Suunto Cobra2 User Manual

Main functionsPressButtonSymbolEnable gas switching in NITROX modeLongUPToggle between alternative displaysChange submodeDecrease valuesShortDOWNEnter

4. GETTING STARTED WITH YOUR SUUNTO COBRA2To get the most out of your Suunto Cobra2, take some time to personalize it and reallymake it YOUR computer.

ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON.4.1.4. Setting the unitsIn the UNITS SETTING mode you can choose to have the units displaye

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

4.3.2. Locking a bearingA bearing can be locked to help you follow a selected course, and directional arrows pointtowards the locked bearing. Locked b

CalibrationBecause of changes in the surrounding magnetic field, the Suunto Cobra2 electroniccompass occasionally needs to be re-calibrated. During th

5. BEFORE DIVINGDo not attempt to use the dive computer without reading this user's manual in its entirety,including all the warnings. Make sure

5.4. NitroxDiving with nitrox provides you with an opportunity to increase bottom times or reduce therisk of decompression illness by reducing the nit

Alarm reasonAlarm typePreset alarm time is reached.Current time is shownContinuous beep series for 24 seconds or until anybutton is pressed.Current ti

5.7.1. Connecting Suunto Cobra2 to a regulatorWhen purchasing the Suunto Cobra2, we strongly recommend that you have your Suuntorepresentative attach

ADJUST WITH UP AND DOWN BUTTONS. ACCEPT WITH SELECT BUTTON.NOTEWith a range of 1 - 999 minutes, the alarm can be set to your plannedbottom time, for e

5.8.5. Setting the sample rateThe sample rate controls how often the depth, time, tank pressure, and water temperatureis stored in the memory. You can

5.9.2. DIVE mode activationThe dive computer activates automatically when submerged deeper than 0.5 m/1.5 ft.However, it is necessary to activate the

5.9.4. Diving at altitudeThe dive computer can be adjusted both for diving at altitude and also to increase theconservatism of the mathematical nitrog

Table 5.5. Personal Adjustment settingsDesired tablesConditionPersonaladjustmentvalueDefaultIdeal conditionsP0Progressively more conservativeSome risk

5.10.2. Mandatory Safety StopsWhen the ascent rate exceeds 10 m/33 ft per minute continuously for more than 5 seconds,the microbubble build-up is pred

6. DIVINGThis section contains instructions on how to operate the dive computer and interpret itsdisplays. You’ll find that this dive computer is easy

UP BUTTON TOGGLES BETWEEN DIVE TIME AND WATER TEMPERATURE.6.1.2. BookmarkIt is possible to record bookmarks in the profile memory during a dive. These

Low Air Pressure WarningsThe dive computer will warn you with three audible double beeps and a blinking pressuredisplay when the cylinder pressure rea

•the time needed at the Mandatory Safety Stop (if any)•the time needed to reach the surface after the ceiling and Safety Stops have beencompletedWARNI

1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTS ... ... ... ... 52. WARNINGS, CAUTIONS, AND NOTES ... . ... . ... . ... . ... . ... . ... . .

UPWARD POINTING ARROW, BLINKING ASC TIME AND AN ALARM TELL YOU TO ASCEND. MINIMUM TOTAL ASCENT TIME INCLUDING MANDATORY SAFETY STOP IS 15 MINUTES. CEI

6.2. Diving in NITROX mode (DIVEnitrox)NITROX mode (DIVEnitrox) is the second dive mode available in Suunto Cobra2 and isused when using oxygen- enric

UP BUTTON TOGGLES BETWEEN PO2, OLF, DIVE TIME AND WATER TEMPERATURE.DOWN BUTTON TOGGLES BETWEEN O2, MAXIMUM DEPTH TANK PRESSURE AND CURRENT TIME.6.2.3

In the GAUGE mode, the total dive time is always displayed in minutes in the lower rightcorner. In addition, a Dive Timer in the center window display

7. AFTER DIVINGOnce back at the surface, Suunto Cobra2 continues to provide post-dive safety informationand alarms. Calculations to enable repetitive

7.4. Flying after divingThe no-fly time is shown in the center window next to the airplane image. Flying or travelingto a higher altitude should be av

WHEN ENTERING THE MEMPLAN MODE THE DISPLAY FIRST BRIEFLY SHOWS TISSUE LOADING, THE REMAINING DESATURATION TIME BEFORE GOING INTO PLAN MODE. USE UP AND

PRESS UP OR DOWN BUTTONS TO DESCEND OR ASCEND.The mode can also be used to add the desired surface intervals for dive simulations. Addthe desired surf

•date of dive•type of dive (Air, Nitrox, Gauge)•dive start time•dive number•oxygen percentage for Mix1•total dive timePage II•maximum depth•surface ti

•dive start time (year, month, day and time)•dive computer settings•oxygen percentage settings and maximum OLF (in NITROX mode)•tissue calculation dat

6.2. Diving in NITROX mode (DIVEnitrox) ... ... ... ... ... ... ... ... ... ... ... ... 316.2.1. Before diving in NITROX mode ... . ... .

8. CARE AND MAINTENANCEThe Suunto Cobra2 dive computer is a sophisticated precision instrument. Though designedto withstand the rigors of scuba diving

CAUTION•Do not use compressed air to blow water off the unit.•Do not use solvents or other cleaning fluids that might causedamage.•Do not test or use

3.Open the securing ring of the battery compartment lid by pushing it down and rotatingit clockwise. You may use a pointed nose pliers or a small scre

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9. TECHNICAL DATA9.1. Technical specificationsDimensions and weight:• Diameter: width 73 mm/2.85 in, length 165 mm/6.50 in• Thickness: 35 mm/1.40 in•

• Life expectancy at 20°C/68°F:• 0 dives/y - 3 years• 100 dives/year – 2 years• 300 dives/year – 1.5 yearsThe following conditions have an effect on t

Diver Attention Symbol – Advice to Extend Surface IntervalSome patterns of diving cumulatively add a higher risk of DCI; for example, dives withshort

No-decompression time limits (mins) for various depths (ft) for the firstdive of a seriesPersonal Mode / Altitude ModeDepth(ft)P2/A2P2/A1P2/A0P1/A2P1/

10. INTELLECTUAL PROPERTY10.1. CopyrightThis user's manual is copyrighted and all rights are reserved. It may not, in whole or inpart, be copied,

11. DISCLAIMERS11.1. User’s responsibilityThis instrument is intended for recreational use only. Suunto Cobra2 must not be used forobtaining measureme

1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTSSuunto Cobra2 was designed to help you get the most out of your diving. By reading thismanual and

12. WARRANTYNOTEWarranty arrangements vary from country to country. The divecomputer packaging contains information regarding the warrantybenefits and

13. DISPOSAL OF THE DEVICEPlease dispose of the device in an appropriate way, treating it aselectronic waste. Do not throw it in the garbage. If you w

GLOSSARYAir timeThe amount of dive time remaining, based on a calculation of cylinder pressureand ambient pressure and present air consumption.Altitud

Multi level diveA single or repetitive dive that includes time spent at various depths and whoseno decompression limits are therefore not determined s

TWO YEAR WARRANTYThis product is warranted to be free of defects in material and/or workmanship to the original owner for the above noted period (does

2. WARNINGS, CAUTIONS, AND NOTESThroughout this manual, important safety icons are displayed. Three classifications areused to separate these icons by

WARNINGDIVES THAT REQUIRE DECOMPRESSION STOPS ARE NOTRECOMMENDED. YOU SHOULD ASCEND AND BEGINDECOMPRESSION IMMEDIATELY WHEN THE DIVE COMPUTERSHOWS YOU

WARNINGSELECT THE CORRECT ALTITUDE ADJUSTMENT SETTING! Whendiving at altitudes greater than 300 m/1,000 ft the Altitude Adjustmentfeature must be corr

3. SUUNTO COBRA2 AT A GLANCE3.1. Navigating in the menusSuunto Cobra2 has four main operating modes - TIME mode (TIME), DIVE mode (DIVE),PLAN mode (PL