Page 5 - SAFETY; Types of safety precautions
1 SAFETY Types of safety precautions WARNING: - is used in connection with a procedure or situation that may result in serious injury or death. CAUTION: - is used in connection with a procedure or situation that will result in damage to the product. NOTE: - is used to emphasize important information...
Page 6 - Safety precautions
Safety precautions WARNING: ONLY TRAINED DIVERS SHOULD USE A DIVE COMPUTER! Insufficient training for any kind of diving, including freediving, may cause a diver to commit errors, such as incorrect use of gas mixtures or improper decompression, that may lead to serious injury or death. WARNING: You ...
Page 10 - Emergency ascents
Emergency ascents In the unlikely event that the dive computer malfunctions during adive, follow the emergency procedures provided by your certifieddive training agency to immediately and safely ascend. 10
Page 11 - GETTING STARTED; Display states and views; Suunto D4i has four main modes:
2 GETTING STARTED 2.1 Display states and views Suunto D4i has four main modes: TIME , DIVE , PLANNING and MEMORY . Change modes by pressing [MODE]. Unless DIVE mode is turned off, Suunto D4i automatically switches to DIVE mode if you are more than 1.2 m (4 ft) under water. DIVE PLAN MEM 12:00 1.12 T...
Page 13 - Software version check; Version; Dive modes
2.4 Software version check Please note that this user guide is for the latest software version ofSuunto D4i. If you have an older version, some features operatedifferently.To check the software version:1. Keep [DOWN] pressed to enter settings.2. Press [DOWN] to scroll to Version and enter with [SELE...
Page 14 - Access the apnea timer and adjust settings as explained in
To change settings for a dive mode, keep [DOWN] pressed while inthat mode. For further information about dive mode settings,please refer to the respective dive mode section of this user guide. Stopwatch Access the stopwatch in time or dive mode as explained in .To use the stopwatch:1. Press [DOWN] t...
Page 15 - FEATURES
3 FEATURES 3.1 Activation and pre-checks Unless the dive mode turned off, the dive mode activatesautomatically when you dive deeper than 1.2 m (4 ft). However, youshould switch to dive mode before diving to check altitude andpersonal settings, battery condition and so on.Each time your Suunto D4i en...
Page 17 - reading against your back-up pressure gauge.
After the automatic checks, Suunto D4i enters surface mode. At thispoint, you should perform your manual checks before entering thewater.Ensure that:1. Suunto D4i is in the correct mode and provides complete displays. 2. Altitude setting is correct.3. Personal setting is correct.4. Deepstops are set...
Page 18 - cannot be activated when the low battery warning is displayed.; Air Time
temperatures, the low battery warning may appear even thoughthe battery has enough capacity.In these cases, re-enter dive mode and check the battery power. Ifthe battery is low, the Low Battery warning comes on. Replace Battery Battery Low 12:00 1.12 TH If the low battery icon appears in surface mod...
Page 20 - blinks
High priority alarms: Alarm Explanation High priority alarmfollowed by 'Startascending' beep,repeated for maximumthree minutesPO2 value blinks PO2 value greater than the adjustedvalue. Current depth is too deep forthe gas in use. You should immediatelyascend or change to a lower O2% gas. High priori...
Page 21 - DEEPSTOP; DEEPSTOP; and timer
Alarm type Alarm reason ascending' beep,sounded two times. ASC TIME blinks and an arrow points upwards. below the decompression floor level.You should ascend to, or above, thefloor. Low priority alarmfollowed by 'Startdescending' beep. DEEPSTOP blinks and an arrow pointsdownwards. Mandatory deepstop...
Page 22 - Free; Free
Alarm type Alarm reason Tank pressure valueblinks. pressure, 50 bar (700 psi).Acknowledge the alarm by pressingany button. Low priority alarm,repeated twice.OLF% value blinks if PO2value is greater than 0.5bar. OLF value at 80% or 100% ( Nitrox dive mode only). Acknowledge the alarmby pressing any b...
Page 26 - BACKLIGHT; When the backlight is off, it does not illuminate when an
Continuous ascent rate violations result in mandatory safety stops.See 3.17 Safety stops and deepstops . WARNING: DO NOT EXCEED THE MAXIMUM ASCENT RATE! Rapid ascents increase the risk of injury. You should always make the mandatory and recommended safety stops if you have exceeded the maximum recom...
Page 27 - The calendar clock is the default mode of Suunto D4i .; Time
3.7 Bookmarks At any time during a dive, you can add a bookmark to the dive logby pressing [SELECT].You can view bookmarks when scrolling the dive profile in thelogbook.Each bookmark records present depth, time, water temperature,heading (if the compass is enabled), and tank pressure (if available)....
Page 28 - Imperial; and; Dual Time
1. While in time mode, keep [DOWN] pressed.2. Press [UP] to scroll to Date and press [SELECT]. 3. Set year with [DOWN] or [UP] and accept with [SELECT].4. Repeat for month and day.5. Press [MODE] to exit. 3.8.3 Units In the units setting, choose whether the units are displayed in themetric or Imperi...
Page 29 - Display contrast
3.8.5 Alarm clock Suunto D4i has a daily alarm which can be set to activate once, onweekdays or every day.When the daily alarm activates, the screen blinks and the alarmsounds for 60 seconds. Press any button to stop the alarm.To set the daily alarm:1. While in time mode, keep [DOWN] pressed.2. Pres...
Page 30 - Logbook
3.10 Depth alarm By default the depth alarm sounds at 30 m (100 ft). You can adjustthe depth according to your personal preference or switch it off.To adjust the depth alarm:1. While in a dive mode, keep [DOWN] pressed to enter settings.2. Press [UP] to scroll to Depth Alarm and press [SELECT]. 3. P...
Page 31 - History; Scuba History; MEM
3. When you are viewing the history or logbook, you can press [MODE] to go back and select the other one. Press [MODE] asecond time to exit. History When you have entered the dive history view, you can switchbetween Scuba History and FREE DIVE HISTORY with [DOWN] and [UP].Scuba dive history shows yo...
Page 32 - Gauge
3. Press [DOWN] or [UP] to scroll to the log you wish to look at and press [SELECT]. 4. Press [SELECT] to scroll through the pages.5. Press [MODE] to exit.Each log has three pages:1. Main page • maximum depth • date of dive • type of dive (indicated by first letter of dive mode, such as G for Gauge ...
Page 33 - End of Logs; text is displayed between the oldest and most
• consumed pressure (if enabled) • warnings • OLF% (if applicable) 3. Dive profile graph • water temperature • tank pressure (if enabled) • depth/time profile of the dive Press [UP] to step through the dive profile graph or keep [UP]pressed to auto-scroll.The dive profile graph shows point by point ...
Page 39 - Dive planning mode; PLAN NoDeco
3. Press [DOWN] or [UP] to toggle the timer on and confirm with [SELECT]. 4. Adjust the countdown duration with [DOWN] or [UP] and conform with [SELECT]. 5. Press [MODE] to exit. 3.13 Dive planning mode The dive planning mode PLAN NoDeco can be used to plan a dive that does not require decompression...
Page 40 - Dive time alarm; ALARM TIME; on the display. This indicates that the risk of DCI has
NOTE: The dive planning mode is disabled if the dive computer is in an error state (see 3.15 Error state (algorithm lock)) or if the dive mode is off or in Gauge mode. 3.14 Dive time alarm The dive time alarm can be activated and used for several purposesto add to your diving safety. It is simply a ...
Page 41 - is shown; ER
If you omit decompression stops for longer than three (3) minutes,the RGBM algorithm is locked for 48 hours. When the algorithm islocked, no algorithm information is available and ER is shown instead. Locking the algorithm is a safety feature, highlighting thatthe algorithm information is no longer ...
Page 42 - Personal and altitude adjustments; Personal adjustment
3.16 Personal and altitude adjustments There are several factors that can affect your susceptibility to DCS.Such factors vary between divers and from one day to another.The personal factors which tend to increase the possibility of DCSinclude: • exposure to cold water - less than 20°C (68 °F) • belo...
Page 43 - Altitude; adjustment and confirm with
In addition to the personal setting, Suunto D4i can be adjusted fordiving at different altitudes. This adjusts the decompressioncalculation according to the selected altitude adjustment. Altitude adjustment Explanation 0 0 – 300 m (0 – 980 ft) (default) 1 300 – 1500 m (980 – 4900 ft) 2 1500 – 3000 m...
Page 44 - Safety stops and deepstops; When deepstops are enabled, the length of mandatory
3.17 Safety stops and deepstops Safety stops are widely considered good diving practice and are acritical part of most dive tables. The reasons for performing a safetystop include: reducing sub-clinical DCI, microbubble reduction,ascent control, and orientation before surfacing.Suunto D4i displays t...
Page 45 - CEILING; STOP; NEVER ASCEND ABOVE THE CEILING! You must not
In this situation, Suunto D4i adds a mandatory safety stop to thedive. The time of this stop depends on the speed violation of theascent rate.The STOP icon is shown in the display. When you reach the depthzone between 6 m and 3 m (18 ft and 9 ft) the following isdisplayed:1. CEILING and STOP 2. Ceil...
Page 48 - No Fly
You can also use the stopwatch while diving for various timingpurposes. To activate the stopwatch in dive mode, keep [MODE]pressed. Start and stop the stopwatch by pressing [SELECT]. NOTE: If a deepstop activates while you are using the stopwatch, the timer field is not visible. 3.20 Surface and no-...
Page 56 - Low air pressure warnings
NOTE: Filling your BCD affects the air time calculation due to the temporary increase in air consumption. The remaining air time is not displayed when either deepstops orthe decompression ceiling has been activated. You can checkremaining air time by keeping [DOWN] pressed.Temperature changes affect...
Page 57 - The optional transmitter sends out a low battery (; batt; Installing and pairing transmitter; The pairing procedure normally only needs to be done
The optional transmitter sends out a low battery ( batt ) warning when its battery voltage is getting low. This is shown intermittentlyinstead of the pressure reading. When you get this warning, thetank pressure transmitter's battery needs to be replaced. 3.22.2 Installing and pairing transmitter Wh...
Page 59 - Text; no conn; is displayed when the unit
Display Indication Cd:-- No code stored, the dive computer is readyfor pairing with the transmitter. Cd:10 Current code number. Code number can befrom 01 to 40. - - - The flash symbol is blinking. Pressurereading exceeds allowed limit (over 360 bar(5220 psi)). no conn Text no conn is displayed when ...
Page 61 - Tones; The; AC; is shown until the water contact deactivates. It is important
1. While in time mode, keep [DOWN] pressed.2. Press [DOWN] or [UP] to scroll to Tones and press [SELECT]. 3. Press [DOWN] or [UP] to toggle on/off and confirm with [SELECT]. 4. Press [MODE] to exit. 3.24 Water contact The water contact is located on the side of the case. Whensubmerged, the water con...
Page 63 - CARE AND SUPPORT; Handling guidelines
4 CARE AND SUPPORT 4.1 Handling guidelines The Suunto D4i dive computer is a sophisticated precisioninstrument. Although it is designed to withstand the rigors ofdiving, you must treat it with the same proper care and caution asany other precision instrument.Handle the unit with care – do not knock ...
Page 64 - Water resistance
Should moisture appear inside the case or battery compartment,immediately have the instrument checked by your Suunto servicecenter.The optional scratch guard for Suunto D4i is designed to helpprevent the display from getting scratched. Scratch guards can bepurchased separately from your authorized S...
Page 65 - never knock or drop the device.; Battery replacement
• avoid subjecting the device to rapid air and water temperaturechanges. • always clean your device with fresh water if subjected to saltwater. • never knock or drop the device. 4.3 Battery replacement Suunto D4i displays a battery symbol as a warning when the powergets too low. When this happens, y...
Page 66 - REFERENCE; Technical specifications; Dimensions and weight; Temperature compensated pressure sensor; Temperature display
5 REFERENCE 5.1 Technical specifications Dimensions and weight • Length: 50 mm (1.97 in) • Width: 50 mm (1.97 in) • Height: 16.0 mm (0.61 in) • Weight: 85 g (3.0 oz) Operating conditions • Water resistance: 100 m (328 ft) (complying with ISO 6425) • Normal altitude range: 0 to 3,000 m (0 to 10,000 f...
Page 67 - Dive counter: 0 to 99 for repetitive dives; Calendar clock; Sample rate in air and nitrox modes: default 20 seconds
• Display range: -20 °C to +50 °C (-4 °F to +122 °F) • Accuracy: ± 2 °C (± 3.6 °F) within 20 minutes of temperaturechange Nitrox mode • Oxygen: 21-50% • Partial pressure of oxygen (pO2): 0.2 – 3.0 • Oxygen Limit Fraction: 0–200% with 1% resolution • Gas mixtures: 1 Other displays • Dive time: 0 to 9...
Page 68 - Tissue calculation model; Suunto RGBM
• Memory capacity: approximately 140 hours with 20-secondrecording interval and without transmitter data. In free divemode, maximum capacity is 35 hours. Tissue calculation model • Suunto RGBM • Maximum depth of operation: 120 m (393 ft) 5.2 Compliance 5.2.1 CE Suunto Oy hereby declares that this pr...
Page 69 - Warranty Period
5.3 Trademark Suunto D4i, its logos, and other Suunto brand trademarks andmade names are registered or unregistered trademarks of SuuntoOy. All rights are reserved. 5.4 Patent notice This product is protected by pending patent applications and theircorresponding national rights: US 5,845,235, US 7,3...
Page 70 - Exclusions and Limitations; repaired by unauthorized Service Center; Access to Suunto warranty service
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 orrecommended use; 2. user manuals or any third-party items;3. defects or alleged defects caused by the use w...
Page 71 - Limitation of Liability
you may contact Suunto Contact Center at the phone number listedon the last page of this document. Suunto’s qualified customersupport staff will help you and, if needed, troubleshoot yourproduct during the call. Limitation of Liability To the maximum extent permitted by applicable mandatory laws,thi...
Page 74 - MOD
Term What it means He% Helium percentage or helium fraction in thebreathing gas. MOD Maximum operating depth of a breathing gas isthe depth at which the partial pressure ofoxygen (PO2) of the gas mix exceeds a safe limit. Multi level dive A single or repetitive dive that includes timespent at variou...
Page 77 - INDEX; Activation
INDEX A Activation pre-checks, 15 Air mode, 35Alarm, 29Alarms, 19Altitude adjustment, 42Apnea timer, 23Ascent rate, 25 B Backlight, 26Battery, 65 indicators, 17 Bookmarks, 27 C Calendar clock, 27 D Date, 27decompression, 51, 53Decompression Safety, 52 deepstop safety stop, 44 Depth alarm, 30display,...
Page 79 - SUUNTO CUSTOMER SUPPORT
SUUNTO CUSTOMER SUPPORT 1. www.suunto.com/support www.suunto.com/mysuunto 2. AUSTRALIA +61 1800 240 498 AUSTRIA +43 720 883 104 CANADA +1 800 267 7506 CHINA +86 010 84054725 FINLAND +358 9 4245 0127 FRANCE +33 4 81 68 09 26 GERMANY +49 89 3803 8778 ITALY +39 02 9475 1965 JAPAN +81 3 4520 9417 NETHER...
