Suunto HELO2 manual Activation and pre-checks, Accessing Dive mode, Dive mode activation

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	SELECT TANK	ADJUST WITH UP AND
		DOWN BUTTONS. ACCEPT
	PRESSURE ON.
		WITH SELECT BUTTON.

5.9.9. Setting the units

Use Unit Settings to choose between metric (meters/celsius/bar) and imperial (feet/fahrenheit/psi) units.

ADJUST WITH UP AND

DOWN BUTTONS. ACCEPT

WITH SELECT BUTTON.

5.10. Activation and pre-checks

This section describes how 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 HelO2 has two diving modes: MIXED GAS mode for diving with gas mixes and GAUGE mode for use as a bottom timer.

The chosen dive mode is displayed when the DIVE mode is accessed, and you can toggle between the submodes by pressing the UP/DOWN buttons.

5.10.2. DIVE mode activation

The dive computer activates automatically when submerged deeper than 0.5 m/1.5 ft.

However, it is necessary to activate the DIVE mode BEFORE diving to check the altitude and personal adjustment settings, battery condition, oxygen settings etc.

After activation, all graphical display elements are turned on, and the backlight and the beep are activated. A few seconds later the battery power indicator is shown.

At this time, perform your pre-checks, making sure that:

•the instrument operates in the correct mode and provides a complete display (MIXED GAS/GAUGE mode)

•the battery level is ok

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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 InstrumentsOr death Or professional diving activitiesPhysician regarding your fitness before diving USE BACK-UP INSTRUMENTS! Make sure that you use back-up ASC Time symbol and the upward pointing arrowStop, and Rgbm adjustments are correct Diving with the dive computerBatteries. Recycle or dispose of used batteries properly Before the instrument has counted down the no-fly timeSuunto HELO2 AT a Glance Button symbols and functionsSymbol Button Press Main functions Navigating in the menusDown Long Enter Setting mode Setting the date Time mode settingsSetting the time Setting the unitsSetting the tones Setting the backlightAC water contacts Planning your dives Before DivingSuunto Technical Rgbm Dive computer limitations Emergency ascentsMixed gas diving Audible and visual alarms Alarm indication Alarm reasonOut of calculation limits Alarm indicationError conditions Gas mixPairing and code selection Wireless transmissionInstalling the wireless transmitter Omitted decompressionTransmitting data Display Indication Setting the gases Mixed GAS Dive mode settings Dive Setting the personal/altitude adjustments Setting the depth alarmSetting the dive-time alarm Before you have ascended above this depthSetting the tank pressure Setting the sample rateSetting the tank pressure alarm Setting the HP codeDive mode activation Accessing Dive modeActivation and pre-checks Alt. adjustment value Altitude range Battery power indicationDiving at altitude How the Altitude value is set Personal adjustmentsPersonal adjust- Condition Desired tables Ment value Before divingMandatory Safety Stops Safety StopsRecommended Safety Stops Other personal injury, and deathDeep stops Diving-related information DivingBasic dive data Bookmark Ascent rate indicatorDecompression dives Ceiling, ceiling zone, floor and decompression range Than at the ceilingDisplay above the floor Accident, you should stay somewhat below the ceilingDisplay below the floor Display at the ceiling zoneDefault gas mix settings Diving in Mixed GAS modeBefore diving in Mixed GAS mode Oxygen and helium displaysOxygen limit fraction OLF Gas change and multiple breathing gas mixesDiving in Gauge mode Surface interval Alarms Symbol on displayAfter Diving Dive numberingRepetitive dive planning Plan modeDive Planning mode PLANnodec Flying after divingMixed GAS mode, it does not affect the calculations PLANNoDec modeMemory mode 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 ButtonsBattery replacement and strap kits must be used FAQsWarranty Replacing the battery Battery ReplacementBattery kit Required toolsMade in a proper manner to avoid any leakage of water into Battery compartment lid, indicating a leakWireless transmitter battery replacement TransmitterTransmitter battery kit Stalling the transmitter batteryPage Technical Data Battery RgbmSuunto Technical Rgbm decompression model Diver safety and Suunto Technical Rgbm modelAfter dive planning Altitude diving Oxygen exposureCopyright Trademark Intellectual PropertyPatent notice User’s responsibility Disclaimers12.2. CE Warranty Period Exclusions and LimitationsOther important notices Access to Suunto warranty serviceLimitation of Liability Page Disposal of the Device Glossary EAD EANNo DEC Time Customer Service Contacts CopyrightPage TWO Year Warranty Page Page Suunto Oy 4/2009