The screen on the Oceanic GEO 2 is not lighting up properly after changing the battery likely because the original battery leaked and caused internal damage. Although the new battery powers the unit (screen lights up faintly), the display is unreadable, indicating possible damage to the screen or internal electronics from the battery leak.

This answer is automatically generated

Summary of Contents for Oceanic GEO 2

Page 3: Table Of Contents
CONTENTS ABREVIATIONS/TERMS..............................7 WARRANTY,.NOTICES,.MODEL............................8 FEATURES/FUNCTIONS.AND.WATCH.MODE........................9 DISPLAY.LAYOUT..............................10 OVERVIEW.................................11 MENU.SYSTEM................................12 BACKLIGHT................................13 AUDIBLE.ALARM..............................14 PC.INTERFACE................................16 POWER.SUPPLY...............................17 WATCH.MAIN.(DEFAULT).TIME..........................19 MAIN.TIME.................................20 WATCH.MENU................................20 DUAL.TIME.................................22 CDT.(COUNTDOWN.TIMER).............................22 CHRONOGRAPH...............................25 DAILY.ALARM................................26 SET.T.MENU.(TIME)..............................28 Set.Date.Format..............................29 Set.Hour.Format..............................29 Select.Default.Time..............................30 Set.Dual.Time.Differential...........................31 Set.Time.of.Day.
Page 4 CONTENTS.(continued) NORM.SURFACE.MENU/MODES...........................37 SURF.MAIN.AND.ALTS.............................38 FLY/SAT.TIME................................40 PLAN.MODE.(NORM)..............................42 LOG.MODE.(NORM/GAUG)............................44 SET.F.MENU.(NORM.FO2)............................47 Set.FO2.Gas.1..............................49 Set.FO2.Gas.2..............................50 Set.FO2.Default..............................50 SET.A.MENU.(NORM/GAUG.ALARMS)........................51 Set.Audible.Alarm..............................51 Set.Depth.Alarm..............................52 Set.EDT.Alarm..............................52 Set.TLBG.Alarm..............................53 Set.DTR.Alarm..............................53 Set.PO2.Alarm..............................54 SET.U.MENU.(UTILITIES)............................54 Set.Wet.Activation...............................55 Set.Units................................55 Set.Deep.Stop..............................55 Set.Safety.Stop..............................56 Set.Algorithm...............................57 Set.Conservative.Factor.............................57 Set.Backlight.Duration.(Glo)..........................58 Set.Sampling.Rate...............................58 SET.M.(DIVE.OP.MODE)............................59 HISTORY.MODE.(NORM/GAUG)..........................60...
Page 5 CONTENTS.(continued) DIVE.MODE.FEATURES..............................63 BAR.GRAPHS................................64 TLBG..................................64 VARI..................................65 ALGORITHM................................66 CONSERVATIVE.FACTOR.(CF)..........................66 DEEP.STOP.(DS)...............................67 SAFETY.STOP.(SS)..............................67 DIVE.TIME.REMAINING.(DTR)..........................69 NDC.(No.Deco.DTR).............................69 OTR.(O2.OTR)..............................70 NORM.DIVE.MODES...............................71 NO.DECO.MAIN.AND.ALTS............................72 DEEP.STOP................................73 SAFETY.STOP................................74 DECOMPRESSION..............................75 CV.(CONDITIONAL.VIOLATION)..........................78 DV1.(DELAYED.VIOLATION.1)..........................79 DV2.(DELAYED.VIOLATION.2)..........................79 DV3.(DELAYED.VIOLATION.3)..........................80 VGM.(VIOLATION.GAUGE.MODE)...........................80 HIGH.PO2...................................82 HIGH.O2..................................84 GAS.SWITCHING...............................86 DIGITAL.GAUGE.MODE..............................87 GAUG.SURF.MAIN.AND.ALTS.
Page 6 CONTENTS.(continued) FREE.DIVE.MODE................................93 FREE.SURF.MAIN.AND.ALTS...........................94 FREE.SURF.MENU..............................95 CDT.(Countdown.Timer).............................95 SET.FA.MENU.(Free.Alarms)..........................98 Set.EDT.Alarm.(Elapsed.Dive.Time)......................98 Set.DA.(Depth.Alarms)...........................99 Select.M.(Dive.Mode)...........................100 FREE.DIVE.MAIN.AND.ALTS..........................101 FREE.DIVE.ALARMS...............................103 REFERENCE.................................105 PC.INTERFACE................................106 CARE.AND.CLEANING............................108 INSPECTIONS.AND.SERVICE..........................108 BATTERY.REPLACEMENT.............................110 ALTITUDE.SENSING.AND.ADJUSTMENT......................113 TECHNICAL.DATA................................115 PZ+.ALGORITHM.NDL.CHART..........................116 DSAT.ALGORITHM.NDL.CHART..........................117 SPECIFICATIONS..............................118 INSPECTION/SERVICE.RECORD..........................122 OCEANIC.WORLD.WIDE..............................123...
Page 7: Abreviations/Terms
ABBREVIATIONS/TERMS ACTIV = Activation MAX = Maximum = Alarm MIN (min) = Minutes (time) ALT = Alternate MPM = Meters Per Minute ATA = Atmospheres Absolute NDC = No Deco DTR AUD = Audible NDL = No Deco Limit BATT (BAT) = Battery = Number CDT (CD) = Countdown Timer NO-D = No Decompression CHG = Change NORM = Normal Dive Mode CONSERV = Conservative Factor = Oxygen = Conditional Violation O2SAT = % O2 = Depth Alarm OTL (OTR) = O2 Limit (DTR) DECO = Decompression PDPS...
Page 8: Warranty,.Notices,.Model
The programs within the GEO 2 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 2 dive computer model is based upon the latest research and experiments in decompression theory.
Page 9: Features/Functions.and.watch.mode
Welcome to OCEANIC THANK YOU for choosing the GEO 2 FEATURES/FUNCTIONS AND WATCH MODE...
Page 10: Display.layout
DISPLAY LAYOUT ICONS Log Mode Algorithm Dual Time On Nitrox Surface Interval Daily AL On Depth id Time id Deep Stop is triggered value is PO2 (ATA) Time or # Temp value is value is FO2 Max Depth Low Batt Gas # Descend, Ascend,...
Page 11: Overview
INTERACTIVE CONTROL CONSOLE The Interactive Control Console utilizes 4 control buttons that allow you to maneuver through the GEO 2's unique system of menus. The buttons will be referred to as M, S, A, and L. • Upper/Left >> M (mode, minus) •...
Page 12: Menu.system
MENU SYSTEM The LCD viewing area is used to display alpha numeric mes- sages and measured values as well as Menu type systems for selection of settings and various auxiliary functions. There are 10 Menus that include the - GAUG.SURF •...
Page 13: Backlight
(*The Backlight will turn Off if L is depressed for more than 10 seconds.) • Press L again to activate as desired. Extensive use of the backlight reduces estimated battery life. Also, the backlight does not operate during a low battery condition or when the GEO 2 is connected to a PC.
Page 14: Audible.alarm
AUDIBLE ALARM While operating in NORM or GAUG Mode the Audible will emit 1 beep per second for 10 seconds when alarms strike, unless it is set Off. During that time, the Audible can be acknowledged and silenced by pressing the S button (less than 2 seconds). A LED Warning Light, on the lower end of the housing, is synchronized with the Audible and flashes as the Audible sounds.
Page 15 • Delayed Violation (a Deco Stop Depth greater than 60 FT/18 M is required)**. • Delayed Violation (Max Operating Depth is exceeded). • A Gas Switch would expose the diver to PO2 => 1.60 ATA**. • Watch Daily Alarm reaches time set (disabled during Dive Modes). •...
Page 16: Pc.interface
Interface with a PC, to allow uploading settings and downloading data, is accomplished by connecting the GEO 2 to a PC USB Port using the special USB Interface Cable. The software program together with the USB Driver required is on the Oceanlog CD, and can be downloaded from the OceanicWorldwide web site.
Page 17: Power.supply
POWER SUPPLY • Battery >> (1) 3 vdc, CR2430, Lithium battery. • Shelf life >> up to 7 years (when shipped from factory in Deep Sleep mode). • Use life >> 1 year or 300 dive hours if (2) 1 hour dives per dive day.
Page 18 Low Battery during dive <= 2.75 volts (warning level) • Backlight is completely disabled. • All DC functions continue to be available. • Battery icon is not displayed on the dive mode screens. • Battery icon (shell with inner bar) appears solid upon entry into Surface Mode.
Page 19: Watch.main.(Default).Time
WATCH MAIN (DEFAULT) TIME Selection of Main (Default) Time is a Set T menu item. Time of day and date can be set when either Home or Away time is selected as the default. Main Time is the current time at your home location and is normally selected as the Watch Default Time.
Page 20: Main.time
MAIN (Default) TIME, information includes (Fig. 4A/B): > Alarm (speaker) icon, if Daily Alarm is set on > Dual Time (hr:min) with DUAL icon, if set on > Main (Default) Time (hr:min_sec) with AM (or PM) icon > Away Time icon (up arrow) meaning Away is selected as Main Time, blank if Home is Main >...
Page 21 WATCH ALT, information includes (Fig. 5): > Date, as Month.Day (or Day.Month) > Temperature with ° icon and graphic F (or C) > Altitude graphic EL2 (to EL 7), blank if Sea level • A < 2 sec - to step forward to Dual Time Lead-in. •...
Page 22: Dual.time
Display Dual Time, information includes (Fig. 7): > DUAL icon > Dual Time (hr:min), if set by hour differential (a Set T item), or 3 dashes ( - : - - ) if none set > Graphic ADD - > Set Point graphics* ON (or OFF) flashing •...
Page 23 CDT Status, information includes (Fig. 9): > Remaining CDT (hr:min) with ON, if in progress; or 0:00 with OFF if the CD is complete; or CDT previously set with OFF > Graphic CDT - OFF (or ON) • A (< 2 sec) - to step forward through selections of OFF, ON, and SET.
Page 24 • A (hold) - to scroll upward through Minute Set Points at a rate of 8 per second from :00 to :59 in increments of :01 (min). • A (< 2 sec) - to step upward through Set Points one at a time.
Page 25: Chronograph
CHRONOGRAPH The Chronograph is a stop watch timer for use in Watch mode. While the Chronograph is running, it remains on the screen until another screen is accessed, it will then continue to run in the background while on the surface. Upon activation of dive mode, Chrono operation will be termi- nated and the time will reset to 0:00:00_00.
Page 26: Daily.alarm
• S (< 2 sec) - to save that Lap and display the next (up to 9, then restart with 1), with the time continuing to count up. • A (< 2 sec) - to stop the Timer and recall Lap 1 displaying it's time, repeat to recall other Lap times.
Page 27 • A (< 2 sec) - to step forward through the selections of OFF, ON, and SET (Fig. 17). • M (< 2 sec) - to step back through the selections. • S (< 2 sec) - to save the selection. •...
Page 28: Set.t.menu.(Time)
• S (< 2 sec) - to save the Alarm Set Point and revert to the Daily Alarm Status screen with OFF flashing (Fig. 19). To turn the alarm function On - • A (< 2 sec) - to step through the selections (of OFF, ON, SET) to ON.
Page 29: Set.date.format
Set Date Format, information includes (Fig. 21): Date Format establishes the location that the Month (M) digits are displayed relative to the Day (D) digits, on the left or right. > Graphic SEt > Set Point graphics M-D (or D-M) flashing •...
Page 30: Select.default.time
Select Default Time, information includes (Fig. 23A/B): This feature selects which Time, Home or Away**, is to be displayed as the Watch Main (Default) Time (in the center of the Watch Time screen)*. *The other will be displayed (at the top of the Watch Time screen) when a Dual Time (differential) is set and Display Dual Time is set On.
Page 31: Set.dual.time.differential
Set Dual Time Differential, information includes (Fig. 24): This feature allows you to set an Hour based numeric time Dif- ferential ranging from - 23 through 0 to + 23 (hours). This feature provides a second (Dual) Time equal to the Watch's Default Time of Day +/- the Hours selected.
Page 32: Set.time.of.day
Set Time of Day, information includes (Fig. 26A/B): This setting directly changes the Time of Day that is selected to be the Watch Default Time, whether it is Home Time or Away (travel location) Time. The other will be changed by the Dual Time Differential set.
Page 33: Set.date
• S (< 2 sec) - to save the Time Set Point and access Set Date. • S (2 sec) - to step back to Set Hour. Set Date, information includes (Fig. 27): The sequence for setting date is Year, then Month, then Day, regardless of the Date Format set.
Page 34 • S (2 sec) - to step back to Set Year • A (hold) - to scroll upward through Day Set Points at a rate of 8 per second from 1 to 31 (max) in increments of 1 • A (< 2 sec) - to step upward through Set Points one at a time •...
Page 35 DIVE COMPUTER OPERATING MODES NORM Mode >> for Air and Nitrox SCUBA activity with 1 or 2 Gases GAUG Mode >> for SCUBA activity FREE Mode >> for breath hold diving activity with Depth/Time indication If no previous dive has been taken within the past 24 hours, NORM is the default upon access from Watch Mode.
Page 36: Dive Computer Mode Access
DIVE COMPUTER MODE ACCESS WATCH NORM DFLT.TIME SURF.MAIN 2 sec Shown is access to NORM from Watch, < 2 sec then to GAUG from NORM. < 2 sec Access from NORM to FREE, GAUG to NORM.MENU FREE, GAUG to NORM, FREE to NORM , ALT.1 and FREE to GAUG are similar.
Page 37: Norm.surface.menu/Modes
NORM SURFACE MENU/MODES...
Page 38: Surf.main.and.alts
NORM SURF MAIN, information includes (Fig. 28): > Surface Interval time (hr:min) with SURF icon; if no dive yet, this is time since activation > Time of Day (hr:min) with AM or PM icon if 12 Hour Format; no icon if 24 Hour Format >...
Page 39 NORM SURF ALT 1, information includes (Fig. 30): > SI* (hr:min) with SURF icon, prior to Last dive > Graphic LAST, indicating data is for dive previously conducted while still in NORM mode > Max Depth* of dive previously conducted while still in NORM mode with MAX and FT (or M) icons >...
Page 40: Fly/Sat.time
NORM SURF ALT 3, information includes (Fig. 32): > Current O2 (%) with O2SAT icon > PO2 alarm value set (ATA) with PO2 and MAX icons > FO2 set for Gas 1 with FO2 icon > NX icon, if FO2 is set for Nitrox >...
Page 41 > When other screens are accessed, the FLY and SAT countdowns continue in the background. > SAT is not displayed after a Gauge or Violation dive. > Desaturation requiring Times greater than 24 hours will display 24 until it decreases to 23 (hr) . >...
Page 42: Plan.mode.(Norm)
PLAN MODE (NORM) No Deco Dive Times (NDLs/OTLs) in Plan Mode are based on - > the algorithm selected (DSAT or PZ+) > the FO2 set (for Gas 1 only, the default for Plan) > the setting for the Conservative Factor (Off or On*) >...
Page 43 PDPS (Pre Dive Planning Sequence) The PDPS displays Depths and allowable No Deco Dive Times (up to 999 minutes), NDLs (nitrogen based limits) if nitrogen is in control or OTLs (oxygen based limits) if O2 is in control. It will sequence through PDPS screens displaying Depths from 30 to 190 FT (9 to 57 M) with Plan times* based upon the previ- ous dive profiles in a series of repetitive dives and taking into account descent and ascent rates of 60 FPM (18 MPM).
Page 44: Log.mode.(Norm/Gaug)
• M (< 2 sec) - to step back through PDPS screens. • S (< 2 sec) - to revert to the Lead-in after the last screen. • S (2 sec) - to revert to the Lead-in screen. • L (press) - to activate Backlight. LOG MODE (NORM/GAUG) Information from the latest 24 NORM and/or GAUG dives** is stored for viewing.
Page 45 Log Preview, information includes (Fig. 37): > Log Mode (book) icon > Date (month.day or day.month), the dive was conducted; or blank if none recorded > Time dive began (hr:min) with AM (or PM) icon if 12 Hour Format, no icon if 24 Hour Format; or graphic NONE >...
Page 46 > Max Depth with MAX and FT (or M) icons > EDT with DIVE and min icons > TLBG with the max accumulation segment flashing, others fixed up to end of dive accumulation. All segments flashing if a Delayed Violation. No TLBG if Gauge Mode. >...
Page 47: Set.f.menu.(Norm.fo2)
Log Data 3, information includes (Fig. 40): > Log Mode (book) icon > O2% at end of dive, 2 dashes if Violation Gauge Mode, with O2SAT icons > Highest PO2 (ATA) reached during the dive with PO2 and MAX icons >...
Page 48: Fo2 Set For Nitrox
FO2 Gas 1 will continue to reset to the FO2 50% Default after subsequent repetitive dives until 24 hours elapse after the last dive, or the FO2 50% Default is set Off. FO2 set to Air The default FO2 setting for Gas 1 each new activation period will be Air. When FO2 Gas 1 is set for Air - >...
Page 49: Set.fo2.Gas.1
Set F Lead-in, information includes (Fig. 41): > Graphics SEt and F • A (< 2 sec) - to step forward to Set A Lead-in. • M (< 2 sec) - to step back to Log Lead-in. • S (< 2 sec) - to access Set FO2 Gas 1. Set FO2 Gas 1, information includes (Fig.
Page 50: Set.fo2.Gas.2
Set FO2 Gas 2, information includes (Fig. 43): > Graphic SEt if Air; or Max Depth allowed for the PO2 alarm set with FT (or M) and NX icons if Nitrox > Gas 2 (tank) icon > PO2 alarm value set (ATA) with PO2 and MAX icons, blank if Air >...
Page 51: Set.a.menu.(Norm/Gaug.alarms)
• A (< 2 sec) - to toggle OFF and ON. • S (< 2 sec) - to save the setting and revert to Set F Lead-in. • S (2 sec) - to revert to Set FO2 Gas 2. SET A MENU (NORM/GAUG ALARMS) Sequence >>...
Page 52: Set.depth.alarm
Set Depth Alarm, information includes (Fig. 47): > Graphic SEt > Graphic OFF or Depth value flashing with MAX and FT (or M) icons • A (hold) to scroll upward through Set Points at a rate of 8 per second from 30 to 330 FT (10 to 100 M) in increments of 10 FT (1 M).
Page 53: Set.tlbg.alarm
Set TLBG Alarm, information includes (Fig. 49): > Graphics SEt and TBG (Tissue Bar Graph) > Graphic OFF or TLBG segments with icon flashing • A (< 2 sec) - to step upward through Set Points from OFF to 1 through 4 segments one at a time. •...
Page 54: Set.po2.Alarm
Set PO2 Alarm, information includes (Fig. 51): > Graphic SEt with PO2, MAX, and Nx icons > PO2 value ATA (atmospheres absolute) flashing • A (< 2 sec) - to step upward through Set Points from 1.20 to 1.60 one at a time. •...
Page 55: Set.wet.activation
Set Wet Activation, information includes (Fig. 53): > Graphics SEt and WET - > Set Point ON (or OFF) flashing • A (< 2 sec) - to toggle between ON and OFF. • S (< 2 sec) - to save the setting and access Set Units. •...
Page 56: Set.safety.stop
Set Safety Stop (SS), information includes: > Graphic SEt with Stop arrow/bar icons > Graphic SS with Set Point ON (or OFF) flashing, or graphic TMR with ON flashing • A (< 2 sec) - to step forward through the Set Points (SS OFF, SS ON, TMR ON.
Page 57: Set.algorithm
Set Algorithm, information includes (Fig. 57): > Graphics SEt and ALGO > Set Point graphic PZ+ (or DSAT) flashing • A (< 2 sec) - to toggle between DSAT and PZ+. • S (< 2 sec) - to save the setting and access Set CF. •...
Page 58: Set.backlight.duration.(Glo)
Set Backlight Duration (Glo), information includes (Fig. 59): > Graphics SEt and GLO - > Time Set Point flashing with sec icon • A (< 2 sec) - to step upward through Set Points of 0, 5, and 10 (sec) one at a time. •...
Page 59: Set.m.(Dive.op.mode)
SET M (DIVE OP MODE) Sequence >> Lead-in >> NOR (or GAU or FRE) Set Point remains as set until changed. Set M Lead-in, information includes (Fig. 61): > Graphics SEt and M • A (< 2 sec) - to step forward to History. •...
Page 60: History.mode.(Norm/Gaug)
HISTORY MODE (NORM/GAUG) History is a summary of basic data recorded during all NORM and GAUG dives conducted. History 1, information includes (Fig. 63): > Graphic Hour with Total hours of EDT (dive time) ever recorded (up to1999), 0 until > 1 hour >...
Page 61: Serial.number
Information displayed on this screen should be recorded and kept with your sales receipt, it will be required in the event that your GEO 2 requires factory service. Serial Number, information includes (Fig. 65): > Graphic r1A (or higher), indicating the revision level of the firmware (GEO 2's operating software) >...
Page 63: Dive.mode.features
DIVE MODE FEATURES...
Page 64: Bar.graphs
As you ascend segments recede, indicating that additional no deco time is available. The GEO 2 monitors 12 different nitrogen compartments simulta- neously and the TLBG displays the one that is in control of your dive at any given time.
Page 65: Vari
VARI (NORM/GAUG) The VARI (Fig. 68a) provides a visual representation of ascent speed (i.e., an ascent speedometer). The segments represent two sets of speeds which change at a reference depth of 60 FT (18 M). Refer to the chart. When ascent is too fast, the audible will sound, and all VARI segments and the graphic SLO will flash (Fig.
Page 66: Algorithm
ALGORITHM The GEO 2 is configured with 2 algorithms which allows you to choose which set of NDLs (No Deco Limits) will be used for nitrogen/oxygen calculations and displays relating to Plan and DTR (Dive Time Remaining). You can select to use either the DSAT or the PZ+. The selection will lock in for 24 hours after the last dive.
Page 67: Deep.stop.(Ds)
DEEP STOP (DS), No Deco only When the DS selection is set On, it will trigger during NORM No Deco dives when you descend to 80 FT (24 M), then calculate (and continually update) a Stop Depth equal to 1/2 the Max Depth. While 10 FT (3 M) deeper than the calculated DS, you will be able to access a DS Pre- view screen that will display the current DS Stop Depth/Time.
Page 68 • If the SS was set for OFF or Timer, the display will not appear. • In the event that you descend 10 FT (3 M) deeper than the Stop Depth for 10 seconds during the countdown, or the countdown reaches 0:00, the No Deco Main screen will replace the SS Main screen which will reappear upon ascent to within 5 FT (1.5 M) deeper than the Safety Stop Depth set for 1 second.
Page 69: Dive.time.remaining.(Dtr)
DTR (DIVE TIME REMAINING) The GEO 2 constantly monitors No Deco status and O2 Ac- cumulation, and will display whichever Time is the least amount available as DTR on the No Deco Dive Main screen. The Time being displayed will be identified by the NDC or O2 icon.
Page 70: Otr.(O2.Otr)
OTR (O2 DTR) When set for Nitrox operation, O2 during a dive is displayed on an ALT screen as a % of allowed saturation (Fig. 71a) identi- fied by the O2SAT icons. The limit for O2 exposure (100%) is set at 300 OTU (oxygen tolerance units) per dive or 24 hour period.
Page 71: Norm.dive.modes
NORM DIVE MODES...
Page 72: No.deco.main.and.alts
NO DECO DIVE MAIN, information includes (Fig. 73) - > Current Depth with FT (or M) icon > DTR (min) with NDC (or O2) and min icons > Max Depth with MAX and FT (or M) icons > EDT (Elapsed Dive Time) with DIVE and min icons >...
Page 73: Deep.stop
No Deco Alt 1, information includes (Fig. 75) - > Time of Day (hr:min), with AM (or PM) icon if 12 Hour Format, no icon if 24 Hour Format > Temperature with ° icon and graphic F (or C) • A (< 2 sec) - to access ALT 2 (if Nitrox). •...
Page 74: Safety.stop
DEEP STOP MAIN, information includes (Fig. 78) - > Current Depth with FT (or M) icon > DTR (min) with NDC (or O2) and min icons > Stop Depth with FT (or M) icon > Stop icon (arrows/bar) and DS icon >...
Page 75: Decompression
• M (2 sec) - to access Gas Switching. • S (< 2 sec) - to acknowledge alarms. • L (press) - to activate Backlight. When the SS is set for Timer, the graphic TMR with Run Time counting up from 0:00 to 9:59 (min:sec) then 10 to 999 (min) will be displayed (Fig.
Page 76 > Once within 10 FT (3 M) below the required Stop Depth (stop zone), the full Stop icon (both Arrows with Stop Bar) will be displayed solid. To fulfill your decompression obligation, you should make a safe controlled Ascent to a depth slightly deeper than, or equal to, the required Stop Depth indicated and decompress for the Stop Time indicated.
Page 77 Deco Stop Alt 1, information includes (Fig. 83) - > Current Depth with FT (or M) icon > TAT (min) with TAT and min icons > Max Depth with MAX and FT (or M) icons > EDT (Elapsed Dive Time) with DIVE and min icons >...
Page 78: Cv.(Conditional.violation)
CV (CONDITIONAL VIOLATION) Upon ascent above the required Deco Stop Depth, operation will enter CV during which no off gassing credit will be given. The Audible will sound and the alarm LED will flash. The full TLBG and Down Arrow icon will flash (Fig. 86) until the audible is silenced, then the TLBG will be solid.
Page 79: Dv1.(Delayed.violation.1)
DV 1 (DELAYED VIOLATION 1) If you remain shallower than a Deco Stop Depth for more than 5 minutes, operation will enter DV1* which is a continuation of CV with penalty time still being added. Again, the audible will sound and the full TLBG will flash (Fig. 87) until it is silenced. *The difference is that 5 minutes after surfacing from the dive, operation will now enter Violation Gauge Mode.
Page 80: Dv3.(Delayed.violation.3)
DV 3 (DELAYED VIOLATION 3) If you descend deeper than the MOD*, the audible will sound and the alarm LED will flash. Also, the Up Arrow will flash, and Current Depth and Max Depth will only indicate 3 dashes ( - - - ) signifying that you are Too Deep (Fig.
Page 81 VGM Dive Main, information includes (Fig. 90) - > Current Depth with FT (or M) icon > Graphic VIO (in place of Max Depth which moves to Alt 1) with Up Arrow icon, flashing until on surface > EDT with DIVE and min icons >...
Page 82: High.po2
> During that 24 hours, VGM does not allow access to the Set F, Plan, Dsat, and FREE Mode features/screens. > The Fly countdown indicates time remaining before normal operation can resume with full features and functions. HIGH PO2 (NORM ONLY) Warning >>...
Page 83 PO2 Alarm Main, information includes (Fig. 93) - > NX icon > Current Depth with FT (or M) icon > DTR with NDC (or O2) and min icons > PO2 value (ATA) with PO2 icon, flashing until < Set Point, then solid >...
Page 84: High.o2
HIGH O2 (NORM only) Warning >> at 80 to 99% (240 OTU). Alarm >> at 100% (300 OTU). When O2 reaches the Warning Level; the audible sounds and the O2 value will flash (in place of DTR), Fig. 95, until the audible is silenced, then DTR will be restored.
Page 85 If O2 reaches the Alarm level; the audible sounds and the Up Arrow icon and the O2 value will flash (in place of TAT) until on the surface. Max Depth and EDT will be displayed in place of Deco Stop Depth/Time, Fig. 97. •...
Page 86: Gas.switching
GAS SWITCHING > Switching changes FO2 related displays and calculations from one Gas (FO2) setting to another. > Dives begin with Gas 1 and default to Gas 1 after 10 minutes on the surface following dives. > Switching is blocked while on the surface, except during the first 10 minutes after surfacing from a dive.
Page 87: Digital.gauge.mode
DIGITAL GAUGE MODE...
Page 88: Gaug.surf.main.and.alts
GAUG SURF MAIN, information includes (Fig. 100): > SI (hr:min) with SURF icon; if no dive yet, this is time since activation > Time of Day (hr:min) with AM (or PM) icon if 12 Hour Format; no icon if 24 Hour Format >...
Page 89: Gaug.surf.menu
• A (< 2 sec) - to access ALT 2. • M (< 2 sec) - to step back to Main. • L (press) - to activate Backlight. GAUG SURF ALT 2, information includes (Fig.88): > Temperature with ° icon and graphic F (or C) >...
Page 90: Gaug.dive.main.and.alts
Upon descent to 5 FT (1.5 M) for 5 seconds, operation will enter Gauge Dive Mode. GAUG DIVE MAIN, information includes (Fig. 103A, B) - > Current Depth with FT (or M) icon > Max Depth with MAX and FT (or M) icons; or graphic TMR >...
Page 91 If a descent is made to 5 FT (1.5 M) for 5 seconds, the dive will be continued. Surface time will not be added to Dive Time. Once a dive is completed in Gauge Mode, operation will lock into Gauge Mode for 24 hours. GAUG DIVE ALT 1, information includes (Fig.
Page 92: Dv3.(Delayed.violation.3)
DV 3 (DELAYED VIOLATION 3) Upon descent deeper than the MOD**, the audible will sound and the alarm LED will flash. Also, the Up Arrow will flash, and Current Depth and Max Depth will only indicate 3 dashes ( - - - ) signifying that you are too deep (Fig.
Page 93: Free.dive.mode
FREE DIVE MODE...
Page 94: Free.surf.main.and.alts
FREE SURF MAIN, information includes (Fig. 108): > Surface Interval time (min:sec up to 59:59, then hr:min) with SURF icon; if no dive yet, this is time since activation > Time of Day (hr:min) with AM (or PM) icon > Graphic FRE >...
Page 95: Free.surf.menu
• A (< 2 sec) - to access ALT 2. • M (< 2 sec) - to step back to Main. • L (press) - to activate Backlight. FREE SURF ALT 2, information includes (Fig. 110): > Temperature with ° icon and graphic F (or C) >...
Page 96 CDT Lead-in, information includes (Fig. 111): > Graphics Cdt and FRE • A (< 2 sec) - to step forward to Set FA Lead-in. • M (< 2 sec) - to step back to ALT 2. • S (< 2 sec) - to access CDT Status. CDT Status, information includes (Fig.
Page 97 When a set Countdown Time reaches 0:00, the audible will sound during which time the graphic CDT will be displayed flashing on the Surface or Dive Main until the audible is silent. Set CDT, information includes (Fig. 113): > Graphics SEt and CDT >...
Page 98: Set.fa.menu.(Free.alarms)
SET FA MENU (FREE ALARMS) Sequence >> Lead-in >> EDT >> DA1 >> DA2 >> DA3 Set Points remain as set until changed. Set FA Lead-in, information includes (Fig. 115): > Graphics SEt and FA • A (< 2 sec) - to step forward to Set M Lead-in. •...
Page 99: Set.da.(Depth.alarms)
DA (DEPTH ALARMS) There are 3 Free Depth Alarms (DAs) that can be set at progres- sively deeper depths*. *The DA2 setting must be deeper than DA1 and DA3 must be deeper than DA2. Set DA1 Alarm, information includes (Fig. 117A, B): >...
Page 100: Select.m.(Dive.mode)
SET M (DIVE MODE) Set M and selecting a Dive Operating Mode (Fig. 118) is similar to that previously described for NORM. Refer to page 59. SHARED SETTINGS To change items that FREE Mode shares with NORM Mode, access the NORM Menu, then Set U, then - >...
Page 101: Free.dive.main.and.alts
FREE DIVE MAIN, information includes (Fig. 119) - > Current Depth with FT (or M) icon > DTR (min) with NDC and min icons > Temperature with ° icon anf graphic F (or C) > EDT (min:sec) with DIVE and min sec icons >...
Page 102 FREE DIVE ALT 1, information includes (Fig. 121) - > Remaining Countdown Time (min:sec) if On and a CD is in progress or 0:00 if On and the CD is complete, with colon flashing. If Off, the CD Time previously set is displayed with colon solid indicating it is ready to start.
Page 103: Free.dive.alarms
FREE DIVE ALARMS FREE mode alarms, which are separate from NORM (or GAUG) alarms, sound either 1 or 3 times as 3 beeps then clear. They cannot be acknowledged or silenced. FREE CDT Alarm When a set Countdown Time reaches 0:00, the audible will Fig. 123 - CDT AL sound during which time the graphic CDT will flash on the Main in place of Temperature (Fig.
Page 104 High Nitrogen Alarms When nitrogen increases to the caution level (4 TLBG segments), the audible will sound during which time the TLBG segments will flash on the Main (Fig. 126). In the event that nitrogen continues to increase and reaches the Deco level, the audible will sound again during which time all 5 TLBG segments, the Up Arrow icon, and the graphic VIO (in Fig. 126 - FREE TLBG AL...
Page 105: Reference
REFERENCE...
Page 106: Pc.interface
PC INTERFACE The GEO 2 is configured with a Data Port (Fig. 111a) that enables it to be connected to a PC USB port using a special interface cable that is available as an optional accessory. The USB Driver required for the interface system is download- able from the Oceanic Worldwide web site.
Page 107 Upon sensing an interface connection, the requesting device (PC) connects to the GEO 2 and is prepared for upload of settings or download of data which is then initiated using the PC program. During the process, there is a 2 minute window during which a PC countdown screen is displayed on the GEO 2 (Fig.
Page 108: Care.and.cleaning
Instrument Lens Protector. Small scratches will naturally disappear underwater. • Soak and rinse the GEO 2 in fresh water at the end of each day of diving, and check to ensure that the areas around the Low Pressure (Depth) Sensor (Fig. 131a), PC Interface Data Port (Fig.
Page 109 Oceanic recommends that you continue to have an inspection performed every year to ensure it is working properly. The costs of annual inspections, or inspections relating to water tight integrity, are not covered under the terms of the 2 year limited warranty.
Page 110: Battery.replacement
Inspect the Buttons, Lens, and Housing to ensure they are not cracked or damaged. If there is any sign of moisture in the GEO 2, DO NOT attempt to use it for diving until it receives proper service by an authorized Oceanic facility.
Page 111 WARNING: If damage, moisture, or corrosion is found, return your GEO 2 to an Authorized Oceanic Dealer, and DO NOT attempt to use it until it has received factory prescribed service.
Page 112: Battery Installation
Battery Cover. Ensure that it is evenly seated (Fig. 135). *The O-ring must be a genuine Oceanic part that can be purchased from an Fig. 135 - COVER O-RING Authorized Oceanic Dealer. Use of any other O-ring will void the warranty.
Page 113: Altitude.sensing.and.adjustment
> At Sea Level, calculations are based upon an Altitude of 6,000 feet. > All adjustments for Altitudes greater than 11,000 feet (3,355 meters) are then made to allowable dive times for 14,000 feet (4,270 meters). > The GEO 2 will not function as a Dive Computer above 14,000 feet (4,270 meters).
Page 114 (NDC time) are carried over from one operating mode to the other, which permits the user to maintain awareness of nitrogen absorption and offgasing status. • The mathematical models currently used in the GEO 2 are based on no decompression/ decompression multilevel repetitive dive schedules.
Page 115: Technical.data
TECHNICAL DATA...
Page 116: Pz+.Algorithm.ndl.chart
PZ+ ALGORITHM >> NDLS (HR:MIN) AT ALTITUDE (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 2:08 2:02...
Page 117: Dsat.algorithm.ndl.chart
DSAT ALGORITHM >> NDLS (HR:MIN) AT ALTITUDE (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 2:45 2:36...
Page 118: Specifications
SPECIFICATIONS CAN.BE.USED.AS • Watch • Dive Computer (Air or Nitrox) • Digital Depth Gauge/Timer • Free Dive activity DIVE.COMPUTER.PERFORMANCE • Buhlmann ZHL-16c based PZ+, or DSAT based, algorithm. • No Deco limits closely follow PADI RDP. • Decompression in agreement with Buhlmann ZHL-16c and French MN90. • No Deco Deep Stops - Morroni, Bennett. • Deco Deep Stops (not recommended) - Blatteau, Gerth, Gutvik. • Altitude - Buhlmann, IANTD, RDP (Cross). • Altitude corrections and O2 limits based on NOAA tables. OPERATIONAL.PERFORMANCE Function: Accuracy: • Depth ±1% of full scale • Timers 1 second per day Dive.Mode.Activation: • Must be in Dive Computer mode, if Wet Activation is set OFF. • Automatic by immersion in water, if Wet Activation is set ON. • Cannot be manually activated deeper than 4 FT (1.2 M), if Wet Activation is set OFF. • Cannot operate as a DC at elevations higher than 14,000 feet (4,270 meters) Dive.Counter: • NORM/GAUG displays Dives #1 to 24, FREE displays #1 to 99 (0 if no dive made yet).
Page 119 SPECIFICATIONS (CONTINUED) Dive.Log.Mode: • Stores 24 most recent NORM/GAUG dives in memory for viewing. • After 24 dives, adds 25th dive in memory and deletes the older dive. Altitude: • Operational from sea level to 14,000 feet (4,270 meters) elevation. • Measures ambient pressure every 30 minutes in Watch mode, when Dive Computer mode is accessed, and every 15 minutes while in DC Surface modes. • Does not measure ambient pressure when Wet. • Compensates for Altitudes above sea level beginning at 3,001 feet (916 meters) elevation and every 1,000 feet (305 meters) higher. Power: • (1) 3 vdc, CR2430, Lithium battery (Panasonic or equivalent) • Shelf life Up to 7 years when shipped from factory in deep sleep mode. • Replacement User (annual recommended). • Use Life 1 year or 300 dive hours if (2) 1 hour dives per day. Battery..Indicator: • Warning - icon on solid when <= 2.75 volts, Battery change recommended. • Alarm - icon on flashing when <= 2.50 volts, change the Battery, will not function as a DC. Operating.Temperature: • Out of the water - between 20 °F and 140 °F (-6 and 60 °C). • In the water - between 28 °F and 95 °F (-2 and 35 °C). BAR.GRAPHS: TLBG segments...
Page 120 SPECIFICATIONS (CONTINUED) VARI 60 FT (18 M) & Shallower Deeper than 60 FT (18 M) segments FPM MPM segments FPM 0 0 - 10 0 - 3 0 0 - 20 0 - 6 • Normal zone 1 11 - 15 3.5 - 4.5 1 21 - 30 6.5 - 9 Normal zone 2 16 - 20 5 - 6 2 31 - 40 9.5 - 12 Normal zone 3 21 - 25 6.5 - 7.5 3 41 - 50 12.5 - 15 • Caution zone 4 26 - 30 8 - 9...
Page 121 SPECIFICATIONS (CONTINUED) NUMERIC.DISPLAYS:. Range: Resolution: • NORM/GAUG SI Time 0:00 to 23:59 hr:min 1 minute • NORM/GAUG Dive Number 0 to 24 • NORM/GAUG EDT 00 to 999 min 1 minute • FO2 Set Points Air, 21 to 100 % • PO2 Value 0.00 to 5.00 ATA .01 ATA • O2 Saturation 0 to 100 % • Dive Time Remaining 0 to 999 min 1 minute • No Deco Deep Stop Time 2:00 to 0:00 min:sec 1 second • No Deco Safety Stop Time 5:00 to 0:00 min:sec 1 second • Safety Stop Run Timer 0:00 to 9:59 min:sec 1 second • GAUG Dive Run Timer...
Page 122: Inspection/Service.record
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...
Page 123: Oceanic.world.wide
OCEANIC.WORLD.WIDE OCEANIC USA 2002 Davis Street San Leandro, CA 94577 Tel: 510/562-0500 Fax: 510/569-5404 Web: www.OceanicWorldwide.com E-mail: hello@oceanicusa.com OCEANIC UK OCEANIC AUSTRALIA Devon, United Kingdom Rosebud, Victoria, Australia Tel: (44) 1404-891819 Fax: +44 (0) 1404-891909 Tel: 61-3-5986-0100 Fax: 61-3-5986-1760 Web: www.OceanicUK.com Web: www.OceanicAUS.com.au E-mail: helpyou@oceanicuk.com E-mail: sales@OceanicAUS.com.au OCEANIC NORTHERN EUROPE OCEANIC HAWAII and MICRONESIA Augsburg, Germany Kapolei, Hawaii Tel: +49 (0) 821 810342 0 Fax: +49 (0) 821 810342 29 Tel: 808-682-5488 Fax: 808-682-1068 Web: www.oceanic.de E-mail: lbell@oceanicusa.com E-mail: office@oceanic.de OCEANIC ASIA PACIFIC OCEANIC FRANCE Singapore Nice, France Tel: +65-6391-1420 Fax: +65-6297-5424 Tel: +33.(0)4 93 72 43 00 Fax: +33.(0)4 93 72 43 05 E-mail: info@oceanicasia.com.sg E-mail: info@subaquadis.fr OCEANIC JAPAN OCEANIC ITALY Yokohama Kanagawa-Prev, Japan Genova, Italy Tel: 03-5651-9371 Tel: +39 010 545 1212 Fax: +39 010 518 4232 E-mail: mamoru@jecee.com...

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