Oceanic Geo Air Operating Manual

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Operating manual (140 pages)

Operating manual (140 pages)

Operating manual (140 pages)

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GEO AIR OPERATING MANUAL

GEO AIR

DIVE COMPUTER

OPERATING MANUAL

PART NUMBER

DESCRIPTION

04.8941.07

Geo Air

04.8942.07

Geo Air w/Transmitter

Doc. No. 12-5673-r05 (10/11/22)

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Page 1 GEO AIR OPERATING MANUAL GEO AIR DIVE COMPUTER OPERATING MANUAL PART NUMBER DESCRIPTION 04.8941.07 Geo Air 04.8942.07 Geo Air w/Transmitter © Oceanic, 2022 Doc. No. 12-5673-r05 (10/11/22)
Page 2: Table Of Contents
GEO AIR OPERATING MANUAL CONTENTS NOTICES B. DEPTH ALARM EUROPEAN UNION REGULATIONS C. EDT (ELAPSED DIVE TIME) ALARM D. TLBG (TISSUE LOADING BAR GRAPH) ALARM 36 E. DTR (DIVE TIME REMAINING) ALARM GETTING STARTED F. TURN PRESS (PRESSURE) ALARM G. END PRESS (PRESSURE) ALARM BASICS 3.
Page 3: Alt
GEO AIR OPERATING MANUAL GAUGE DIVE MAIN GAUGE DIVE ALT 1 GAUGE DIVE ALT 2 RUN TIMER DELAYED VIOLATION 3 (DV3) FREE MODE FREE DIVE MODE DETAILS ON THE SURFACE BEFORE A DIVE FREE STANDBY MODE ALT 1 ALT 2...
Page 4: Notices
The programs within the GEO AIR simulate the absorption of nitrogen into the body by using a mathematical model. This model is merely a way to apply a limited set of data to a large range of experiences. The GEO AIR dive computer model is based upon the latest research and experiments in decompression theory.
Page 5: European Union Regulations
• In accordance with EU regulation 2016/425 of 9 March 2016, may it be known that Oceanic as manufacturer of this product issues a Declaration of Conformity, available here www.huishoutdoors.com/eu-declarations/. • The manufacturer's date code can be found on the underside of the Geo Air. It will be the last 3 digits following the serial number, in the format 00/0 (month/year).
Page 6 GEO AIR OPERATING MANUAL Welcome OCEANIC THANK YOU for choosing the GEO AIR © Oceanic, 2022 Doc. No. 12-5673-r05 (10/11/22)
Page 8: Basics
Welcome to your new GEO AIR. The GEO AIR is an easy to use dive computer utilizing a four button interface. Divers may choose between four modes of functionality consisting of Watch, Dive, Gauge, and Free Mode. Though the GEO AIR is easy to use, you will get the most out of your new GEO AIR if you take some time to familiarize yourself with its displays and operation.
Page 9 GEO AIR OPERATING MANUAL DISPLAY ICONS Time Zone 2 Fraction of Oxygen Tissue Loading Bar Graph Bluetooth on Surface Gas # Value is Max Depth Alarm Set or Transmitter Connected Depth ID (units) Partial Pressure of Oxygen Variable Ascent Rate...
Page 10: Buttons
GEO AIR OPERATING MANUAL BUTTONS The GEO AIR utilizes 4 control buttons called the MODE, SELECT, ADV. (Advance) and, LIGHT buttons. They allow you to select mode options and access specific information. They are also used to enter settings, activate the backlight, and acknowledge the audible alarm.
Page 11 GEO AIR OPERATING MANUAL BUTTON FUNCTIONS ACTION FUNCTION • to move backward through the Main Menu • to decrease a setting • to select/save an option or setting • to access Alt screens • to advance through selections • to toggle or change setpoints •...
Page 12 GEO AIR OPERATING MANUAL ACTION FUNCTION • to scroll or increase a setting value at a faster rate • to reset chronograph (Watch Mode) © Oceanic, 2022 Doc. No. 12-5673-r05 (10/11/22)
Page 14: Watch Main Screen
GEO AIR OPERATING MANUAL WATCH MAIN SCREEN The Watch Main screen is the default screen of the GEO AIR. The Watch Main Screen displays the selected default time zone and either date or day of the week (depending on user setup).
Page 15: Cdt (Countdown Timer)
GEO AIR OPERATING MANUAL ALT 2 ALT displays the elevation, temperature, and day (or date if day is displayed on Watch Main screen). elevation EL2 - EL7, blank if sea level temperature CDT (COUNTDOWN TIMER) This feature allows you to program a countdown timer with audible alarm. The initial options are OFF or SET. To set the timer you must save an hour value then the minute value.
Page 16: Chronograph
GEO AIR OPERATING MANUAL CHRONOGRAPH The chronograph has a 9 lap memory. After 9, subsequent laps will be recorded and the earliest lap discarded. If the Chrono continues to run and reaches 9:59:59.99, it will stop and record that as a Lap. Subsequent presses of SELECT then have no effect.
Page 17: Daily Alarm
GEO AIR OPERATING MANUAL DAILY ALARM When set ON, the Daily Alarm, that runs in the background, will sound the audible alarm at the time set every day when that time equals the Watch Default Time selected. The Audible will not sound while operating in dive computer modes. Operation reverts back to Watch Main after selection of ON or OFF options.
Page 18: Hour Format
GEO AIR OPERATING MANUAL 2. HOUR FORMAT Choose your preferred hour format. to select 12 or 24 toggle setting 3. DEFAULT TIME This setting allows you to choose the time Zone 1 (home), Zone 2 (away), or Dual (both) that displays as the default on the Watch Main.
Page 19: Date
GEO AIR OPERATING MANUAL 6. DATE Set the year, month, and day in order. The corresponding digit will flash, allowing it to be set. decrease to save value year, month; increase value SET DISPLAY ROW 3 This feature allows you to choose whether to display the day or date on the Watch Main Screen.
Page 21: Dtr (Dive Time Remaining)
DTR (DIVE TIME REMAINING) The GEO AIR constantly monitors No Decompression status and O2 Accumulation, and will display whichever time is the least amount available as DTR on the No Decompression Dive Main screen. The Time being displayed will be identified by the NO DECO (no decompression time) or O2 icons.
Page 22: Vari Bar Graph
Plan Mode, will be reduced proportionaly. DEEP STOP When the Deep Stop selection is set ON, it will trigger after descending deeper than 80 ft (24 m). The GEO AIR then calculates (continually updat- ing) a Stop Depth equal to ½ the Max Depth.
Page 23: Safety Stop
SS Timer will be disabled for the remainder of that dive. LOW BATTERY WHILE ON THE SURFACE WARNING: DO NOT dive with a low battery. Warning Level • The Geo Air functions continue but the backlight is disabled. • The bAt graphic will flash. flashing Alarm Level •...
Page 24 Upon activation of the alarm >> You should initiate a controlled ascent while monitoring tank pressure. However, there is no reason to panic, the Geo Air has allowed for the gas necessary for a safe ascent including the No De- compression Deep, Safety Stops (if set on), and any required Decompression Stops.
Page 25: Audible/Visual Alarm
GEO AIR OPERATING MANUAL AUDIBLE/VISUAL ALARM While operating in Dive or Gauge Mode, the audible alarm will emit 1 beep per second for 10 seconds when alarms strike, unless it is set to Off. During that time, the audible alarm can be acknowledged and silenced by pressing the SELECT button.
Page 26 TMT. A coiled antenna inside the Geo Air wrist unit receives the signals when it is positioned within a zone parallel to or at a 45 degree angle to the TMT as illustrated.
Page 27 Underwater: During a dive, you may at times move the Geo Air out of the signal pattern of the TMT, resulting in a temporary loss of the link signal. The Geo Air will indicate this by flashing the transmitter link icon and LOST message in place of the gas pressure value.
Page 29: On The Surface Before A Dive
DIVE STANDBY MODE The Geo Air shall enter Standby mode 10 minutes after Dive Surface Mode has been activated (or 10 minutes after the post dive transition period has ended) and no button presses or dives have been initiated. Pressing a button will wake the GEO AIR up from Standby Mode.
Page 30: Fly
GEO AIR OPERATING MANUAL ALT 2 The ALT 2 screen displays current elevation readings, time of day, and temperature. elevation (EL2 - EL7, blank if sea level) temperature ALT 3 The ALT 3 screen displays only after a nitrox dive. It displays the current oxygen saturation level, PO2 Alarm setting, and the current gas mix.
Page 31: Plan
GEO AIR OPERATING MANUAL PLAN This mode calculates dive depth and time limits. To do so, it accounts for any residual nitrogen, oxygen, surface intervals, the programmed gas mix, and PO2 alarm setting. Either NO DECO (No Decompression) or O2 (O2 Time) limits are displayed, depending on whether nitrogen or oxygen levels will be the limiting factor.
Page 32: Log
GEO AIR OPERATING MANUAL The log stores Information from the latest 24 Dive and/or Gauge mode dives for viewing. • If no dives are recorded, the message NONE YET will be displayed. • After exceeding 24 dives, the most recent dive is stored while the oldest is deleted.
Page 33: Set Gas (Mix)
GEO AIR OPERATING MANUAL SET GAS (MIX) Within this submenu you can change the three available gas mixes from air to any nitrox mix between 21 - 100 FO2 (% O2), PO2 Alarm settings, and whether to use 1, 2, or 3 gases. Nitrox mixes are displayed with their corresponding MOD (Maximum Operating Depth) and the current PO2 Alarm setting for the selected gas.
Page 34: Dive Setup
Set Mode allows you to choose between Dive (standard recreational dive), Gauge, and Free (free diving) modes of operation. NOTE: Once a dive is conducted in Gauge mode, the GEO AIR shall operate with limited functions without any decompression or oxygen monitoring functions. A 24 hour surface interval shall be required for the unit to oper- ate as a full function dive computer in Dive or Free mode.
Page 35: Audible Alarm
GEO AIR OPERATING MANUAL A. AUDIBLE ALARM The Audible Alarm feature allows you to set audible alarms ON or OFF. to step back to select toggle setting OFF or ON B. DEPTH ALARM The Depth Alarm feature allows you to set a maximum depth alarm.
Page 36: Tlbg (Tissue Loading Bar Graph) Alarm
GEO AIR OPERATING MANUAL D. TLBG (TISSUE LOADING BAR GRAPH) ALARM This feature allows you to set an alarm to go off at a predetermined number of TLBG segments. to step back TLBG ALARM TRIGGERED decrease to select segments flashing...
Page 37: End Press (Pressure) Alarm
GEO AIR OPERATING MANUAL G. END PRESS (PRESSURE) ALARM To emphazise a low gas situation, the End Pressure Alarm allows you to set an alarm for when you reach a designated end pressure. Dependat on metric or imperial units, the default setting is 50 bar or 800 psi.
Page 38: Deep Stop
6. SAFETY FACTOR This feature allows the diver to choose a level of dive table conservatism. NOTE: The OFF setting means the Geo Air will not impose conservative restrictions to the Z+ or DSAT dive times. SET SAFETY FACTOR OFF, 1, or 2...
Page 39: Sys (System) Setup
Within this screen the Bluetooth may be turned ON or OFF. When Bluetooth is turned on it will operate in sniffing mode (searching for compatible devices) while on the surface and the GEO AIR is not in Standby Mode. Communication with your GEO AIR must be initiated with your mobile device using Diverlog+ software.
Page 40: Set Tmt (Transmitter) Submenu
2. SET TMT (TRANSMITTER) SUBMENU The Geo Air can use up to 3 transmitters to monitor gas supplies. The Set TMT Menu allows for the programming of the wrist unit to receive the signals from selected Oceanic transmitters. See the Dive Mode Features section (p. 25) for further information on transmitters.
Page 41: Sampling Rate
3. SAMPLING RATE The Sample Rate controls how frequently the GEO AIR stores a data snapshot for Diverlog + Download during a dive. Setting options are 2, 15, 30, or 60 second intervals. Shorter intervals will provide a more precise record of your dives.
Page 42: Info
GEO AIR OPERATING MANUAL INFO Within this menu you can the view Geo Air data and stats. INFO LEAD-IN to Bat Status Lead-in 1. BAT STATUS The Bat Status feature checks battery and connection status for the wrist module and transmittters. It will show the battery status of the Geo Air wrist module first.
Page 43: Sn (Serial Number)
5. DATA CLEAR The GEO AIR is configured with a feature that clears nitrogen and oxygen calculations. This is intended for facilities using the GEO AIR for rental or training activities, not for general use by individual divers. If you enter the Clear Data screen by accident, you may exit without change by holding the SEL button for 2 seconds.
Page 45: Initiating A Dive
GEO AIR OPERATING MANUAL INITIATING A DIVE With the GEO AIR in Dive mode, a dive will commence upon descending to 5 ft (1.5 m) for at least 5 seconds. Below is a diagram to help you navi- gate Dive mode functions.
Page 46: Gas Menu
GAS MENU The Gas Menu allows you to manually switch gases during the dive. The Gas Menu Lead-in screen is bypassed if your Geo Air is set to Air or Gas 2 is set OFF. See the section "Gas Switches" for further details on this feature.
Page 47: Surfacing
Oceanic advises that you should not use a Geo Air. • If you exceed certain limits, the Geo Air will not be able to help you get safely back to the surface. These situations exceed tested limits and can result in loss of some functions for 24 hours after the dive in which a violation occurred.
Page 48: Decompression Entry
GAS SWITCH WARNING If gas 2 (3) is set on and the current gas is not the best gas when approaching the decompression stop zone, the Geo Air will warn you to switch gases. You must confirm the gas switch by pressing the SELECT button. If the gas switch is not confirmed within 30 seconds, no switch will be made.
Page 49: Decompression Stop Main
• The down arrow continues to flash until descending below the required Stop Depth, then the full stop graphic will be on solid. • If the DV1 status is ignored, the GEO AIR will enter DV1 Surface mode for 5 minutes upon surfacing from the dive. The down arrow, Decompres- sion Stop depth/time, and Surface Time will be displayed.
Page 50: Delayed Violation 2 (Dv 2)
Additionally, Current Depth will only indicate dashes signifying that you are too deep. * The maximum functional depth (330 ft / 100 m) is the depth at which the GEO AIR can properly perform calculations or provide accurate display information.
Page 51: High Po
GEO AIR OPERATING MANUAL HIGH PO Alarm >> at Set Point value, except in Deco then at 1.60 only Alarm If PO continues to increase and reaches the alarm set point, the audible alarm sounds again. The PO value will flash in place of gas pressure during the audible alarm.
Page 52: Warning During Decompression
GEO AIR OPERATING MANUAL Warning During Decompression When O2 % reaches the Warning Level, the audible alarm sounds and the O2% value will flash in place of stop depth and stop time. The stop depth and stop time will be restored when the audible alarm is silenced.
Page 54: On The Surface Before A Dive
GAUGE STANDBY MODE The Geo Air shall enter Standby mode 10 minutes after Gauge Surface Mode has been activated (or 10 minutes after the post dive transition period has ended) and no button presses or dives have been initiated. Pressing a button will wake the GEO AIR up from Standby Mode.
Page 55: Initiating A Dive
INITIATING A DIVE With the GEO AIR in Gauge Mode, a dive will commence upon descending to 5 ft (1.5 m) for longer than 5 seconds. Below is a diagram to help you navigate Gauge Dive Mode functions. The dive will end and revert to Surface Mode upon ascent to 3 ft (0.9 m) of depth for at least 1 second.
Page 56: Run Timer
The Gas Time Remaining will also be represented by dashes. * The maximum functional depth (330 ft / 100 m) is the depth at which the GEO AIR can properly perform calculations or provide accurate display information.
Page 58: Free Dive Mode Details
• The mathematical models currently used in the GEO AIR are based on no decompression/decompression multilevel repetitive dive schedules. • These algorithms do not take into account the physiological changes associated with the high pressures that competitive type free diving can expose a diver to.
Page 59: On The Surface Before A Dive
FREE STANDBY MODE The Geo Air shall enter Standby mode 10 minutes after Free Surface Mode has been activated (or 10 minutes after the post dive transition period has ended) and no button presses or dives have been initiated. Pressing a button will wake the GEO AIR up from Standby Mode.
Page 60: Countdown Timer (Cdt)
COUNTDOWN TIMER (CDT) The GEO AIR allows you to set a CDT time from 0:01 - 59:59 (min:sec). On the surface the CDT must be started and stopped in the CDT Status screen by selecting ON or OFF. The CDT will run in the background, while on the surface and during dives, until it counts down to 0:00, or it is turned OFF.
Page 61: Set Alarms
GEO AIR OPERATING MANUAL SET ALARMS Within this submenu you can customize the following three alarm settings. to step back to select, if ON proceeds to Set Audible Alarm, if OFF Proceeds to Set Algorithm toggle setting YES, or NO 1.
Page 62: Depth Alarms
INITIATING A DIVE With the GEO AIR in Free Mode, a dive will commence upon descending to 5 ft (1.5 m) for longer than 5 seconds. Below is a diagram to help you navigate Free Dive Mode functions. The dive will end and revert to Surface Mode upon ascent to 3 ft (0.9 m) of depth for at least 1 second.
Page 63: Free Dive Alt 1
GEO AIR OPERATING MANUAL FREE DIVE ALT 1 This screen Displays the Countdown Timer status. The Countdown Timer can be started and stopped in this screen by selecting ON or OFF. After the time runs down to 0:00, the countdown timer will reset to the original preset time.
Page 65: Uploading/Downloading Data
Lens Protector. Small scratches will naturally disappear underwater. • Soak and rinse the GEO AIR in fresh water at the end of each day of diving, and check to ensure that the areas around the Low Pressure (Depth) Sensor, wet contacts, and buttons are free of debris or obstructions.
Page 66 GEO AIR OPERATING MANUAL All parts needed for the battery change are provided in the GEO AIR Battery Kit available from your Oceanic Dealer. Battery Removal • It is not necessary to remove the wrist straps. • Locate the battery compartment on the back of the unit.
Page 67: Altitude Sensing And Adjustment
• No adjustments are made during any time that the Wet Contacts are bridged. • When diving in high altitude waters from 3,001 to 14,000 feet (916 to 4,270 meters), the GEO AIR automatically adjusts to these conditions pro- vidingcorrected Depth, and reduced No Deco and O2 Times at intervals of 1,000 feet (305 meters).
Page 69 GEO AIR OPERATING MANUAL DSAT BASED NDLS (HR:MIN) (IMPERIAL) Altitude 3001 4001 5001 6001 7001 8001 9001 10001 11001 12001 13001 (feet) 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 Depth (FT) 4:20 3:21 3:07 2:55...
Page 70 GEO AIR OPERATING MANUAL Z+ BASED NDLS (HR:MIN) (IMPERIAL) Altitude 3001 4001 5001 6001 7001 8001 9001 10001 11001 12001 13001 (feet) 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 Depth (FT) 3:17 2:30 2:21 2:14...
Page 71 GEO AIR OPERATING MANUAL SPECIFICATIONS CAN BE USED AS • Watch • Dive Computer (Air or Nitrox) • Digital Depth Gauge/Timer • Free Dive Computer DIVE COMPUTER PERFORMANCE • Buhlmann ZHL-16c based PZ+, or DSAT based, algorithm. • No Decompression limits closely follow PADI RDP.
Page 72 • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician. CAUTION: Changes or modification to this unit not expressly approved by Oceanic could void the user's authority to operate the equipment.
Page 73 GEO AIR OPERATING MANUAL ABBREVIATIONS/TERMS = Alarm M.D (D.M) = Month.Day (Day.Month) = Ascent Rate MIN (min) = Minutes (time) = Atmospheres Absolute = Meters Per Minute = Audible = No Deco DTR = Metric Unit Of Pressure = No Deco Limit...
Page 74 GEO AIR OPERATING MANUAL INSPECTION / SERVICE RECORD Serial Number: ___________________________________________________________________________________________________ Firmware Rev: ___________________________________________________________________________________________________ Date of Purchase: ___________________________________________________________________________________________________ Purchased from: ___________________________________________________________________________________________________ Below to be filled in by an Authorized Oceanic Dealer: Date Service Performed Dealer/Technician © Oceanic, 2022 Doc. No. 12-5673-r05 (10/11/22)

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04.8941.07 04.8942.07

Oceanic Geo Air Operating Manual

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