Dive Rite NiTek 3 Скачать руководство пользователя страница 1

User Guide

www.diverite.com

Date of purchase:

NiTek3 Dive Computer

NiTek3 Dive Computer

Содержание NiTek 3

Страница 1: ...User Guide www diverite com Date of purchase NiTek3DiveComputer NiTek3DiveComputer ...

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Страница 3: ...s 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 performed...

Страница 4: ...d 10 Accessing display modes and screens 11 Surface mode 12 Setting the dive options 14 Using gauge mode 17 Understanding default mode 18 Plan mode 20 Dive computer mode 22 Gauge mode 29 Surface mode upon surfacing from a dive 30 Log mode 32 Profile mode 34 PC transfer mode 36 Altitude operation 38 Chapter 3 Care and maintenance 41 Proper handling techniques 42 Low battery warning 44 Index 47 ...

Страница 5: ...Summary This chapter provides an overview of the NiTek3 lists the NiTek3 s features and functions and covers warning information that should be read before using your NiTek3 Content Overview 2 Features and functions 3 Specifications 5 Warnings 6 When diving 7 ...

Страница 6: ...to read 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 NiTek3 comes standard with a number of modes including a dive set mode dive plan mode log mode profile mode PC transfer mode and dive mode Note It is extremely important that you carefully read and und...

Страница 7: ... The NiTek3 automatically adjusts for altitudes up to 19 685 feet 6 000 meters The NiTek3 displays a variety of data underwater including date time of day current and maximum depths no decompression dive time elapsed and remaining and water temperature The NiTek3 displays data specifically related to the use of Enriched Air Nitrox EANx including fraction of oxygen FO2 setting partial pressure of o...

Страница 8: ...etermine what display mode or screen you are in at any time The NiTek3 glows in the dark after exposure to light The NiTek3 s memory capability enables it to hold and display log data on up to 10 dives Detailed dive profile information can be stored for each dive through user programmable sample intervals of 5 10 20 30 or 60 seconds longer intervals allow data for a greater number of dives Dive da...

Страница 9: ...m 0 to 48 hrs Diving time from 0 to 599 minutes Ascent rate warning 26 to 52 feet per minute 8 to 16 m Thermometer Measuring range 23 F to 104 F 5 to 40 C Accuracy 4 F 2 C Measurement interval Every minute during dive mode Clock Accuracy 30 sec on average per month 24 hour display Altitude Altitude function monitoring from 0 to 19 685 feet 6 000 m Measurement interval Every 10 minutes Battery Li M...

Страница 10: ...Use of the NiTek3 in conjunction with Enriched Air Nitrox EANx requires that divers be trained and certified for Nitrox diving The NiTek3 is not intended for use by commercial or military divers whose activities may take them beyond the commonly accepted depth limits for recreational or technical diving Although the NiTek3 is capable of calculating decompression stop requirements users must rememb...

Страница 11: ... to you use the NiTek3 and other dive computers or dive tables with even greater caution Experts still know surprisingly little regarding the exact nature and causes of decompression illness also known as decompression sickness DCI or DCS Susceptibility to DCI may vary substantially from person to person and from day to day Neither the NiTek3 nor any other dive table or computer can guarantee that...

Страница 12: ...uter Take a back up dive computer or dive tables along with a separate means of monitoring depth and dive time Be aware that the NiTek3 makes assumptions regarding residual nitrogen based on altitude settings Avoid making abrupt changes in altitude following a dive as doing so may be very dangerous ...

Страница 13: ...e computer for metric or Imperial 13 Setting the dive options 14 Setting the dive profile sampling rate 14 Setting for fresh or salt water use 15 Setting mix1 through mix3 gas percetanges 15 Using gauge mode 17 Understanding default mode 18 Plan mode 20 Dive computer mode 22 Dive mode screen 22 Changing gas mixes underwater 23 Warnings while in diving mode 24 Gauge mode 29 Surface mode upon surfac...

Страница 14: ...mixes are set 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 NiTek3 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 complete the requ...

Страница 15: ...buttons A and B 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 A button This button is used to select and scroll through the different modes such as plan mode and locks in setting values when set...

Страница 16: ...acing from a dive and Altitude operation 2 3 1 4 1 Date This is the month and day The first digit is the month and the second digit is the day For example 1 24 represents the twenty fourth day of January 2 Time of day This is the time of day expressed in hours and minutes Time is displayed in 24 hour military format 3 Altitude This is the current altitude you are at See Altitude operation for more...

Страница 17: ...etric Imperial field flashes See the topic below for more information Setting the computer for metric or Imperial operation The NiTek3 can calculate and give you values in Imperial units or metric units When in Imperial depth values are expressed in feet and temperatures are expressed in Fahrenheit F When in metric depth values are expressed in meters and temperatures are expressed in Celsius C To...

Страница 18: ...e temperature etc data The data it samples and stores is used in profile mode or when the data is uploaded to a personal computer There are five sampling rates to choose from 5 10 20 30 or 60 seconds The faster the sampling rate the more detailed the dive profile but because it stores more information fewer dives can be stored The slower the sampling rate the less detailed the dive profile but it ...

Страница 19: ...ts etc To set for fresh or salt water use 1 Press and hold button A for ten seconds The profile sampling rate flashes 2 Press button A to select the fresh or salt water field The F or S flashes 3 Press button B to select fresh F or salt S water use 4 When finished press button A to return to surface mode Setting mix1 through mix3 gas percentages You must set the breathing mix you plan on using on ...

Страница 20: ... percentages rapidly 3 Press button A to select mix2 4 Press button B to change mix2 Press and hold button B to increase the percentages rapidly 5 Press button A to select mix3 6 Press button B to change mix3 Press and hold button B to increase the percentages rapidly 7 When finished press button A to return to surface mode ...

Страница 21: ... are relying solely on dive tables for decompression information The operating depth limit when in gauge operation is 656 feet 200 meters Note You cannot select gauge operation if the computer calculates that there is still residual nitrogen remaining from a previous dive Also you cannot return to dive computer operation until 24 hours have passed since your last dive in gauge mode To select gauge...

Страница 22: ...curately matches the concentration of nitrogen being breathed When this information is not available the NiTek3 attempts to protect divers by basing its oxygen and nitrogen exposure calculations on a worst case assumption This is that calculations are based on a mixture containing up to 79 percent nitrogen and 99 percent oxygen This worst case calculation is what is referred to as the FO2 default ...

Страница 23: ...ng to breath during the dive When the computer is in FO2 default mode dashed lines appear in place of the gas percentage and NDL This indicates that you need to set the gas percentages to the correct FO2 If you go diving when the computer is in FO2 default mode the NiTek3 s alarm sounds and the O2 bar graph and PO2 Limit symbols flash The computer s ability to accurately monitor your exposure to o...

Страница 24: ... the initial depth displayed is 30 feet 9 meters You can advance the depth in 10 foot 3 meter 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 i...

Страница 25: ...shes 4 Press button A to select a mix number 5 Press button B The computer automatically scrolls through the available depth and NDLs for the gas mix that is selected To quickly scroll the depths press button B to advance the depth The no decompression time limits change automatically based on the depth 6 The computer automatically returns to surface mode when it scrolls through the last depth WAR...

Страница 26: ... information and warnings if needed Dive mode screen When you enter the water the screen shows your depth remaining no decompression limit dive time max depth PO2 for selected mix mix number O2 percentages for gas selected and the OLI and nitrogen bar graphs 1 2 3 4 5 6 7 8 1 Depth This is the current depth 2 Maximum depth This is the maximum depth that has been reached during the dive 3 PO2 This ...

Страница 27: ... programmed for that mix number 8 Residual nitrogen bar graph This is how much nitrogen the computer assumes your body has absorbed There are a maximum of nine bars When all bars are displayed it means that you are at or have exceeded the no decompression limits Changing gas mixes underwater Because the NiTek3 has the ability to use three different gas mixes during a dive you need the ability to s...

Страница 28: ...that you should be alert to Decompression warning Default warning Ascent rate warning PO2 limit warning Oxygen limit index OLI warning Decompression stop violation warning Out of range warning Decompression warning If you exceed the no decompression limits the computer enters decompression mode An audible alarm sounds for three seconds indicating that you have decompression stop requirements Cauti...

Страница 29: ... time This is the total amount of time in minutes you must spend at the decompression stops and the ascent time between decompression stops Note The total ascent time and max depth toggle back and forth 5 N2 bar graph This is how much nitrogen the computer assumes your body has absorbed There are a maximum of nine bars When all bars are displayed it means that you are at or have exceeded the no de...

Страница 30: ...The warning displays until you slow your ascent to an acceptable rate or you reach 5 feet 1 5 meters PO2 limit warning The PO2 warning indicates that you have exceeded the 1 6 atmospheres for the gas you are breathing When you reach 90 percent of the PO2 limit of 1 6 atmospheres an audible alarm sounds for three seconds and PO2 and depth flashes for three seconds If you continue to descend and exc...

Страница 31: ...ive Note Should the OLI and PO2 warnings activate at roughly the same time and at relatively shallows depths early in the dive you most likely have not exceeded your actual oxygen limits What has happened is that you forgot to set the FO2 percentages prior to the dive and the computer has FO2 defaulted See Understanding default mode for more information Decompression stop violation warning A decom...

Страница 32: ...e out of range warning consists of The audible alarm sounds for ten seconds The entire screen flashes WARNING A NiTek3 displaying an out of range warning is incapable of displaying other critical information such as depth time ascent rate PO2 OLI and deco stop violations and required decompression stops For this reason you should not under any circumstance use a NiTek3 in such a way that would cau...

Страница 33: ...red when the computer enters the water It begins displaying depth and time once you descend below 5 feet 1 5 meters Note To enter and set up gauge mode operation see Using gauge mode While in gauge mode underwater depth and time is displayed While in gauge mode on the surface surface interval time is displayed ...

Страница 34: ...it is no longer needed or after 24 hours have passed since the last dive 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 2 1 4 3 1 Surface interval time This is the amount of time you have spent on the surface since your last dive if there is residual nitrog...

Страница 35: ...osure 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 WARNING It is recommended that you wait at least 24 hours following any dive before flying in an aircraft or driving to altitude Failure to allow sufficient surface interval time before doing so may increase your risk of decompression illness DCI ...

Страница 36: ...red Because of the amount of information the NiTek3 stores there are two pages that you can toggle between for each dive Each dive is assigned a number and has a date for the day Each log page displays the log number making it easy for you to toggle between the dive log pages 2 7 8 1 3 4 5 6 Page one for a dive in log mode 10 9 Page two for a dive in log mode 1 Log entry number This is the sequenc...

Страница 37: ... of residual nitrogen in your body at the end of the dive 6 O2 OLI bar graph This indicates CNS toxicity level at the end of the dive 7 Dive time This is the actual bottom time for the dive 8 Gas mixes used These are the gas mixes that you used during the dive 9 Temperature This is the coldest temperature reached during the dive 10 Max depth This is the maximum depth reached during the dive To vie...

Страница 38: ...or 60 second intervals during a dive This must be set before a dive Refer to Setting the dive profile sampling rate for more information 1 2 3 4 1 Dive log number This is the dive number that corresponds to the dive number when in log mode 2 Gas mix number and gas percentage This is the gas mix number that was used on the dive and the FO2 gas percentage that was set for that mix number 3 Dive time...

Страница 39: ...e that you want to view profile data 3 Press button A The arrow at the bottom of the screen points to PROF Note Once a dive profile is selected the computer automatically progresses through the different depths and times of the dive 4 When finished press button A to return to surface mode ...

Страница 40: ...f the cable supplied with the interface into a COM port on your PC Plug the other end into the interface module Set the NiTek3 to PC transfer mode as described below Place the NiTek3 on the interface module and secure the strap over the computer Click the computer icon in NiTekLogic A dialog box should appear indicating the beginning of data transfer If it is not uploading check your COM port sett...

Страница 41: ... screen points to LOG 2 Press button A The arrow at the bottom of the screen points to PROF 3 Press and hold button B for five seconds Arrows at the bottom of the screen point to LOG and PROF 4 Transfer the dive log data to your PC 5 When finished press button B to return to profile mode 6 Press button A to return to surface mode ...

Страница 42: ...2 297 to 5 906 feet 700 to 1 800 meters 2 4 593 to 8 530 feet 1 400 to 2 600 meters 3 7 546 to 19 685 feet 2 300 to 6 000 meters ERR Out of range above 19 685 feet 6 000 meters Prior to using the NiTek3 at altitudes substantially above sea level you should find out what the actual altitude of your dive site is Make certain that the altitude settings the NiTek3 displays accurately match the altitud...

Страница 43: ...ay 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 the altitude specialty diver training which everyone should do before 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...

Страница 44: ...Using the NiTek3 40 NiTek3 Dive Computer User Manual ...

Страница 45: ... User Manual 41 Chapter 3 Care and maintenance Summary This chapter provides care and maintenance and battery information for the NiTek3 Content Proper handling techniques 42 Low battery warning 44 Replacing the battery 44 ...

Страница 46: ...o Do not transport your NiTek3 on an aircraft or take it to altitude while it is sealed in an air tight container or in a damp environment Doing so may interfere with its ability to correctly read display and track depth information The NiTek3 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 exte...

Страница 47: ...l substances Do not use compressed air to dry the NiTek3 Do not use the NiTek3 in hyperbaric chambers if the device is not fully submerged in water Always rinse the computer with freshwater after use Store the NiTek3 in a cool dry location After diving wipe the computer dry and store it in a location separate from other damp items ...

Страница 48: ... battery that is left in a NiTek3 for a long period of time may leak Replace batteries promptly Replacing the battery Battery replacement is an easy operation that can 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 Never replace the battery wh...

Страница 49: ...signs of corrosion Wipe off any sand or dirt from the cover and o ring using a cotton swab soaked in denatured alcohol 4 Remove the old battery 5 Clean the new battery s contacts with the pencil eraser 6 Remove the o ring from its slot Be careful not to damage the o ring 7 Install the new battery making sure that the polarity is correct 8 Clean the o ring and place a thin layer of silicone grease ...

Страница 50: ...Care and maintenance 46 NiTek3 Dive Computer User Manual ...

Страница 51: ...mode 22 D date 12 log mode 33 date and time 3 deco stop symbol 25 decompression stop violation warning 27 decompression warning 24 default mode 18 surface mode 12 default warning 25 depth 3 20 22 maximum 22 profile mode 34 stop depth 25 depth sensor 5 desaturation time 30 descent time log mode 33 dive log 4 5 dive mode 22 dive mode screen 22 dive option set 14 dive profile 4 dive time 23 log mode ...

Страница 52: ...tion 13 setting 13 mix changing underwater 23 mix number 20 mixes 5 15 N N2 bar graph 23 25 31 log mode 33 NDL 20 23 no decompression limit 20 23 O OLI 23 31 log mode 33 out of range warning 28 oxygen limit index 23 31 oxygen limit index warning 27 P PC transfer mode 4 36 entering 37 percentages mixes 15 plan mode 20 PO2 22 PO2 limit warning 26 profile 4 profile mode 34 viewing 34 profile sampling...

Страница 53: ... temperature log mode 33 thermometer 5 time stop time 25 time and date 12 time and date setting 12 time mode setting time and date 12 time of day 12 W warnings 6 ascent rate 26 decompression stop violation warning 27 decompression warning 24 default warning 25 diving mode 24 low battery warning 44 out of range warning 28 oxygen limit index 27 PO2 limit warning 26 water fresh or salt 4 salt or fres...

Страница 54: ...Index 50 NiTek3 Dive Computer User Manual ...

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