Suunto HELO2 Battery compartment lid, indicating a leak, Wireless transmitter battery replacement

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11.Check that the new lubricated O-ring is in good condition. Put it in the right position on the battery compartment lid. Be very careful not to get any dirt on the o-ring or its sealing surfaces.

12.Carefully press the lid onto the battery compartment with your thumb, while making sure that the O-ring is not at any point protruding out on the edge.

13.Put your other thumb through the locking ring. Press this thumb firmly against the lid and release the other one. Make sure that the lid is pressed completely down!

14.Turn the locking ring counterclockwise with your free thumb and fingers until it snaps into its locked position.

15.The dive computer should now active its timekeeping mode and show time 18:00 [6:00 PM] and date SA 01,01. Activate the instrument. Check that

•all display segments work.

•the low battery warning is off.

•the buzzer beeps and backlight works.

•all the settings are correct. Reset if necessary.

CAUTION	Check after the first dives for possible moisture under the transparent
	battery compartment lid, indicating a leak.

Securing Ring	HelO2
Battery Compartment	Battery
Lid with buzzer
O-Ring	Battery Retainer

9.4. Wireless transmitter battery replacement

NOTE	It is advisable to contact an authorized Suunto representative for
	transmitter battery replacement. It is imperative that the change is
	made in a proper manner to avoid any leakage of water into the
	transmitter.

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Contents HelO2 Page Welcome to the World of Suunto Diving Instruments Care and Maintenance of MY Suunto Diving Computer Using HelO2 with Dive Manager and Dive Planner Welcome to the World of Suunto Diving InstrumentsPhysician regarding your fitness before diving Or professional diving activitiesOr death ASC Time symbol and the upward pointing arrow Stop, and Rgbm adjustments are correctUSE BACK-UP INSTRUMENTS! Make sure that you use back-up Diving with the dive computerBatteries. Recycle or dispose of used batteries properly Before the instrument has counted down the no-fly timeButton symbols and functions Symbol Button Press Main functionsSuunto HELO2 AT a Glance Navigating in the menusDown Long Enter Setting mode Time mode settings Setting the timeSetting the date Setting the unitsAC water contacts Setting the backlightSetting the tones Suunto Technical Rgbm Before DivingPlanning your dives Mixed gas diving Emergency ascentsDive computer limitations Audible and visual alarms Alarm indication Alarm reasonAlarm indication Error conditionsOut of calculation limits Gas mixWireless transmission Installing the wireless transmitterPairing and code selection Omitted decompressionTransmitting data Display IndicationDive Mixed GAS Dive mode settingsSetting the gases Setting the depth alarm Setting the dive-time alarmSetting the personal/altitude adjustments Before you have ascended above this depthSetting the sample rate Setting the tank pressure alarmSetting the tank pressure Setting the HP codeActivation and pre-checks Accessing Dive modeDive mode activation Diving at altitude Battery power indicationAlt. adjustment value Altitude range Personal adjustments Personal adjust- Condition Desired tables Ment valueHow the Altitude value is set Before divingSafety Stops Recommended Safety StopsMandatory Safety Stops Other personal injury, and deathDeep stops Basic dive data DivingDiving-related information Decompression dives Ascent rate indicatorBookmark Ceiling, ceiling zone, floor and decompression range Than at the ceilingAccident, you should stay somewhat below the ceiling Display below the floorDisplay above the floor Display at the ceiling zoneDiving in Mixed GAS mode Before diving in Mixed GAS modeDefault gas mix settings Oxygen and helium displaysOxygen limit fraction OLF Gas change and multiple breathing gas mixesDiving in Gauge mode Alarms Symbol on display After DivingSurface interval Dive numberingPlan mode Dive Planning mode PLANnodecRepetitive dive planning Flying after divingPLANNoDec mode Memory modeMixed GAS mode, it does not affect the calculations Dive numbering shown during dive planningDive logbook MEMLogbook Dive history Suunto Dive Planner SDPDive Planner. It ensures that you have a valid decompression Suunto Dive Manager SDMPage Care and Maintenance of MY Suunto Diving Computer Water Contacts and Push ButtonsWarranty FAQsBattery replacement and strap kits must be used Battery Replacement Battery kitReplacing the battery Required toolsBattery compartment lid, indicating a leak Wireless transmitter battery replacementMade in a proper manner to avoid any leakage of water into TransmitterTransmitter battery kit Stalling the transmitter batteryPage Technical Data Battery RgbmAfter dive planning Diver safety and Suunto Technical Rgbm modelSuunto Technical Rgbm decompression model Altitude diving Oxygen exposurePatent notice Intellectual PropertyCopyright Trademark 12.2. CE DisclaimersUser’s responsibility Warranty Period Exclusions and LimitationsLimitation of Liability Access to Suunto warranty serviceOther important notices Page Disposal of the Device Glossary EAD EANNo DEC Time Customer Service Contacts CopyrightPage TWO Year Warranty Page Page Suunto Oy 4/2009