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OCi OPERATING MANUAL
OCi
DIVE COMPUTER
OPERATING MANUAL
1
© 2002 Design, 2013
Doc. No. 12-5335-r02 (9/12/13)

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Summary of Contents for Oceanic OCi

  • Page 1 OCi OPERATING MANUAL DIVE COMPUTER OPERATING MANUAL © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 2 OCi OPERATING MANUAL Welcome OCEANIC Thank You for choosing the © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 3: Table Of Contents

    NORM DIVE MODE STRUCTURE ..........29 OVERVIEW ..................7 TRANSMITTER SIGNAL RECEPTION GUIDE ......29 MENU SYSTEM ................7 PROXIMITY OF TRANSMITTERS TO OCI ........29 OPERATING MODE STRUCTURES ..........8 LINK INTERUPTION UNDERWATER ..........29 WET ACTIVATION ................30 PC INTERFACE ................
  • Page 4: Notices

    DECOMPRESSION MODEL The programs within the OCi 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 OCi dive computer model is based upon the latest research and experiments in decompression theory. Still, using the OCi, just as using the U.S.
  • Page 5: Features And Functions

    OCi OPERATING MANUAL FEATURES FUNCTIONS © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 6: Display Layout

    INITIAL ACTIVATION OCi 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.
  • Page 7: Overview

    • User Upgradeable Firmware. INTERACTIVE CONTROL CONSOLE The Interactive Control Console utilizes 4 control buttons that allow you to maneuver through the OCi's unique system of menus. The buttons will be referred to as M, S, L, and A. • Upper/Left - Mode (M) button.
  • Page 8: Operating Mode Structures

    OCi OPERATING MANUAL WATCH MODE STRUCTURE COMPASS MODE STRUCTURE SURFACE Dive Op Watch or Mode DC Main Daily AL < 2 s Compass Select < 2 s < 2 s Select Main Main Op Main North CDT Setup Menu Menu...
  • Page 9: Pc Interface

    OCi OPERATING MANUAL PC (PERSONAL COMPUTER) INTERFACE Interface with a PC (including Apple), to allow uploading settings and downloading data, is accomplished by connecting the OCi to a PC USB port using the special Oceanic USB interface cable. The software program together with the USB driver required is on the Oceanic Product CD, or it can be downloaded from the Oceanic web site. The program's Help serves as the user manual which can be printed for personal use.
  • Page 10: Backlight

    OCi OPERATING MANUAL BACKLIGHT To turn the Backlight On, press and release the L button (< 2 seconds). The Backlight will remain On for the duration time set (a Set Utilities selection) unless you turn it Off during that time by pressing S again.
  • Page 11: Watch Mode

    OCi OPERATING MANUAL WATCH MODE © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 12: Watch Default Time

    OCi OPERATING MANUAL WATCH DEFAULT TIME Default Time is the Time that is displayed on the Watch until changed. It is also the Time viewed during operation in DC (Dive Computer) Modes. Main Time is the current Time at your home location and is normally selected as the Watch Default Time.
  • Page 13: Countdown Timer Setup

    OCi OPERATING MANUAL • M (< 2 sec) will step back through the selections. Once the pointer icon ( > ) reaches the upper selection on the matrix, it will remain in that position pointing to the next selection that appears when M is pressed. An up arrow icon located on the right side of the matrix indicates that additional selections are available above those displayed.
  • Page 14: Daily Alarm

    OCi OPERATING MANUAL DAILY ALARM When set On, the Daily Alarm, that runs in the background, will sound the Audible at the time set every day when that time equals the Watch Default Time selected. The Audible will not sound while operating in dive computer modes.
  • Page 15: Set Date

    OCi OPERATING MANUAL Set Date, information includes (Fig. 13): The sequence for setting date is Year, then Month, then Day, regardless of the Date Format set. > Graphic DATE. > Graphics YEAR MNTH.DAY (or (DAY.MNTH). > Date with Year digits fl ashing.
  • Page 16: Norm Surface Modes

    OCi OPERATING MANUAL NORM SURFACE MODES © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 17: Dive Computer Operating Modes

    OCi OPERATING MANUAL DIVE COMPUTER OPERATING MODES NORM Mode >> for Air and Nitrox SCUBA activity with up to 4 Gases and 4 Transmitters. GAUG Mode >> for SCUBA activity with Depth/Time indication and up to 4 Transmitters. FREE Mode >> for general breath hold diving activities with Depth/Time indication.
  • Page 18: Norm Surf Main And Alts

    OCi OPERATING MANUAL NORM SURF MAIN, information includes (Fig. 17A/B): > Surface Interval Time (hr:min) with SURF icon; if no dive yet, this is time since access to NORM. > Graphic Z+ or DSAT, the Algorithm selected. > Graphic NORM.
  • Page 19: Fly/Desat

    OCi OPERATING MANUAL FLY/DESAT TIME - NORM & GAUG MODES Fly Time is a count down timer that begins counting down 10 minutes after surfacing from a dive from 23:50 to 0:00 (hr:min). Desat Time (Desaturation of Nitrogen), also a countdown timer, provides calculated time for tissue desaturation at sea level taking into consideration the Conservation Factor setting.
  • Page 20: Scuba Log - Norm, Gaug

    OCi OPERATING MANUAL SCUBA LOG - NORM & GAUG MODES Information from the latest 24 NORM and/or GAUG dives is stored for viewing. After exceeding 24 dives, the most recent dive is stored while the oldest is deleted. > Dives are numbered from 1 to 24 starting each time NORM (or GAUG) Dive Mode is activated. After the post dive 24 hour period has elapsed, the fi...
  • Page 21: Set Gas Menu - Norm

    OCi OPERATING MANUAL SET GAS - NORM MODE Each Gas has an individual FO2 setting, and when Nitrox, an associated PO2 Alarm setting. Default settings are FO2 Air with no PO2 alarm value for Gas 1, and Off for Gas 2, 3, & 4. Settings revert to the defaults when 24 hours elapse without conducting a dive.
  • Page 22: Set Fo2 Default

    OCi OPERATING MANUAL SET FO2 50% DEFAULT, information includes (Fig. 32): > Graphics FO2 50% DFLT. > Graphic OFF and ON, last one saved fl ashing. • S (2 sec) - to revert to the Set Gas Menu without changing the setting.
  • Page 23: Set Tlbg Alarm

    OCi OPERATING MANUAL SET TLBG (TISSUE LOADING BAR GRAPH) ALARM, information includes (Fig. 37): > Graphics TLBG ALARM. > Graphics OFF, ON, and SET; last saved (OFF or ON) fl ashing upon access. > TLBG segments (last number set) with icon.
  • Page 24: Set Utilities Menu - Norm, Gaug

    OCi OPERATING MANUAL SET UTILITIES MENU - NORM & GAUG MODES (Fig. 41) Menu selections include >> Water Type >> Wet Activation >> Units >> Deep Stop* >> Safety Stop* >> Algorithm* >> Conservative Factor* >> Glo (Backlight) Duration >> Sampling Rate >> TMT Menu.
  • Page 25: Set Safety Stop

    OCi OPERATING MANUAL SET SAFETY STOP (No Deco only), information includes (Fig. 46A/B): > Graphics SAFE STOP. > Graphics OFF, ON, TMR (Timer); last saved fl ashing upon access. > Stop Depth & Time (min) with icons, last values set.
  • Page 26: Set Sampling Rate

    • S (< 2 sec) - to save the selection. >> If TMT 1 is set OFF, the OCi’s receiver will be disabled, and operation will revert to the TMT Menu. >> If ON is selected, operation will revert to the TMT Menu.
  • Page 27: Scuba History - Norm, Gaug

    OC1 BATTERY STATUS, information is to include (Fig. 59):  Graphics OCi and BATT GOOD (=> 2.75 v) or BATT LOW (if < 2.75 v).  Battery icon (shell with inner bar), if a Low Battery Warning condition exists (< 2.75 v => 2.50 v). Shell only with no inner bar fl...
  • Page 28: Dive Mode Features

    OCi OPERATING MANUAL DIVE MODE FEATURES © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 29: Norm Dive Mode Structure

    The OCi cannot effectively receive a signal when it is held out to the sides of the TMT or held at distances greater than 4 feet (1.2 meters) in front of the TMT. Best reception is achieved when the OCi is within 3 feet (1 meter) of the TMT.
  • Page 30: Wet Activation

    The contacts are the metal pins of the PC Interface Data Port and the stems of the buttons. When Wet Activation is set Off, the OCi will not enter Dive Mode while in Watch Mode unless a dive has already been con- ducted and it is a repetitive dive.
  • Page 31: Dual Algorithm

    DUAL ALGORITHM® The OCi is confi gured with 2 algorithms which allows you to choose which set of NDLs (No Deco Limits) will be used for nitrogen/oxygen calculations and displays relating to Plan Mode and DTR (Dive Time Remaining) for NORM dives.
  • Page 32: Dive Time Remaining (Dtr)

    RESET DURING A DIVE (ERROR) If for any reason, the OCi shuts Off then turns On again during any dive, the graphics UP and ERROR will be displayed with the Up Arrow icons and current Depth with FT (or M) icon (Fig. 69).
  • Page 33: Norm Dive Modes

    OCi OPERATING MANUAL NORM DIVE MODE © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 34: No Deco Main, Alts

    OCi OPERATING MANUAL NO DECO MAIN, information includes (Fig. 71A/B) - > Current Depth with FT (or M) icon . > DTR (hr:min) with graphic NDC (or OTR), whichever is less at the time. > Graphic GAS - 1 (or 2, 3, 4), one in use.
  • Page 35: Safety Stop

    OCi OPERATING MANUAL DEEP STOP MAIN, information includes (Fig. 76A) - > Current Depth with FT (or M) icon. > Graphics DEEP STOP. > Stop Depth with graphic FT (or M) > Stop Time (min:sec), counting down from 2:00 to 0:00.
  • Page 36: Decompression

    OCi OPERATING MANUAL • L (< 2 sec) - to toggle the Backlight On/Off. • L (2 sec), while the Backlight is On - to reset the timer and keep it On for the duration time set. SAFETY STOP ALT 1 - similar to DEEP STOP ALT 1.
  • Page 37: Conditional Violation (Cv)

    FT (100 M), the graphic UP with Up Arrow icons will fl ash and Dive Time Remaining (NDC) will only display 3 dashes ( - : - - ) signifying that you are out of range. *This is the Maximum Operating Depth at which the OCi can accurately perform nitrogen/oxygen calculations. Upon ascending above 330 FT (100 M), the graphic UP with Up Arrow icons will be removed.
  • Page 38: Violation Gauge Mode (Vgm)

    OCi OPERATING MANUAL • A (< 2 sec) - to access ALT 1. • M (2 sec) - to access the Gas/TMT Switch Menu. • S (< 2 sec) - to acknowledge other type alarms. • S (2 sec) - to access the Compass Operating Main.
  • Page 39: High O2

    OCi OPERATING MANUAL If PO2 continues to increase and reaches the Alarm setting for the gas in use, the Audible sounds again during which the graphic UP with Up Arrow icons will fl ash, and the PO2 value with icon will fl ash (in place of Pressure) until the Audible is silenced (Fig.
  • Page 40: Norm Gas/Tmt Switching

    OCi OPERATING MANUAL NORM GAS/TMT SWITCHING © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 41 Oceanic advises that you should not use an OCi. If you exceed certain limits, the OCi will not be able to help you get safely back to the surface. These situations exceed tested limits and can result in loss of some functions for 24 hours after the dive in which a violation occurred.
  • Page 42: Digital Gauge Op Mode

    OCi OPERATING MANUAL DIGITAL GAUGE OP MODE © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 43: Digital Gaug Mode Structure

    OCi OPERATING MANUAL DIGITAL GAUG MODE STRUCTURE SURFACE Watch Mode Compass SURF MAIN ALTs Light < 2s M, S < 2s Main Menu access > selection < 2s SET A < 2s S 2 sec to revert SET U from Menu to SURF Main.
  • Page 44: Gaug Surface Main, Alts

    OCi OPERATING MANUAL GAUG SURF MAIN, information includes (Fig. 102): > Surface Interval Time (hr:min) with SURF icon; if no dive yet, this is time since access to GAUG. > Graphic GAUG. > Graphic TMT-1*. > Graphic DIVE and number of the dive just completed during that operating period, up to 24 (0 if no dive made yet).
  • Page 45: Run Timer

    OCi OPERATING MANUAL RUN TIMER The GAUG Mode Set Utilities Menu includes an item that allows a Run Timer to be added to the GAUG Dive Main screen. SET RUN TIMER, information includes (Fig. 107): > Graphic RUN TIMER. > Graphics OFF and ON with the Arrow ( > ) icon next to the one previously saved fl ashing.
  • Page 46: Gaug Tmt Switching

    OCi OPERATING MANUAL GAUG MODE TMT SWITCHING (Transmitters/Tanks) > All dives begin with TMT 1. > The TMT defaults to # 1 after 10 minutes on the surface. > Can only switch when a Dive Main screen is displayed. > Cannot switch while on the surface.
  • Page 47: Free & Tech Free Dive Op Modes

    OCi OPERATING MANUAL FREE DIVE & TECH FREE DIVE OP MODES © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 48: Overview Of Operations

    OCi OPERATING MANUAL OVERVIEW FREE Mode and TECH FREE Mode are similar in many respects and share various functions such as settings. However, they have specifi c differences to be considered prior to commencing activities in the selected mode. Listed here are several.
  • Page 49: Surface Main, Alts

    OCi OPERATING MANUAL FREE & TECH FREE SURF MAIN, information includes (Fig. 114A/B/C): > Surface Interval (min:sec up to 59:59, then hr:min) with SURF icon. > Graphic FREE or TECH FREE. > Graphic TIMERS - OFF, or - Graphic RUN TMR with elapsed Run Time (up to 9:59 min:sec), or - Graphic CDT with Countdown Time remaining (min:sec).
  • Page 50: Select Timer

    OCi OPERATING MANUAL SELECT TIMER, information includes (Fig. 118): This function allows a Countdown Timer (CDT) or Run Timer (RUN) to be added to the Surface and Dive Main screens. > Graphics SEL (select) and TIMER.. > Graphics OFF, CDT, and RUN with the Arrow ( > ) icon next to the one previously saved fl ashing.
  • Page 51 OCi OPERATING MANUAL Dives are numbered 1 to 99. Numbering starts at #1 each new calendar day beginning after midnight, or when Reset (by A+S while viewing the SURF Main). In the event that a dive’s EDT exceeds 9:59 (min:sec), the data at the 9:59 interval will be recorded for the Log and History upon surfacing of the unit.
  • Page 52 OCi OPERATING MANUAL DAY HISTORY DATA 1, information is to include (Fig. 123): > Graphic HiSt. > Graphic DIVES = with the total number of dives conducted during that calendar day, or session of the day if reset. > Graphic EDT = with the total accumulated Elapsed Dive Time for that day starting at 0:00:01 up to 23:59:59 (hr:min:sec) with graphics H M S (meaning Hours, Minutes, Seconds).
  • Page 53: Set Audible Alarm

    OCi OPERATING MANUAL FULL HISTORY DATA 2, information is to include (Fig. 128): > Max Depth with FT (or M) and MAX icons. > Graphics DEEPEST EVER,indicating that the information displayed is for the deepest Max Depth ever recorded and the Elapsed Dive Time is associated with that Max Depth.
  • Page 54: Set Srt (Surface Recovery Time) Alarm

    OCi OPERATING MANUAL SET SRT (SURFACE RECOVERY TIME) ALARM, information includes (Fig. 134): > Surface Interval (recovery) Time (min:sec) with SURF icon. > Graphics RECOV TIME ALARM and SRT. > Graphics OFF, ON, and SET; last saved (OFF or ON) fl ashing upon access.
  • Page 55: Set Dd (Descending Depth) Alarms - Free

    OCi OPERATING MANUAL DD ALARMS (FREE Mode only) There are 3 Descending Depth alarms (DD1 - DD3) that can be set only at progressively deeper depths. DD2 values must be set deeper than DD1 and DD3 values must be set deeper than DD2.
  • Page 56: Set Utilities Menu

    OCi OPERATING MANUAL SET UTILITIES MENU - FREE & TECH FREE MODES FREE Menu selections >> Water Type* >> Wet Activation* >> Units* >> Glo Duration* >> DSD* >> BDSI*. TECH FREE Menu selections >> Water Type* >> Wet Activation* >> Units* >> Glo Duration* >> Auto Glo >> Sampling Rate >>...
  • Page 57: Set Sampling Rate - Tech

    • S (< 2 sec) - to save the setting and fl ash the graphic SET allowing ON to be selected/saved. ----------------------------------------------------------------------------------------------------------- SELECT OP (OPERATING) MODE , same as NORM/GAUG - refer to page 26. OCi ID (SERIAL NUMBER), same as NORM/GAUG - refer to page 27. --------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------- Upon descent to the DSD (Dive Start Depth) set for 5 seconds, operation will enter Dive Mode.
  • Page 58: Free & Tech Free Dive Main, Alts

    OCi OPERATING MANUAL FREE & TECH FREE DIVE MODES Prior to the fi rst dive of a new series, if Wet Activation is set Off, the unit will not activate FREE or TECH FREE Dive mode during operation in any Watch mode. It must be in FREE or TECH FREE mode prior to activating Dive mode.
  • Page 59: Free & Tech Free Dive Alarms

    OCi OPERATING MANUAL FREE & TECH FREE DIVE ALARMS When Alarms sound, the LED will fl ash. Also, the Backlight will come On (if Off) for 10 seconds, and a fl ashing icon or message will be displayed as an indication that an event is occurring and as a reminder to view the display to identify the event.
  • Page 60 The mathematical models currently used in the OCi are based on no decompression/decompression multilevel repetitive dive schedules. These algorithms do not take into account the physiological changes associated with the high pressures that competitive type Free diving can expose a diver to.
  • Page 61: Compass Mode

    OCi OPERATING MANUAL COMPASS MODE © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 62: Compass Icons

    OCi OPERATING MANUAL COMPASS ICONS Diver’s Direction of Travel Turn Left Turn Right North OP Mode Tilt Heading Degrees Reference OP Mode dynamic North or Ref Heading set COMPASS MODE SURFACE rotate (level) REF MENU Surface Set Ref Lock COMP >...
  • Page 63: Compass Menu

    OCi OPERATING MANUAL OVERVIEW > S (2 sec) - to access the Compass OP (operating) Main from the Watch, Surface, or Dive Main. > S (2 sec) or no button action (2 min*) - to revert to the Watch, Surface, or Dive Main.
  • Page 64: Reference Menu

    OCi OPERATING MANUAL REFERENCE MENU, information includes (Fig. 164): > Graphic SEL, with selections >> > SET HEADING - To access Set Reference Heading.. > REVERSE - To access Reverse Heading (to change the Reference Heading set by 180° ).
  • Page 65: Declination

    Fig. 173 - DEPTH ALARM WARNING You must become thoroughly familiar with setup and operation of the OCi Digital Compass before using it as your primary device for navigation. Failure to do so could result in serious errors relating to activities involving navigation.
  • Page 66: Reference

    CAUTION: When the procedure provided in this section is used to change the Battery, you must be sure that the case o-ring is not pinched and that the OCi is water tight before conducting diving activities. Pre dive pressure testing by an Authorized Oceanic facility is highly recommended.
  • Page 67: Pc Interface

    A USB Driver is provided on the Oceanic CD which must be installed on your PC prior to use of the Interface System. The OCi is confi gured with a Data Port located on the side (Fig. 174a) that enables it to be connected to a PC USB port using the special Interface Cable.
  • Page 68: Care And Cleaning

    Instrument Lens Protector. Small scratches will naturally disappear underwater. • Soak and rinse the OCi in fresh water at the end of each day of diving, and check to ensure that the areas around the Low Pressure (Depth) Sensor (Fig. 177a), PC Interface Data Port (Fig. 177b), and Buttons are free of debris or obstructions.
  • Page 69: Altitude Sensing And Adjustment

    > No adjustments are made during any time that the Wet Contacts are bridged. When diving in high altitude waters from 3,001 to 14,000 feet (916 to 4,270 meters), the OCi automatically adjusts to these conditions providing corrected Depth, and reduced No Deco and O2 Times at intervals of 1,000 feet (305 meters).
  • Page 70: Technical Data

    OCi OPERATING MANUAL TECHNICAL DATA © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 71: Z+ Algorithm Ndl Chart

    OCi OPERATING MANUAL Z+ ALGORITHM >> NDLS (HR:MIN) AT ALTITUDE (IMPERIAL) Altitude 3001 4001 5001 6001 7001 8001 9001 10001 11001 12001 13001 (feet) 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 Depth ( FT )
  • Page 72: Specifications

    OCi OPERATING MANUAL SPECIFICATIONS CAN BE USED AS • Watch • Dive Computer (Air or Nitrox) • Digital Depth Gauge/Timer • Free Dive activity • Compass DIVE COMPUTER PERFORMANCE • Buhlmann ZHL-16c based PZ+, or DSAT based, algorithm • No Deco limits closely follow PADI RDP •...
  • Page 73 1 second WARNING: If your OCi 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.
  • Page 74: Inspection/Service Record

    ___________________________________________________________________________________________________ OCi Firmware Rev: ___________________________________________________________________________________________________ Transmitter: ___________________________________________________________________________________________________ Date of Purchase: ___________________________________________________________________________________________________ Purchased from: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ Below to be fi lled in by an Authorized Oceanic Dealer: Date Service Performed Dealer/Technician NOTES © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)
  • Page 75: Oceanic Worldwide

    OCi OPERATING MANUAL OCEANIC WORLD WIDE OCEANIC USA 2002 Davis Street San Leandro, CA 94577 Tel: 510/562-0500 Fax: 510/569-5404 Web: www.OceanicWorldwide.com E-mail: hello@oceanicusa.com OCEANIC EUROPE Augsburg, Germany Tel: +49 (0) 821 810342 0 Fax: +49 (0) 821 810342 29 Web: www.oceanic-eu.com E-mail: offi...
  • Page 76 OCi OPERATING MANUAL DIVE COMPUTER OPERATING MANUAL © 2002 Design, 2013 Doc. No. 12-5335-r02 (9/12/13)

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