Suunto HELO2 Battery power indication, Diving at altitude, Alt. adjustment value Altitude range

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•the altitude and personal adjustment settings are correct

•the instrument displays correct units of measurement (Metric/Imperial)

•the instrument displays the correct temperature and depth (0.0 m/0 ft)

•the alarm beeps

If the optional wireless pressure transmitter is used ensure that:

•the pressure transmitter has been properly attached and the cylinder valve is open

•the transmitter and the wrist unit have been properly paired on a suitable code

•the pressure transmitter is working (wireless transmitter indicator blinks, cylinder pressure is displayed), and that there is no low battery warning displayed

•you have enough gas for your planned dive. You should also check the pressure reading against your back-up pressure gauge

And, if set to MIXED GAS mode, make sure that:

•the oxygen partial pressure limits are set correctly

For more information on the MIXED GAS mode, refer to Section 6.2. Diving in MIXED GAS mode .

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 instrument is stored for a long period, or used in cold temperatures, the low battery warning may be displayed even though the battery has enough capacity. In these cases, re-enter DIVE mode to receive the battery power indication.

After the battery check, the low battery warning is indicated by the battery symbol.

If the battery symbol is displayed in the Surface mode, or if the display is faded or weak, the battery may be too low to operate the dive computer, and battery replacement is re- commended.

NOTE

For safety reasons, the backlight cannot be activated when the low

 

battery warning is indicated by the battery symbol.

The optional wireless pressure transmitter sends out a low battery (LOb) warning when its battery voltage is getting low. This is shown intermittently instead of the pressure reading. When you get this warning, the pressure transmitter's battery needs to be replaced.

5.10.4. Diving 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 5.4, Altitude Adjustment settings. The dive computer will adjust its mathematical model according to the entered altitude setting, giving shorter no-decompression times at higher altitudes.

Table 5.4. Altitude Adjustment settings

Alt. adjustment value

Altitude range

A0

0 - 300 m / 0 - 1000 ft

A1

300 - 1500 m / 1000 - 5000 ft

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Contents HelO2 Page Welcome to the World of Suunto Diving Instruments Care and Maintenance of MY Suunto Diving Computer Welcome to the World of Suunto Diving Instruments Using HelO2 with Dive Manager and Dive PlannerPhysician regarding your fitness before diving Or professional diving activitiesOr death Diving with the dive computer ASC Time symbol and the upward pointing arrowStop, and Rgbm adjustments are correct USE BACK-UP INSTRUMENTS! Make sure that you use back-upBefore the instrument has counted down the no-fly time Batteries. Recycle or dispose of used batteries properlyNavigating in the menus Button symbols and functionsSymbol Button Press Main functions Suunto HELO2 AT a GlanceDown Long Enter Setting mode Setting the units Time mode settingsSetting the time Setting the dateAC water contacts Setting the backlightSetting the tones Suunto Technical Rgbm Before DivingPlanning your dives Mixed gas diving Emergency ascentsDive computer limitations Alarm indication Alarm reason Audible and visual alarmsGas mix Alarm indicationError conditions Out of calculation limitsOmitted decompression Wireless transmissionInstalling the wireless transmitter Pairing and code selectionDisplay Indication Transmitting dataDive Mixed GAS Dive mode settingsSetting the gases Before you have ascended above this depth Setting the depth alarmSetting the dive-time alarm Setting the personal/altitude adjustmentsSetting the HP code Setting the sample rateSetting the tank pressure alarm Setting the tank pressureActivation and pre-checks Accessing Dive modeDive mode activation Diving at altitude Battery power indicationAlt. adjustment value Altitude range Before diving Personal adjustmentsPersonal adjust- Condition Desired tables Ment value How the Altitude value is setOther personal injury, and death Safety StopsRecommended Safety Stops Mandatory Safety StopsDeep stops Basic dive data DivingDiving-related information Decompression dives Ascent rate indicatorBookmark Than at the ceiling Ceiling, ceiling zone, floor and decompression rangeDisplay at the ceiling zone Accident, you should stay somewhat below the ceilingDisplay below the floor Display above the floorOxygen and helium displays Diving in Mixed GAS modeBefore diving in Mixed GAS mode Default gas mix settingsGas change and multiple breathing gas mixes Oxygen limit fraction OLFDiving in Gauge mode Dive numbering Alarms Symbol on displayAfter Diving Surface intervalFlying after diving Plan modeDive Planning mode PLANnodec Repetitive dive planningDive numbering shown during dive planning PLANNoDec modeMemory mode Mixed GAS mode, it does not affect the calculationsDive logbook MEMLogbook Suunto Dive Planner SDP Dive historySuunto Dive Manager SDM Dive Planner. It ensures that you have a valid decompressionPage Water Contacts and Push Buttons Care and Maintenance of MY Suunto Diving ComputerWarranty FAQsBattery replacement and strap kits must be used Required tools Battery ReplacementBattery kit Replacing the batteryTransmitter Battery compartment lid, indicating a leakWireless transmitter battery replacement Made in a proper manner to avoid any leakage of water intoStalling the transmitter battery Transmitter battery kitPage Technical Data Rgbm BatteryAfter dive planning Diver safety and Suunto Technical Rgbm modelSuunto Technical Rgbm decompression model Oxygen exposure Altitude divingPatent notice Intellectual PropertyCopyright Trademark 12.2. CE DisclaimersUser’s responsibility Exclusions and Limitations Warranty PeriodLimitation of Liability Access to Suunto warranty serviceOther important notices Page Disposal of the Device EAD EAN GlossaryNo DEC Time Copyright Customer Service ContactsPage TWO Year Warranty Page Page Suunto Oy 4/2009
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