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Oceanic Watch / Dive Computer GEO User's Manual

1. read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information NORM TYPE DIVE MODES 77 CES 5045 a E Fig 68 WATCH TIME Fig 69 DIVE COMPUTER MAIN 78 WET ACTIVATION CONTACTS The Wet Contact Dive Mode Activation feature is active any time WET ACTIVATION is set ON The GEO is configured with contacts that will automatically activate Dive Mode when the space between the contacts is bridged by a conductive material immersed in water and it senses a Depth of 5 FT 1 5 M for 5 seconds The contacts are the pins of the PC Interface Data Port and the stems of the Push Buttons As long as the contacts are bridged on the Surface the graphic WET will alternate with the Day of Week graphic SUN on the Watch Main and Alternate Time screens Fig 68 and the graphics NORM and SEA or EL2 to EL13 on the NORM GAUG and FREE Surface Main screens Fig 69 Upon removing the bridge between the contacts drying the GEO the graphic WET will no longer be displayed The GEO will continue checking for Depth until a dive is made or it reverts to the Watch Time screen after 2 hours NORM NO DECOMPRESSION DIVE MODE When the Wet Activation feature is set ON the GEO will enter the NORM No Decompression Dive Mode any time a descent is made to 5 FT
2. OCCANIC Watch Dive Computer operating manual max NI FULL LCD Components 77079000 5 Mode M Button Select S Button Light L Button Advance A Button LED Warning Light Bar Graph Log Mode Ascend con Surface Interval 02 Time Remaining No Deco Time Remaining Total Ascent Time FO2 Set Point Degrees con Stop Time Required Elapsed Dive Time con PO2 Icon Nitrox con Daily Alarm set con Low Battery con Depth Max Depth Descend FULL LCD WARRANTY NOTICES DECOMPRESSION MODEL INITIAL ACTIVATION INTRODUCTION AND GENERAL FEATURES AND DISPLAYS INTERACTIVE CONTROL CONSOLE OPERATING MODE STRUCTURE OPERATION AS A DIVE COMPUTER PC INTERFACE SYMBOLS AND ALPHA NUMERIC GRAPHICS AUDIBLE ALARM BACKLIGHT POWER SUPPLY WATCH FEATURES AND DISPLAYS LOCAL DEFAULT TIME MAIN TIME SET MAIN ALTERNATE TIME SET ALTERNATE TIME COUNTDOWN TIMER SET COUNTDOWN TIMER CHRONOGRAPH DAILY ALARM SET DAILY ALARM DIVE COMPUTER FEATURES AND DISPLAYS BAR GRAPH ALPHA I NUMERIC DISPLAYS Depth Displays Time and Date Displays Temperature Display CONTENTS continued DIVE COMPUTER SURFACE SEQUENCE AND OPERATING MODES DC OPERATING MODES SURFACE MODE NORM Surface Mode NORM
3. Fig 77 DECO STOP 83 eid He EUN 84 996 The amount of decompression Credit Time that you receive is dependent on Depth with slightly less Credit given the deeper you are below the Stop Depth indicated You should stay slightly deeper than the Required Stop Depth indicated until the next shallower Stop Depth appears Then you can slowly ascend to but not shallower than that indicated Stop Depth DECO STOP MAIN DISPLAY Default information provided includes Fig 78 gt gt all 5 segments indicating DECO Graphic message DECO gt STOP gt xxF or scrolling indicating the Stop Depth required Current Depth with FT or M icon Total Ascent Time hr min with TIME and TAT icons Stop Time hr min required with STOP and TIME icons Nx icon if FO2 is set for Nitrox Press release the A button lt 2 sec to view the Deco Stop 1 screen TAT Total Ascent Time TAT Fig 78a includes Stop Times required at all required DECO Stop Depths plus vertical Ascent Time calculated at 60 we FPM 18 MPM for depths deeper than 60 FT 18 M and 30 Fig 78 DECO stop FPM 9 MPM for depths of 60 FT 18 and shallower MAIN DECO STOP ALT 1 DISPLAY information provided includes Fig 79 E A gt TLBG all 5 segments indicating DECO 5 OP D el gt Graphic message DECO gt STOP gt xxF or xxM Le 00b scrolling indicating the Stop De
4. Pressing and releasing the S button lt 2 seconds will reg silence and acknowledge the Daily Alarm if its set and it sounds ses Pressing the L button will activate the Backlight Depressing and holding the M button for 2 seconds will Ey revert to the Local Default Watch Time screen MAIN or Fig 16 WATCH ALTERNATE TIME COUNTDOWN TIMER 25 Fig 17 SET WATCH C Fig 18 CD TIMER 26 STARTED 7 2 gt Depressing both the and S buttons simultaneously for 2 seconds will access the SET WATCH COUNT DOWN TIMER screen indicated by the graphics TIMR and SEt symbol TIME and HOUR Set Point flashing Fig 17 If no button is pressed during a period of 2 minutes the unit will revert to the Local Default Watch Time screen Depressing and holding the S button while the HOUR Set Point is flashing will scroll through the Set Points in 1 hour increments at a rate of 4 per second from O to 23 hr Pressing and releasing the A button momentarily lt 2 seconds will save the HOUR Set Point and or advance to SET MINUTES with the MINUTES Set Point flashing Depressing and holding the S button while the MINUTES Set Point is flashing will scroll through the Set Points in 1 minute increments at a rate of 4 per second from 00 to 59 min Pressing and releasing the A button momentarily lt 2 seconds will save the MINUTES Set Point and or advance to the COUNTDOWN TIMER screen indicate
5. FREE DEPTH ALARMS FDA The GEO features 3 FREE DEPTH Alarms that can be Set at progressively deeper Depths and turned OFF ON gt f Alarm 1 is set OFF then Alarms 2 and 3 will be disabled gt f Alarm 2 is set OFF Alarm 3 will be disabled When each of the Depths are reached during a dive 3 short beeps will sound 3 times and the message DPTH will be displayed 3 times Pressing releasing the A button momentarily lt 2 seconds while the SET FREE EDT ALARM screen is displayed will access SET FREE DEPTH ALARM 1 with the Set Point flashing Sequence of FREE Mode Alarm Setting Access FREE SURF MAIN depress and 2 seconds gt gt SET FREE EDT AL press A less than 2 seconds SET FREE DEPTH AL 1 press A less than 2 seconds gt gt SET FREE DEPTH AL 2 press A less than 2 seconds gt gt SET FREE DEPTH AL 3 press A less than 2 seconds gt gt FREE SURF MAIN 112 SET FREE DEPTH ALARM 1 FDA1 DISPLAY information provided includes Fig 104 Graphic FDAT gt Depth Alarm value flashing if ON is displayed with MAX and FT or M icons gt Set Point ON or OFF flashing e Pressing releasing the S button momentarily lt 2 seconds will toggle the Set Point between ON and OFF e Pressing releasing the A button momentarily lt 2 seconds will accept the ON OFF settings gt If OFF is selected accepted Set FDA 2 and 3 will be bypassed and the display will revert to the FREE SURF MAIN sc
6. gt gt gt Graphic PLAN FO2 Set Point with FO2 icon PO2 Alarm Set Point ATA with Nx and PO2 icons when numerical values are displayed Press and release the S button momentarily 2 seconds to access the first screen 30 FT 9 M of the PDPS PDPS information includes Fig 55 gt gt gt Plan Depth value with F feet or M meters graphic Max Depth allowed for the PO2 Alarm value set with MAX and FT or M icons if FO2 is set for Nitrox Dive Time allowed hr min for the FO2 value set with TIME and NDC or O2 if Oxygen controlled icons PO2 Alarm Set Point x xx ATA with Nx and PO2 icons if FO2 is set for Nitrox Press and release the S button momentarily and repeatedly lt 2 seconds each time to step through the Planned Depths in increments of 10 FT 3 M displaying the information one screen at a time Depress and hold the M button for 2 seconds to exit the PDPS and revert to the NORM SURF MAIN screen 3 Fig 54 PLAN LEAD IN Fig 55 PDPS FLY MODE Time to Fly is a counter that begins counting down 10 minutes after surfacing from a dive from 23 50 to 0 00 hr min Ten minutes after surfacing from a NORM GAUG or FREE dive operation reverts to the Watch Mode Time screen with the Time to Fly Countdown running in the background Access to the FLY screen can then be gained by first accessing the NORM GAUG SURF MAIN screen Pressing and releasing t
7. 866 732 7877 8 Am to 5 Pm Pacific time 100 WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information GAUGE OPERATING MODE 101 GAUGE MODE When Gauge Mode GAUG is selected as the Dive Computer Operating Mode the GEO will operate as a Digital Depth Gauge Timer without performing nitrogen and oxygen calculations To access GAUG Operating Mode while Watch MAIN TIME is displayed press the M button 2 times 2 seconds each time or while the NORM SURF MAIN screen is displayed press the M button 1 time for 2 seconds The graphic GAUG will flash indicating that GAUG can be selected as the Operating Dive Mode To select GAUG for diving press release the M button while the GAUG graphic is flashing When the graphic becomes solid GAUG Mode is selected for the type of dives to be conducted If no GAUG dive has been conducted press the M button for 2 seconds to advance to the FREE SURF MAIN Display WATCH MAIN TIME NORM SURF GAUG SURF FREE SURF GAUG SURF MAIN DISPLAY Default Fig 93 22 gt Graphic GAUG alternating with the Altitude Level graphic A SEA EL2 through EL13 and WET if wet
8. Graphic No with the dive number 1 to 24 for that series Log icon Time of Day the dive began hr min with TIME icon and graphic Am or P Pm if set for 12 Hour Format This will be the Local Default Time selected either Main or Alternate with lazy 8 symbol if Alternate Date month day or day month if set for metric Nx icon if FO2 was set for Nitrox Depressing the S button for 2 seconds will display the previous dive s PREVIEW screen Subsequent 2 second presses of the S button or holding it depressed will step scroll through other previous dives PREVIEW screens Pressing and releasing the S button momentarily lt 2 seconds while viewing a PREVIEW screen will display that dive s LOG DATA 1 screen Pressing and releasing the A button momentarily 2 seconds will advance to the NORM or GAUG SURF MAIN screen Depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM GAUG HISTORY 1 screen Pressing the L button will activate the Backlight gt LOG DATA 1 information includes Fig 59 TLBG with the maximum accumulation segment flashing D others fixed up to end of dive accumulation All segments 4 Memia flashing if a Violation occurred Graphic NO D DECO GAUG or VIOL indicating the type of dive when completed Log icon Pre dive Surface Interval time hr min with SURF and TIME Fig 59 LOG DATA 1 icon
9. lt 2 sec or depressing Set point for the M button for 2 seconds or if no button is pressed the NORM during a period of 2 minutes the display will revert to the GAUG EDT FREE SURF MAIN screen Alarm does not affect the FREE FREE EDT ELAPSED DIVE TIME ALARM EDT Alarm The FREE EDT Alarm is factory set for 30 seconds When set ON the Alarm will sound 3 short beeps and the message TIME will be displayed momentarily every 30 seconds while the GEO is operating underwater in FREE DIVE Mode Depressing both the A and buttons simultaneously for 2 seconds while the FREE SURF MAIN screen is displayed will access the SET FREE EDT ALARM screen with the Set Point flashing NOTE The FREE EDT Alarm can only be Set turned OFF or ON while on the Surface and can not be changed during a Dive SET FREE EDT ALARM DISPLAY information provided in CS cludes Fig 103 ge j gt Graphic EDT M 39 gt Pre set interval 30 sec with TIME icon Dn Set Point graphic OFF or ON flashing ng Fig 103 SET FREE EDT ALARM Pressing releasing the S button momentarily lt 2 seconds will toggle the Set Point between OFF and ON Pressing releasing the A button momentarily 2 sec will accept the setting and access the SET FREE DEPTH ALARM 1 screen Depressing the M button 2 seconds or if no button is pressed during a period of 2 minutes the display will revert to the FREE SURF MAIN screen
10. 39 n 835 Fig 33 M SURF fD P pen 40 When the 10 minute Surface Time has elapsed the Local Default Watch TIME screen Main or Alternate Time will replace the Surface Mode display The SURF MAIN screen can then be accessed by pressing the M button for 2 seconds NORM SURF MAIN information provided includes Fig 33 gt Tissue Loading Bar Graph TLBG if any after a NORM or FREE dive gt Graphic NORM alternating with the Altitude Level graphic SEA or EL2 through EL13 and WET if the unit is wet each On 3 seconds then 1 4 second blank gt Surface Interval Time hr min with SURF and TIME icons gt Battery icon if a Low Battery Warning Condition exists flashing if Too Low gt Number of that dive 0 if no dive has been made yet with DIVE icon gt Nx icon if FO2 is set for a Nitrox dive NORM SURF MAIN Button Operations Pressing the L button will activate the Backlight Repeat press release of the A button 2 seconds each time will step through the Surface Sequence SURF MAIN gt PLAN gt FLY gt SAT gt LOG gt HISTORY Depressing and holding the A button for 2 seconds will access the NORM SURF AIT screen which will revert to the Main Display after 5 seconds unless A is pressed Pressing and releasing the A button 2 seconds while viewing the ALT screen will access the Secondary Display which will revert to the Main Display after 5 seconds or if A is pressed and
11. Alert When the FREE CDT decreases to 0 00 3 short beeps will sound 3 times and the message TIMR will appear on the display 3 times momentarily Fig 110 then revert to the message FREE FREE DEPTH Alarm s When Depth reaches the FREE DEPTH ALARM 1 Set Point selected 3 short beeps will sound 3 times the red LED will flash and the message DPTH will appear on the display 3 times momentarily Fig 11 1 then revert to the message FREE The beeps and message will be repeated when Depth reaches the FREE DEPTH ALARM 2 and 3 Set Points selected if set ON gt If Ascent is made above a FREE DEPTH ALARM Set Point and then a descent is made to a Depth below it the respective Alarm FDA will sound again FREE EDT Elapsed Dive Time Alarm When the FREE EDT Alarm is set ON prior to commencing a Free Dive 3 short beeps will sound the red LED will flash and the message TIME will appear on the display momentarily Fig 112 then revert to the message FREE This Alarm is factory set to repeat every 30 seconds during FREE DIVE Mode when it is set ON FREE TLBG Tissue Loading Bar Graph Alarm While diving in FREE DIVE Mode nitrogen accumulation from CREER the FREE Dives and any previous NORM SCUBA Dives D conducted within 24 hours is displayed as When Nitrogen Loading increases to the Caution level indi cated by 4 segments displayed as the TLBG the UP Arrow appears soli
12. The YEAR will not be displayed in any EJ Mode other than SET DATE The DATE will reset 501 J to 1 1 2006 when the Battery is replaced Spes Fig 12 SETMONTH Depressing and holding the S button while the MONTH Set Point is flashing will scroll through the Set Points in 1 month increments at a rate of 4 per second from 1 to 12 Pressing and releasing the A button momentorily 2 Cams JAN seconds will save the Month Set Point and or advance to SET DAY with the Set Point flashing and the graphic DAY 390E Fig 13 N ni Depressing and holding the S button while the DAY Set vd Point is flashing will scroll through the Set Points in one Ed day 01 increments at a rate of 4 per second from 1 to 31 Fig 13 SET DAY or the highest Day for the Month set 22 Pressing and releasing the button momentarily lt 2 seconds will save the Set Point and or advance to the MAIN TIME screen NOTE DAY of the WEEK is set automatically based upon the Date that has been set ALTERNATE TIME Pressing and releasing the M button momentarily 2 seconds while the MAIN TIME screen is displayed will access the ALTERNATE TIME screen Information provided includes Fig 14 Tissue Loading Bar Graph if any after NORM FREE dives Alarm icon solid if the Daily Alarm is set On Day of the Week graphic MON TUE WED THU FRI SAT SUN or WET if the unit is wet Battery icon if a Low Battery Con
13. and the red LED will flash even if Set OFF When these events occur the Alarm cannot be acknowledged silenced by pressing the S button DELAYED VIOLATION 1 Fig 83 If you remain above Required DECO Stop Depth ds than 5 minutes the full TIBG and DOWN Arrow will flash until N you descend below the Required Stop Depth Also the 1207 graphic message DOWN gt TO gt xF or will continue to scroll This is a continuation of a Conditional Violation Fig 83 DELAYED VIOLATION 1 MAIN 87 Je 2 WE Fig 84 DELAYED VIOLATION 2 MAIN Fig 85 DELAYED VIOLATION 3 MAIN 88 DELAYED VIOLATION 2 Fig 84 The GEO cannot calculate Decompression times for Stop Depths much greater than 60 FT 18 and offers no indica tion of how much time spent underwater would result in the need for a greater Stop Depth If the Decompression obligation requires a Deco Stop Depth between 60 FT 18 and 70 FT 21 the TLBG will flash and the graphic message DECO gt STOP gt 60F 18M will scroll at the top of the display When this occurs you must make a controlled Ascent to just deeper than and stay as close as possible to 60 FT 18 M without causing the TLBG to flash When the Required Stop Depth indicates 50 FT 15 M etc you can ascend to those Stop Depths and continue decom pressing DELAYED VIOLATION 3 Fig 85 If you descend deeper than the MOD Maxim
14. entry into FREE DIVE Mode CDT operation will continue if in progress The Set Point for the Watch CDT does not affect the FREE CDT 109 I M NOTE During dive the be turned CN OFF stopped and ON started but not Set 26859 SET FREE CDT STATUS DISPLAY SURFACE ONLY information provided includes Fig 102 N m gt Fig 101 SET FREE CDT gt ER TA wan 00 j SIF lt e Fig 102 FREE CDT SET READY 110 Graphic TIMR solid Timer setting min sec with the TIME icon colon solid MINUTE Set Point flashing Graphic SEt solid Depressing holding the S button while the MINUTE Set Point is flashing will scroll through the Set Points at a rate of 4 per second from 0 to 59 in 1 Minute 1 increments Pressing releasing the A button momentarily 2 seconds will save the MINUTE Set Point displayed and advance to Set SECONDS with the Set Point flashing Depressing holding the S button while the SECONDS Set Point is flashing will scroll through the Set Points at a rate of 4 per second from 00 to 59 in 1 Second 01 increments Pressing releasing the A button momentarily lt 2 seconds will save the CDT Set Point indicated by the graphic OFF flashing Fig 102 in place of the graphic SEt Pressing releasing the S button momentarily lt 2 seconds will toggle to ON and Start the CDT Pressing the A button momentarily
15. 03 2 10 1 06 0 41 0 29 0 20 0 16 0 11 0 09 0 07 0 06 0 06 0 05 0 04 0 04 0 04 0 03 0 03 2 04 1 03 0 39 0 28 0 19 0 14 0 10 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 04 0 03 0 03 1 58 1 01 0 37 0 27 0 18 0 13 0 10 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 03 0 03 0 03 129 METRIC NO DECOMPRESSION LIMITS HOURS MINUTES ALTITUDE Altitude 0 611 916 122V 1526 1831 2136 2441 2746 3051 3356 3661 3966 meters to to to to to to to to to to to to 610 915 1220 1525 1830 2135 2440 2745 3050 3355 3660 3965 4270 Depth meters 4 43 3 51 3 37 3 24 3 10 2 58 2 48 2 39 2 31 2 24 2 18 2 12 2 07 12 2 24 2 03 1 52 1 44 1 37 1 30 1 25 1 21 117 113 1 10 1 07 1 04 15 1 25 1 10 1 06 1 03 1 00 0 57 0 55 0 52 0 49 0 46 0 43 0 41 0 39 18 0 59 0 49 0 45 0 42 0 40 0 38 0 36 0 34 0 32 0 31 0 30 0 29 0 28 21 0 41 0 34 0 33 0 31 0 29 0 28 0 27 0 26 0 24 0 23 0 21 0 20 0 19 24 0 32 0 27 0 26 0 24 0 22 0 21 0 20 0 19 0 18 0 17 0 16 0 15 0 14 27 0 25 0 21 0 19 0 18 0 17 0 16 0 16 0 14 0 13 0 12 0 12 0 11 0 10 30 0 20 0 17 0 16 0 15 0 13 0 12 0 12 0 11 0 10 0 10 0 09 0 09 0 08 33 0 17 0 14 0 12 0 11 0 11 0 10 0 09 0 09 0 08 0 08 0 08 0 07 0 07 36 0 14 0 11 0 10 0 09 0 09 0 08 0 08 0 07 0 07 0 07 0 06 0 06 0 06 39 0 11 0 09 0 08 0 08 0 07 0 07 0 07 0 06 0 06 0 06 0 06 0 05 0 05 42 0 09 0 08 0 07 0 07 0 07 0 06 0 06 0 06 0 05 0 05 0 05 0 05 0 05 45 0 08 0 07 0 06 0 06 0 06 0 06 0 05 0 05 0 05 0 05 0 05 0
16. 1 5 M for 5 seconds When the Wet Activation feature is set OFF the GEO will not enter Dive Mode upon descent unless it is operating in one of the NORM Dive Computer modes menus at that time Modes such as Surface Mode Plan Fly etc At any time during the dive Press the L button to activate the Backlight Press release the S button to acknowledge silence Alarms NORM NO DECO DIVE MAIN Display Default information provided includes Fig 70 gt gt gt gt gt TLBG loaded segments representing Nitrogen loading Current Depth with FT or M icon Dive Time Remaining hr min with TIME and NDC O2 icons Elapsed Dive Time hr min with DIVE and TIME icons Nx icon if FO2 is set for Nitrox E Press release A button lt 2 sec to view the NORM KP DN E Dive Alternate ALT Display gb n B While the NORM Dive AIT screen is displayed press Oe release the A button lt 2 sec to view the common MU Secondary Display Temperature Time Fig 70 NORM NO DECO MAIN 79 NORM NO DECO DIVE ALT DISPLAY information pro Ge vided includes Fig 71 coxa 1 gt Bar Graph representing O2 Accumulated with graphic el 30 NES Fig 71 NORM NO DECO ALT O2BG if FO2 is set for Nitrox Max Depth with MAX and FT or M icons FO2 Set Point with FO2 icon if FO2 is set for Nitrox x xx ATA with PO2 icon if FO2 is set fo
17. BRUG gt Surface Interval Time hr min with SURF and TIME icons gt Battery icon if a Low Battery Warning Condition exists n UJU flashing if Too Low EN gt Dive Number with DIVE icon Fig 93 SURF 102 Press release the A button to access Fly Log and History Depress hold the A button for 2 seconds to view the Secondary Display Depress hold the A and S buttons simultaneously for 2 seconds to access the SET menu gt A gt Press the L button to activate the Backlight When GAUG Operating Mode is selected and upon descend ing to 5 FT 1 5 for 5 seconds the GEO will enter DIVE Mode NOTE Once a dive is made in GAUG Mode you must wait 24 hours after surfacing before the GEO resets and will operate as an Air or Nitrox dive computer in NORM Mode or FREE Dive Mode GAUG DIVE MAIN DISPLAY Default information pro vided includes Fig 94 Graphic GAUG Current Depth with FT or M icon gt Dive Time hr min with DIVE and TIME icons Press release the button to access the GAUG AIT display Fig 94 GAUG DIVE 103 DIVE ALT DISPLAY information provided includes Fig 95 GAUG DIVE Al 8 1 Fig 96 SECONDARY 104 Fig 95 gt Graphic GAUG gt Max Depth with MAX and FT icons gt Elapsed Dive Time hr min with DIVE and TIME icons Press release the A button to acce
18. Displayed will be the Lazy 8 symbol and graphic OFF or the numeric Hour Differential Set Point flashing Fig 15 Depressing and holding the S button while the Set Point is flashing will scroll through the Set Points in increments of 1 Hour at a rate of 4 per second Pressing and releasing the A button momentorily 2 seconds will save the Set Point and or advance to the ALTERNATE TIME screen Depressing and holding the M button for 2 seconds will revert to the MAIN TIME screen If no button is pressed during a period of 2 minutes the unit D will revert to the MAIN TIME screen serae COUNT DOWN TIMER WATCH COUNTDOWN TIMER HR MIN Pressing the M button momentarily 2 times lt 2 seconds each while the Local Default Time screen is displayed will access the Countdown TIMER screen displaying the remaining Count down Time hr min if running or OFF flashing Fig 16 and the previously set Countdown Time hr min if the set Count down started and has ended or OFF solid and 0 00 if no time was previously set Once set ON a Countdown will run in the background until it counts down to 0 00 or it is set OFF or a Dive is made at which time it will default to OFF and the value previously set When a set Countdown Time reaches 0 00 the Audible Alarm will beep 10 times and the red LED warning light will flash Pressing and releasing the S button 2 seconds will ERES acknowledge and silence the Alarm
19. Exposure Limits Based on NOAA tables WATCH MODES Main Time home SetTime Date Alternate Time remote location gt Set Alternate Time hour differential Countdown Timer gt Set Start Stop Chronograph Stop Watch Lap Timer gt Start Stop Lap Recall Reset Daily Alarm Watch Mode gt Set Time On Off DIVE COMPUTER SURFACE SEQUENCE MODES NORM GAUG FREE Surface Mode Plan 30 to 190 FT 9 to 57 M NORM only Time to Fly Countdown NORM GAUG Time to Desaturation Countdown NORM only Dive Log NORM GAUG History NORM GAUG Oxygen Data after Nitrox dives Set FO2 Alarms Utilities NORM GAUG NORM GAUG SET MODES Set F Group FO2 items Factory Settings FO2 Air 21 to 50 Air FO2 Default On Off On Set A Group Alarms Audible Alarm On Off On Depth 30 to 330 FT 10 to 100 M 330FT EDT 10 to 3 00 hr min 3 00 hr TLBG 1 to 5 segments 5 Deco DTR 00 to 20 min 20 min 2 1 20 to 1 60 ATA 1 60ATA 131 SPECIFICATIONS CONTINUED Set U Group Utilities Factory Settings Wet Activation On Off On Units Imperial Metric Imperial Safety Stop Time Depth Off 3 5 minutes 10 15 20 F7 3 4 5 6 M 3 00 min Conservative Factor On Off Off Backlight Duration 0 5 10 seconds 05 sec Sampling Rate 2 15 30 60 seconds 15 sec Serial Number Factory set actual NORM No Decompression Dive Displays Main default TLBG Elapsed Dive Time hr min Dive Tim
20. Operating Dive Mode To select a Mode for diving press release the M button while that graphic is flashing When the graphic becomes solid that Mode is then selected for the type of dives to be conducted The Operating Mode selected NORM GAUG or FREE will remain on display for 2 hours until a dive is made or Watch Mode is selected If a dive has been conducted within the past 24 hours the SURF MAIN screen for that Operating Mode NORM GAUG or FREE will be displayed At any time while operating in Surface Modes the GEO will enter Dive Mode upon descent to 5 FT 1 5 for 5 seconds During the 2 hour pre dive surface period if the M button is pressed to access other screens in the Watch Mode sequence Surface Mode must again be accessed prior to the first dive of a series if Wet Activation is set OFF When Wet Activation is set ON the Wet Contacts will activate the selected Dive Mode regardless of what Mode the GEO is operating in at the time of the descent The GEO will enter POST DIVE SURFACE MODE following a dive upon ascent to 2 FT 0 6 for 1 second The SURF icon will flash during the first 10 minutes after NORM GAUG dive Fig 32 or 1 minute after a FREE dive During the first 10 minutes after a dive the SURF MAIN screen for the Operating Mode selected prior to the dive NORM GAUG or FREE remains on display as the Default SURF MAIN Screen Fig 32 NORM SURFACE MODE Post Dive Wet
21. SAFE STOP and xxF or scrolling indicating the Stop Depth set gt Current Depth with FT or M icon gt Dive Time Remaining hr min with TIME and NDC or O2 4 7 CR icons gt Safety Stop Countdown Time set remaining min sec with E STOP and TIME icons gt Nx icon if FO2 is set for Nitrox Fig 73 NO DECO e Press release the A button to view the ALT 1 Display SAFETY STOP MAIN NO DECO SAFETY STOP ALT 1 DISPLAY information in Fig 74 NO DECO SAFETY STOP ALT 1 Ve cludes Fig 74 n ma representing Nitrogen loading Graphics SAFE STOP and xxF or xxM value of the Stop Depth set scrolling at the top Current Depth with FT or M icon Dive Time Remaining hr min with TIME and NDC or O2 icons Elapsed Dive Time hr min with DIVE and TIME icons Nx icon if FO2 is set for Nitrox The display will revert to the MAIN Display after 5 seconds unless the A button is pressed Press release the A button to view the ALT 2 Display NO DECO SAFETY STOP ALT 2 DISPLAY information vided includes Fig 75 gt Gow gt 4101 Jea Fig 75 NO DECO SAFETY STOP ALT 2 82 Bar Graph representing O2 Accumulated with graphic O2BG if FO2 is set for Nitrox Max Depth with MAX and FT or M icons FO2 Set Point with FO2 icon if FO2 is set for Nitrox x xx ATA with PO2 icon if FO2 is set for Nitrox Nx icon if F
22. STATUS screen FREE SURF CDT STATUS DISPLAY information provided in cludes Fig 100 101 gt Graphic TIMR gt Remaining Countdown time min sec with the colon flashing and the TIME icon if ON and a CD is in progress gt 0 00 will be displayed if the CD Timer is ON and no time is remaining gt If the CD Timer is OFF the CD Time min sec previously set will be displayed gt Graphic OFF or ON flashing Press release the S button momentarily lt 2 seconds to toggle between ON and OFF If a Time has been set a toggle from OFF to ON will Start the CD Timer indicated by the colon flashing An ON OFF toggle is prevented when S is operated to acknowledge silence the Watch Daily Alarm Pressing the A button momentarily lt 2 sec or depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes the Display will revert to the FREE SURF MAIN screen Depressing both the A and buttons simultaneously for 2 seconds while viewing the CDT Status screen when the CD Timer is OFF will access the SET CDT screen with the MINUTE Set Point flashing NOTES Once the CD TIMER has been Set and Started by selecting ON it will continue to run in the background while on the surface until turned OFF stopped or the Time reaches 0 00 at which time the Alarm will strike 3 short beeps 3 times the message TIMR will be displayed and the CDT will revert to OFF Upon descending to 5 FT 1 5 M i e
23. Subsequent presses of the S button will then have no effect Pressing and releasing the A button momentarily lt 2 seconds will Stop the Timer and Recall LAP1 displaying the graphic flashing and the LAP 1 Time Repeat presses will display other LAPs Times Fig 20 Depressing and holding the A button for 2 seconds will stop the Timer and reset the Time to 0 00 00 00 flashing Fig 19 CHRONO GRAPH 234658 N Fig 20 LAP RECALL 27 Pressing and releasing the M button momentarily lt 2 seconds will advance to DAILY ALARM Depressing and holding the M button for 2 seconds will revert to the Local Default Watch Time screen While the Chronograph is running it will remain on the screen until a button operation is performed If another screen is accessed it will then continue to run in the background Upon descending on a dive the Chronograph operation will be terminated and reset to 0 00 00 00 DAILY ALARM When set ON the DAILY ALARM will sound the Audible Alarm and flash the Red LED at the Time set every day Pressing the M button momentarily 4 times 2 seconds each time while the MAIN TIME screen is displayed will access the DAILY ALARM STATUS screen DAILY ALARM STATUS information provided includes Fig cete Fig 21 DAILY ALARM 28 STATUS gt 21 gt Alarm icon gt Graphics ALRM and ON or OFF flashing gt Alarm Time Set Point
24. The colon that separates hours and minutes minutes and a seconds blinks once per second when the display is indicating a EN real time e g Surface Interval Elapsed Dive Time and is solid non blinking when times are calculated projections e g 00 15 Time to Fly Plan X The Primary Time display is located inthe middle row of the p ct display Fig 28a Another time display Fig 28b is located in the lower row Both displays are identified by the symbol TIME When the GEO is operating in Dive Computer mode Date is displayed only to identify dives when they are accessed in the LOG Mode When Units of Measure are set for Imperial Month appears to the left of Day Fig 29a separated by a decimal point month day When set for Metric units the Month appears to the right of Day day month Temperature Display Ambient Temperature can be viewed on the surface and during dm Fig 29 DATE dives by accessing a Secondary Display Fig 30a 8 The lowest Temperature recorded during each NORM GAUG 19 dive is recorded in the LOG for that dive cedo Fig 30 TEMPERA 35 36 Each display represents unique pieces of information It is imperative that you understand the formats ranges and values of the information represented to avoid any possible misunderstanding that could result in error You must also understand the icons symbols and alpha numeric me
25. a separate TLBG Alarm Pressing and releasing the A button momentarily and repeatedly 2 seconds will step through the other SET A screens Depressing the and S buttons simultaneously for 2 seconds will save the setting and revert back to the SET A screen Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SET NORM TLBG TISSUE LOADING BAR GRAPH Ad 2 Te Fig 44 SET ALARM 50 ALARM information includes Fig 44 gt Graphic gt TLBG Set Point Bar Graph segments flashing Pressing and releasing the S button momentarily lt 2 seconds will decrease the Set Point from all 5 segments Deco to 1 in decrements of 1 segment Depressing and holding the S button will scroll through the Set Points at a rate of 4 Set Points per second until it is released Pressing and releasing the A button momentorily 2 seconds will save the setting and or advance to the SET DTR ALARM screen with the Set Point flashing Pressing and releasing the A button momentarily and repeatedly lt 2 seconds each time will step through the other SET A screens Depressing the and buttons simultaneously for 2 seconds will save the setting and revert back to the SET A screen Depressing and holding the M button for 2 seconds or if A A Whichever Time no butto
26. based on the FO2 setting selected Pressing and releasing the A button momentarily 2 seconds 1 time while the NORM SURF MAIN screen is displayed will access the PLAN MODE LEAD IN screen NORM SURF PLAN LEAD IN 59 While the PLAN LEAD N screen is displayed pressing and releasing the button momentarily and repeatedly 2 seconds each time will increase the Planned Depth in increments of 10 FT 3 displaying the information one Depth screen at a time Information provided includes Depths and allowable No Decompression Dive Times The PDPS will step through Depths from 30 to 190 FT 9 to 57 or to the Maximum Depth that will allow theoretical No Decompression Dive Time of at least 1 minute based upon the previous dive profiles in a series of repetitive dives and taking into account descent and ascent rates of 60 FPM 18 MPM NOTE When the Conservative Factor is set ON No Decom pression Dive times are reduced to the values of the next 3000 foot 915 meter higher Altitude Prior to the first dive of a series pressing and releasing the A button momentarily lt 2 seconds will advance to LOG MODE PLAN Lead In gt LOG After a dive is made it will advance to FLY MODE PLAN Lead In gt FLY Depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to he NORM SURF MAIN screen 60 PLAN MODE LEAD IN information includes Fig 54
27. day of diving and check to ensure that the areas around the Low Pressure Depth Sensor Fig 116a PC Interface Data Port Fig 116b and Buttons are free of debris or obstructions To dissolve salt crystals use lukewarm water slightly acidic bath 50 white vinegar 50 fresh water After removal from the bath place the GEO under gently running water and towel dry before storing Transport your GEO system cool dry and protected INSPECTIONS AND SERVICE Your GEO should be inspected annually by an Authorized Oceanic Dealer who will perform a factory prescribed function check and inspection for damage or wear To keep the 2 year limited warranty in effect this inspection must be completed one year after purchase 30 days Oceanic recommends that you continue to have an inspection performed every year to ensure it is working properly The costs of annual inspections are not covered under the terms of the 2 year limited warranty To Obtain Service Take your GEO to an Authorized Oceanic Dealer or send it to the nearest Oceanic Regional Distributor Facility page 173 To return your GEO to Oceanic Record all dive data the Log and or download the data in memory All data will be erased during factory service Package it using a protective cushioning material Include a legible note stating the specific reason for return your name address daytime phone number serial number s and a copy of your origin
28. displays the one that is in control of your dive It consists of 5 segments the left 4 represent No Decompression status and the fifth at the right indicates a Decompression condition When the GEO is set to operate in NORM Nitrox mode the Bar Graph will represent oxygen accumulation when the O2 data screen Alternate Display is accessed temporarily The graphic O2BG will appear as an indication Fig 24a Regardless of which parameter the Bar Graph is representing at the time nitrogen if NORM or FREE and oxygen if NORM calculations will continue to be performed in the background Displays associated with oxygen and the O2 Bar Graph will be displayed if FO2 has been set at a value other than Air e g numerical value and the Alternate screen that displays oxygen related data is accessed When the oxygen data screen is accessed during a NORM dive the Bar Graph will show the maximum of either per dive accumulated oxygen or 24 hour period accumulated oxygen As your oxygen exposure accumulation increases during a NORM dive segments will add to the O2 Bar Graph and as saturation decreases it will begin to recede indicating that additional exposure is allowed for that dive and 24 hour period The GEO will store oxygen accumulation calculations for up to dives conducted during a 24 hour period If the maximum limit for NORM dive oxygen loading has been exceeded for that day 24 hour period all of the segments
29. for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SERIAL NUMBER SN Depressing the and S buttons simultaneously for 8 seconds while viewing the NORM or GAUG SURF MAIN screen will access the SN screen displaying Fig 53 gt Graphic SN gt Factory programmed Serial Number of the GEO gt Firmware revision number e g graphic 1 ett Depressing the A and buttons simultaneously for 2 RU seconds will revert to the NORM or GAUG SURF MAIN screen Fig 53 SERIAL NUMBER 58 Depressing and holding the M button 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen NOTE The Serial Number and Firmware Revision will be requested in the event that you contact Oceanic regarding the GEO Enter them in the Records section provided in the back of this Manual NORM PLAN MODE Oceanic strongly recommends that you review the PDPS Pre Dive Planning Sequence prior to every NORM dive to help you Plan your dive as required to avoid exceeding no decompression or oxygen exposure limits This is especially important for repetitive dives when the PDPS indicates adjusted dive times that are available for the next dive based on residual nitrogen or oxygen accumulation whichever is in control following the last dive and surface interval NOTE Calculated No Decompression Dive Times in PLAN MODE are
30. in Set FO2 selections until a full 24 hour Surface Interval has elapsed If FO2 is set for 21 it will remain set for 21 for that series of dives until set for a higher numerical value SET FO2 information provided includes Fig 37 38 gt Graphic FO2 gt Max Depth allowed for the PO2 Alarm Set if FO2 is set for 21 to 50 Nitrox gt FO2 Set Point value flashing graphic Air or numerical j iL FORN i value with FO2 icon gt PO2 Alarm Set Point with PO2 icon for Nitrox Set Points gt Nxicon for Nitrox Set Points m 150 P Pressing and releasing the S button will advance FO2 in Fig 38 SET FO2 increments of 1 per press of the button 32 O2 setting 45 Depressing and holding the S button while the Set Point is flashing will scroll through the Set Points from AIR to 21 through 50 in 1 increments at a rate of 8 per second The scroll will stop when the button is released or momentarily at 32 even if the button is held depressed Depressing and holding the S button again will resume the scroll from 32 through 50 then stop at AIR or 21 Pressing and releasing the A button momentarily 2 seconds will save the setting and or advance to SET FO2 DEFAUIT with the Set Point flashing Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert back to the SET F screen e Depressing and holding the M button for 2 seconds or if no button is p
31. modeled and compared against a maximum allowable Nitrogen level Whichever one is closest to this maximum level is the controlling compartment for that Depth Its resulting value will be displayed numerically along with the TIME and NDC icons Fig 64a and graphically as the TLBG Fig 64b As you ascend from Depth following a dive that has ap proached the No Decompression Limit the TLBG segments will recede as control shifts to slower compartments This is a feature of the Decompression Model that is the basis for Multilevel Diving one of the most important features that Oceanic dive computers offer Fig 64 NO DECO DIVE TIME REMAIN ING 73 D del Jea IN Fig 65 O2BG T ami mb J N 5 ae lt prs Fig 66 O2 DIVE TIME REMAINING 74 The algorithm used is based upon Haldane s theory using maximum allowable nitrogen levels developed by Merrill Spencer Repetitive diving control is based upon experiments designed and conducted by Dr Ray Rogers and Dr Michael Powell in 1987 Diving Science and Technology DSAT a corporate affiliate of PADI commissioned these experiments Oxygen Accumulation Time Remaining OTR When FO2 is set for Nitrox Oxygen Accumulation saturation or exposure during a dive or 24 hour period appears graphically as the O2 Bar Graph Fig 65a when the Alter nate O2 screen is accessed As time remaining before reaching the Oxygen Exposure Limit
32. or advance to the SET CONS screen with the Set Point flashing Pressing the A button momentarily and repeatedly 2 seconds will step through the other SET U screens Depressing the A and S buttons simultaneously for 2 seconds will save the settings and revert back to the SET U screen e Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SET NORM FREE CONSERVATIVE FACTOR information includes Fig 50 Graphic CONS gt TIME and icons Set Point ON or OFF flashing Pressing and releasing the S button 2 seconds will toggle between ON and OFF Pressing and releasing the A button momentarily 2 seconds will save the setting and or advance to the SET TN BACKLIGHT DURATION screen with the Set Point flashing Pressing and releasing the A button momentarily and repeatedly lt 2 seconds each time will step through the other z OFF lt SETU screens Depressing the and S buttons simultaneously for 2 rine lt foie E seconds will save the setting and revert back to the SET U Fig 50 SET ser eeft CONSERVATIVE 56 Depressing and holding the M button 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen NOTE When the Conservative Factor is set ON No Deco Limit times are reduced t
33. released again Depressing both the A and buttons simultaneously for 2 seconds will access the SET Menu F gt A gt U and Serial Number screen MS SURF MAIN gt SET FO2 gt SET Alarms gt SET Utilities gt SN Depressing and holding the M button for 2 seconds will X access the GAUG SURF MAIN screen then another 2 second press will access the FREE SURF MAIN screen er Left Mode NORM SURF gt GAUG SURF gt FREE SURF cole Lower Right Light L Lower Left Advance A BUTTON LOCATIONS 41 Bar Graph with the graphic O2BG representing Oxygen P NORM SURF ALTERNATE information includes Fig 34 f Fig 34 NORM SURF ALTERNATE accumulation FO2 Set Point with FO2 icon Nx icon The display will revert to the NORM SURF MAIN screen after 5 seconds unless the A button is pressed Pressing and releasing the A button momentarily lt 2 seconds will access the SECONDARY screen Pressing the L button will activate the Backlight NORM SURF SECONDARY information includes Fig 35 gt gt gt ao 85 16F T ud Fig 35 NORM SURF SECONDARY 42 Day of the Week graphic SAT SUN MON TUE WED THU FRI Time of Day hr min Temperature with degree icon and graphic F or C The display will revert to the NORM SURF MAIN screen after 5 seconds unless the A button is pressed Pressing and releasing the A button momentarily lt 2 seconds
34. the Oceanic factory or an Authorized Regional Distributor Hot Swap If the new Battery can be inserted within 8 seconds after the old one is removed referred to as a Hot Swap settings and Ni O2 calculations for repetitive dives will be retained CAUTION Damage due to improper Battery replacement is not covered by the limited 2 year warranty Battery Removal Locate the Battery Compartment on the back of the unit Rotate the Battery Hatch clockwise 10 degrees using the special Battery Hatch Tool provided Fig 117 or by pushing the lower portion to the left while pushing the upper portion to the right Fig 118 Lift the Hatch with O ring up and away from the Housing e Using care not to damage the Contact Fig 119a slide the Battery up and out of the Left side of the Battery Compartment Discard the Battery according to local regulations governing disposal of Lithium batteries CAUTION DO NOT allow a metal object to short circuit the top of the Battery which is positive to the negative contact of the Battery Compartment Inspection e Closely check all of the sealing surfaces for any signs of damage that might impair proper sealing Inspect the Buttons Lens and Housing to ensure they are not cracked or damaged A WARNING If damage or corrosion is found return your GEO to an Authorized Oceanic Dealer and DO NOT attempt to use it until it has received factory prescribed service Re
35. will revert to the NORM SURF MAIN screen Pressing the L button will activate the Backlight NORM AND GAUG SURFACE SET MODES NORM GAUG Set Mode Sequence SURF MAIN gt SET F gt SET A gt SET gt Serial Number Access and step through of the sequence is gained by re peated simultaneous 2 second presses of the A and S buttons SET A Alarms and SET U Utilities Set Points can also be set changed using the PC Settings Upload program SET F FO2 entries must be made using only the push buttons SET F GROUP FO2 Set F Sequence SET F gt Set FO2 gt Set FO2 50 Default gt Depressing the A and S buttons simultaneously for 2 seconds while the NORM or GAUG SURF MAIN screen is displayed will access the SET F screen identified by the graphic SETF Fig 36 gt Pressing and releasing the A button momentarily lt 2 seconds while SET F is displayed will access SET FO2 FN with the Set Point flashing x z Fig 36 SET F 43 Setting FO2 for NORM Nitrox Dives For each value of FO2 the Maximum Operating Depth MOD that can be achieved for the PO2 Alarm Set Point limit previously set will be displayed When the FO2 50 DEFAULT is set ON and FO2 is set for a numerical value 10 minutes on the surface after that dive FO2 will be displayed as 50 and further dives will be calculated based on 50 O2 for oxygen calculations and 21 O2 for Nitrogen calculations 79 Nitrogen unless FO2 i
36. will then access the screens in this sequence Alternate Time gt Main Time gt Countdown Timer gt Chronograph gt Daily Alarm While viewing Alternate Time depressing and holding the 5 button for 2 seconds will replace Main Time with Alternate Time that will then become the Local Default Time until changed While viewing any of the Watch Mode displays pressing and holding the M button for 2 seconds or if no button is pressed for 2 minutes operation will revert to the Watch Time screen selected to be the Local Default Watch Time Main or Alter nate MAIN TIME information displayed includes Tissue Loading Bar Graph if any after NORM FREE dives gt Alarm icon if the Daily Alarm is set On Fig 7a Day of the Week graphic MON or TUE WED THU FRI SAT SUN or the graphic WET if the unit is wet gt Battery icon if a Low Battery Condition exists Month and Day Day and Month if set for Metric Time of Day hours minutes seconds Fig 7b Pressing and releasing the M button momentarily and repeatedly 2 seconds each time will step through the Main Modes Pressing and releasing the S button 2 seconds will silence and acknowledge the Daily Alarm if set On and it ee b sounds Pressing the L button will activate the Backlight WED Pressing both the A and buttons simultaneously for 2 i 105246 seconds will access the SET MAIN Mode a t Fig 7 MAIN T
37. 04 0 04 48 0 07 0 06 0 06 0 06 0 05 0 05 0 05 0 05 0 04 0 04 0 04 0 04 0 04 51 0 06 0 06 0 05 0 05 0 05 0 05 0 04 0 04 0 04 0 04 0 04 0 04 0 04 54 0 06 0 05 0 05 0 05 0 04 0 04 0 04 0 04 0 04 0 04 0 03 0 03 0 03 57 0 05 0 05 0 04 0 04 0 04 0 04 0 04 0 04 0 03 0 03 0 03 0 03 0 03 OXYGEN EXPOSURE LIMITS from NOAA Diving Manual Max Duration Total Duration Duration Total Duration PO2 Single Exposure 24 Hour Day PO2 Single Exposure 24 Hour Day 0 60 720 120 720 12 0 1 20 210 35 240 40 0 70 570 9 5 570 9 5 1 30 180 3 0 210 3 5 0 80 450 7 5 450 7 5 1 40 150 2 5 180 3 0 0 90 360 6 0 360 6 0 1 50 120 2 0 180 3 0 1 00 300 50 300 5 0 1 60 45 75 150 2 0 1 10 240 40 270 4 5 130 SPECIFICATIONS CAN BE USED AS Watch Dive Computer Air or Nitrox Digital Depth Gauge Timer Free Dive activity NO DECOMPRESSION MODEL Basis Modified Haldanean Algorithm 12tissue compartments Data Base Diving Science and Technology DSAT Rogers Powell Dive Computer Performance Tissue compartment halftimes mins Spencer s values 5 10 20 40 80 120 160 200 240 320 400 480 Reciprocal subsurface elimination 60 minute surface credit control for compart ments faster than 60 minutes Tissue compartments tracked up to 24 hours after last dive Decompression Capabilities stop ceilings 10 20 30 40 50 and 60 FT 3 6 9 12 15 and 18M Altitude Algorithm and Oxygen
38. 121 Fig 121 BATTERY HATCH O RING 126 A NOTE The Hatch O ring must be a genuine Oceanic part that can be purchased from an Authorized Oceanic Dealer Use of any other O ring will void the warranty Carefully place the Battery Hatch with O ring into position on the rim of the Battery Compartment then press RON it evenly and completely down into place using tool Maintain the Battery Hatch securely in place and turn it counter clockwise 10 degrees using the special Battery Hatch tool provided Fig 122 or by pushing the lower portion to the right while pushing the upper portion to the Fig 123 Testing Observe the LCD display to ensure it is consistently clear and sharp in contrast throughout the screen Set the Date Main Time Alternate Time and Daily Alarm Verify all Set Points prior to diving If any portions of the display are missing or appear dim gt or if a Low Battery Condition is indicated return your GEO to an Authorized Oceanic Dealer for a complete f evaluation before attempting to use it Fig 123 BATTERY HATCH O RING without tool 127 ALTITUDE SENSING AND ADJUSTMENT Prior to the first dive of a series of repetitive dives ALTITUDE i e Ambient Pressure is measured upon activation of Dive Surface Mode and every 15 minutes until a dive is made or operation reverts to Main Time after 2 hours gt While it is operating in Watch Modes after a dive measureme
39. 2 Value Dive Time Remaining Total Ascent Time No Deco Safety Stop Time Decompression Stop Time Norm Gaug Elapsed Dive Time Free Elapsed Dive Time Surface Interval Time Free Surface Interval Time Dive Log Surface Interval Time to Fly Time to Desaturate Temperature Watch Time of Day Dive Computer Time of Day Watch Countdown Timer Free Countdown Timer Chronograph Out of Range Violation Countdown Timer Range Oto 24 0 to 330 FT 100 M 330 FT 100 M Air 21 to 50 0 00 to 5 00 ATA 0 00 to 9 59 hr min 0 00 to 9 59 hr min 5 00 to 0 00 min sec 0 00 to 9 59 hr 0 00 to 9 59 hr min 0 00 to 59 59 min sec 0 00 to 23 59 hr min 0 00 to 59 59 min sec 1 00 to 23 59 hr min 0 00 to 23 59 hr min 23 50 to 0 00 hr min starting 10 min after the dive 23 50 max to 0 00 hr min starting 10 min after the dive 0 to 140 F 9 to 60 C 0 00 00 to 23 59 59 hr min sec 0 00 to 23 59 hr min 23 59 to 0 00 hr min 59 59 to 0 00 min sec 0 10 00 to 9 59 59 99 hr min sec 1 100 sec gt 330 FT 100 M 23 50 to 0 00 hr min after violation Resolution 1 1FT 1M 4 FT 1M 1 01 ATA 1 minute 1 minute 1 second 1 minute 1 minute 1 second 1 minute 1 second 1 minute 1 minute 1 minute 1 minute 1 1 second 1 minute 1 minute 1 second 1 100 second 133 SPECIFICATIONS CONTINUED BAR GRAPH Tissue Loading Bar Graph segments Oxygen O2 Bar Graph segments No
40. 3 Pressing and releasing the S button momentarily lt 2 E 9g ove seconds button will advance to the HISTORY 2 screen M LE Fig 62 HISTORY 1 69 Fig 63 HISTORY 2 70 Pressing and releasing the A button momentarily lt 2 seconds will advance to the NORM or GAUG SURF MAIN screen Depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM or GAUG SURF MAIN screen Pressing the L button will activate the Backlight HISTORY 2 information includes Fig 63 gt gt gt Graphic SEA EL 2 through EL 13 representing the maximum Altitude at which a dive was conducted Maximum Depth achieved during all dives with MAX and FT or M icons Temperature lowest recorded of all dives with degrees icon and graphic F or C Pressing and releasing the S button momentarily lt 2 seconds or depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM or GAUG SURF MAIN screen Pressing the L button will activate the Backlight WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as
41. 3 Set Points begins at the next FT M value greater than the FDA 2 Alarm Set Point E Fig 106 SET FREE DEPTH ALARM 3 115 He 0507 al bs Fig 107 FREE DIVE ES 116 Pressing releasing the S button momentarily and repeatedly lt 2 seconds each time will step through the Set Points from 50 to 330 FT 12 to 100 in increments of 10 FT 1 M at a rate of 1 Set Point per press of the button Pressing and holding the S button will scroll through the Set Points at a rate of 4 Set Points per second until released Pressing the A button momentarily lt 2 sec will accept the Depth Setting and the display will revert the FREE SURF MAIN screen Depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes the display will revert the FREE SURF MAIN screen FREE DIVE MAIN DISPLAY Default information provided includes Fig 135 gt if any Nitrogen is remaining from previous NORM or FREE Dives conducted within the previous 24 hours Graphic FREE Current Depth with FT or M icon gt gt No Deco Dive Time remaining hr min with TIME and NDC icons Elapsed Dive Time min sec with DIVE and TIME icons Press release the A button momentarily 2 seconds to access the FREE CDT Count Down Timer STATUS screen Press the L button to activate the Backlight FREE DIVE STATUS
42. 3 Displays FREE SURF ALT DISPLAY information includes Fig 98 gt gt gt Graphic LAST indicating that information relates to the last FREE dive conducted Maximum Depth of the FREE dive previously made while still in FREE MODE with MAX and FT or M icons Battery icon if a Low Battery Warning Condition exists flashing if Too Low Elapsed Dive Time min sec of the FREE dive previously made while still in FREE MODE with DIVE and TIME icons 2 Resets to 0 00 after 24 hours m Press the L button to activate the Backlight bs Press release the A button momentarily lt 2 seconds to access the Secondary Display us Fig 98 FREE SURF 107 Ce ey Fig 99 SECONDARY Arn E 4b eg Zap SANI Fig 100 RUNNING EN Ome EL Fig 101 CDT OFF 108 The display will revert to the FREE SURF MAIN screen after 5 seconds if the A button is not pressed SECONDARY DISPLAY information includes Fig 90 gt Day of the Week graphic MON TUE etc gt Time of Day hr min This will be the Watch Time selected MAIN or ALTERNATE gt Temperature with degrees icon and graphic F or The display will revert to the MAIN Display after 5 seconds or if the A button is pressed released FREE MODE CDT COUNTDOWN TIMER Press release the A button momentarily lt 2 seconds while viewing the FREE SURF MAIN screen to access the FREE SURF CDT
43. 46 gt Graphics PO2 and AtA with MAX icon gt Set Point value x xx ATA flashing with PO2 icon Pressing and releasing the S button momentarily lt 2 seconds will increase the Set Point from 1 20 ATA to 1 60 ATA in 10 ATA increments Pressing and releasing the A button momentarily lt 2 seconds will save the setting and or advance to the SET A screen Depressing the A and buttons simultaneously for 2 seconds will save the setting and revert to the SET screen Depressing and holding the button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen Fig 46 SET PO2 ALARM 52 SET U GROUP UTILITIES Set U Sequence SET U Wet Activation Units Safety Stop Conservative Factor Backlight Duration Sampling Rate The SET U Group can also be set changed using the PC Settings Upload program The settings for Wet Activation Units Conservative Factor and Backlight Duration also apply to FREE Mode To change the settings while operating in FREE Mode first access the NORM Surface Mode FREE Mode Sampling Rate is fixed at a 1 second interval and is not affected by the SET U setting gt SET U Settings remain at the values set until changed Depressing the A and S buttons simultaneously for 6 seconds while the NORM or GAUG SURF MAIN screen is displayed will access SET U identified by the
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45. AND GAUG SURFACE SET MODES 43 Set F Group FO2 43 Setting FO2 for Nitrox Dives 44 Set FO2 50 Default Set A Group NORM Set Audible Alarm Set Depth Alarm Set EDT Elapsed Dive Time Alarm Set TLBG Tissue Loading Bar Graph Alarm Set DTR Dive Time Remaining Alarm Set PO2 Alarm Set U Group Utilities Set Wet Activation Set Units Set Safety Stop Set Conservative Factor Set Backlight Duration Set Sampling Rate SERIAL NUMBER PLAN Mode FLY Mode DESAT Mode LOG Mode HISTORY Mode CONTENTS continued OVERVIEW OF DIVE MODE INFORMATION DISPLAYED SYMBOLS AND ICONS DIVE TIME REMAINING No Decompression DTR NDC O2 OTR VARIABLE ASCENT RATE ELAPSED DIVE TIME EDT CONTROL OF DISPLAYS NORM TYPE DIVE MODES WET ACTIVATION CONTACTS NORM NO DECOMPRESSION DIVE MODE No Deco Safety Stop DECOMPRESSION DIVE MODE VIOLATION MODES Conditional Violation Delayed Violation 1 Delayed Violation 2 Delayed Violation 3 Immediate Violation and Violation Gauge Mode HIGH PO2 HIGH OXYGEN ACCUMULATION SUMMARY OF WARNING AND ALARM MESSAGES NORM POST DIVE MODES TRANSITION PERIOD AFTER THE TRANSITION PERIOD UPLOADING SETTINGS AND DOWNLOADING DATA PC Compatibility Requirements GAUGE OPERATING MODE GAUGE MODE CONTENTS continued FREE DIVE OPERATING MODE FREE Surface Mode FREE CDT
46. AUG dives sequentially reverse order most recent VN l first LOG information is retained until deleted by another bos 27 dive Battery removal will not affect the LOG data stored WEST viewing Fig 57 DESAT TIME 64 After exceeding 24 dives the most recent Dive completed will be added to the LOG and the oldest deleted Dives will be numbered 1 to 24 starting at 1 each time a new series of dives begins After it shuts Off 24 hours after a dive the first dive of the next new series will be 1 During the first 10 minutes after a dive pressing and releasing the A button momentarily lt 2 seconds 1 time while the NORM or GAUG SURF MAIN screen is displayed will access LOG MODE NORM GAUG SURF gt LOG 10 minutes after a Non Violation NORM Dive pressing and releasing the A button momentarily and repeatedly 4 times 2 seconds each time while the NORM SURF MAIN screen is displayed will access the LOG MODE NORM SURF PLAN FLY SAT LOG 10 minutes after a GAUG or Violation Dive pressing and releasing the A button momentarily and repeatedly 2 times 2 seconds each time will access LOG MODE PLAN and SAT screens will not be available after a GAUG or Violation Dive NORM GAUG SURF gt FLY gt LOG Upon entering LOG MODE the most recent dive s LOG PREVIEW screen will be displayed 65 66 PREVIEW LOG PREVIEW information includes Fig 58 gt gt gt
47. COUNTDOWN TIMER Set FREE CDT FREE EDT ELAPSED DIVE TIME ALARM Set FREE EDT Alarm FREE DEPTH ALARMS Set FDA1 Set FDA2 Set FDA FREE DIVE MODE FREE Dive CDT FREE Dive Alarms 105 106 108 110 111 111 117 REFERENCE 121 CARE AND CLEANING INSPECTIONS AND SERVICE 122 BATTERY REPLACEMENT 123 ALTITUDE SENSING AND ADJUSTMENT No Decompression Limits at Altitude OXYGEN EXPOSURE LIMITS SPECIFICATIONS ERROR RESET DURING A DIVE 128 129 130 131 137 INSPECTION SERVICE RECORD OCEANIC WORLDWIDE 138 139 Pay special attention to items marked with this Warning symbol LIMITED TWO YEAR WARRANTY For details refer to the Product Warranty Registration Card provided Register online at www OceanicWorldwide com COPYRIGHT NOTICE This operating manual is copyrighted all rights are reserved It may not in whole or in part be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form without prior consent in writing from Oceanic 2002 Design GEO Operating Manual Doc No 12 2734 2002 Design 2006 San Leandro USA 94577 TRADEMARK TRADE NAME AND SERVICE MARK NOTICE Oceanic the Oceanic logotype the Oceanic O symbol GEO the GEO logo Diver Replace able Batteries Graphic Diver Interface Tissue Loading Bar Graph TLBG Pre Dive Planni
48. DISPLAY information provided in amp cludes Imm Graphic TIMR f gt Remaining Countdown time hr min sec with the TIME QU icon and colon flashing if ON and a CD is in progress VS 22 0 00 with the colon flashing if ON and no time is X OFFA remaining If OFF the CD Time previously set will be displayed with the colon solid Fig 108 gt Graphic ON or OFF flashing Fig 108 FREE CDT STATUS OFF READY e Pressing releasing the S button momentarily lt 2 seconds will toggle between ON and OFF If a Time has been set a toggle from OFF to ON will Start the CD TIMER indicated by the colon flashing Fig 109 Pressing the L button will activate the Backlight Depressing the M button for 2 seconds or if no button is pressed during a period of 10 seconds the display will revert to the FREE DIVE MAIN screen FREE DIVE ALARMS All FREE Dive Alarms will sound 3 short beeps 1 or 3 times and a Message will be displayed as an indication that an event is occurring and as a reminder to view the display to identify the event After the beeps have sounded the message will be replaced with the graphic FREE Fig 1005 FREE STARTED 117 Ge 0357 Jage S prs Fig 110 FREE ALERT 3P E 3 Mes Time Nis Fig 111 RAE DEPTH ise T ceo IE Fig 112 FREE EDT FREE CDT Count Down Timer
49. Decompression zone 1to4 Normal zone 1to4 Decompression zone 5 all Danger zone 5 all OPERATIONAL PERFORMANCE Function Accuracy Depth 1 of full scale Timers 1 second per day Dive Counter NORM GAUG numbers displays Dives 1 to 24 FREE numbers Dives 1 to 99 0 if no dive made yet Resets to Dive 1 upon diving after 24 hours with no dives NORM GAUG 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 oldest dive Altitude Operational from sea level to 14 000 feet 4 270 meters elevation Measures ambient pressure every 30 minutes in Watch Mode and when Dive Computer Mode is accessed every 15 minutes while in NORM GAUG FREE Surface Modes Does not measure ambient pressure when Wet Compensates for Altitudes above sea level beginning at 2 000 feet 610 meters elevation and every 1 000 feet 305 meters higher Conservative Factor Reduces NORM FREE NDLs to those for the Altitude 3 000 feet 915 meters higher 134 SPECIFICATIONS CONTINUED Power Battery 1 3 CR2430 Lithium battery Shelf life Up to 7 years when shipped from factory in Deep Sleep mode Replacement User replaceable annual recommended Use Life 1 year or 300 dive hours if 2 1 hour dives per dive day Battery Indicator Warning icon on solid lt 2 75 volts 72 50 volts Battery change recommended Alarm icon on f
50. IME May 31 19 20 SET MAIN TIME This Mode allows the Date and Time of Day to be set which will also serve as the basis for ALTERNATE TIME values There are 3 Time Set screens Set Hour Format Set Time of Day and Set Date NOTE MAIN TIME must be selected as the Local Default Time in order to set the Time and Date Sequence of Time Date settings Hour Format Hour Minute Year Month Day Day of the Week is set automatically when the Date is set Depressing and holding the M button at any time for 2 seconds or if no button is pressed during a period of 2 minutes the unit will revert to the MAIN TIME screen While the MAIN TIME screen is being displayed pressing the and buttons simultaneously for 2 seconds will access the Set Hour Format screen displaying the graphic HOUR symbol TIME and the Hour Format Set Point 12 or 24 flashing Fig 8 Pressing and releasing the S button momentarily 2 seconds will toggle the setting between 12 and 24 Pressing the button momentarily lt 2 seconds will save ZX the Hour Format Set Point and access the SET TIME screen with the HOUR Set Point flashing Fig 9 HINT Pressing the A button repeatedly lt 2 seconds each 150 time will step through the Time Date Settings bypassing those that don t require setting 5 Set Hour and Minute Fig 9 SET HOUR The graphic A Am or P Pm is disp
51. KE Fig 86 VIOLATION GAUGE MAIN 89 Fig 87 VIOLATION GAUGE SURFACE 90 The GEO will also enter an Immediate Violation Mode Viola tion Gauge Mode 5 minutes after surfacing from a dive in which a Delayed Violation occurred Violation Gauge Mode on the Surface does not allow access to the SET F PLAN FLY and SAT features screens The countdown timer that appears when you try to access Time to Fly does not represent Time to Fly It is only provided to inform you of the time remaining before normal Dive Computer operation can resume with full features and functions This condition is a Permanent Violation and in the event that a dive is made during the 24 hour period a full 24 hour surface interval must then be served before all functions are restored VIOLATION GAUGE SURF MAIN DISPLAY Default information provided includes Fig 87 gt Full TLBG flashing gt Graphic VIOL alternating with the graphics NORM SEA or EL2 EL13 and WET if wet gt Surface Interval Time hr min with SURF and TIME icons gt Symbols TIME and SURF with Surface Interval Time hr min gt Dive Number with DIVE icon gt Nx icon if FO2 is set for Nitrox HIGH PO2 When partial pressure of oxygen PO2 becomes equal to or greater than 0 20 ATA less than the PO2 Alarm Set Point a SET A setting the Audible Alarm will sound the red LED warning light will flash and the message HIGH gt PO2 will scroll un
52. O2 is set for Nitrox The display will revert to the MAIN Display after 5 seconds unless the A button is pressed Press release the A button to view the Secondary Display DECOMPRESSION DIVE MODE The GEO is designed to help you by providing a representa CER TA tion of how close you are to entering Decompression 3 2 ant 108 bot Decompression Dive Mode activates when the theoretical No N Decompression time and depth limits are exceeded ARM 6 Upon Entry into DECO Mode Audible Alarm will sound Fig 76 DECO ENTRY the red LED Warning Light will flash and the graphic message DECO STOP will scroll each 3 4 second On and 1 4 second Off until acknowledged or for 10 seconds Once silenced the graphics DECO gt STOP gt xxF or xxM will scroll each 2 seconds On 2 seconds blank Press release the S button to acknowledge silence the Audible Alarm unless it was set Off The UP Arrow will flash Fig 76 if you are greater than 10 FT 3 M deeper than the Required Stop Depth Once you are within 10 FT 3 M of and below the Required Stop Depth the UP Arrow will extinguish XA Managing Decompression Stops amp f 2 OF To fulfill your decompression obligation you should make a el safe controlled Ascent to a depth slightly deeper than Fig X 7722 li j 77 or equal to the Required Stop Depth indicated Fig 77b and decompress for the Stop Time indicated Fig 77c
53. al sales receipt and Warranty Registration Card Send freight prepaid and insured using a traceable method to the nearest Oceanic Regional Service Facility or to Oceanic USA If shipping to Oceanic USA obtain an RA Return Authorization number by contacting Oceanic at 510 562 0500 or send an e mail to service oceanicusa com Non warranty service must be prepaid COD is not accepted Additional information is available at the Oceanic web site OceanicWorldwide com BATTERY REPLACEMENT NOTE The procedures that follow must be closely adhered to Damage due to improper Battery replacement is not covered by the 2 year warranty The Battery Compartment should only be opened in a dry and clean environment with extreme care taken to prevent the entrance of moisture or dust 123 Fig 117 BATTERY HATCH REMOVAL using tool Fig 118 BATTERY HATCH REMOVAL without tool 124 As an additional precautionary measure to prevent formation of moisture in the Battery Compartment it is recommended that the Battery be changed in an environment equivalent to the 1 local outdoor temperature and humidity e g do not change the Battery in an air conditioned environment then take it outside during a hot sunny day Inspect the Buttons Lens and Housing to ensure they are not cracked or damaged If there is any sign of moisture in the GEO DO NOT attempt to use it for diving NORM GAUG or FREE until it receives proper service by
54. also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information NORM POST DIVE MODES 95 POST DIVE SURFACE MODE When you ascend to 2 FT 0 6 the GEO will enter Surface Mode and begin counting your Surface Interval TRANSITION PERIOD If you descend during the first 10 minutes after surfacing referred to as the Transition Period time underwater will be considered a continuation of that dive The time at the surface if less than 10 minutes will not be added as Dive Time Transition Period information on the surface includes Fig 90 gt TLBG representing Nitrogen loading gt Graphic NORM alternating with the graphics SEA or EL2 through EL13 and WET if wet If a Low Battery condition occurs during a dive the message CHNG gt BATT will scroll upon surfacing gt Battery icon if a Low Battery Warning Condition exists flashing if Too Low gt Surface Interval Time hr min with SURF and TIME icons gt Dive Number with DIVE icon gt Nx icon if FO2 is set for Nitrox UR EN nd Bie During the Transition Period Alternate displays and the Log for i that dive can be accessed Other modes e g Plan Fly Sat bo M Hist Set will be accessib
55. and the full O2 Bar Graph and UP Arrow will be displayed flashing Fig 89 The Audible Alarm will sound the red LED will flash and the message HIGH gt 2 will scroll at the top of the display When the Alarm is acknowledged silenced the message UP gt HIGH gt O2 will scroll until the level of oxygen decreases below the limit Press release the A button to view the Alternate then Secondary Displays They will revert to the MAIN Display after 5 seconds Upon surfacing operation will lock in to NORM Mode until the O2BG recedes to 4 segments Access to Watch Mode is allowed but access to GAUG and FREE is blocked SUMMARY OF NORM GAUG WARNING AND ALARM MESSAGES MESSAGE DECO gt STOP gt xxF M DOWN gt TO gt xxF M DECO gt STOP gt 60F 18M UP gt HIGH gt PO2 HIGH gt PO2 UP gt HIGH gt O2 TOO gt DEEP UP gt VIOL SLOW gt SLOW LOW gt DIVE gt TIME TIME gt TOO gt LONG UP gt HIGH gt NI MEANING Entry into Decompression Mode Above a Required Decompression Stop Depth Deco Stop greater than 60 FT 18 M required High PO2 alarm while in No Deco Mode High PO2 alarm while in Deco Mode High O2 alarm Depth alarm Deco Stop greater than 70 FT 21 required Ascent Rate Too Fast alarm Dive Time Remaining alarm Elapsed Dive Time alarm TLBG alarm 93 94 This page intentionally left blank WARNING Prior to diving with the GEO you must
56. be selected as the Operating Dive Mode To select FREE for diving press release the M button while the FREE graphic is flashing When the graphic becomes solid FREE Mode is selected for the type of dives to be conducted WATCH TIME NORM SURF GAUG SURF FREE SURF FREE SURF MAIN DISPLAY information includes Fig 97 gt representing nitrogen loading if any gt Graphic FREE alternating with the Altitude Level graphic SEA or EL 2 through EL13 and graphic WET if wet each fe 3 seconds On then 1 4 second Off 162 gt Surface Interval Time min sec up to 59 59 then hr min with SURF and TIME icons 2 Battery icon if a Low Battery Warning Condition exists cede flashing if Too Low Fig 97 FREE SURF gt Total number of repetitive FREE Dives conducted in that MAIN series with DIVE icon 106 Press the L button to activate the Backlight FREE Mode uses the Depress the A button for 2 seconds to access the FREE NORM GAUG SURF ALT Display from which you can access the settings for Secondary Display Time Date Press release the A button momentarily 2 seconds to gt gt Wet Activation access the FREE SURF CDT Countdown Timer Status LM Display allowing you to Set Start Stop the CDT Factor Depress both the A and buttons simultaneously for 2 seconds to access the SET FREE EDT Elapsed Dive Time ALARM Display from which you can then access the SET FREE DEPTH ALARM 1 2 and
57. button The Backlight will activate and illuminate the display for button depression time 10 seconds maximum plus the user set Duration time of O 5 or 10 seconds for a maximum of 20 seconds Press the button again to activate as desired A A NOTE Extensive use of the Backlight reduces SER estimated Battery life Also the Backlight amma does not operate during a Low Battery Condi 635 tion or when the GEO is connected to a PC el fou J 6 POWER SUPPLY M The GEO utilizes one 3 volt CR2430 Lithium Battery When Fig 3 LOW BATTERY used as a Dive Computer the battery should operate normally Hone for 1 year or 300 dive hours if 2 dives are conducted during each dive period The GEO checks its battery voltage every 2 minutes during surface operation f voltage decreases to the Warning level 2 75 volts the Battery icon will appear on Surface display screens fig as an indication that the Battery should be changed prior to commencing a series of dives f voltage decreases to the Alarm level 2 50 volts the Battery icon will flash and the message CHNG BATT will scroll at the top of the display Fig 4 Operation will automatically revert to Main Time Mode The GEO would m then only operate in Watch modes until the Battery CANE N becomes completely depleted fal TN Low Battery Warning Alarm conditions are not displayed MZ during Dive Modes IN IA Ifa Lo
58. cent is slowed After acknowledged the message SLOW gt SLOW will continue to scroll until the Ascent is slowed below the Alarm rate Fig 67 ASCENT WARNING ALARM 75 ELAPSED DIVE TIME The maximum duration that Elapsed Dive Time will be displayed is 9 hours and 59 minutes 9 59 In the event that the GEO is at depth for a greater time it will cease operation as a Dive Computer and revert to operation as a Watch display ing the Main Time screen CONTROL OF DISPLAYS During Dive Modes there is a Main Default Display of important information relevant to the specific mode that the GEO is operating in No Deco Deco GAUG FREE etc Alternate and Secondary Displays can be accessed by pressing and releasing the A button Lower Left to view additional information They will automatically revert to the Main Display after 5 seconds unless the A button is pressed again Dive Main Alternate Secondary The S button Upper Right is used to acknowledge and silence Alarms The L button Lower Right is used to activate the Backlight The display will be illuminated as long as the L button is depressed plus the Backlight Duration time set 0 _ 5 10 seconds for a maximum of 20 seconds The Backlight will not activate during a Low Battery M ky N p condition 76 WARNING Prior to diving with the GEO you must also
59. d 3 short beeps will sound 3 times the red LED Fig 113 FREE TLBG will flash and the message UP gt HIGH gt NI will appear on ALARM the display Fig 113 After the beeps the message will continue to scroll until the TLBG recedes to 3 segments at which time the message will change to FREE and the UP Arrow will be removed Entry into DECO During a FREE Dive In the event that Nitrogen Loading increases to the DECO level indicated by all 5 segments of the TLBG displayed flashing the UP Arrow will flash 3 short beeps will sound 3 times the red LED will flash and the message UP gt VIOL will appear on the Aly display Fig 114 UIOLAS After the beeps the message UP VIOL will continue to be 138 ne displayed scrolling until you surface then the graphic VIOL will a UU alternately be On Off for 10 minutes after the dive T 08 Fig 114 FREE DIVE VIOLATION DECO 119 E Upon surfacing the UP Arrow will be removed however the fme Full TLBG will continue to flash for 24 hours and dive computer 5 e operation will revert to FREE Permanent Violation Mode Fig Ig 115 until a full 24 hours elapse with no diving Access to N 0577 Watch Mode will be allowed but access to NORM or GAUG o Miss uu will be blocked Fig 115 FREE SURF VIOLATION DECO ADDITIONAL INFORMATION PERTAINING TO FREE DIVE MODE Although breathing apparatus is not utilized for FREE Dive activ
60. d by the graphic OFF flashing in place of the graphic SEt Pressing and releasing the S button momentarily lt 2 seconds will toggle from OFF to ON and Start the Timer Fig 18 Depressing and holding the M button for 2 seconds will revert to the Local Default Watch Time screen If no button is pressed during a period of 2 minutes the unit will revert to the Local Default Watch Time screen CHRONOGRAPH Stop Watch Lap Timer Pressing and releasing the M button momentarily 3 times 2 seconds each while the MAIN TIME screen is displayed will access the CHRONOGRAPH displaying the elapsed time if previously started or 0 00 00 00 hr min sec 1 sec flashing Fig 19 Pressing and releasing the S button momentarily 2 seconds will start the TIMER which will begin counting up from 0 00 00 00 to 9 59 59 99 hr min sec 1 100th sec in increments of 01 1 100th sec During the first 4 seconds the 1 100th second values will be displayed then 2 dashes will be displayed The 1 100th values will be recorded and displayed when LAPs are frozen and when later recalled Subsequent pressing and releasing of the S button 2 seconds each will freeze Lap Times LAP1 through LAP9 After 9 Laps are recorded additional LAPs will replace 9 shift the others to lower LAP numbers while discarding gt If the time reaches 9 59 59 99 hr min sec 1 100 sec it will stop and save that number as a LAP
61. decreases segments are added to the O2 Bar Graph When the amount of time remaining before reaching the O2 Limit becomes less than NDC No Deco Dive Time Remaining calculations for that Depth will be controlled by O2 O2 Time Remaining will then appear as Dive Time Remaining Fig 66a identified by the TIME and O2 icons As Oxygen Accumulation continues to increase segments will add to the O2 Bar Graph VARIABLE ASCENT RATE Alerts associated with Ascent Rate are based upon 2 sets of speeds which change at a reference depth of 60 FT 18 WARNING At depths greater than 60 FT 18 M Ascent Rates should not exceed 60 FPM 18 MPM At depths of 60 FT 18 M and shallower Rates should not exceed 30 FPM 9 MPM Ascent Rate Warning At depths deeper than 60 FT 18 a Warning Fig 67 will be given when Ascent Rates exceed 50 FPM 15 The message SLOW gt SLOW will scroll until the Ascent is slowed At 60 FT 18 M and shallower the Warning will be given when Ascent Rates exceed 25 FPM 7 5 Ascent Rate Alarm At depths deeper than 60 FT 18 MJ an Alarm will sound when Ascent Rates exceed 60 FPM 20 MPM At 60 FT 18 M and shallower the Alarm will sound when Ascent Rates exceed 30 FPM 10 MPM The Audible will sound the red LED will flash and the message SLOW gt SLOW will scroll on off at the top of the screen The Audible and LED will stop when acknowledged with the button or when the As
62. ding the S button will scroll through the Fig 42 SET DEPTH Set Points at a rate of 4 Set Points per second until it is ALARM released 48 Pressing and releasing the A button momentarily lt 2 seconds will save the setting and or advance to the SET EDT ALARM screen with the Set Point flashing Pressing and releasing the A button momentarily and repeatedly lt 2 seconds each time will step through the other SET A screens Pressing the A and buttons simultaneously for 2 seconds will save the setting and revert back to the SET A screen Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SET NORM GAUG EDT ELAPSED DIVE TIME ALARM FREE Mode has a separate EDT Alarm information includes Fig 43 Graphic EDT gt Set Point value hr min flashing with DIVE and TIME icons Pressing and releasing the S button momentarily 2 seconds will increase the Set Point from 0 10 to 3 00 hr min in 5 minute 05 increments ce T Depressing and holding the S button will scroll through the ED 9 Set Points at a rate of 4 Set Points per second until it is released 080 Pressing and releasing the A button momentarily lt 2 seconds will save the setting and or advance to the SET ALARM screen with the Set Point flashing Fig 43 SET EDT ALARM ec FREE Mode has
63. dition exists Month and Day Day and Month if set for Metric Time of Day hr min sec Pressing and releasing the M button momentarily and repeatedly 2 seconds will step through the other Main Watch Modes Pressing and releasing the S button 2 seconds will silence and acknowledge the Daily Alarm if its set On and it sounds Main Time Date can also be set using the PC Settings Upload program which is on the Oceanlog software CD Prior to shipment from the factory any error of the Main Time is determined and corrected Lazy 8 symbol Fig 14a identifies Time as Alternate Time oi DN A ie Fig 14 E ATE 23 Fig 1 15 SET ALTERNATE TIME 24 Depressing the S button for 2 seconds will interchange ALTERNATE TIME with MAIN TIME making ALTERNATE TIME the Local Default Time screen Pressing the L button will activate the Backlight Depressing both the A and S buttons simultaneously for 2 seconds will access the SET ALTERNATE TIME Mode with the Set Point flashing Depressing and holding the M button for 2 seconds will revert to the MAIN TIME screen SET ALTERNATE TIME e ALTERNATE TIME can be set OFF or to an Hour based numeric time Differential ranging from 1 through 23 through 23 through 1 hours Once the Differential is selected and saved ALTERNATE Time Date values will be based upon the MAIN TIME Set Points plus minus the Differential
64. e screens displaying 0 00 until the FLY counter shuts the Dive Computer operations Off 24 hours after a last dive gt The SAT screen is not displayed after a Violation Dive gt DESAT Times greater than 24 hours will be displayed as 23 gt In the event that DESAT Time still remains at the end of the 24 hours countdown the added time will be zeroed gt Ten minutes after surfacing from a dive operation reverts to the Watch Mode Time screen at which time the DESAT Countdown continues in the background Access to the SAT screen can then be gained by first accessing the NORM SURF MAIN screen 63 Depressing and releasing the button momentarily and repeatedly 3 times 2 seconds each time while viewing the NORM SURF MAIN screen will access SAT MODE NORM SURF PLAN FLY SAT DESAT TIME information includes Fig 57 Graphic SAT gt Countdown Time hr min with TIME icon gt icon if a Low Battery Warning Condition exists flashing if Too Low Pressing and releasing the A button momentarily 2 seconds will advance to LOG MODE Depressing and holding the M button for 2 seconds will revert to the NORM SURF MAIN screen f no button is pressed during a 2 minute period unit will revert to the NORM SURF MAIN screen Pressing the L button will activate the Backlight NORM GAUG LOG MODE 8 ga LOG MODE displays information from the latest 24 NORM 341 G
65. e Remaining hr min Current Depth Alternate O2BG Max Depth Current PO2 FO2 Set Secondary Day of Week Temperature Time of Day hr min Safety Stop Main default TLBG Stop Depth Stop Time min sec Dive Time Remaining hr min Depth NORM Decompression Dive Displays Main default TLBG Stop Depth Stop Time hr min Total Ascent Time hr min Current Depth Alternate 1 TLBG Stop Depth Elapsed Dive Time hr min Total Ascent Time hr min Current Depth Alternate 2 O2BG Max Depth Current PO2 FO2 Set Point Secondary Day of Week Temperature Time of Day hr min NORM Violation Modes displays similar to Deco Conditional Delayed and Immediate Violation Gauge NORM High PC2 1 20 to 1 60 ATA NORM High Oxygen Accumulation 300 OTU per dive 24 hr GAUG Dive Displays Main default Mode graphic GAUG Elapsed Dive Tirne hr min Current Depth Alternate Mode graphic GAUG Elapsed Dive Time hr min Max Depth Secondary Day of Week Temperature Time of Day hr min 132 FREE Dive Displays Main default Mode graphic FREE Elapsed Dive Time min sec Dive Time Remaining hr min Depth CDT Status graphic TIMR Timer Timer Setting On Off Countdown Time Remaining min sec SPECIFICATIONS CONTINUED Secondary Day of Week Temperature Time of Day hr min NUMERIC DISPLAYS Dive Number Current Depth Maximum Depth FO2 Set Point PO
66. graphic SETU Fig 47 se TUS Pressing and releasing the A button momentarily 2 4 a seconds while SET U is displayed will advance to SET P I j WET ACTIVATION with the Set Point flashing Nw T Wc Fig 47 SETU 53 SET ACTIVATION information includes Fig 48 gt Graphic WET Set Point graphic ON or OFF flashing Pressing and releasing the S button will toggle between lt ON and OFF Pressing and releasing the A button momentarily 2 Fig 47 SET WET seconds will save the setting and or advance to the SET bc UNITS screen with the Set Point flashing Pressing and releasing the A button momentarily and repeatedly 2 seconds each time will step through the other SET U screens Depressing the and buttons simultaneously for 2 seconds will save the setting and revert back to the SET U screen Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen gt SET UNITS information includes Fig 48 an TENN gt Graphic UNIT n p p gt Set Point FT icon and F graphic or M icon and C graphic flashing with degrees icon SFZ Pressing and releasing the S button will toggle between Imperial and Metric M Fig 48 SET UNITS 54 Pressing and releasing the A button momentarily lt 2 seconds will
67. he A button 2 times momentarily lt 2 seconds each time while the SURF MAIN screen is displayed will access FLY MODE NORM SURF gt PLAN gt FLY e Pressing and releasing the A button 1 time momentarily lt 2 seconds while the GAUG SURF MAIN screen is displayed will access FLY MODE GAUG SURF gt FLY After a FREE Dive access is gained by first accessing NORM SURF MAIN MN 4 TA TIME TO FLY information includes Fig 56 0350 gt Graphic FLY VN E Countdown Time hr min with TIME icon 26 gt Battery icon if a Low Battery Warning Condition exists flashing if Too Low Fig 56 TIME TO FLY 62 Pressing and releasing A button momentarily lt 2 seconds will advance to SAT MODE Depressing and holding the M button for 2 seconds will revert to the NORM or GAUG SURF MAIN screen If no button is pressed during a 2 minute period operation will revert to the NORM GAUG SURF MAIN screen Pressing the L button will activate the Backlight DESAT MODE The Time to Desaturate counter provides calculated time for Tissue Desaturation at sea level taking into consideration the Conservation Factor setting It begins counting down 10 minutes after surfacing from a NORM or FREE dive counting down from 23 50 max to 0 00 hr min When the Countdown reaches 0 00 which will generally occur prior to the FLY countdown reaching 0 00 the SAT screen remains in the sequence of accessibl
68. hr min Pressing and releasing the S button momentarily lt 2 seconds will toggle between ON and OFF gt Upon being toggled to ON the Alarm will be set to sound every day at the Time indicated Depressing both the A and S buttons simultaneously for 2 seconds will access the SET DAILY ALARM screen allowing a new Time to be set Depressing and holding the M button for 2 seconds will revert to the Local Default Watch Time screen Pressing the L button will activate the Backlight gt If no button is pressed during a period of 2 minutes the unit will revert to the Local Default Watch Time screen SET DAILY ALARM information provided includes Fig 22 Alarm icon gt Graphics ALRM and SEt gt Alarm Time previously set hr min with the HOUR Set Point flashing Depressing and holding the S button while the HOUR Set Point is flashing will scroll through the Set Points in 1 hour increments at a rate of 4 per second from 12 Am to 11 Pm or 0 to 23 if 24 hour format The graphic Am or P Pm will be displayed when setting Time in 12 Hour Format Pressing and releasing the A button momentarily 2 seconds will save the HOUR Set Point and or advance to J SET MINUTE with the Set Point flashing Fig 22 ALARM 29 Depressing and holding the S button while the MINUTE Set Point is flashing will scroll through the Set Points in 1 minute increments at a rate of 4 per second from 00
69. icon Pressing and releasing the S button momentarily lt 2 seconds button will advance to the previous dive s LOG PREVIEW screen Depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM or GAUG SURF MAIN screen Pressing the L button will activate the Backlight ly Fig 61 LOG DATA 3 68 NORM GAUG HISTORY MODE HISTORY Mode displays accumulative information for up to 9999 Dives 9999 Dive Hours and the Maximum Depth achieved HISTORY information is retained indefinitely Battery removal will not affect the HISTORY data stored for viewing 10 minutes after a Non Violation NORM Dive pressing and releasing the A button momentarily and repeatedly 5 times 2 seconds each time while the NORM SURF MAIN screen is displayed will access the HISTORY MODE NORM SURF PLAN FLY SAT LOG HIST 10 minutes after a GAUG or Violation Dive pressing and releasing the A button 3 times will access LOG MODE PLAN and SAT screens will not be available after a GAUG or Violation Dive NORM or GAUG SURF FLY LOG HIST HISTORY 1 information includes Fig 62 gt gt gt Graphic HIST Graphic Hr and TIME icon with the Total Hours of Elapsed Dive Time 1 to 9999 Tetal number of dives recorded up to 9999 with DIVE icon Includes No Deco Deco GAUG and VIOL s 993
70. in WARNING When Wet Activation is set OFF the GEO must be in Dive Surface Mode NORM lt GAUG or FREE prior to the first dive of a new series Commencing a dive while in Watch modes will not activate Dive Mode unless Wet Activation is set ON Main Sequence while at home Main Time Alternate Time Countdown Timer Chronograph Daily Alarm Alternate Sequence at a travel location Alternate Time Main Time home Countdown Timer Chronograph Daily Alarm E 15e 5 SL Fig 1 MAIN TIME 11 Fig 2 DC MODES 12 OPERATION AS A DIVE COMPUTER The GEO features 3 Dive Computer DC Operating Modes NORM Fig 2A which is used for Air and Nitrox dives GAUG Fig 2B used for dives in which Nitrogen Oxygen calculations are not performed and FREE Fig 2C used for activities that do not use SCUBA Entering Settings and Plan Mode are only available in NORM SURF Mode which also allows access to Fly Desat Log and History Modes GAUG Mode only allows access to Fly Log and History Modes Once a dive is made in GAUG Operating Mode the GEO is locked into that Mode for 24 hours after the dive PC INTERFACE Interface with a PC is accomplished by connecting the GEO to a PC USB Port using the OceanLog USB Interface Cable The same Cable is used for Upload and Download The software program is on the CD together with a USB Driver The program s Help serves as the
71. is pressed released VIOLATION MODES While in Violation Modes the Alternate and Secondary Displays previously described can be accessed using the A button the Backlight can be activated using the L button and Alarms can be acknowledged silenced with the S button CONDITIONAL VIOLATION If you ascend shallower Fig 82a than a Required Decompres sion Stop Depth Fig 82b the Audible Alarm will sound and the red LED and Down Arrow will flash until you descend below the Required Stop Depth The graphic message DOWN gt DOWN will scroll at the top of the display until the Alarm is acknowledged silenced then the message DOWN gt TO gt xxF or xxM will scroll If you descend below the required Stop Depth before 5 minutes have elapsed the GEO will continue to function in Decompres sion Dive Mode No off gassing Credit will be given while above a Required Stop Depth and for each minute above it 1 minutes of Penalty Time will be added to Required Stop Time and TAT Total Ascent Time The added Penalty decompression Time will have to be worked off first before obtaining off gassing credit will be given Once the Penalty Time is worked off and off gassing Credit begins required Deco Stop Depths and Time will decrease toward zero The TLBG will recede into the No Deco Zone and the GEO will revert to the No Deco Dive Mode NOTE Upon entry into the following Delayed Violation Modes the Audible Alarm will sound
72. ities nitrogen tissue loading remains a factor Nitrogen loading is calculated based upon a fixed FO2 of AIR Since a user has the option of alternating between NORM SCUBA and FREE Dive activities within a 24 hour period nitrogen calculations and the displayed value of No Deco Dive Time Remaining 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 model currently used in the GEO is based on no decompres sion decompression multilevel repetitive dive schedules This algorithm does not take into account the physiological changes associated with the high pressures that competitive type Free diving can expose a diver to 120 WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information REFERENCE 121 Fig 116 CASE BACK 122 CARE AND CLEANING Protect your GEO from shock excessive temperatures expo sure to chemicals and tampering Protect the lens against scratches with a Instrument Lens Protector Small scratches will naturally disappear underwater Soak and rinse the GEO in fresh water at the end of each
73. lashing at lt 2 50 volts change the Battery will not function as a DC Dive Computer Mode Activation Manual push button recommended required if Wet Activation is set OFF Automatic by immersion in water if set ON Graphic WET indicates Activation Contacts Wet unit must be dried prior to transport or storage Cannot be manually activated deeper than 4 FT 1 2 M if Water Activation is set OFF Cannot operate as a Dive Computer at elevations higher than 14 000 feet 4 270 meters JReverts to Main Time if no dive is made within 2 hours after entry into a Surface Mode JmReverts to Main Time 10 minutes after surfacing from dives Operating Temperature Out of the water between 20 F and 140 F 6 and 60 Inthe water between 28 F and 95 F 2 and 35 At extremely low temperatures the LCD may become sluggish but this will not affect it s accuracy If stored or transported in extremely low temperature areas below freezing you should warm the unit and its battery with body heat before diving Storage Temperature Out of the water in storage case provided between 14 F and 158 F 8 and 70 135 136 WARNINGS Ensure that you know which Operating Mode is selected NORM GAUG or FREE prior to commencing any dive Conducting Free dives within a 24 hour period after conducting SCUBA dives combined with the effects of multiple rapid Free Dive ascents increa
74. layed when Time is in 12 Hour Format Depressing and holding the S button while the HOUR Set Point is flashing will scroll through the Set Points in 1 Hour increments at a rate of 4 per second from 12 A to 11 P or to 23 if set for 24 Hour Format Pressing and releasing the A button momentarily lt 2 seconds will save the Hour Set Point and or advance to SET MINUTE with the MINUTE Set Point flashing Fig 10 Depressing and holding the S button while the MINUTE Set Point is flashing will scroll through the Set Points in 1 minute increments at a rate of 4 per second from 00 to 59 a Pressing and releasing the A button momentarily lt 2 ff ene seconds will save the Minute Set Point and or advance to e the SET DATE screen with the YEAR Set Point flashing K ay mE Fig 10 SET MINUTES 21 LA Displayed on the SET DATE screen will be the graphic YEAR es Month and Day or Day and Month if set for metric with the YEAR Set Point flashing Fig 11 20009 lt 3 K D Depressing and holding the S button while the YEAR Set i Point is flashing will scroll through the Set Points in 1 year increments at a rate of 4 per second from 2006 to 2049 with leap year corrections Pressing and releasing the A button momentarily 2 sec will save the Year Set Point and or advance to SET MONTH with the Set Point flashing and the graphic aa MNTH Fig 12 Fig 11 SET YEAR 200 NOTE
75. le after 10 minutes on the surface ore Fig 90 TRANSITION PERIOD 96 To view that dive s Log during the Transition Period Press release the button lt 2 seconds to access the fe DN Preview screen Fig 91 Press release S button lt 2 seconds to view the Log 93 n Data 1 screen IVA Press release the S button lt 2 seconds again to view the Axe Lo Log Data 2 screen Press release the S button lt 2 seconds again to view the Log Data 3 screen during Transition Press release the S button 2 seconds again to return to Period the NORM Surface Main screen The screen will revert to the NORM Surface Main after 2 minutes if the S button is not pressed Log Data will not be stored in the unit s memory until the 10 minute Transition Period on the surface is completed Once 10 minutes have elapsed the SURF icon will stop flashing indicating that the Dive and Transition Period are completed and a subsequent descent will be considered a new dive Operation will then revert to the Watch TIME Display AFTER THE TRANSITION PERIOD Once the Transition Period has ended the NORM Surface Main screen Fig 92 can be accessed from the Watch TIME eed Fig 92 NORM SURF screen by pressing the M button for 2 seconds You will then MAIN have full access to other NORM DC modes displays after Transition Period 97 To activate the Backlight P
76. ledge to use it INTERACTIVE CONTROL CONSOLE The Interactive Control Console consists of four Control Buttons that allow you to select mode options and access specific information They are also used to link the Transmitter s enter Settings activate the Backlight and acknowledge the Audible Alarm Throughout this manual they will be referred to as the M S L and A buttons e Upper Left Mode M button AA Upper Right Select 5 button 5 e Lower Right Light L button 3 e Lower Left Advance A button IP ANN NX Weed 10 OPERATING MODE STRUCTURE Unless it is operating in Dive Computer mode the GEO will be ON in the default WATCH MAIN TIME home time mode Fig 1 like a standard WATCH until the Mode is changed The M button is used to access 4 other Modes that include Alternate Time Mode Countdown Timer Chronograph stop watch lap timer and Daily Alarm It is also used to revert to the Local Default Time display and access Computer Modes The screens of the Main Modes and Sub Modes will remain on display until a button is pressed to access another screen or Mode activate a sequence or for 2 minutes if no button is pressed The Chronograph remains on display as long as it is running unless another Mode is accessed When Wet Activation is set On the GEO will enter selected Dive Mode upon descent to 5 FT feet 1 5 M meters for 5 seconds regardless of what operating Mode it is
77. move the Battery Hatch O ring and inspect it for any signs of deterioration or deformity DO NOT use tools to remove the O ring To ensure proper sealing O ring replacement is highly recommended each time the Battery is replaced Fig 119 BATTERY REMOVAL 125 Closely examine the threads of the Battery Hatch and Housing for any signs of damage that might prevent proper threading Closely examine the inside of the Battery Compartment for any signs of corrosion indicating entrance of moisture into the unit Fig 120 BATTERY f corrosion is found return the GEO to an Authorized INSTALLATION Oceanic Dealer and DO NOT attempt to use it until it has received factory service f moisture is found it is best to have the unit inspected and cleaned by an Authorized Oceanic Dealer e f it is necessary to clean the Battery Compartment flush it and all components with a solution of 50 white vinegar and 50 fresh water Rinse with fresh water and allow to dry overnight or blow dry with a hair dryer set at no heat Battery Installation Slide a new 3 volt type CR2430 Lithium Battery negative side down into the Battery Cavity Slide it in from the Left side Fig 120 and ensure that it slides under the contact clip on the lower right rim of the cavity lightly lubricate the new Hatch O ring with silicone grease and place it on the inner rim of the Battery Hatch Ensure that it is evenly seated Fig
78. n is pressed for a period of 2 minutes operation INDC or O2 will revert to the NORM or GAUG SURF MAIN screen decreases to the Alarm Set Point will activate the Alarm SET NORM DTR DIVE TIME REMAINING ALARM information includes Fig 45 gt Graphic DTR gt Set Point value hr min flashing with TIME O2 and NDC icons Pressing and releasing the S button momentarily lt 2 seconds will increase the Set Point from 0 00 to 0 20 minutes 1 minute 0 01 increments Depressing and holding the S button will scroll through the Set Points at a rate of 4 Set Points per second until it is released Pressing and releasing the A button momentorily 2 seconds will save the setting and or advance to the SET ym PO2 ALARM screen with the Set Point flashing i P Pressing and releasing the A button momentarily and B repeatedly lt 2 seconds each time will step through the KC E other SET A screens Ns P _ Depressing the and S buttons simultaneously for 2 See seconds will save the setting and revert back to the SETA Fig 45 SET DTR screen ALARM 51 Depressing and holding the button 2 seconds or if Setting Ihe PO2 no button is pressed for a period of 2 minutes operation farm do will revert to the NORM or GAUG SURF MAIN screen before reaching the Max allowed limit of 1 60 ATA is highly recommended SET NORM PO2 ALARM information includes Fig
79. n to be disabled Some cautionary situations will cause the Audible alarm to sound and the LED to flash even if this feature is set to OFF EN SET NORM GAUG AUDIBLE ALARM information includes 41 Fig 41 7 gt Graphic AUD NX gt Set Point graphic ON or OFF flashing Fig 41 SET AUDIBLE 47 Pressing and releasing the S button lt 2 seconds will toggle between ON and OFF Pressing and releasing the A button momentarily 2 seconds will save the setting and or advance to the SET DEPTH ALARM screen with the Set Point flashing Pressing and releasing the A button momentarily and repeatedly lt 2 seconds each time will step through the other SET A screens Depressing the and buttons simultaneously 2 seconds will save the setting and revert back to the SET A screen Depressing and holding the M button for 2 seconds or if o UMS no button is pressed for a period of 2 minutes operation separate Depth will revert to the NORM or GAUG SURF MAIN screen Alarms SET NORM GAUG DEPTH ALARM information includes Fig 42 Graphic DPTH gt Depth Set Point value flashing with MAX and FT or icons EM Pressing and releasing the S button momentarily 2 a eb seconds will step through the Set Points from 30 to 330 FT 10 to 100 M in 10 FT 1 M increments at a rate of 1 Set Ne Z Point per press of the button Teer Depressing and hol
80. ng Sequence PDPS Set Point Control Console and Oceanlog are all registered and unregistered trademarks trade names and service marks of Oceanic All rights are reserved PATENT NOTICE U S Patents have been issued or applied for to protect the following design features Data Sensing and Processing Device U S Patent no 4 882 678 Other patents pending User Setable Display U S Patent no 5 845 235 is owned by Suunto Oy Finland DECOMPRESSION MODEL The programs within the GEO 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 dive computer model is based upon the latest research and experi ments in decompression theory Still using the GEO just as using the U S Navy or other No Decompression Tables is no guarantee of avoiding decompression sickness i e the bends Every diver s physiology is different and can even vary from day to day No machine can predict how your body will react to a particular dive profile NOTICE STORAGE and INITIAL ACTIVATION GEO Watch Dive Computers are placed in a Deep Sleep mode prior to being shipped from the factory The intent is to extend storage life of the Battery for up to 7 years before the unit is initially placed in service In this mode Date and Time are updated as they normally would However they are not displayed Upon waking the GEO u
81. nts are taken every 15 minutes during the 24 hour period after surfacing Measurements are only taken when the unit is dry gt Two readings are taken the second reading 5 seconds after the first The readings must be within 1 foot 30 of each other to record that Ambient Pressure as the current ALTITUDE The Mathematical Model in the GEO accounts for the reduced No Decompression dive Time available based on National Oceanic and Atmospheric Administration NOAA guidelines When diving in high altitude waters from 2 000 to 14 000 feet 610 to 4 270 meters the GEO automatically adjusts to these conditions providing corrected Depth reduced No Decompression Times and reduced Oxygen Accumulation Times at intervals of 1 000 feet 305 meters No adjustments are made during any time that the Wet Contacts are bridged At an elevation of 2 000 feet 610 meters Depth Calibration automatically changes from feet of seawater to feet of fresh water This is the first adjustment to the Algorithm 128 When the Conservative Factor feature is set ON allowable dive times are calculated based upon the next higher 3 000 foot 915 meter Altitude 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 If the Conservative Factor is set ON while at Sea Level calculations are based upon an Altitude of 3 000 feet The GEO will not function as a Dive Com
82. o values equivalent to those that would be available at the next higher 3000 foot 915 meter Altitude Refer to the tables at the back SET BACKLIGHT DURATION information includes Fig 51 gt gt Graphics GLO meaning Backlight and SEC Set Point seconds flashing with TIME icon Pressing and releasing the S button momentarily lt 2 seconds each time will step through the Set Points of 0 5 and 10 seconds Pressing and releasing the A button momentarily lt 2 seconds will save the setting and or advance to the SET SAMPLING RATE screen with the Set Point flashing Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert back to the SET U screen Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen Fig 51 SET BACKLIGHT DURATION 57 A SET NORM GAUG SAMPLING RATE information includes Sree Fig 52 gt Graphics SAMP and SEC ap H H 5 Sa xj Set Point seconds flashing with TIME icon Mos rd Pressing and releasing the S button momentarily 2 seconds will step through the Set Points of 2 15 30 60 Fig 52 SET seconds SAMPLING RATE Pressing and releasing the A button 2 seconds will accept the setting and or advance to the SET U screen Depressing and holding the M button for 2 seconds or if no button is pressed
83. of the O2 Bar Graph will be displayed flashing Fig 25 Depth Time values will not appear in Plan Mode until the O2 Bar Graph recedes into the normal zone 4 segments indicat ing that your daily oxygen dosage has decreased an amount equivalent to the amount accumulated during the latest dive completed Gb 5 Fig 25 O2 EX CEEDED 33 Fig 26 CURRENT DEPTH Fig 27 DEPTH 34 While you cannot provide a guarantee against the occurrence of decompression sickness you may choose your own personal zone of caution based upon age physique excessive weight etc to reduce the statistical risk Within the available NORM Mode parameters that can be set described later are TLBG Alarm and a Conservative Factor which if set ON reduces No Decompression times allowed ALPHA NUMERIC DISPLAYS Depth Displays all Modes During dives the Current Depth display Fig 26a and Maximum Depth which is accessed as an Alternate Display Fig 27a indicate Depths from 0 to 330 FT 100 M in increments of 1 FT 0 1 During a No Decompression Safety Stop the set Stop Depth is displayed and during a Decompression condition the required Ceiling Stop Depth is displayed Time and Date Displays Time of Day and NORM GAUG displays are shown in hour minute format i e 1 16 represents 1 hour and 16 minutes not 1 16 minutesl FREE Dive Mode times are shown in minute second format
84. or retrieval Download to the PC Download portion of the program includes dive number surface interval time maximum depth elapsed dive time start date start time lowest temperature under water sampling rate dive profile Set Points OTS O2BG and FO2 The GEO checks for the presence of an interface device connection to the Data Port once every second while in Watch Main Time Mode Checks are not made if the Wet Activation contacts are wet Upon sensing an interface connection the requesting device PC connects to the GEO and is prepared for Upload of settings or Download of data which are then initiated using the PC programs Prior to attempting to Download data from your GEO or Upload Settings to it review the HELP section of the interface program Recommended is to print those sections of HELP that you consider appropriate for your Interface activities 99 PC compatibility requirements IBM or compatible Personal Computer with USB Port Intel Pentium 200 MHz or better microprocessor Microsoft Windows 98 Second Edition ME NT 2000 or XP Super card or compatible video graphics adaptor 256 color or greater with a minimum 800 X 600 pixel screen area of display settings 16MB of available RAM 20MB of available hard drive storage Mouse CD Rom drive Printer For software updates refer to the Oceanic web site www OceanicWorldwide com For support call OceanLog Support toll free at
85. p the correct Date and U S Pacific Time will be displayed and it will be ready to operate with full functions To wake the GEO up from Deep Sleep mode simultaneously depress the upper right S and lower left A buttons for 2 to 3 seconds until the display comes full ON displaying the MAIN TIME screen then release them NOTE Once the GEO is brought out of the Deep Sleep mode it can only be placed back in it by the factory WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information INTRODUCTION AND GENERAL FEATURES AND DISPLAYS INTRODUCTION Welcome to OCEANIC and thank you for choosing the GEO It is extremely important that you read this Operating Manual in sequence and understand it completely before attempting to use the GEO as a dive computer It is equally important that you read the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 provided with your GEO It contains information that you must become familiar with prior to diving with your GEO Remember that technology is no substitute for common sense and a dive computer only provides the person using it with data not the know
86. pth required Foye gt Current Depth with FT or M icon ue 5 gt Total Ascent Time hr min with TIME and TAT icons gt Elapsed Dive Time hr min with DIVE and TIME icons Fig 79 DECO STOP gt Nx icon if FO2 is set for Nitrox aes The display will revert to the MAIN Display after 5 seconds unless the A button is pressed Press release the A button lt 2 seconds to view the Deco Stop ALT 2 screen DECO STOP ALT 2 DISPLAY information provided includes Fig 80 gt Bar Graph representing O2 Accumulated with graphic O2BG if FO2 is set for Nitrox gt Max Depth with MAX and FT or icons gt FO2 Set Point with FO2 icon if FO2 is set for Nitrox gt x xx ATA with PO2 icon if FO2 is set for Nitrox gt icon if FO2 is set for Nitrox 754 e The display will revert to the MAIN Display after 5 100 FA seconds unless the A button is pressed EO Press release the A button to view the Secondary Display 80 pco sroP 85 SECONDARY DISPLAY information includes Fig 81 4 i E Fig 81 SECONDARY ETE 20 om 008 Fig 82 CONDITIONAL VIOLATION MAIN 86 Day of the Week graphic MON TUE etc Time of Day hr min This will be the Watch Time selected MAIN or ALTERNATE gt Temperature with degrees icon and graphic F or The display will revert to the MAIN Display after 5 seconds or if the A button
87. puter above 14 000 feet 4 270 meters Altitude O 2000 Depth feet 30 4 20 40 237 50 1 21 60 0 57 70 0 40 80 0 30 90 0 24 100 0 19 110 0 16 120 0 13 130 0 11 140 0 09 150 0 08 160 0 07 170 0 07 180 0 06 190 0 05 2001 fo 3000 3 35 1 53 1 07 0 46 0 33 0 26 0 20 0 16 0 13 0 10 0 09 0 07 0 07 0 06 0 05 0 05 0 05 lo 4000 3 21 1 43 1 03 0 43 0 31 0 24 0 19 0 15 0 12 0 09 0 08 0 07 0 06 0 06 0 05 0 05 0 04 3001 4001 fo 5000 3 07 1 36 1 00 0 40 0 30 0 23 0 18 0 14 0 11 0 09 0 08 0 07 0 06 0 05 0 05 0 05 0 04 5001 fo 6000 2 55 1 30 0 58 0 38 0 28 0 21 0 17 0 13 0 10 0 08 0 07 0 06 0 06 0 05 0 05 0 04 0 04 6001 lo 7000 2 45 1 25 0 55 0 36 0 27 0 20 0 16 0 12 0 09 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 04 7001 fo 8000 2 36 1 20 0 52 0 34 0 26 0 19 0 15 0 11 0 09 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 04 8001 fo 9000 10000 11 2 28 1 16 0 48 0 33 0 24 0 18 0 14 0 10 0 08 0 07 0 06 0 06 0 05 0 05 0 04 0 04 0 04 IMPERIAL NO DECOMPRESSION LIMITS HOURS MINUTES AT ALTITUDE 9001 10001 11001 12001 13001 lo 2 21 1 12 0 45 0 31 0 23 0 17 0 13 0 10 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 04 0 03 fo fo to to 000 12000 13000 14000 2 15 1 09 0 43 0 30 0 22 0 16 0 12 0 09 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 04 0
88. r Nitrox Nx icon if FO2 is set for Nitrox The display will revert to the MAIN Display after 5 seconds unless the A button is pressed Press release the A button to view the Secondary Display SECONDARY DISPLAY information includes Fig 72 The Secondary Display shown here is common to all Modes during dives Its description will not be repeated although access to it will be described WE Fig 72 SECONDARY 80 Day of the Week graphic MON TUE etc Time of Day hr min This will be the Watch Time selected MAIN or ALTERNATE Temperature with degrees icon and graphic F or C The display will revert to the MAIN Display after 5 seconds or if the A button is pressed released NORM DIVE DECO SAFETY STOP Upon ascending to 5 FT 1 5 M below the Safety Stop Depth set on any No Decompression dive in which Depth exceeded 30 FT 9 a short will be emitted and a Safety Stop at the Depth set will appear on the display with a countdown timer that begins at the Safety Stop Time set The Safety Stop will be displayed until the countdown times out 0 00 or you descend below FT 10 or you breach the surface There is no Penalty if you surface prior to completing the Safety Stop If the Safety Stop was set to OFF the screen will not appear during the ascent NO DECO SAFETY STOP MAIN DISPLAY information in cludes Fig 73 gt TLBG representing Nitrogen loading gt Graphics
89. red Delayed Violation Maximum Operating Depth of 330 FT 100 M is exceeded Watch Daily Alarm reaches time set disabled during Dive Modes Watch Mode Countdown Timer reaches 0 00 single short which cannot be disabled is emitted for the following Upon completion of a Hot Swap battery change Change from Delayed to Full Violation 5 minutes after the dive 3 short beeps which cannot be disabled are emitted for the following NORM GAUG Ascent Rate is 51 to 60 FPM 15 1 to 18 MPM when deeper than 60 FT 18 or 26 to 30 FPM 7 5 to 9 MPM at 60 FT 18 M and shallower FREE Elapsed Dive Time Alarm 3 beeps every 30 seconds if set On FREE Depth Alarms 1 2 3 set sequentially deeper each 3 beeps 3 times FREE TLBG Alarm Caution zone 4 segments 3 beeps 3 times Entry into Deco during a FREE Dive Permanent Violation 3 beeps 3 times Free Dive Mode Countdown Timer reaches 0 00 each 3 beeps 3 times During the following NORM Dive situations the 10 second continuous tone will be followed by a 5 second steady beep that will not turn off when acknowledged Ascending above a required Decompression Ceiling Stop Depth for more than 5 minutes referred to as a Delayed Violation e Decompression requires a Ceiling Stop Depth of 70 FT 21 M or deeper Being on the Surface for 5 minutes after a Conditional Violation Permanent Violation BACKLIGHT To activate the Backlight press the L
90. reen gt is selected accepted the Depth value displayed will flash Pressing releasing the S button momentarily and repeatedly lt 2 seconds each time will step through the Set Points from 30 to 330 FT 10 to 100 M in increments of 10 FT 1 M at a rate of 1 Set Point per press of the button Pressing and holding the S button will scroll through the Set Points at a rate of 4 Set Points per second until released Pressing the A button momentarily 2 sec will accept the Depth Setting and advance to SET FDA 2 The Set Point for the NORM GAUG Depth Alarm does not affect the FREE Depth Alarms es EM _ d ic Pd WS set Fig 104 SET FREE DEPTH ALARM 1 113 The range of available FDA 2 Set Points begins at the next FT M value greater than the FDA 1 Alarm Set Point Fig 105 SET FREE DEPTH ALARM 2 114 Depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes the display will revert the FREE SURF MAIN screen SET FREE DEPTH ALARM 2 FDA2 DISPLAY information provided includes Fig 105 gt gt gt Graphic FDA2 Depth alarm value flashing if ON is displayed with MAX and FT or M icons Set Point ON or OFF flashing Pressing releasing the S button momentarily 2 seconds will toggle the Set Point between ON and OFF Pressing releasing the A button momentarily lt 2 second
91. ress the L button at any time To access NORM PLAN Mode refer to page 59 Press release the button The Planning Sequence now displays adjusted No Decompression Limits based on residual nitrogen and accumulated oxygen calculated to be remaining from the previous dives To access the FLY Mode refer to page 62 Press release the A button 2 times To access the DESAT Mode refer to page 63 Press release the button 3 times gt If a Violation occurred during the dive the SAT screen will not be displayed The Time to Desaturate counter provides calculated time for tissue desaturation at sea level To access the NORM GAUG LOG Mode refer to page 64 Press release the button 4 times To access the NORM GAUG HISTORY Mode refer to page 69 Press release the A button 5 times while NORM SURF MAIN is displayed 98 UPLOADING SETTINGS AND DOWNLOADING DATA The GEO is configured with a Data Port located on the back of the left side that enables it to be connected to a PC through a USB port using the OceanLog Interface Cable A USB Driver is provided on the program CD as part of the Interface System The Settings Upload portion of the OceanLog program can be used to set change the Main Time Date Set A group Alarms and Set U group Utilities using the same Interface System The Set F group FO2 and FREE Mode Alarms must be entered using the button controls Information available f
92. ressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SET FO2 50 DEFAULT information includes Fig 39 Graphics DFIT and 50 with FO2 icon Set Point graphic OFF or ON flashing with FO2 icon Nxicon Pressing and releasing the S button 2 seconds will toggle a between OFF and ON 50 Pressing and releasing the A button momentarily lt 2 AEE 30 seconds will save the setting and revert to the SET F screen en Depressing and holding the M button 2 seconds or if no button is pressed for a period of 2 minutes operation will revert Fig 39 SETFO250 the NORM SURF MAIN screen DEFAULT 46 SET GROUP NORM GAUG ALARMS se NY Set A Sequence SET RN SET gt Audible gt Depth gt EDT gt TLBG gt DTR gt PO2 The SET A Group can also set changed using the PC ug Z Settings Upload program Fig 40 SET A gt SET A Settings remain at the values set until changed gt Depressing the A and S buttons simultaneously for 4 seconds while NORM or GAUG SURF MAIN is displayed will access SET A identified by the graphic SETA Fig 40 gt Pressing and releasing the A button momentarily lt 2 seconds while SET A is displayed will advance to SET AUDIBLE ALARM with the Set Point flashing SET NORM GAUG AUDIBLE ALARM This option allows the Audible Alarms and the associated red warning LED functio
93. s blank for Dive 1 of a series Elapsed Dive Time hr min with DIVE and TIME icons Nx icon if FO2 was set for Nitrox Pressing and releasing the S button momentarily lt 2 seconds button will advance to the LOG DATA 2 screen Depressing and holding the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM GAUG SURF MAIN screen Pressing the L button will activate the Backlight LOG DATA 2 information includes Fig 60 gt gt gt gt Log icon ZX Maximum Depth achieved with MAX and FT or M icons X Temperature minimum recorded that dive with degrees ee N icon and graphic F or Nx icon if FO2 was set for Nitrox CES ES ic sec Pressing and releasing the S button momentarily lt 2 seconds button will advance to the LOG DATA 3 screen Fig 60 LOG DATA 2 67 Depressing and holding the M button 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM or GAUG SURF MAIN screen Pressing the L button will activate the Backlight LOG DATA 3 information includes Fig 61 This screen will only be displayed for NORM Nitrox dives bypassed for AIR GAUG and Violation dives O2BG segments representing Oxygen accumulated at the end of the dive with graphic O2 Log icon FO2 set for that dive with FO2 icon Value of Max PO2 achieved x xx ATA with PO2 icon Nx
94. s will accept the ON OFF settings If OFF is selected accepted Set FDA 3 will be bypassed and the display will revert to the FREE SURF MAIN screen If ON is selected accepted the Depth value displayed will flash Pressing releasing the S button momentarily and repeatedly lt 2 seconds each time will step through the Set Points from 40 to 330 FT 11 to 100 M in increments of 10 FT 1 M at a rate of 1 Set Point per press of the button Pressing and holding the S button will scroll through the Set Points at a rate of 4 Set Points per second until released Pressing the A button momentarily 2 sec will accept the Depth Setting and advance to SET FDA 3 Depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes the display will revert the FREE SURF MAIN screen SET FREE DEPTH ALARM 3 FDA3 DISPLAY information provided includes Fig 106 Graphic FDA3 Depth alarm valve flashing if ON is displayed with MAX and FT or M icons gt Set Point ON or OFF flashing e Pressing releasing the S button momentarily lt 2 seconds will toggle the Set Point between ON and OFF e Pressing releasing the A button momentarily lt 2 seconds will accept the ON OFF settings gt If OFF is selected accepted the display will revert to the FREE SURF MAIN screen gt IF ON is selected accepted the Depth value displayed will flash The range of available FDA
95. s set before the dive FO2 continues 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 When the FO2 50 DEFAULT is set OFF FO2 will remain set at the last Set Point selected for that series of repetitive dives The default FO2 for each new dive Period no dive made in 24 hours is AIR When FO2 is set for AIR the calculations are the same as when it is set to an FO2 of 21 When FO2 is set to AIR it remains set for AIR until it is set for a numeri cal FO2 value 21 to 50 When FO2 is set for AIR the O2 Bar Graph is not displayed at any time during a dive or on the surface PO2 values and or warnings will not be displayed during the dive FREE Dive nitrogen calculations are based on AIR and not affected by these FO2 Settings 44 Maximum Operating Depths affected by the PO2 limit set will not be displayed when FO2 is set for AIR PAN Internally the GEO keeps track of the oxygen loading so that if FO2 is subsequently set a numerical value oxygen X accumulation for previous AIR dives will be accounted for in A _26 the next dive during that dive period and series of repetitive dives Fig 37 SET FO2 AIR setting Once FO2 is set for a numerical value 21 to 50 and a dive is made the AIR option is disabled until 24 hours elapse after the last dive The AIR option will not be displayed
96. save the setting and or advance to the SET SAFETY STOP screen with the Time Set Point flashing Pressing and releasing the A button momentarily and repeatedly 2 seconds each time will step through the other SET U screens Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert back to the SET U screen Depressing and holding the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM or GAUG SURF MAIN screen SET NORM SAFETY STOP information includes Fig 49 gt gt gt Graphic SAFE Safety Stop Depth Set Point with FT or M icon Safety Stop Time Set Point min sec flashing with STOP and TIME icons Pressing and releasing the S button momentarily lt 2 seconds each time will step through the Stop Time Set Points of OFF 3 00 and 5 00 e Pressing and releasing the A button momentarily 2 A seconds will save the Stop Time setting and the Stop G Depth Set Point will flash or if Stop Time is set OFF 4 21 B advance to the SET CONS Conservative Factor screen sus with the Set Point flashing 30057 Pressing and releasing the S button momentarily lt 2 220 seconds each time will step through the Stop Depth Set Points of 10 15 and 20 FT 3 4 5 and 6 Fig 49 SET SAFETY 55 Pressing and releasing the button momentarily lt 2 seconds will save the Safety Stop settings and
97. ses your risk of decompression sickness Such activities may result in accelerated entry into decompression which could cause serious injury or death Combining competitive type Free dive activities that involve multiple descents ascents with activities utilizing SCUBA during the same 24 hour period is not recommended Presently there is no data relating to such activities It is highly recommended that anyone planning to become involved in competitive type Free dive activities obtain proper instruction and training from a recognized Free Diving trainer It is imperative that the physiological affects be understood and the diver is physically prepared If your GEO stops working for any reason while operating as a Dive Computer it is important that you have anticipated this possibility and are prepared for it This is an important reason for not pushing the no decompression and oxygen exposure limits and a critical reason to avoid entering decompression If you dive in situations where your trip would be ruined or your safety would be jeopardized by losing the use of your GEO a backup instrument system is highly recommended ERROR RESET DURING DIVE If for any reason the GEO shuts Off then turns On again for any reason during any Dive the message ERR Error will be displayed with the Up Arrow and current Depth Fig 124 If this occurs it is highly recommended that you terminate the dive and begin a safe ascent to the s
98. ss the Secondary display The display will revert to the MAIN Display after 5 seconds unless the A button is pressed released SECONDARY DISPLAY information includes Fig 96 Day of the Week graphic MON TUE etc Time of Day hr min This will be the Watch Time selected MAIN or ALTERNATE gt Temperature with degrees icon and graphic F or The display will revert to the MAIN Display after 5 seconds or if the A button is pressed released WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information FREE DIVE OPERATING MODE 105 FREE DIVE MODE When FREE Free Dive Mode is selected as the Operating Mode the GEO will operate as a Digital Depth Gauge with select features Nitrogen calculations are based upon a default FO2 of AIR and the amount remaining during 24 hours is carried over between FREE and NORM Operating Modes To access FREE Operating Mode while Watch MAIN TIME is displayed press M button 3 times 2 seconds each time or while the GAUG SURF MAIN screen is displayed and no GAUG dive was made press the M button 1 time for 2 seconds The graphic FREE will flash indicating that FREE can
99. ssages presented The Informational Displays are described in detail as the various operating modes they appear in are presented throughout this manual WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information DIVE COMPUTER SURFACE SEQUENCE AND OPERATING MODES 37 Fig 31 NORM SURF no dive made 38 DIVE COMPUTER DC OPERATING MODES The GEO features 3 selectable DC Operating Modes NORM for Normal Air or Nitrox dives GAUG for dives with no Nitrogen Oxygen calculations Once a dive is made in GAUG Mode dive computer operation is locked into Gauge Mode for 24 hours after the dive FREE for dives with no SCUBA SURFACE MODE Depressing and holding the M button for 2 seconds while the Local Default Watch TIME screen is displayed Main Time or Alternate Time whichever was selected as the Default ac cesses the previously selected Dive Mode SURFACE screen NORM GAUG or FREE If no dive has been taken within the past 24 hours the NORM SURF MAIN screen will appear as the default display indicated by the graphic NORM solid Fig 31 The GAUG or FREE SURF MAIN screens can be accessed by subsequent 2 second presses of the M button Their graphics will flash indicating that they can be selected as the
100. til the Alarm is acknowledged silenced The graphic PO2 and UP Arrow will appear solid on the MAIN Display Fig 88 as a warning until PO2 decreases After the Alarm is silenced the graphic message UP gt HIGH PO2 will scroll If PO2 continues to increase the value displayed will increase toward a maximum value of 5 00 ATA in increments of 0 01 ATA When 2 reaches the PO2 Alarm Set Point the red LED warning light will flash and the Audible Alarm will sound again The graphic PO2 and UP Arrow will flash as a warning until PO2 decreases below the Alarm Set Point The message UP HIGH PO2 will continue to scroll The value of PO2 can be viewed by accessing the ALT Display by pressing releasing the A button The ALT will revert to the MAIN Display after 5 seconds ummy We I de Fig 88 HIGH PO2 91 Fig 89 HIGH O2 MAIN 92 HIGH OXYGEN ACCUMULATION The O2 Bar Graph displays either oxygen accumulated during that nitrox dive or during the repetitive nitrox dives you conduct during that 24 hour period whichever of the two is greater at that time The O2 Bar Graph allows you to monitor how close you are coming to the limits of oxygen exposure If the theoretical amount of oxygen accumulated equals or exceeds the limit for a single exposure or the exposure limit for a 24 hour period 300 OTUJ Oxygen Dive Time Remain ing becomes 0 00 hr min the graphic O2BG appears
101. to 159 Pressing and releasing the A button momentarily lt 2 seconds will save the MINUTE Set Point and or advance to the DAILY ALARM screen indicated by the graphic ON or OFF flashing Depressing and holding the M button for 2 seconds will revert to the Local Default Watch Time screen 30 WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information DIVE COMPUTER FEATURES AND DISPLAYS 31 B lt ut Fig 2 23 TLBG e GE 10 y VERLO Fig 24 O2BG 32 BAR GRAPH The GEO features one shared Bar Graph that represents either nitrogen loading or when accessed oxygen accumulation By default the Bar Graph Fig 23a referred to as the Tissue Loading Bar Graph TLBG represents your relative no decom pression or decompression status As your Depth and Elapsed Dive Time increase segments will add to and as you ascend to shallower depths the segments of the TLBG will begin to recede indicating that additional no decompression time is allowed The Tissue Loading Bar Graph monitors 12 different nitrogen compartments simultaneously and
102. um Operating Depth of 330 FT 100 the UP Arrow will flash and the Current Depth and Max Depth displays will only indicate 3 dashes signifying that you are Out of Range The graphic message TOO DEEP will scroll at the top of the display until Ascent is made above 330 FT 100 Upon ascending above 330 FT 100 the Current Depth display will be restored however Max Depth will only display 3 dashes for the remainder of that dive Also the Log for that dive will display 3 dashes as the Max Depth achieved IMMEDIATE VIOLATION AND VIOLA GAUGE MODE If a Decompression Ceiling Stop Depth much greater than 60 FT 18 is required an Immediate Violation Mode will be entered This situation would be preceded by entering Delayed Violation Mode 2 The GEO would then operate in Violation Gauge Mode during the remainder of that dive and for 24 hours after surfacing Violation Gauge Mode turns the GEO into a digital instrument without any decompression or oxygen monitoring functions VIOLATION GAUGE DIVE MAIN DISPLAY Default information provided includes Fig 86 gt Full and UP Arrow flashing gt Message UP gt VIOL scrolling On gt Current Depth with FT or M icon UTOL A gt Dive Time Remaining as 0 00 hr min with TIME and NDC 138 9 nie icons gt Elapsed Dive Time hr min with DIVE and TIME icons 05 2 L gt Nx icon if FO2 is set for Nitrox
103. urface Upon surfacing and any time thereafter when access to Dive Computer Operating Mode is attempted from Watch Mode only the message ERR will be displayed Fig 125 No Dive Computer Modes screens will be inaccessible If this occurs the GEO must be returned to the factory for evaluation service prior to any further use for diving activities 90 js Ne AA se Fig 124 ERROR WHILE DIVING Fig 125 SURFACE AFTER ERROR DURING A DIVE 137 INSPECTION SERVICE RECORD Serial Number Firmware Revision Date of Purchase Purchased from Below to be filled in by an Authorized Oceanic Dealer Date Service Performed Dealer Technician 138 OCEANIC WORLD WIDE OCEANIC USA 2002 Davis Street San Leandro CA 94577 Tel 510 562 0500 Fax 510 569 5404 Web site http www OceanicWorldwide com service oceanicusa com Oceanic Central North Europe Wendelstein Germany Tel 09129 9099780 Fax 09129 9099789 E mail office oceanic de Oceanic South Europe Genova Italy Tel 0039 010 8382006 Fax 0039 010 8365360 E mail info oceanicse it Oceanic SW Ltd Devon United Kingdom Tel 44 1 404 89 1819 Fax 44 1 404 89 1909 E mail info oceanicuk com Oceanic France Marseille France Tel 0033 491 25 37 78 Fax 0033 491 72 34 48 E mail oceanicfrance wanadoo fr Oceanic Diving Australia Pty Ltd Sorrento Victoria Australia Tel 61 3 5984
104. user manual and can be printed for personal use The Settings Upload program is used to check the GEO s existing Settings and for entering Time Alarm and Dive Computer settings into the GEO The Data Download program is used to retrieve Data that was sampled during dives and stored in the GEO s memory The GEO checks for an External Access request once every second while in the Watch Main Time Checks are not made if the unit is wet For a connection to be made the Interface Cable is clipped onto the GEO s Data Port and plugged into a PC USB Port To establish the connection the PC program must be running When the connection is made all segments of the LCD appear on the display until completion of the Upload or Download operation The GEO reverts to the Watch Main Time screen after completion of the Upload or Download operation or after 2 minutes if no PC action was taken SYMBOLS AND ALPHA NUMERIC GRAPHICS The upper line of digits on the LCD screen is used to convey alpha Messages such as Day of the Week Operating Modes items being Set Altitude level and Alarm identification At times the second line is also used to display alpha numeric graphics such as FO2 and On Off The PO2 values will appear in the lower line AUDIBLE ALARM Most warning situations that activate the Audible Alarm while operating in NORM or GAUG Mode cause the GEO to emit 1 beep per second for 10 seconds or until the situation is corrected or it is ackno
105. w Battery Condition was not displayed prior to Sie GE starting a Dive and a Low Battery Condition occurs Fig 4 LOW BATTERY during the dive there will be sufficient Battery power to ALARM maintain operation for the remainder of that dive 16 WARNING Prior to diving with the GEO you must also read and understand the Oceanic Dive Computer Safety and Reference Manual Doc No 12 2262 which provides Important Warnings and Safety Recommendations as well as general product information WATCH FEATURES AND DISPLAYS E 3217 S Ne 5 Fig 5 MAIN TIME for the Remote Location will display Am or Pm Local Default TIME will not L oe m NL B Fig 6 ALTERNATE TIME LOCAL DEFAULT TIME Watch Main Time Fig 5 is the current Time at your home location and is normally selected as the Local Default Time The normal Watch screen sequence accessed with momentary presses less than 2 seconds each of the M button is Main Time gt Alternate Time gt Countdown Timer gt Chronograph gt Daily Alarm Watch Alternate Time Fig 6 which is set by Hour Differential is the current Time at a remote travel location Upon arrival at the location Alternate Time can be inter changed with Main Time to make it the Local Default Time while visiting the travel location The M button
106. well as general product information OVERVIEW OF DIVE MODE INFORMATION 71 OVERVIEW OF DISPLAYED SYMBOLS AND ICONS SYMBOLS MEANING MAX Maximum Depth or PO2 FT or Depth Units Feet or Meters SURF TIME Surface Interval Time NORM GAUG hr min or FREE hr min sec TIME O2 O2 Dive Time Remaining TIME NDC No Decompression Dive Time Remaining hr min TIME TAT Total Ascent Time Deco Stops plus vertical ascent Times hr min FO2 FO2 Set Point STOP TIME Deco Stop Time hr min or safety Stop Time min sec DIVE TIME Elapsed Dive Time NORM GAUG hr min or FREE min sec Nx FO2 is set at a numerical value 21 to 50 TLBG O2BG log Mode Ascend Descend Battery Low Doily Alarm set Degrees F or C 72 DIVE TIME REMAINING One of the most important pieces of information on Oceanic dive computers is the Dive Time Remaining numeric display The GEO constantly monitors No Decompression status and Oxygen Accumulo tion The Dive Time Remaining display will indicate the No Deco Time or 2 Time whichever Time is the least amount available No Decompression Dive Time Remaining NDC NDC is the maximum amount of time that you can stay at your present Depth before entering a Decompression situation It is calculated based on the amount of Nitrogen absorbed by hypothetical tissue compartments The rates each of these compartments absorb and release Nitrogen is mathematically
107. wledged by momentorily pressing and releasing the S button less than 2 seconds After being acknowledged and the situation corrected the Alarm will sound again upon reentry into the warning situation or entry into another type of warning situation FREE Dive Mode has own set of Alarms which emit 3 short beeps either 1 or 3 times which cannot be acknowledged or set Off red LED Warning Light located on the left side of the housing is synchronized with the Audible Alarm It will flash as the Audible Alarm sounds It will turn Off when the Alarm is acknowledged or the situation is corrected The Audible and LED will not be active if the Alarm is Set OFF a group A setting Situations that will activate the NORM GAUG 10 second Alarm include 14 Descent deeper than the Max Depth Set Point selected Dive Time Remaining at the Set Point selected Elapsed Dive Time at the Set Point selected High PO2 at the Set Point selected High O2 of 300 OTU single or daily exposure Tissue Loading Bar Graph at the segment Set Point selected NORM GAUG Ascent Rate exceeds 60 FPM 18 MPM when deeper than 60 FT 18 or 30 9 MPM at 60 FT 18 M and shallower Entry into Decompression Mode Deco Conditional Violation above a required Deco Stop Depth for less than 5 minutes Delayed Violation above a required Deco Stop Depth for more than 5 minutes Delayed Violation a Deco Stop Depth greater than 60 FT 18 M is requi

Oceanic Watch / Dive Computer GEO User's Manual

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