Suunto D4i User Manual Download | Manualshive

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UP BUTTON TOGGLES

BETWEEN DIVE TIME AND

WATER TEMPERATURE.

6.1.2. Bookmark

It is possible to record bookmarks in the profile memory during a dive. These bookmarks
are displayed when scrolling the profile memory on the display. The bookmarks are
also shown as annotations in the downloadable Suunto DM4 with Movescount software.
To make a bookmark in the profile memory during a dive, press the SELECT button.
A brief confirmation will be given.

A BOOKMARK IS PLACED

IN THE PROFILE MEMORY
DURING A DIVE BY PRESSING

THE SELECT BUTTON.

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Summary of Contents for D4i

Page 1: ...User s Guide en Suunto D4i ...

Page 2: ...1 Setting the alarm 21 4 1 2 Setting the time 22 4 1 3 Setting the dual time 22 4 1 4 Setting the date 22 4 1 5 Setting the units 23 4 1 6 Setting the backlight 23 4 1 7 Setting the contrast 24 4 1 8 Setting the tones 24 4 2 Stopwatch 25 4 3 AC water contacts 26 5 BEFORE DIVING 27 5 1 The Suunto RGBM 27 5 2 Emergency ascents 28 5 3 Dive computer limitations 28 5 4 Nitrox 29 5 5 Freediving 29 5 6 A...

Page 3: ... 4 Setting the tank pressure alarm 45 5 9 5 Setting the depth alarm 45 5 9 6 Setting the depth notify alarm FREE mode 46 5 9 7 Setting the dive time alarm 46 5 9 8 Setting the surface time notify alarm FREE mode 47 5 9 9 Setting the sample rate 47 5 9 10 Setting the deep stops 48 5 9 11 Setting the units 48 5 10 Activation and pre checks 49 5 10 1 Accessing DIVE mode 49 5 10 2 DIVE mode activation...

Page 4: ...63 6 1 5 Stopwatch Timer 64 6 1 6 Decompression dives 65 6 2 Diving in the NITROX mode DIVE Nitrox 70 6 2 1 Before diving in the NITROX mode 70 6 2 2 Oxygen displays 71 6 2 3 Oxygen limit fraction OLF 73 6 3 Diving in the FREE mode DIVE Free 73 6 3 1 Day History 74 6 3 2 Free dive time limit 76 7 AFTER DIVING 77 7 1 Surface interval 77 7 2 Dive numbering 78 7 2 1 FREE Dive 79 7 3 Repetitive dive p...

Page 5: ...R 89 9 BATTERY REPLACEMENT 94 9 1 Wireless transmitter battery replacement 94 9 1 1 Transmitter battery kit 95 9 1 2 Required tools 95 9 1 3 Replacing the transmitter battery 95 10 TECHNICAL DATA 98 10 1 Technical specifications 98 10 2 RGBM 101 10 2 1 Suunto RGBM adaptive decompression 102 10 2 2 No decompression limits for air 103 10 2 3 Altitude diving 105 10 3 Oxygen exposure 106 11 INTELLECTU...

Page 6: ...2 DISCLAIMERS 108 12 1 User s responsibility 108 12 2 CE 108 13 SUUNTO LIMITED WARRANTY FOR SUUNTO DIVING COMPUTERS AND SUUNTO DIVING COMPUTER ACCESSORIES 109 14 DISPOSAL OF THE DEVICE 114 GLOSSARY 115 7 ...

Page 7: ... pressure status is available on one easy to read display The Suunto D4i User s Guide contains vitally important information which enables you to become familiar with your Suunto wristop dive computer To understand the use displays and limitations of the instrument before using it please read this user s guide carefully and save it for further reference Note also that a glossary is included at the...

Page 8: ... go on to read the user s guide itself it is extremely important that you read the following warnings These warnings are intended to maximize your safety while using Suunto D4i and must not be ignored WARNING READ THIS user s guide Carefully read this user s guide in its entirety paying close attention to all the warnings listed below including Section 5 BEFORE DIVING Ensure that you fully un ders...

Page 9: ...oper dive training In sufficient or improper training may cause you to commit errors that may lead to serious injury or death WARNING THERE IS ALWAYS A RISK OF DECOMPRESSION ILLNESS DCI FOR ANY DIVE PROFILE EVEN IF YOU FOLLOW THE DIVE PLAN PRESCRIBED BY DIVE TABLES OR A DIVE COMPUTER NO PROCEDURE DIVE COMPUTER OR DIVE TABLE CAN PREVENT THE POSSIBILITY OF DCI OR OXYGEN TOXICITY An individual s phys...

Page 10: ...TER SHOWS YOU THAT A DECOMPRESSION STOP IS REQUIRED Note the blinking ASC TIME symbol and the upward pointing ar row WARNING USE BACK UP INSTRUMENTS Ensure that you use back up instrumentation including a depth gauge submersible pressure gauge timer or watch and have access to decompression tables whenever diving with the dive computer WARNING PERFORM PRE CHECKS Always activate and check the devic...

Page 11: ...EEN USERS WHILE IT IS IN OPERATION Its information will not apply to someone who has not been wearing it throughout a dive or sequence of repetitive dives Its dive pro files must match that of the user If it is left on the surface during any dive the dive computer will give inaccurate information for subsequent dives No dive computer can take into account dives made without the computer Thus any d...

Page 12: ...OMPUTER WILL NOT ACCEPT FRACTIONAL PERCENTAGE VALUES OF OXYGEN CONCENTRATION DO NOT ROUND UP FRACTIONAL PERCENTAGES For example 31 8 oxygen should be entered as 31 Rounding up will cause nitrogen percentages to be understated and will affect decompres sion calculations If you want to adjust the computer to provide more conservative calculations use the personal adjustment feature to affect decompr...

Page 13: ...eous dive and planning data WARNING SET THE CORRECT PERSONAL ADJUSTMENT SETTING MODE Whenever it is believed that factors that tend to increase the possibility of DCI exist it is recommended that you use this option to make the calculations more conservative Failure to select the correct Personal Adjustment setting will result in erro neous dive and planning data WARNING This device contains a Lit...

Page 14: ...ment has counted down the no fly time There is one exception to this You can change from AIR to NI TROX mode even during the no fly time When planning both air and nitrox dives during the same dive series you should set the instrument in NITROX mode and modify the gas mix accordingly 15 ...

Page 15: ...bar graph Wireless Transmission Indicator Date Dual Time Maximum Depth O2 Nitrox Mode Time Tank Pressure Active Water Contact Indicator Current Time Display Mode Indicator No Decompression Time T otalAscent Time Ceiling Depth Remaining Air Time Safety Deep Stop Time Surface Interval Time No Fly Time Tissue Saturation Graph Seconds Display Stopwatch Weekday Dive Time Dive Number T emperature PO2 Ni...

Page 16: ...lect a submode in DIVE and MEM modes press the UP DOWN buttons SETTINGS Alarm Time Dual Time Date Units Backlight Contrast Tones SUB MODES Air Nitrox Free SETTINGS Nitrox Personal Altitude Tank Press Pairing Tank Press Alarm Depth Alarm Depth Notify Alarm Dive Time Alarm Surface Time Notify Alarm Sample Rate Deepstop Units TIME DIVE PLAN MEM SUB MODES Logbook History LIGHT LIGHT LIGHT LIGHT 17 ...

Page 17: ...ss Button Symbol Switch between main modes Switch from submode to main mode Activate backlight in DIVE mode Short MODE Activate backlight in other modes Activate stopwatch in DIVE mode Long MODE Select a submode Select and accept settings Select stopwatch to stop or start in DIVE mode Displays Day History in FREE mode free dive mode Short SELECT Toggle between alternative displays Change submode I...

Page 18: ...Main functions Press Button Symbol Toggle between alternative displays Change submode Decrease values Change shortcuts in TIME and DIVE modes Short DOWN Enter Setting mode Long DOWN 19 ...

Page 19: ...s you want it BEFORE getting into the water 4 1 TIME mode settings The figure below shows how to toggle between different shortcuts in the TIME mode U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E NOTE The seconds display reverts to date display after 5 minutes in order to save battery p...

Page 20: ... O D E U P D O W N S E L E C T M O D E USE UP AND DOWN BUTTONS TO TOGGLE BETWEEN ALARM TIME DUAL TIME DATE UNITS CONTRAST AND TONES 4 1 1 Setting the alarm The dive computer has a daily alarm function When the daily alarm activates the screen blinks and the alarm sounds for 60 seconds Press any button to stop the alarm ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 21 ...

Page 21: ...al time In the Dual Time setting mode you are able to select the hour and minute of a dual time which is useful when traveling to a different time zone U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 4 1 4 Setting the date In the Date setting mode you are able to set the year month and day The day of the week is automaticall...

Page 22: ...e units are displayed in either the metric or imperial system meters feet Celsius Fahrenheit and so on ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 4 1 6 Setting the backlight In the Backlight setting mode you are able to turn the backlight ON or OFF and to define how long it stays on for 5 10 20 30 or 60 seconds When the backlight is turned OFF it does not illuminate when an alarm so...

Page 23: ...ode you are able to set the contrast of the display the value range is between 0 and 10 U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON U P D O W N S E L E C T M O D E 4 1 8 Setting the tones In the Tones setting mode you are able to activate or deactivate the tones 24 ...

Page 24: ...larms 4 2 Stopwatch The Stopwatch function in Suunto D4i measures elapsed and split times U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E USE DOWN BUTTON TO START STOPWATCH AND TAKE A SPLIT TIME THE UP BUTTON STOPS THE STOPWATCH AND LONG PRESSING IT RESETS IT 25 ...

Page 25: ...The AC text is shown until the water contact deactivates AC APPEARS IN THE TOP RIGHT CORNER OF THE DISPLAY WHEN THE DIVE COMPUTER IS IN CONTACT WITH WATER THIS ALSO ACTIVATES THE DIVE MODE Contamination or dirt on the water contact may prevent this automatic activation Therefore it is important that the water contact is kept clean The contact can be cleaned with fresh water and a soft brush for ex...

Page 26: ... including training in the principles of decompres sion WARNING Diving with gas mixtures exposes you to risks that are different from those associated with diving with standard air These risks are not obvious and require training to understand and avoid Risks include possible serious injury or death Do not attempt to dive with any gas mix other than standard air without first receiving certified t...

Page 27: ...ese steps 1 Assess the situation calmly and then move promptly to less than 18 m 60 ft 2 At 18 m 60 ft slow down your ascent rate to 10 m 33 ft per minute and move to a depth between 3 and 6 m 10 and 20 ft 3 Stay there for as long as your air supply will safely allow After reaching the sur face do not dive for at least 24 hours 5 3 Dive computer limitations While the dive computer is based on curr...

Page 28: ...st the dive plan in order to maintain oxygen exposure within reasonably safe limits In addition to the physiological effects of enriched air on the body there are operational considerations to be addressed when handling altered breathing mixes Elevated concentrations of oxygen present a fire or explosion hazard Consult the manufacturer of your equipment to check its compatibility with nitrox 5 5 F...

Page 29: ... hours after scuba diving WARNING Suunto also recommends that you receive training in freediving techniques and physiology before conducting breath hold dives No dive computer can replace the need for proper dive training Insufficient or improper training may cause a diver to commit errors that may lead to serious injury or death 5 6 Audible and visual alarms The dive computer has audible and visu...

Page 30: ...rm breaks in order to save battery Table 5 3 Audible and visual alarm types Alarm reason Alarm type PO2 value is greater than the adjusted value Current depth is too deep for the gas in use You should imme diately ascend or change to a gas with a lower oxygen percentage High priority alarm followed by Start ascending beep repeated for the maximum of three minutes The PO2 value blinks 31 ...

Page 31: ...h priority alarm sounded three times The SLOW sym bol blinks No decompression dive turns into a decompression stop dive Depth is below the decompression floor level You should ascend to or above the floor Low priority alarm followed by Start ascending beep sounded two times The ASC TIME symbol blinks and an arrow points upwards Mandatory Deep Stop is violated You should descend to complete the Dee...

Page 32: ...ure reaches the selected alarm pressure 10 200 bar 200 2900 psi Cylinder pressure reaches the fixed alarm pressure 50 bar 700 psi This alarm operates only if the pairing to the wireless tank pres sure transmitter is performed correctly and the trans mission of tank pressure data is not disrupted during the dive for any reason You can acknowledge the alarm Low priority alarm sounded two times The T...

Page 33: ... Dive time value blinks Indicates reaching a certain depth In the DIVE Free mode only You can acknowledge the alarm Low priority alarm sounded once The Maximum depth value blinks Indicates the length of the surface time before a new dive In the DIVE Free mode only You can acknow ledge the alarm Low priority alarm sounded once The Surface time value blinks NOTE When the backlight is turned OFF it d...

Page 34: ...risk of DCI has greatly increased If you understand the dive computer and operate it sensibly it is very unlikely you will ever put the instrument into the Error mode Descent at the rate of 10 m min is included in the time The times allow for a safe ascent using the bottom gas all the way to the surface without exceeding tissue pressures Omitted decompression The Error mode results from omitted de...

Page 35: ... order to use the transmitter the wireless integration needs to be enabled in your Suunto D4i settings To enable or disable the wireless integration refer to Section 5 9 3 Setting the tank pressure pairing 5 8 1 Installing the wireless transmitter When purchasing the Suunto D4i we strongly recommend that you have your Suunto representative attach the transmitter to the first stage of your regulato...

Page 36: ...sure values that are received with that code This coding procedure prevents data mix up from other divers also using a Suunto wireless transmitter When there is no stored code the Suunto D4i displays cd and receives data with lowered sensitivity from a very short distance only By taking the Suunto unit close to the transmitter it will store the received code and start receiving with full sensitivi...

Page 37: ...ted code number and then start displaying the transmitted cylinder pressure The wireless transmitter indicator flash symbol is displayed every time the Suunto D4i receives a valid signal WARNING If there are several divers using Suunto D4i with wireless trans mission always ensure that each diver is using a different code before starting the dive In case there are several divers using the same cod...

Page 38: ...sing the UP button toggle from Ok to Clear and press the SELECT button 3 Short press the MODE button to exit the DIVE settings 4 Take the Suunto D4i unit close to the transmitter the system must be pressurized to above 15bar 300 psi The dive computer displays the received new code number and then start displaying the transmitted cylinder pressure The wireless transmitter indicator flash symbol is ...

Page 39: ...de stored Suunto D4i ready for pairing with transmitter Cd B Set Code Code number can be between 01 32 Cd 10 C Pressure reading over 360 bar 5220 psi D Pressure reading has not been updated for more than one minute The latest valid pressure reading is displayed intermittently Transmitter is out of range in power saving mode or on another channel Activate the transmitter by breathing off the regula...

Page 40: ...e DIVE mode settings are dependent on the dive submode chosen AIR NITROX FREE so that for example nitrox settings are only available in the NITROX submode The table below shows what DIVE settings are available in each DIVE submode Table 5 5 FREE mode NITROX mode AIR mode Setting X Nitrox X X Personal Altitude X X Tank pressure pairing X X Tank pressure alarm X X X Depth alarm 41 ...

Page 41: ...mple rate X X Deep stop X X X Units The figure below shows how to enter the DIVE mode settings menu U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E USE UP AND DOWN BUTTONSTO TOGGLE BETWEEN DIVE SETTINGS 42 ...

Page 42: ...artial pressure limit must be set When in the NITROX setting mode the maximum operating depth MOD based on the chosen setting will also be displayed The default oxygen percentage O2 setting is 21 air and oxygen partial pressure PO2 setting 1 4 bar U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON NOTE If the oxygen content of ...

Page 43: ...P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 5 9 3 Setting the tank pressure pairing In the Tank Pressure Pairing setting mode the wireless transmission can be set ON or OFF depending on whether the wireless pressure transmitter is used or not When the wireless transmission is set OFF no cylinder pressure related data is sh...

Page 44: ...imit You can acknowledge this alarm The 50 bar 700 psi alarm however is fixed and cannot be changed You cannot ac knowledge this alarm TANK PRESSURE HAS DROPPED BELOW 50 BAR AND THE REMAINING AIR TIME IS 4 MINUTES THE DISPLAY BLINKS AND THERE IS AN AUDIBLE ALARM 5 9 5 Setting the depth alarm The Depth Alarm setting is factory set to 30 m 100 ft but you can adjust it according to your personal pref...

Page 45: ...e Depth Notify Alarm setting to indicate a certain depth for example start of free falling or mouth filling in freediving U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 5 9 7 Setting the dive time alarm The Dive Time Alarm setting can be activated and used for several purposes to add to your diving safety 46 ...

Page 46: ...mode You can set the Surface Time Notify Alarm to indicate the length of the surface time before a new dive Suunto D4i starts counting the time automatically when you surface at 0 5 m 1 6 ft U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 5 9 9 Setting the sample rate The Sample Rate setting controls how often the depth tank...

Page 47: ...the deep stops In the AIR mode in the Deep Stops setting mode the Deep stops can be set ON or OFF depending on whether the Deep stops are used or not U P D O W N S E L E C T M O D E U P D O W N S E L E C T M O D E ADJUST WITH UP AND DOWN BUTTONS ACCEPT WITH SELECT BUTTON 5 9 11 Setting the units In the Unit settings you are able to choose between metric meters Celsius bar and imperial feet Fahrenh...

Page 48: ...to activate the DIVE mode and explains the pre checks that it is highly recommended you perform before you get into the water 5 10 1 Accessing DIVE mode The Suunto D4i has three diving modes AIR mode for diving with standard air only NITROX mode for diving with oxygen enriched mixtures and FREE mode for freediving 49 ...

Page 49: ...r the battery power indicator is shown as well as the maximum operating depth MOD 66 2 m O2 21 and PO2 1 6 value A few seconds later the battery power indicator is shown WARNING SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS LIMIT THEIR MAXIMUM DEPTH TO 40 M 130 FT Exposure to greater depths increases the risk of oxygen toxicity and decom pression sickness U P D O W N S E L E C T M O D E U P D O W N...

Page 50: ...ressure limit is set correctly For more information on the NITROX mode please refer to Section 6 2 Diving in the NITROX mode DIVE Nitrox The dive computer is now ready for diving 5 10 3 Battery power indication Temperature or internal oxidation of the battery affect the battery voltage If the instru ment is stored for a long period or used in cold temperatures the low battery warning may be displa...

Page 51: ...ving at altitude The dive computer can be adjusted both for diving at altitude and also to increase the conservatism of the mathematical nitrogen model When programming the instrument for the correct altitude you need to select the correct Altitude Adjustment settings according to Table 5 6 Altitude Adjustment settings The dive computer will adjust its mathematical model according to the entered a...

Page 52: ... to the new altitude by waiting at least three 3 hours before diving 5 10 5 Personal adjustments There are personal factors that can affect your susceptibility to DCI which you can predict in advance and input into the decompression model Such factors vary between divers and also for the same diver from one day to another There is available a three step Personal Adjustment setting if a more conser...

Page 53: ... retain the default setting P0 If conditions are more difficult or any of the factors which tend to increase the possibility of DCI exist select P1 or even the most conservative P2 The dive computer then adjusts its mathematical model according to the entered Personal Ad justment setting giving shorter no decompression times refer to Section 10 2 2 No decompression limits for air Table 10 1 No dec...

Page 54: ...rforming a Safety Stop in clude reducing sub clinical DCI microbubble reduction ascent control and orientation before surfacing The Suunto D4i displays two different types of Safety Stops Recommended Safety Stop and Mandatory Safety Stop 5 11 1 Recommended Safety Stops With every dive over 10 meters there is a three minute countdown for the Recommen ded Safety Stop to be taken in the 3 6 m 10 20 f...

Page 55: ...ted to be more than is allowed for in the decompression model The Suunto RGBM calculation model responds to this by adding a Mandatory Safety Stop to the dive The time of this Mandatory Safety Stop depends on the severity of the ascent rate excess The STOP sign is shown in the display and when you reach the depth zone between 6 m and 3 m 20 ft and 10 ft the CEILING label ceiling depth and the calc...

Page 56: ... to or below the Mandatory Safety Stop ceiling depth If you correct this situation at any time during the dive there are no effects on the decompression calculations for future dives WHEN CEILING AND STOP ARE DISPLAYED WITH DOWNWARD POINTING ARROW IMMEDIATELY WITHIN 3 MINUTES DESCEND TO OR BELOW CEILING If you continue to violate the Mandatory Safety Stop the tissue calculation model is affected a...

Page 57: ...her Deep stop will be prompted halfway to the ceiling and so on until the ceiling depth is reached DURING DESCENT YOU RE SHOWN THAT A DEEPSTOP IS NEEDED AT THE DEPTH OF 16 M DURING ASCENT YOU RE ADVICED TO MAKE A DEEP STOP AT 16 M FOR THE DURATION SHOW BY THE TIMER 42 S REMAINING If a deep stop is violated it does not cause the dive computer to go into an error Er mode However a penalty time is ad...

Page 58: ... 5 10 1 Accessing DIVE mode DIVE HAS JUST BEGUN AND AVAILABLE NO DECOMPRESSION TIME IS OVER 99 MINUTES SO NO VALUE IS DISPLAYED NOTE The dive computer will remain in the SURFACE mode at depths less than 1 2 m 4 ft At depths greater than 1 2 m 4 ft the instru ment will go into the DIVE mode automatically However it is re commended that you activate the SURFACE mode manually before entering the wate...

Page 59: ...E DISPLAY PRESENT DEPTH IS 15 M NO DECOMPRESSION STOP TIME LIMIT 46 MIN MAXIMUM DEPTH DURING THIS DIVE WAS 21 5 M ELAPSED DIVE TIME 22 MIN Alternative displays by pressing the UP DOWN buttons show the elapsed dive time in minutes shown as DIVE TIME the water temperature in C F the maximum depth during this dive in meters feet indicated as MAX the current time shown as TIME DOWN BUTTON TOGGLES BETW...

Page 60: ...e displayed when scrolling the profile memory on the display The bookmarks are also shown as annotations in the downloadable Suunto DM4 with Movescount software To make a bookmark in the profile memory during a dive press the SELECT button A brief confirmation will be given A BOOKMARK IS PLACED IN THE PROFILE MEMORY DURING A DIVE BY PRESSING THE SELECT BUTTON 61 ...

Page 61: ...PRESSURE IS 165 BAR AND THE REMAINING AIR TIME IS 52 MINUTES The change in your air consumption is based on constant one second interval pressure measurements over 30 60 second periods An increase in air consumption influences the remaining air time rapidly while a drop in air consumption increases the air time slowly In this way an over optimistic air time estimation caused by a temporary drop in...

Page 62: ...w Air Pressure Warnings The dive computer will warn you with three 3 audible double beeps and a blinking pressure display when the cylinder pressure reaches 50 bar 700 psi Three 3 double beeps are also heard when the cylinder pressure goes down to the user selected alarm pressure and when the remaining time reaches zero 6 1 4 Ascent rate indicator The ascent rate is displayed graphically along the...

Page 63: ...ed Safety Stops after you have ex ceeded the maximum recommended ascent rate If this Mandatory Safety Stop is not completed the decompression model will penalize your next dive s Continuous ascent rate violations will result in Mandatory Safety Stops When Recommended Deep Stop is enabled the length is indicated in seconds 6 1 5 Stopwatch Timer You can also use a stopwatch during diving for various...

Page 64: ...ovide the decompression information required for ascent After this the instrument will continue to provide subsequent interval and repetitive dive information Rather than requiring you to make stops at fixed depths the dive computer lets you decompress within a range of depths continuous decompression The ascent time ASC TIME is the minimum amount of time needed to reach the surface in a decompres...

Page 65: ...s important that you understand the meaning of ceiling floor and decompression range The ceiling is the shallowest depth to which you should ascend when in decom pression At this depth or below you must perform all stops The ceiling zone is the optimum decompression stop zone It is the zone between the minimum ceiling and 1 2 m 4 ft below the minimum ceiling The floor is the deepest depth at which...

Page 66: ...ant depth near the surface In such cases it is more manageable to maintain an additional distance below the ceiling to ensure that the waves do not lift you above the ceiling Suunto recom mends that decompression takes place deeper than 4 m 13 ft even if the indicated ceiling is shallower NOTE It will take more time and more air to decompress below the ceiling than at the ceiling WARNING NEVER ASC...

Page 67: ...r UPWARD POINTING ARROW BLINKING ASC TIME AND AN ALARM TELL YOU TO ASCEND MINIMUM TOTAL ASCENT TIME INCLUDING SAFETY STOP IS 9 MINUTES CEILING IS AT 3 M Display above the floor When you ascend above the floor the ASC TIME sign stops blinking and the upward pointing arrow disappears Below is an example of a decompression dive above the floor UPWARD POINTING ARROW HAS DISAPPEARED AND ASC TIME LABEL ...

Page 68: ... count down towards zero When the ceiling moves upwards you can ascend to the new ceiling You may surface only after the ASC TIME and CEILING labels have disappeared which means that the decom pression stop and any Mandatory Safety Stop have been completed You are advised however to stay until the STOP sign has also disappeared This indicates that the three 3 minute Recommended Safety Stop has als...

Page 69: ... to Section 5 7 Error conditions 6 2 Diving in the NITROX mode DIVE Nitrox The NITROX mode DIVE Nitrox is the second dive mode available in Suunto D4i and is used when using oxygen enriched gas mixtures 6 2 1 Before diving in the NITROX mode If set to theNITROX mode the correct oxygen percentage of the gas in your cylinder must always be entered into the computer to ensure correct nitrogen and oxy...

Page 70: ...X mode the Dive Planning mode calculates using the O2 and PO2 values that are currently in the computer To set the nitrox mixes refer to Section 5 9 1 Setting the nitrox values Default nitrox settings In theNITROX mode the Suunto D4i allows you to set a nitrox mix containing 21 50 oxygen In the NITROX mode the default setting is standard air 21 O2 It remains in this setting until the O2 is adjuste...

Page 71: ...o D4i will additionally show on the alternative display the oxygen percentage labeled O2 the set oxygen partial pressure limit labeled PO2 the current oxygen toxicity exposure labeled OLF maximum depth current time water temperature dive time tank pressure DOWN BUTTON TOGGLES BETWEEN O2 MAXIMUM DEPTH CURRENT TIME AND TANK PRESSURE 72 ...

Page 72: ...ygen toxicity the latter measured by the addition of Oxygen Toxicity Units OTU Both fractions are scaled so that the maximum tolerated exposure for each is expressed as 100 The Oxygen Limit Fraction OLF displays only the value of the higher of the two calculations The oxygen toxicity calculations are based on the factors listed in Sec tion 10 3 Oxygen exposure 6 3 Diving in the FREE mode DIVE Free...

Page 73: ...does not provide decompression information NOTE There is no ascent rate monitoring in the FREE mode 6 3 1 Day History The Day History function shows the free dive history of your latest diving day In the SURFACE mode you can enter the Day History by pressing the SELECT button 74 ...

Page 74: ... the deepest depth of the day as well as the time the longest dive and the cumulative dive time in hours and minutes as well as the number of dives made during the day NOTE The first dive of the next day will reset the Day History function and start a new one 75 ...

Page 75: ... dive the no fly time will countdown from 48 hours Also you will not be able to dive in AIR or NI TROX modes until the no fly time has counted down to zero You can only set the DIVE mode to OFF NOTE If you want to dive in AIR or NITROX mode after diving in FREE mode remember to switch to the correct mode Otherwise the free dive time limit will activate after 10 minutes 76 ...

Page 76: ...n Ceiling or Too Long Bottom Time Do Not Fly Symbol 7 1 Surface interval An ascent to any depth shallower than 1 2 m 4 ft 0 5 m 1 6 ft in FREE mode will cause the DIVE display to be replaced by the SURFACE display IT IS 6 MINUTES SINCE YOU SURFACED FROM A 35 MINUTE DIVE THE MAXIMUM DEPTH WAS 21 5 M THE PRESENT DEPTH IS 0 0 M THE AIRPLANE SYMBOL AND NO FLY VALUE INDICATE THAT YOU SHOULD NOT FLY FOR...

Page 77: ...ive dive series when the dive computer has not counted the no fly time to zero Within each series the dives are given individual numbers The first dive of the series will be numbered as DIVE 1 the second as DIVE 2 the third as DIVE 3 and so on If you start a new dive with less than five 5 minutes of surface interval time the dive computer interprets this as a continuation of the previous dive and ...

Page 78: ...IVE PLANNING mode is explained in Section 7 5 DIVE PLAN NING mode PLAN NoDec 7 4 Flying after diving In the DIVE mode the no fly time is displayed in the center window next to the airplane image In the TIME mode the airplane image is shown in the top left corner The no fly time is displayed on the bottom row Flying or traveling to a higher altitude should be avoided at any time when the computer i...

Page 79: ...mendation are If a diver has less than 2 hours total accumulated dive time in the last 48 hours a 12 hour surface interval before flying is recommended Following any dive that required a decompression stop flying should be delayed for at least 24 hours and if possible for 48 hours Suunto recommends that flying is avoided until all the DAN and UHMS guidelines as well as the dive computer s no fly c...

Page 80: ...YED AS The Planning mode takes into account the following information from previous dives any calculated residual nitrogen all dive history for the past four days The no decompression times given for different depths will therefore be shorter than before your first fresh dive You can exit the DIVE PLANNING mode by pressing the MODE button NOTE The DIVE PLANNING mode is disabled in FREE mode and in...

Page 81: ...the instrument was still counting down the no fly time at the beginning of the dive The surface interval must be at least five 5 minutes for a dive to be considered a repetitive dive Otherwise it is considered a continuation of the same dive The dive number will not change and the dive time will continue where it left off Refer also to Section 7 2 Dive numbering 7 6 MEMORY mode The memory options ...

Page 82: ... the profile memory based on the selected sample rate The END OF LOGS text is displayed between the oldest and most recent dive The following information will be shown on three pages THERE ARE THREE PAGES OF LOGBOOK DIVE INFORMATION USE SELECT BUTTON TO SCROLL BETWEEN LOGBOOK PAGES I II AND III THE DATA OF THE MOST RECENT DIVE IS SHOWN FIRST YOU CAN SCROLL THE GRAPHICAL DIVE PROFILE ON PAGE III WI...

Page 83: ...e memory will retain approximately the last 80 hours 20 second sample rate of dive time After that when new dives are added the oldest dives are deleted The contents of the memory will re main when the battery is changed providing that the battery has been replaced according to the instructions NOTE Several repetitive dives are considered to belong to the same repetitive dive series if the no fly ...

Page 84: ...DISPLAY TOTAL NUMBER OF DIVES DIVE HOURS AND MAXIMUM DEPTH NOTE You can reset the maximum depth of scuba dives to 0 0 m 0 ft with the PC Interface unit and the downloadable Suunto DM4 software Free Dive History The Free Dive History shows the deepest and the longest dives of all free dives and the cumulative dive time in hours and minutes as well as the total number of dives The Free Dive History ...

Page 85: ...load dive data from your dive computer to your laptop After that you can view and organize all the data recorded with your Suunto D4i You can plan dives with Suunto Dive Planner print copies of your dive profiles and also upload your dive logs to share with your friends at http www movescount com see Section 7 8 Movescount You can always download the latest version of the DM4 from http www suunto ...

Page 86: ...rsonal information 30 characters By using the DM4 you are able to enter setup options such as input a personal 30 character field into the Suunto D4i reset the Scuba History s maximum depth to zero reset all Free Dive History manually add comments multimedia and other personal information to the PC based dive data files 7 8 Movescount Movescount is an online sports community that offers you a rich...

Page 87: ... Movescount software from the Movescount com website if you do not already have the DM4 installed on your laptop To transfer data 1 Connect your dive computer to your laptop 2 Download your dives to the DM4 on your laptop 3 Follow the instructions on the DM4 on how to transfer your dives to your Movescount com account 88 ...

Page 88: ...r invisible marine growth which may create an electric current between the contacts It is important that the dive computer is carefully washed in fresh water after the day s diving is completed The contacts can be cleaned with fresh water and if necessary a mild detergent and a soft brush Sometimes it might be necessary to remove the instrument from the protective boot for cleaning CARE OF YOUR DI...

Page 89: ...rinse the unit in fresh water after every use Protect the unit from shock extreme heat direct sunlight and chemical attack The dive computer cannot withstand the impact of heavy objects like scuba cylinders nor chemicals like gasoline cleaning solvents aerosol sprays adhes ive agents paint acetone alcohol and so on Chemical reactions with such agents will damage the seals case and finish Store you...

Page 90: ... Do not test or use the dive computer in pressurized air WATER RESISTANCE INSPECTION The water resistance of the unit must be checked after replacing the battery or after other service operations The check requires special equipment and training You must frequently check the display for any sign of leaks If you find moisture inside your dive computer there is a leak A leak must be corrected withou...

Page 91: ...user manuals or at www suunto com and the user videos at www suunto tv WHAT ARE ORIGINAL SUUNTO ACCESSORIES Original Suunto accessories are only distributed through Suunto s worldwide network of authorized Suunto distributors and retailers Original Suunto accessories are tested to be compatible with Suunto products and can be used safely NOTE Damage caused by non original accessories will not be c...

Page 92: ...s outdoor products and compasses HOW DO I KNOW IF MY SUUNTO PRODUCT IS COVERED BY WARRANTY You can check the proof of purchase which has to be two 2 years or less You can also check the serial number of your unit Does repairing my Suunto product extend the warranty As far as the national laws permit repairing the product does not extend or otherwise affect the warranty period However part s repair...

Page 93: ...reached zero or you must wait for 48 hours or preferably up to 100 hours before you dive again All history and profile data as well as the altitude personal and alarm settings will remain in the dive computer memory after the battery change However the clock time and time alarm settings are lost In the NITROX mode the gasnitrox settings also revert back to default settings Mix1 21 O2 1 4 bar PO2 M...

Page 94: ...Soft cloth for cleaning 9 1 3 Replacing the transmitter battery To change the transmitter battery 1 Remove the transmitter from the regulator HP port 2 Unscrew and remove the four Phillips screws on the back of the transmitter 3 Pull off the transmitter cover 4 Carefully remove the O ring Be careful not to damage the sealing surfaces 5 Carefully remove the battery Do not touch the electrical conta...

Page 95: ...ative that you wait at least 30 seconds before re installing the transmitter battery When the battery is re installed the transmitter sends an overpressure signal on code 12 for 10 seconds after which it goes to normal operation and shuts down after five 5 minutes 9 Check that the new lubricated O ring is in good condition Put it in the right position in the O ring groove Be very careful not to ge...

Page 96: ...Wireless transmitter parts The code stands for spare part order number 97 ...

Page 97: ...si maximum allowed pressure 360 bar 5 000 psi Display resolution 1 bar 1 psi Depth gauge Temperature compensated pressure sensor Calibrated in complying with EN 13319 Maximum depth of operation 100 m 328 ft complying with EN 13319 Accuracy 1 of full scale or better from 0 to 100m 328 ft at 20 C 68 F complying with EN 13319 Depth display range 0 to 150 m 492 ft Resolution 0 1 m from 0 to 100 m 1 ft...

Page 98: ...djustable 10 20 30 60 s Free dive recording rate default 2 seconds adjustable 1 2 5 s Memory capacity approximately 80 hours of diving with 20 second recording interval Depth resolution 0 3 m 1 ft Operating conditions Normal altitude range 0 to 3 000 m 10 000 ft above sea level Operating temperature 0 C to 40 C 32 F to 104 F Storage temperature 20 C to 50 C 4 F to 122 F It is recommended that the ...

Page 99: ...ttery CR 2450 Battery storage time shelf life Up to three years Replacement Every two years or more often depending on dive activity Life expectancy at 20 C 68 F 0 dives year 2 years 100 dives year 1 5 years 300 dives year 1 year The following conditions have an effect on the expected battery lifetime The length of the dives The conditions in which the unit is operated and stored for example tempe...

Page 100: ...ation between Suunto and Bruce R Wienke BSc MSc PhD It is based on both laboratory experiments and diving data including data from DAN It is a significant advance on the classical Haldane models which do not predict free gas microbubbles The advantage of Suunto RGBM is additional safety through its ability to adapt to a wide variety of situations Suunto RGBM addresses a number of diving circumstan...

Page 101: ...nces Suunto RGBM will adapt the decompression oblig ations by doing any or all of the following Reducing No decompression Stop dive times Adding Mandatory Safety Stops Increasing Decompression Stop times Advising an extended surface interval Diver Attention symbol Diver Attention Symbol Advice to Extend Surface Interval Some patterns of diving cumulatively add a higher risk of DCI for example dive...

Page 102: ...the U S Navy tables Table 10 1 No decompression time limits for various depths m No decompression time limits mins for various depths m for the first dive of a series Personal Mode Altitude Mode Depth m P2 A2 P2 A1 P2 A0 P1 A2 P1 A1 P1 A0 P0 A2 P0 A1 P0 A0 76 46 29 120 63 42 160 93 59 86 50 31 133 69 47 181 108 65 97 54 34 148 77 51 205 124 71 9 12 15 20 13 9 29 21 16 43 31 25 22 15 10 32 24 17 47...

Page 103: ...6 5 36 39 42 45 Table 10 2 No decompression time limits for various depths ft No decompression time limits mins for various depths ft for the first dive of a series Personal Mode Altitude Mode Depth ft P2 A2 P2 A1 P2 A0 P1 A2 P1 A1 P1 A0 P0 A2 P0 A1 P0 A0 73 44 28 117 61 41 156 90 57 82 48 30 130 67 45 176 103 63 93 52 33 144 74 50 199 120 69 30 40 50 19 12 9 28 21 15 41 30 23 21 14 10 31 23 17 46...

Page 104: ...evel After traveling to a higher altitude you will have additional nitrogen in your body compared to the equilibrium situation at the original altitude This additional nitrogen is released gradually over time and equilibrium is restored It is recommended that you acclimatize to a new altitude by waiting at least three hours before making a dive Before high altitude diving the instrument must be se...

Page 105: ...e long term daily tolerance level and the recovery rate is reduced Oxygen related information displayed by the dive computer is also designed to ensure that all warnings and displays occur at the appropriate phases of a dive For example the following information will be shown before and during a dive when the computer is set in NITROX mode The selected O2 on the alternative display OLF alternative...

Page 106: ...media without prior written consent from Suunto 11 2 Trademark Suunto D4i Oxygen Limit Fraction OLF Suunto Reduced Gradient Bubble Model RGBM and Continuous Decompression and their logos are all registered or unre gistered trademarks of Suunto All rights are reserved 11 3 Patent notice This product is protected by the following patent US 5 845 235 Other patents have been applied for 107 ...

Page 107: ...C FIOH Topeliuksenkatu 41 a A FI 00250 Helsinki Finland notified body no 0430 has EC type examined this type of personal protective equipment EN 250 Respiratory equipment Open circuit self contained compressed air diving apparatus Requirements testing marking EN 13319 Diving accessories Depth gauges and combined depth and time meas uring devices Functional and safety requirements test methods is a...

Page 108: ...ise This Limited Warranty is only valid and enforceable in the country in which you pur chased the Product provided that Suunto has intended the Product for sale in that country If however you purchased the Product in a member state of the European Union Iceland Norway Switzerland or Turkey and Suunto originally intended the Product for sale in one of these countries this Limited Warranty is valid...

Page 109: ...iginal Warranty Period or for three 3 months from the date of repair or replacement whichever is longer Exclusions and Limitations This Limited Warranty does not cover 1 a normal wear and tear b defects caused by rough handling or c defects or damage caused by misuse contrary to intended or recommended use 2 user manuals or any third party items 3 defects or alleged defects caused by the use with ...

Page 110: ...then be advised on how to bring your Product for warranty service Should you wish to return the Product by shipping it to your local authorized Suunto retailer please use prepaid freight When making a claim under this Limited Warranty you are required to include your name and address proof of purchase and or service registration card Suunto warranty re gistration at www suunto com is considered ad...

Page 111: ...t of the Product When the Product or a part is replaced any replaced item becomes the property of Suunto If a refund is given the Product for which the refund is given must be returned to a Suunto Authorized Service Centre as it becomes the property of Suunto and or Suunto Authorized Service Centre When repairing or replacing the Product Suunto or a Suunto Authorized Service Centre may use product...

Page 112: ...ROM THE PURCHASE OR USE OF THE ITEM OR ARISING FROM BREACH OF THE WARRANTY BREACH OF CONTRACT NEGLIGENCE STRICT TORT OR ANY OTHER LEGAL OR EQUITABLE THEORY EVEN IF SUUNTO KNEW OF THE LIKELIHOOD OF SUCH DAMAGES SUUNTO SHALL NOT BE LIABLE FOR DELAY IN RENDERING WARRANTY SERVICE 113 ...

Page 113: ...AL OF THE DEVICE Please dispose of the device in an appropriate way treating it as electronic waste Do not throw it in the garbage If you wish you may return the device to your nearest Suunto representative 114 ...

Page 114: ... of neurological symptoms The most important of which is an epileptic like convulsion which can cause a diver to drown CNS Abbreviation for central nervous system toxicity CNS Central nervous system toxicity limit fraction Also note Oxygen Limit Fraction Compartment See Tissue group DAN Abbreviation for Divers Alert Network DCI Abbreviation for decompression illness DM4 Suunto DM4 with Movescount ...

Page 115: ...r equivalent air depth EAN Abbreviation for enriched air nitrox Enriched air nitrox Also called nitrox or Enriched Air EANx Air that has some oxygen ad ded Standard mixes are EAN32 NOAA Nitrox I NN I and EAN36 NOAA Nitrox II NN II Equivalent air depth Nitrogen partial pressure equivalent table Floor The deepest depth during a decompression stop dive at which decom pression takes place Half time Af...

Page 116: ...the surface at any time NO DEC TIME Abbreviation for no decompression time limit OEA EAN EANx Abbreviations for oxygen enriched air nitrox OLF Abbreviation for oxygen limit fraction OTU Abbreviation for oxygen tolerance unit Oxygen tolerance unit Used to measure the whole body toxicity Oxygen limit fraction A term used by Suunto for the values displayed in the oxygen toxicity bar graph The value i...

Page 117: ...s nitrogen remaining in a diver after one or more dives SURF TIME Abbreviation for surface interval time Surface interval time Elapsed time between surfacing from a dive and beginning a descent for the subsequent repetitive dive Tissue group Theoretical concept used to model bodily tissues for the construction of decompression tables or calculations UHMS Abbreviation for Undersea and Hyperbaric Me...

Page 118: ...NTO HELP DESK Global 358 2 284 1160 USA toll free 1 800 543 9124 Canada toll free 1 800 267 7506 www suunto com Copyright Suunto Oy 04 2011 Suunto is a registered trademark of Suunto Oy All Rights reserved ...

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