current FO2 setting the available no decompression limit up to a maximum of 200 minutes is displayed If the computer is in FO2 default a series of horizontal lines appears If the NiTek Trio calculates that there i...
Page 31: ...its change automatically based on the depth 3 If you want to exit plan mode press and hold Mode for 1 to 2 seconds to return to time mode WARNING Do not plan dives to depths deeper than those for which the NiTek Trio is capable of displaying an available no decompression limit Doing so could cause you to exceed the no decompression limits or a limiting PO2 of 1 4 atmospheres 1 6 atmospheres for de...
Page 32: ... feature Primary underwater screen When you enter the water the primary screen shows your depth remaining no decompression limit dive time PO2 for selected mix N2 and O2 bar graphs and the ascent rate indicator 1 Ascent rate indicator This is a representation of how fast you are ascending When you are ascending at a safe rate it will display SAFE If you are ascending too fast it will flash the wor...
Page 33: ... bars are displayed it means that you are at or have exceeded the no decompression limits 7 Depth This is the current depth Secondary underwater screens While underwater you can change to the secondary diving mode screens that display additional information When you switch screens temperature maximum depth and mixes are displayed 1 Maximum depth This is the maximum depth that has been reached duri...
Page 34: ...if mix2 or mix3 is not programmed you can not switch mixes To change gases underwater 1 Press and hold MODE for 2 3 seconds The back light turns on and if you are using mix1 mix2 will blink and the mix is displayed If you are using mix2 mix3 will blink and the mix is displayed and so on 2 Press and release SELECT to cycle between mixes 3 Press and hold MODE for 1 2 seconds to select the mix to be ...
Page 35: ...nd alarms 2 Pressing and releasing MODE will toggle the display between current depth dive time etc 3 Press and hold the SET button for 1 2 seconds again to return to the primary diving mode screen To save a heading in the compass 1 Press and hold SELECT for several seconds until the heading display and time is displayed at the top of the screen The saved heading will be displayed to the left of t...
Page 36: ...ning indicated by Nitrox and WATER SET FO2 blinking and dashed line for mix Ascent rate warning The NiTek Trio assumes that you keep your ascent rate within the following limits Depth range Ascent rate 0 to 19 feet 0 to 5 9 meters 26 feet 8 meters per minute 20 to 59 feet 6 to 17 9 meters 39 feet 12 meters per minute 59 feet 18 meters or deeper 52 feet 16 meters per minute If you exceed these asce...
Page 37: ...link Note If the PO2 alarms activate at a depth of 20 feet 6 meters or less you probably have not exceeded the limiting PO2 What is likely is that you forgot to set the FO2 percentages prior to the dive As a result the computer has entered the FO2 default See Understanding FO2 default for more information View 1 PO2 limit warning with PO2 and PO2 value blinking View 2 Exceeded PO2 with OLI graph b...
Page 38: ...ks again OLI ALARM continues to flash until the O2 bar graph drops to seven bars This warning will appear in log mode after the dive If the OLI and PO2 warnings activate at roughly the same time and at relatively shallows depths early in the dive you probably have not exceeded your actual oxygen limits What is likely is that you forgot to set the FO2 percentages prior to the dive and the computer ...
Page 39: ...p symbol The DECO STOP symbols indicate that you need to stop at the depth displayed 2 Deco symbol The DECO symbol displays when you have decompression requirements 3 Required stop time This is the time 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...
Page 40: ...unds twice for three seconds each and the current depth stop depth stop time and DECO AL STOP blink These items continue blinking as long as you remain shallower than the indicated stop depth Note During a deco stop violation the computer s ascent rate warning does not function Caution If you do not correct an indicated deco stop violation the warnings continue for several minutes after surfacing ...
Page 41: ... can not be chosen for 48 hours You cannot select Gauge mode if the computer determines there is still residual nitrogen from a previous dive while in Dive mode or if the surface interval has been less than 10 minutes While in gauge mode underwater there are two screens you can toggle between The primary screen displays depth and time The secondary screen displays maximum depth and temperature Gag...
Page 42: ...and is not user resettable Because of the amount of information the NiTek Trio stores there are three pages that you can toggle between for each dive Each dive is assigned a number beginning with one for the day Each log page displays the log number and the page number making it easy for you to toggle between the dive log pages Page one for a dive in Log mode Page two for a dive in Log mode Page t...
Page 43: ...ture Tthe coldest temperature reached during the dive 14 Average depth This is the average depth reached during the dive 15 Depth graph This is a graphical view of the entire dive Note In this example the altitude rank was 0 while DECO PO2 and SLOW indicators are visible indicating those conditions had been reached and are recorded in the log 16 Dive or Gage The dive was conducted in Dive or Gage ...
Page 44: ... when you scroll through the dives This makes it easy to find the dive profile you want to view Dive Profile mode 1 Dive log entry number This is the dive number that corresponds to the dive number when in log mode 2 Dive time This tells you at what time during the dive you reached the depth indicated 3 Number of dives per day This corresponds to the number of dives per day 4 Depth This is the dep...
Page 45: ...Press Mode again to enter the Profile mode WAIT may be displayed momentarily and then the logged dive information and graph will be displayed 3 Once a dive profile is selected the computer automatically progresses through the different depths and times of the dive 4 If you want to exit profile mode press and hold Mode for 1 to 2 seconds to return to time mode ...
Page 46: ... the particular mode 2 Total dive time This is the total dive time logged on the NiTek Trio in the particular mode 3 Maximum Depth This is the maximum depth reached on the NiTek Trio in the particular mode 4 Dive or Gage Dive modes To view the History 1 Repeatedly press Mode until DIVESET is displayed at the top of the screen 2 Using the Select and Set buttons select either DIVE or GAGE mode for h...
Page 47: ... get certification as well as modify the drivers and installer We apologize for this inconvenience To enter PC Transfer mode 1 Follow the Docking Station instructions to load the NiTek DiveLog software to your PC and to connect the Docking Station to your NiTek Trio dive computer 2 On your NiTek Trio repeatedly press Mode until SET CRADLE is displayed at the top of the screen LINKED will be displa...
Page 48: ...ve Note If you are making repetitive dives you need to pay attention to your surface interval and use it in conjunction with plan mode This ensures that you stay within no decompression limits Note Unless prior dives that day have been conducted on air FO2 of 21 percent the NiTek Trio will reset the gas mixture on following dives to an FO2 of 99 percent if the surface interval is 10 minutes or lon...
Page 49: ...go to any altitude higher than the one you are diving in until it disappears from the screen When the computer finishes calculating your desaturation time and your surface interval time is over 12 hours the no fly symbol turns off If the computer finishes calculating your desaturation time and your surface interval time is not over 12 hours then the no fly symbol stays on until 12 hours of surface...
Page 50: ...e sea level you should find out what the actual altitude of your dive site is Make certain that the altitude settings the NiTek Trio displays accurately match the altitude you are at Notes Do not use the NiTek Trio unless the altitude settings accurately match the actual height above sea level you are diving in Doing so could cause the NiTek Trio to display inaccurate information Do not use the Ni...
Page 51: ... diving at altitudes substantially above sea level you already understand that this should 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 Trio is merely reflecting this fact If the l...
Page 52: ...er Manual v1 2 48 Chapter 3 Care and Maintenance Summary This chapter provides care and maintenance and battery information for the NiTek Trio Content Proper handling techniques 48 Low battery warning 49 Replacing the battery 49 ...
Page 53: ...lay and track depth information The NiTek Trio s Liquid Crystal Display LCD may darken if left in a hot environment such as on a car s dashboard It will return to normal once allowed to cool however extensive exposure to heat may shorten LCD life Be aware that weather related changes in air pressure can cause incorrect display of altitude settings Be sure to check indicated altitude settings again...
Page 54: ... be done by the user The battery must be replaced whenever the low battery symbol fixed or blinking is displayed Note When you replace the battery all data regarding desaturation time and date etc is lost The dive log does not reset To replace the battery 1 Unscrew the clear back cover using a coin in the direction indicated by the arrows 2 Examine the battery and battery housing for signs of corr...
Page 55: ...ing 49 Bookmark 29 Buhlmann 5 button operation 11 C Care and Maintenance 47 proper handling techniques 48 character display toggling 13 clock 5 compass 3 5 Compass calibrating 14 setting heading 15 compass set and display mode 14 Compass using underwater 30 computer mode options 16 using 16 Computer mode 27 current depth 28 gauge mode 36 D date and time 3 deco symbol 34 decompression 4 decompressi...
Page 56: ...centages log mode 38 fresh or salt water use setting 20 fresh water 17 G gas mixes changing underwater 29 gas mixtures 3 gauge mode 23 36 changing screens underwater 36 selecting 23 H History mode 41 viewing 41 I Imperial 4 17 L log 4 log mode 37 viewing 38 M maximum depth 28 gauge mode 36 log mode 38 maximum depth alarm 17 description 18 gauge mode 24 setting 18 maximum time alarm description 19 ...
Page 57: ...g 39 profile sampling rate 17 description 20 gauge mode 24 setting 20 R residual nitrogen 25 28 34 44 S safety factor 17 description 21 setting 21 safety information 6 safety stop 29 salt or fresh water use gauge mode 24 salt water 17 select button 11 set button 11 setpoints 16 setting compass 14 deepstop 19 dive options 16 fresh or salt water use 20 maximum depth alarm 18 maximum time alarm 19 me...
Page 58: ...12 time and date setting 12 time mode 12 entering from another mode 13 setting time and date 12 toggling character display 13 W warnings 6 ascent rate 31 decompression stop violation warning 34 decompression warning 33 default warning 31 diving mode 31 low battery warning 49 oxygen limit 32 PO2 limit warning 32 water fresh or salt 4 salt or fresh water use 20 ...
