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IQ-750-V01 - 12-2980-01

1. O Owner s Manual TUSA QUALITY DIVE COMPUTER LIMITED TWO YEAR WARRANTY For details refer to the Product Warranty Registration Card provided COPYRIGHT NOTICE This manual is copyrighted all rights are reserved It may not in whole or in part be copied photocopied repro duced translated or reduced to any electronic medium or machine readable form without prior consent in writing from Tabata USA Inc and Tabata Corp Ltd 2002 Design Element ll Owner s Manual Doc No 12 2980 2002 Design 2009 San Leandro CA USA 94577 TRADEMARK NOTICE TUSA the TUSA logo Element Il and the Element II logo are all registered and unregistered trademarks of Tabata USA and Tabata Corp Lid 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 Ascent Rate Indicator U S Patent no 5 156 055 CE The CE mark is used to mark conformity with the European Union EMC directive 89 336 EEC TUSA dive instruments fulfill the required EU directives EN 13319 Diving accessories Depth gauges and combined depth and time measuring devices Functional and safety requirements test methods is a European diving depth gauge standard The Element Il is designed to comply with this standard DECOMPRESSION MODEL The program within the Element II simulates the absorption of ni
2. INSPECTIONS AND SERVI MODULE REMOVAL FROM BATTERY REPLACEMENT RETURNING MODULE TO BO ALTITUDE SENSING AND ADJUSTMENT CHARTS OF NO DECOMPRESSION LIMITS AT ALTITUDE CHART OF OXYGEN EXPOSURE LIMITS SPECIFICATIONS TUSA INTERNATIONAL INSPECTION SERVICE RECORD OVERVIEW 2008 2 6688 FULL LCD Components a b c gt A c Icon Log Mode NiBG Nitrogen Bar Graph Icon operating mode Surface Interval Plan NDC Time No Deco Time Remaining Deco Total Ascent Time O2BG O2 Bar Graph Icon Stop Time Required Elapsed Dive Time Select S Button lcon Time of Day Icon Depth Max Depth ASC Ascent Rate Indicator Advance A Button con Descend Arrow con Stop Bar con Ascend Arrow con Dive Mode M Button Icon Gas mix Icon Low Battery Icon Max Depth lcon Degrees INTRODUCTION Welcome to TUSA and thank you for choosing the Element II It is extremely important that you read this Owner s Manual in sequence and understand it completely before attempting to use the Element Il as a dive computer Remember that technology is no substitute for common sense and a dive computer only provides the person using it with data not the knowledge to use it CONTROL BUTTONS The Element Il features three Control Buttons that allow you to select mode options and access specific information They are also
3. Switching Gas cannot be performed while on the surface gt Every dive begins with Gas 1 and 10 minutes after surfacing from a multiple gas dive operation defaults to the Gas 1 FO2 Access to Gas Switching screens can only be accomplished during the time that a NORM Dive Main screen is being displayed and cannot be performed during the time that an Alarm is sounding NOTE If a Switch to a new Gas mix would expose the diver to a prohibitive PO2 level of 1 60 ATA or greater the Audible Alarm will sound and the graphics DO NOt CHNG GAS will flash on the dis play Fig 70 until the Audible is silenced Due to the possibility that sufficient air may not be available in the Switch From tank to complete the dive the Switch to the prohibitive Mix is still allowed gt If the Switch is made to the prohibitive Mix the High PO2 Alarm will activate gt If in Deco the graphic PO2 will flash in place of TAT until PO2 decreases below 1 60 then TAT will be restored Switching of Gas Mixes can only to be performed during the Fig 70 DO NOT CHANGE GAS ALARM time that a Gas Switch Preview screen is being displayed 74 To access the Preview screens while viewing a NORM Dive Main screen Depress the M button for 2 seconds to view the Gas 1 Preview screen Press and release the M button momentarily 2 sec while the Gas 1 Preview screens is displayed to view the Gas 2 Preview screen Depress the M bu
4. 7 5 gt 9 Deeper than 60 18 M segments FPM 0 0 20 1 21 50 2 51 60 3 all gt 60 NORM GAUG displays Dives 1 to 24 FREE displays 1 to 99 0 if no dive made yet Resets to Dive 1 upon diving after 24 hours with no dives MPM 0 6 6 5 15 15 5 18 gt 18 SPECIFICATIONS CONTINUED 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 older 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 3 001 feet 916 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 Power Battery 1 3 vdc CR2450 Lithium battery 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 at 2 75 volts Battery change recommended Alarm icon on flashing at 2 50 volts change the Battery Dive Computer Mode Activation Manual push button recommended required if Wet Activation is set OFF Automatic by immersio
5. 7001 to 8000 2 02 1 05 0 44 0 30 0 20 0 15 0 11 0 09 0 07 0 06 0 05 0 05 0 04 0 04 0 04 0 03 0 03 8001 to 9000 1 57 1 02 0 42 0 28 0 19 0 14 0 10 0 08 0 07 0 06 0 05 0 05 0 04 0 04 0 03 0 03 0 03 9001 to 10000 10001 to 11000 1 47 0 57 0 37 0 24 0 17 0 12 0 09 0 07 0 06 0 05 0 05 0 04 0 04 0 04 0 03 0 03 0 03 11001 to 12000 1 39 0 55 0 35 0 23 0 16 0 11 0 09 0 07 0 06 0 05 0 05 0 04 0 04 0 03 0 03 0 03 0 03 12001 to 13000 1 34 0 53 0 34 0 22 0 16 0 11 0 08 0 07 0 06 0 05 0 04 0 04 0 04 0 03 0 03 0 03 0 03 13001 to 14000 1 29 0 51 0 33 0 21 0 14 0 10 0 08 107 108 Altitude meters Depth M 915 3 37 1 55 1 08 0 50 0 36 0 27 0 20 0 16 0 13 0 10 0 09 0 08 0 06 0 06 0 05 0 05 0 05 PELAGIC 2 ALGORITHM gt gt NDLS HR MIN AT ALTITUDE METRIC 916 1221 1526 1831 2136 2441 2746 3051 3356 to to to to to to to to to 1220 1525 1830 2135 2440 2745 3050 3355 3660 2 41 2 31 2 23 2 16 2 10 2 04 1 59 1 54 1 50 1 27 1 21 1 15 1 12 1 08 1 05 1 03 1 00 0 58 0 55 0 53 0 51 0 49 0 47 0 44 0 42 0 39 0 37 0 39 0 37 0 35 0 33 0 32 0 30 0 28 0 26 0 24 0 28 0 26 0 24 0 23 0 21 0 20 0 19 0 18 0 17 0 20 0 19 0 18 0 17 0 16 0 15 0 14 0 13 0 12 0 16 0 15 0 13 0 12 0 11 0 11 0 10 0 09 0 09 0 12 0 11 0 10 0 09 0 09 0 09 0 08 0 08 0 07 0 09 0 09 0 08 0 08 0 07 0 07 0 07 0 07 0 0
6. Set PO2 Alarm SET U GROUP UTILITIES Set Wet Activation Set Units of Measure Set Deep Stop Set Safety Stop Set Conservative Factor Set Backlight Duration Set Sampling Rate SET T GROUP TIME DATE Set Date Format Set Time Format Set Time 240 E gp ce AMANI diseased 40 SERIAL lic S 42 NORM PLAN MODE FLY MODE DESAT MODE NORM GAUG LOG MODE HISTORY MODE CONTENTS continued NORM DIVE MODES NO DECO DIVE TIME REMAINING NDC OXYGEN ACCUMULATION ASCENT RATE INDICATOR ASC NORM NO DECO DIVE MODE No Deco Deep Stop No Deco Safety Stop CAUTIONARY MODES DECOMPRESSION CONDITIONAL VIOLATION DELAYED VIOLATION 1 DELAYED VIOLATION 2 DELAYED VIOLATION 3 VIOLATION GAUGE MODE HIGH PO2 HIGH O2 SWITCHING GAS MIES incae A E ARS EA E AAEE ETI 73 NORM POST DIVE MODES FIRST 10 MINUTES ON SURFACE AFTER 10 MINUTES ON SURFACE UPLOADING SETTINGS AND DOWNLOADING DATA GAUGE OPERATING MODE DIGITAL GAUGE MODE CONTENTS continued FREE DIVE OPERATING MODE FREE COUNTDOWN TIMER FREE ELAPSED DIVE TIME EDT AL FREE DEPTH ALARMS DAs FREE DIVE MAIN AND ALTS FREE DIVE ALARMS GENERAL CARE AND CLEANING
7. Set Point 12 or 24 flashing Pressing and releasing the S button momentarily 2 sec will toggle the Set Point between 12 and 24 Pressing and releasing the A button momentarily 2 sec will save the setting and access Set Time Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set T screen Fig 34 SET DATE FORMAT M Month D Day Fig 35 SET HOUR FORMAT 39 Fig 36 SET TIME Fig 37 SET DATE Year 40 Set Time information includes Fig 36 gt Graphic SET gt Time hr min Set Point Hour digits flashing with Time clock and AM or PM icons if 12 Hour Format Depressing the Set Points at a S button will scroll upward through the Hour rate of 8 per second until it is released Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily 2 sec will save the Hour setting the Minute digits will flash Depressing the S button will scroll upward through the Minute Set Points at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Set Points one at a time Pressing and re easing the button momentarily 2 sec will save the Time setting and access Set Date Set Date informati
8. will save the Date setting and revert to the Set T screen Year will not be displayed in any mode other than Set Date Fig 38B SET DATE Month 41 SERIAL NUMBER information includes Fig 39 Depressing the A and S buttons simultaneously for 10 seconds while viewing the NORM or GAUG Surface Main screen will access the Serial Number screen V Graphic SN Factory programmed Serial Number Firmware revision number e g graphic r1A or higher Fig 39 SERIAL NUMBER e 39 M Depressing the A and S buttons simultaneously for 2 with Firmware Revision seconds will revert to the Surface Main screen Depressing 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 Surface Main screen NOTE The Serial Number and Firmware Revi sion will be requested in the event that you contact TUSA regarding the Element Il Enter them in the Records section provided in the back LT 2 of this manual Settings revert to the last ones entered saved when 24 hours elapse without dive or after a dive NORM PLAN MODE TUSA strongly recommends that you review the Plan Mode dive times 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 Plan Mode indicates adjusted dive times that are available for t
9. 50 will add segments to represent oxygen accumulation for that dive or 24 hour period whichever amount is greater If O2 reaches 100 of the allowed limit 300 OTU the graphic O2 will replace NDC High O2 is described later ASCENT RATE INDICATOR ASC The ASC shows how fast you are ascending When you exceed the maximum recommended Ascent Rate for the depth you are at see chart on page 17 all segments of the ASC will flash Fig 51 and the graphic SLO will flash Fig 51a replacing NDC time or GAU graphic The flashing will stop and NDC time or GAU graphic restored when the audible is silenced or your Ascent Rate is slowed below the alarm value The Ascent Rate alarm is based upon 2 sets of speeds which change at a reference depth of 60 FT 18 A WARNING At depths greater than 60 FT 18 M Ascent Rates should not exceed 60 FPM 18 MPM At depths of 60 18 M and shallower Rates should not exceed 30 FPM 9 MPM Fig 50 O2BG Fig 51 ASC 55 NORM DECOMPRESSION DIVE MODE When the Wet Activation feature is set ON the Element II will enter the NORM No Decompression Dive Mode any time you descend to 5 FT 1 5 for 5 seconds even if not yet activated When the Wet Activation feature is set OFF the Element II will not enter Dive Mode upon descent unless it is activated first NORM No Deco Main information includes Fig 52 gt NiBG O2BG ASC if applicable DTR hr min with
10. Tabata Taiwan Co Ltd 54 8 Hsutsogang Nankang Vil Tayuan Hsiang Tao Yuan Hsien Taiwan R O C Tel 886 0 3 386 5100 Fax 886 0 3 386 5103 info mail tabata com tw 114 Tabata Europe Corporation B V Den Brielstraat 2 B 1055 RV Amsterdam The Netherlands Tel 31 0 20 68 15 955 Fax 31 0 20 68 24 527 www tusa nl info tusa nl Tabata Co Ltd Japan 1 3 17 Higashikomagata Sumida ku Tokyo Japan 130 0005 Tel 81 0 3 3624 2816 Fax 81 0 3 3623 9902 www tusa net info tabata co jp INSPECTION SERVICE RECORD Serial Number Firmware Revision Date of Purchase Purchased from Below to be filled in by the Authorized TUSA Dealer Service Performed Dealer Technician TUSA QUALITY Worldwide Contacts Tabata USA Inc www tusa com Tabata Australia Party Ltd www tusa com au Tabata Europe Corporation B V www tusa nl Tabata Mfg Co Ltd www tusa net Tabata Co Ltd Japan www tusa net 2002 Design 2009 All rights reserved Doc No 12 2980 01 7 15 09
11. gt FREE Surface Main SURF ALT Altitude Temp Time Plan 30 to 190 FT 9 to 57 M NORM only Time to Fly NORM GAUG Time to Desaturate NORM only Dive Log History NORM GAUG Set 2 Alarms Utilities Time NORM GAUG NORM GAUG SET MODES Set F Group FO2 items FO2 GAS1 Air 21 to 50 FO2 GA Air 21 to 100 FO2 Default On Off Set A Group Alarms Audible LED Warning On Off Max Depth 30 to 330 FT 10 to 100 M Elapsed Dive Time 10 to 3 00 hr min NiBG 1 to 5 segments Dive Time Remaining 00 to 20 min PO2 1 20 to 1 60 ATA Set U Group Utilities Wet Activation On Off Units of Measure Imperial Metric No Deco Deep Stop On Off No Deco Safety Stop On Off Conservative Factor On Off Backlight Duration 0 5 10 seconds Sampling Rate 2 15 30 60 seconds Set T Group Time Date Date Format Month Day Day Month Time Format 12 24 Hour Time hr min Date Year Month Day Serial Number Factory set 109 SPECIFICATIONS CONTINUED NUMERIC DISPLAYS Range Resolution Dive Number 0 to 24 1 Current Depth 0 to 399 FT 120 M 1 FT 141 M Maximum Depth 399 FT 120 M 1 FT 1 1 M Gas 1 FO2 Set Point Air 21 to 50 96 196 Gas 2 FO Set Point Air 21 to 100 96 196 PO2 Value 0 00 to 5 00 ATA 01 ATA Dive Time Remaining 0 00 to 9 59 hr min 1 minute No Deco Deep Stop Time 2 00 to 0 00 min sec 1 s
12. ATA gt When PO2 reaches the Alarm Set Point the Audible Alarm will sound again The Up Arrow icon will flash on the Main screen until PO2 decreases to 0 2 ATA below the alarm Set Point gt If High PO2 gt 1 60 occurs while in Deco the graphic PO2 will be displayed in place of TAT until PO2 decrease below 1 60 The Up Arrow will not indicate ascent Fig 67 HIGH PO2 MAIN during audible 70 HIGH O2 The O2BG Fig 68a represents oxygen accumulated as a result of the repetitive Nitrox dives you have conducted during that operating period The O2BG lets you monitor how close you are coming to the limits of oxygen exposure If the theoretical amount of oxygen accumulated reaches the limit for a single exposure or 24 hour period 300 OTU 100 the graphic O2 replaces NDC time and the full O2BG and Up Arrow icon will be displayed flashing Fig 69 Fig 68 NITROX DIVE The Audible Alarm will sound When the audible is silenced the O2 graphic becomes solid until O2 decreases below 100 Press release the S button to acknowledge the alarm Press release the A button to view the ALT screens Depress the M button for 2 seconds to access the Gas Switch routine Depress the S button for 2 seconds to activate the Backlight Upon surfacing operation will lock in NORM mode until the O2BG recedes to 4 segments Access to GAUG and FREE modes will be blocked Fig 69 HIGH O2 71 A WARNI
13. Data 2 Pressing and releasing the A button momentarily 2 sec will revert to the NORM or GAUG Surface Main screen Depressing 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 Surface Main screen Pressing the button will activate the Backlight Log Data 2 only if Nitrox information includes Fig 46 gt Log book icon gt Graphic FO2 at top with FO2 Set for Gas 1 for that dive at bottom gt O2BG segments representing O2 accumulated at the end of the dive gt Max PO2 achieved ATA with MAX icon and graphic PO2 gt Tank 1 icon representing Gas mis 1 Pressing and releasing the S button momentarily lt 2 sec will access the previous dive s Log Preview screen Pressing and releasing the A button momentarily 2 sec will revert to the NORM or GAUG Surface Main screen Depressing the M button for 2 seconds or if no button 15 pressed during a 2 minute period operation will revert to the NORM or GAUG Surface Main screen Pressing the L button will activate the Backlight Fig 46 LOG DATA 2 49 50 Fig 47 HISTORY 1 Fig 48 HISTORY 2 HISTORY MODE History Mode displays information for NORM and or GAUG Dives Information is retained indefinitely Battery removal will not affect the History data stored for viewing History Mode can be accessed by pressing and releasing the A button mo
14. Depth exceeds 80 FT 24 Deep Stop Preview screen Fig 55 can be accessed that will display the graphic DS meaning Deep Stop and a recom mended Stop Depth calculated to be 1 2 the Max Depth and a Stop Time of 02 00 2 minutes with DS and STOP icons It will revert to the Main after 5 seconds The intent of this screen is to suggest that a Stop should be made as indicated to help reduce tissue nitrogen loading prior to final ascent The Preview screen will not be available for viewing once you ascend above the Stop Depth NOTE The Deep Stop is not required and al though recommended it does not have to be taken There is no penalty if the Stop is ignored and ascent or other activity is continued Upon ascending to within FT 3 M below the calculated Stop Depth the DS Main screen Fig 56 will appear displaying the calculated Stop Depth with FT or DS and STOP icons and the Timer that counts down from 02 00 to 0 00 min sec with clock icon Also displayed will be NDC hr min with wave clock profile mode icon Tank icon Gas 1 or 2 current Depth with FT or icon and applicable bar graphs Press and release the A button 2 seconds to access the ALT 1 screen Fig 57A that displays Elapsed Dive Time press it again to view the ALT 2 screen Fig 57B that displays Temperature Time and Max Depth then if a Nitrox dive press it again to view ALT 3 that displays FO2 and PO2 Fig 57C When the
15. Depth with FT or M and MAX icons The display will revert to the MAIN screen after 5 seconds or if the A button is pressed Depress the S button for 2 seconds to activate the Backlight Fig 79 GAUG f you descend deeper than 330 FT 99 9 a cautionary mode referred to as Delayed Violation 3 will be activated DV3 Main information includes Fig 80 gt Graphic GAU gt EDT hr min with wave clock icon Up Arrow icon flashing gt Current Depth as dashes flashing with FT or icon ASC if ascending V Press and release the S button momentarily lt 2 sec to acknowledge silence Alarms Press and release the A button momentarily 2 sec to access the screen same as Fig 79 with Max Depth as 3 dashes Depress the S button for 2 seconds to activate the Backlight Fig 80 GAUG DV3 MAIN 84 FREE DIVE OPERATING MODE 85 FREE DIVE MODE When Free Dive Mode is selected as the operating mode the Element Il will operate with select features Nitrogen loading is calculated based on a default FO2 of Air and the amount remaining during 24 hours is carried over between FREE and NORM modes To access Free Dive Operating mode while viewing the Gauge Surface Main screen no Gauge dive was made press the M button 1 time for 2 seconds The graphic FRE will flash indicating that it can be selected as the operating mode To select it press and release the M butt
16. Elapsed Dive Time Fig 10a b the colon is solid non blinking FREE Dive Mode displays Times in minute second format Date is only displayed in Log Mode Temperature Temperature can be viewed by accessing an Alternate Display while on the surface and during dives Fig 11 Altitude When above the sea level range which extends up to 3 000 feet 915 meters elevation Altitude can be viewed on Surface Alternate screens as EL Elevation Level from 2 up to 7 Fig 11b EL2 3 001 to 5 000 feet 916 to 1 525 meters EL3 5 001 to 7 000 feet 1 526 to 2 135 meters EL4 7 001 to 9 000 feet 2 136 to 2 745 meters EL5 9 001 to 11 000 feet 2 746 to 3 355 meters EL6 11 001 to 13 000 feet 3 356 to 3 965 meters EL7 13 001 to 14 000 feet 3 966 to 4 270 meters Fig 10 TIMES DIVE Fig 11 ELEV amp TEMP 19 WARNINGS AND SAFETY RECOMMENDATIONS It should not be considered that the capabilities built into the Element Il provide an implied approval or consent from TUSA for individuals to exceed the defined limits for recreational diving as agreed on by all internationally recognized training agencies The oxygen features of the Element Il are intended for use by recreational divers trained for Nitrox diving by an instructor certified by a recognized training agency to teach diving with Nitrox Conducting repetitive dives using enriched nitrogen oxygen mixtures can lead to oxygen buildup reducing ox
17. FLY Time to Fly information includes Fig 42 gt Graphic FLY gt Countdown Time hr min with clock icon NORM pressing and releasing the A button momentarily lt 2 sec will access the Desat Time screen GAUG pressing and releasing the A button will revert to the GAUG Surface Main screen Fig 42 TIME TO FLY 45 Depressing 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 Surface Main screen Pressing the L button will activate the Backlight DESAT MODE NORM only 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 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 Dsat screen remains in the sequence of accessible NORM screens displaying 0 00 until the Fly counter turns the unit Off 24 hours after a last dive gt The SAT screen is not displayed after a Violation Dive Desaturation requiring Times greater than 24 hours will display 23 gt In the event that Time to Desaturate still remains at the end of 24 hours the added time will be zeroed Desat Time information includes Fig 43 gt Graphic SAT gt Countdown Time hr min with clock ic
18. FREE Dive NiBG 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 fol lowed by a 5 second steady beep that will not turn off when acknowledged Ascending above a required Decompression Stop Depth for more than 5 minutes referred to as a Delayed Violation e Decompression requires a Stop Depth of 70 FT 21 M or deeper Being on the Surface for 5 minutes after a Conditional Violation Permanent Violation BACKLIGHT gt To activate the Backlight while on the surface and during dives gt gt depress the S button for 2 seconds The Backlight will illuminate the display for button depression time plus the Duration time set O 5 10 seconds The Backlight will turn Off if the button is held depressed for more than 10 seconds Press the button again to activate as desired NOTE Extensive use of the Backlight reduces estimated Battery life Also the Backlight does not operate during a Low Battery Condition or when the Element Il is connected to a PC 12 POWER SUPPLY The Element Il uses 1 3 volt CR2450 Lithium Battery which should maintain operation for 1 year or 300 dive hours if 2 dives are conducted during each dive period The Element Il checks battery voltage every 2 minutes while on
19. Free Surface ALT 2 screen The display will revert to the Main after 5 seconds if the A button is not pressed Depress the S button for 2 seconds to activate the Backlight Free Surface ALT 2 information includes Fig 83 Altitude graphic EL2 to EL7 if above 3000 feet 915 meters blank if below Temperature with degrees icon and graphic F or C gt Time of Day with clock and AM or icons Fig 83 FREE SURF ALT 2 87 gt The display will revert to the Main after 5 seconds or if the A button is pressed released Depress the S button for 2 seconds to activate the Backlight FREE MODE COUNTDOWN TIMER CDT After accessing the Free CDT Status screen from the Free Surface Main screen the CDT can be started stopped and set Displayed are the graphics CDT and ON if running with Countdown Time hr min remain ing or OFF flashing and the previously Countdown Time set or OFF solid and 0 00 if no time was previously set 84 Fig 84 CDT STATUS Off not set 88 Pressing and releasing the S button momentarily 2 sec will toggle between ON and OFF A toggle to ON will Start the CDT if a Time has been set Depressing the A and S buttons simultaneously for 2 seconds will access Set Free CDT Pressing and releasing the S button momentarily 2 sec will revert to the Free Surface Main screen If the M button is pressed for 2 seconds or if no button is pressed during a period o
20. NDC wave clock profile icon EDT hr min with Elapsed Dive Time wave clock icon Tank icon representing the Gas selected 1 or 2 Current Depth with FT or M icon Press release the A button lt 2 sec to view ALT 1 Depress the A button for 2 seconds to access the Deep Stop Preview screen if activated Press release the S button lt 2 sec to acknowledge alarms Depress the M button for 2 seconds to access the Gas Switch Routine Depress the S button for 2 seconds to activate the Backlight Fig 52 NO DECO MAIN 56 NORM No Deco 1 information includes Fig 53 Temperature with degrees icon and graphic F or C gt Time of Day hr min with AM or PM and clock icons gt Max Depth with MAX and FT M icons Press release the A button to access ALT 2 Operation will revert to the Main after 5 seconds if A is not pressed NORM No Deco ALT 2 information includes Fig 54 Fig 53 NO DECO ALT 1 Graphic FO2 gt PO2 ATA with graphic PO2 Tank icon representing the Gas selected 1 or 2 FO2 set for the Gas selected 1 or 2 V Operation will revert to the Main Display after 5 seconds or if the A button is pressed released NOTE ALT screens cannot be accessed during the time when an Alarm is sounding Fig 54 NO DECO ALT 2 57 Fig 55 DS PREVIEW 58 aD Fi ig Fig 56 DS MAIN No Deco Deep Stop On any No Deco dive in which
21. Upon access the Se on includes Fig 37 t Date screen displays the graphic YMD meaning Date is arranged as Year Month Day or YDM mean ing Date is arranged as Year Day Month with the Year Set Point flashing Fig 13 Depressing the S button while the Year digits are flashing will scroll upward through the Set Points at a rate of 8 per second from 2009 to 2052 with leap year corrections Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Year Set Points one at a time Pressing and releasing the A button momentarily 2 sec will save the Year setting and the Month digits will flash regardless of their location on the display Fig 38A B Depressing the S button will scroll upward through the Fig 38A SET DATE Month Month Set Points at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Month Set Points one at a time Pressing and releasing the A button momentarily 2 sec will save the Month setting and the Day digits will flash regardless of their location on the display Depressing the S button will scroll upward through the Day Set Points at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Day Set Points one at a time Pressing and releasing the A button momentarily 2 sec
22. countdown reaches 0 00 the No Deco Main will be displayed and the Deep Stop feature will be disabled for the remainder of that dive In the event that you descend 10 FT 3 M below or ascend 10 FT 3 M above the Stop Depth for more than 10 seconds during the countdown the No Deco Main will be displayed and the Deep Stop feature will be disabled for the remainder of that dive If you return to within the FT 3 M range during the 10 seconds the Deep Stop Main will reappear with the countdown still in progress The Deep Stop feature will be disabled and it s screens not displayed for the remainder of that dive if you enter Deco or High O2 80 or descend deeper than 190 FT 63 M During High PO2 gt Alarm Set Point the DS screen informa tion will be replaced with High PO2 information Fig 57A DS ALT 1 Fig 57C DS ALT 3 59 No Deco Safety Stop Fig 58 Upon ascending to 20 FT 6 M on any No Deco dive in which Depth exceeded 30 FT 9 a Safety Stop screen will appear displaying a recommended Stop at 15 FT 4 5 M with a Count down Timer that counts down from 03 00 to 0 00 The Safety Stop will be displayed until the countdown times out or you descend below 30 FT 9 M during the countdown or you surface during the countdown like the Deep Stop there is no Penalty for surfacing prior to completing the Safety Stop There is no Preview screen associated with the S
23. existing Settings and for entering Time Alarm and other settings into the Element Il The Download portion is used to retrieve Data that was sampled during dives and stored in the Element II s memory The Element Il checks for an External Access request once every second while in Surface Mode Checks are not made if the unit is wet For a connection to be made the Interface Cable is clipped onto the Element II 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 a PC screen appears on the Element Il displaying the graphic PC and a countdown for 2 minutes or until completion of the interface operation Then operation reverts to the Surface Main screen FEATURES AND DISPLAYS 16 Fig 6 NiBG BAR GRAPHS The Element II features Bar Graphs gt gt O2BG and ASC NiBG Nitrogen Loading Bar Graph The NiBG Fig 6a represents tissue loading of nitrogen show ing your relative no decompression or decompression status As your depth and elapsed dive time increase segments will add to the NiBG and as you ascend to shallower depths the segments will recede indicating that additional no decompression time is allowed for multilevel diving The NiBG monitors 12 different nitrogen compartments simulta neously and displays the one that is in control of your dive It is divided into a No Decompression normal zone a Caution zone also No D
24. for 2 seconds to activate the Backlight Fig 63 DV2 MAIN 66 DELAYED VIOLATION 3 DV3 If you descend deeper than the MOD Max Operating Depth of 330 FT 99 9 the Up Arrow icon will flash and the Current Depth will only display dashes flashing signifying that you are Out of Range Max Depth on the ALT screen will only indicate 3 dashes Upon ascending above 330 FT 99 9 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 DV3 Main information includes Fig 94 gt O2BG ASC if applicable gt DTR as 0 00 hr min with wave clock profile icon gt EDT hr min with wave clock icon gt Tank icon representing the Gas selected 1 or 2 gt Up Arrow icon flashing gt Current Depth as 3 dashes flashing with FT or icon Press release the A button lt 2 sec to view displays which are similar to those previously described for the No Deco Press release the S button lt 2 sec to acknowledge alarms Depress the S button for 2 seconds to activate the Backlight Fig 64 DV3 MAIN 67 VIOLATION GAUGE MODE VGM If calculations require a Deco Stop Depth greater than 70 FT 21 or if Deco is entered while operating in FREE Mode described later operation will enter Violation Gauge Mode VGM
25. icon if low battery condition V VV VM Depressing the A button for 2 seconds will access the NORM SURF screen for 5 seconds Pressing and releasing the A button 2 sec will access Log Mode then pressing it again will access History Mode Depress the S button for 2 seconds to activate the Backlight Depressing both the A and S buttons simultaneously for 2 seconds will access the Set Menu Depressing the M for 2 seconds will access the GAUG Surface Main screen then another 2 second press will access the FREE Surface Main screen Fig 66 VGM MAIN on surface 69 2 When partial pressure of oxygen PO2 becomes equal to or greater than 0 2 ATA less than the PO2 Alarm value set the Audible will sound Note that while in Deco High PO2 will only alarm at 1 60 Press release the S button to acknowledge the alarm The graphic PO2 and Up Arrow icon will be displayed flashing on the Main screen Fig 67 until the audible is silenced then the graphic PO2 will alternate with NDC time until PO2 decreases to 0 2 below the alarm Set Point The value of PO2 can be viewed on the AIT 2 screen Press release the A button to view the ALT screens Depress the M button for 2 seconds to access the Gas Switch routine Depress the S button for 2 seconds to activate the Backlight gt If PO2 continues to increase the value displayed on the screen will increase in increments of 01
26. in the Boot and dip the bottom edge into it while pressing the top edge with the palm of your hand Stop pressing when the bottom edge of the Module has just entered the Boot Correct the alignment of the Module as needed so that it is straight Press the Module completely into place with your thumbs watching the alignment until it snaps into place 105 ALTITUDE SENSING AND ADJUSTMENT Prior to the first dive of a series of repetitive dives Altitude i e Ambient Pressure is measured upon activation and every 15 minutes until a dive is made While it is operating in Surface mode after a dive measurements are taken every 15 minutes during the 24 hour period after surfacing Measurements are only taken when the unit is dry Two readings are taken the second reading 5 seconds after the first The readings must be within 1 foot 30 cm of each other to record that ambient pressure as the current Altitude The mathematical model in the Element Il accounts for the reduced No Deco Dive Times available based on National Oceanic and Atmospheric Administration NOAA guide lines When diving in high altitude waters from 3 001 to 14 000 feet 916 to 4 270 meters the Element automatically adjusts to these conditions providing corrected Depth reduced No Deco Dive Times and reduced Oxygen Accumulation Times Altitude intervals of 1 000 feet 305 meters No adjustments are made during any time that the Wet Contacts are
27. is set before the dive FO2 for Gas 1 continues to reset to the FO2 50 Default after subsequent repetitive dives until 24 hours elapse after the last dive or the FO2 5076 Default is turned Off When the 2 5096 Default is set Off the FO2 for Gas 1 will remain at the last Set Point for the remainder of that series of repetitive dives The default FO2 for Gas 1 each new dive period is Air When 2 for Gas 1 is set for AIR the calculations are the same as when it is set to an FO2 of 21 When 2 for Gas 1 is set to Air it remains set for Air until it is set for a numerical FO2 value 21 to 5096 When is set only to Air the O2BG and PO2 values and or warnings will not be displayed during the dive MODs affected by the PO2 limit set will not be displayed when FO2 for Gas 1 is set to Air The Element Il keeps track of O2 so that if FO2 for Gas 1 is subsequently set for a numerical value the O2 accumulated during previous Air dives will be accounted for in the next Nitrox dive during that dive period and series of repetitive dives Once FO2 Gas 1 is set for a numerical value 21 to 5090 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 in Set FO2 Gas 1 until a full 24 hour Surface Interval has elapsed 25 If FO2 for Gas 1 is for 21 it will remain set for 21 for that series of dives until set for a higher numerical value If the FO2
28. on display until further button action occurs Depressing 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 Surface Main screen Pressing the L button will activate the Backlight 47 Log Preview information includes Fig 44 gt log book icon Graphic NOR or GAU Dive Mode wave clock profile icon if NORM Date month day or day month the dive was conducted Time of Day the dive began hr min with clock icon and AM or PM icon if set for 12 Hour Format icon and dive number 1 to 24 for that series V VV M Fig 44 LOG PREVIEW Pressing and releasing the S button momentarily 2 sec will access that dive s Log Data 1 screen Log Data 1 information includes Fig 45 NiBG with the max segment flashing others fixed up to end of dive accumulation All flashing if Violation gt log book icon gt Pre dive Surface Interval time hr min with clock wave icon 10 through 23 for times greater than 9 hours and 59 minutes if no previous dive that period gt Temperature minimum recorded that dive with degrees icon and graphic F or C gt Elapsed Dive Time hr min with wave clock icon gt Max Depth with MAX and FT or M icons gt ASC representing max Ascent Rate recorded for 4 seconds Fig 45 LOG DATA 1 48 Pressing and releasing the S button momentarily lt 2 sec will access Log
29. revert to the Set U screen Depressing 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 Surface Main screen NOTE When the Conservative Factor is set ON the No Deco Limit times are reduced to values equivalent to those that would be available at the next higher 3000 foot 915 meter Altitude Set Backlight Duration information includes Fig 31 gt Graphics BL and dur meaning Backlight Duration gt Set Point seconds value flashing with clock icon and graphic SEC meaning Seconds Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points of O 5 and 10 seconds Pressing and releasing the A button momentarily 2 sec will save the setting and access Set Sampling Rate Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Fig 31 SET BACKLIGHT DURATION 37 Set Sampling Rate information includes Fig 32 Graphic SR meaning Sampling Rate Set Point seconds value flashing with clock icon and graphic SEC meaning Seconds Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward thr
30. second gt The scroll will stop when the button is released or momentarily at 32 even if the button is held depressed Depressing the S button will resume the scroll from 32 through 5096 then stop at Air or 2196 Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily 2 sec will save the setting and access Set FO2 Gas 2 Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the SET screen Depressing 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 Surface Main screen Fig 15A SET FO2 GAS 1 Air setting Fig 15B SET FO2 GAS 1 32 Nitrox setting 27 Fig 16A SET FO2 GAS 2 e 50 Nitrox setting Fig 16B SET FO2 GAS 2 100 Nitrox setting 28 Set FO2 Gas 2 information includes Fig 16A B gt Graphic FO2 gt Max Depth allowed for the PO2 Alarm set with MAX and FT or M icons and graphic PO2 blank if Air gt Tank 2 icon representing Gas mix 2 gt FO2 Set Point flashing Depressing the S button will scroll upward through the Set Points in 1 increments at a rate of 8 per second The scroll will start at the FO2 Gas 1 Set Point and stop when the button is released or momentarily at 50 then 80 even if the button
31. the surface If voltage of the Element II decreases to the Warning level 2 75 volts the Battery icon will appear on Surface display screens Fig 3a as an indication that the Battery should be changed prior to commencing a series of dives Fig 3 f voltage decreases to the Alarm level 2 50 volts the Battery icon and graphic BAT will flash for 5 seconds then the unit will shut Off Low Battery conditions are not displayed during dives If a Low Battery condition was not displayed prior to starting a Dive and a Low Battery Condition occurs during the dive there will be sufficient Battery power remaining to maintain operation for the remainder of that dive Upon surfacing the Low Battery icon will be displayed If voltage was at the Alarm level 2 50 volts the graphics CHG and BAT will alternate for 5 seconds Fig 4a followed by shut down of the unit until the Battery is changed Fig 4 LOW BATTERY ALARM during dive 13 Fig 5 PC during upload download 14 PC INTERFACE Interface with a PC for data Upload and Download is accom plished by connecting the Element Il to a PC USB Port using the USB Interface Cable avaiable as an optional accessory The PC Interface program together with a USB Driver is downloadable from tusa com The Help portion serves as the user manual and can be printed for personal use The Settings Upload portion is used to check the Element II s
32. upon ascent to 4 FT 1 2 M for 1 second The Surface Interval Time colon will flash during the first 10 minutes after a NORM GAUG dive or first 1 minute after a FREE dive During the first 2 hours after a dive the SURF MAIN screen NORM GAUG or FREE remains on display 22 NORM SURF MAIN information includes Fig 12 gt gt gt Surface Interval Time hr min with clock wave icon Graphic Nor Tank 1 icon representing Gas 1 which is the default start Gas and default Gas 10 minutes after a dive Number of that dive 0 if no dive has been made yet with icon Battery icon if a Low Battery Condition exists NiBG if any after a NORM or FREE dive O2BG if any after a NORM Nitrox dive Fig 12 SURFACE MAIN after dive 2 Depressing the A button for 2 seconds will access the NORM SURF screen for 5 seconds Pressing and releasing the A button 2 sec will access Log Mode then pressing it again will access History Mode Pressing and releasing the S button 2 sec will access Plan Mode then pressing it again after dives will access the Time to Fly screen then again the Dsat Time screen Depressing the S button for 2 seconds will activate the Backlight Depressing both the A and S buttons simultaneously for 2 seconds will access the Set Menu Depressing the M button for 2 seconds will access the GAUG Surface Main screen then another 2 second press will access the FREE Surface Main screen 23 N
33. used to enter Settings activate the Backlight and acknowledge the Audible Alarm Throughout this manual they will be referred to as the M A and S buttons Front Left Mode M button Front Right Advance A button Right Side Select S button Fig 2 FREE MODE 10 OPERATING MODES The Element II features 3 Operating Modes NORM Fig which is used for Air and Nitrox SCUBA dives GAUG Fig 1B used for SCUBA dives in which Nitrogen Oxygen calculations are not performed and FREE Fig 2 used for activities that do not use SCUBA gt NORM Mode allows access to Fly Desat Log and History Modes as well as entering settings GAUG Mode is similar without access to Desat Mode FREE Mode only allows access to specific Free Modes AUDIBLE ALARM Most warning situations that activate the Audible Alarm while operating in NORM or GAUG Mode cause the Element Il to emit 1 per second for 10 seconds or until the situation is corrected or it is acknowledged by momentarily 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 its own set of Alarms which emit 3 short beeps either 1 or 3 times which cannot be acknowledged or set Off Situations that will activate the NORM GAUG 10 second Alarm includ
34. wet At an elevation of 3 001 feet 916 meters Depth Calibration automatically changes from feet of seawater to feet of fresh water This is the first adjustment to the Algorithm 106 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 NDLs listed in the tables for the 5 001 to 6 000 foot 1 526 to 1 830 meter range The Element Il will not function as a Dive Computer above 14 000 feet 4 270 meters Altitude feet Depth FT 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 0 3000 3 17 1 49 1 05 0 48 0 35 0 26 0 19 0 16 0 12 0 10 0 08 0 07 0 06 0 06 0 05 0 05 0 04 PELAGIC Z ALGORITHM gt gt NDLS AT ALTITUDE IMPERIAL 3001 to 4000 2 30 1 21 0 53 0 37 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 4001 to 5000 2 21 1 15 0 51 0 35 0 24 0 18 0 14 0 10 0 08 0 07 0 06 0 05 0 05 0 05 0 04 0 04 0 04 5001 to 6000 2 14 1 11 0 49 0 33 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 6001 to 7000 2 08 1 08 0 47 0 32 0 21 0 16 0 12
35. 32 Set NiBG Alarm information includes Fig 22 Graphic NBG meaning Nitrogen Bar Graph NiBG Set Point segments flashing with NI icon Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step through the Set Points from 1 to all 5 segments Deco one at a time Pressing and releasing the A button momentarily 2 sec will save the setting and access Set DTR Alarm Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set A screen Depressing 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 Surface Main screen FREE Mode has a separate NiBG Alarm Set DTR Alarm information includes Fig 23 Set Point value hr min flashing with wave clock profile icons Depressing the S button will scroll upward through the Set Points from 0 00 to 0 20 min in 1 minute 0 01 increments at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily 2 sec will save the setting and access Set PO2 Alarm Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set A screen Depressing he M button for 2 seconds or if no button is pressed for a period of 2 minutes operation w
36. 50 Default is set Off FO2 for Gas 2 will remain at it s Set Point previously selected until it is changed If the FO2 5076 Default is set On FO2 for Gas 2 will Default to 5076 after the dive The Element Il is programmed to prevent FO2 for Gas 2 from being set at values lower than the FO2 Set Point for Gas 1 Gas 2 can only be set to values equal to or higher than the FO2 Set Points of Gas 1 When setting FO2 for Gas 2 the lowest value available will be the FO2 Set Point of Gas 1 If FO2 Gas 1 is set for 3276 FO2 Gas 2 can only be set at values from 32 to 10076 FREE Dive Mode nitrogen calculations are only based on AIR and not affected by these FO2 Settings SET F GROUP FO2 Set gt gt FO2 Gas 1 gt gt FO2 Gas 2 gt gt FO2 50 Default gt Depressing the and S buttons simultaneously for 2 seconds while the NORM or GAUG Surface Main screen is displayed will access the Set screen Fig 14 Pressing and releasing the A button momentarily 2 sec while SET F is displayed will access Set FO2 Gas 1 Fig 14 SET F FO2 26 Set FO2 Gas 1 information includes Fig 15A B Graphic FO2 Max Depth allowed for the PO2 Alarm set with MAX and FT or icons and graphic PO2 blank if Air gt Tank 1 icon representing Gas mix 1 gt FO2 Set Point flashing Depressing the S button will scroll upward through the Set Points from Air to 21 through 50 in 1 increments at a rate of 8 Set Points per
37. 6 1 21 50 6 5 15 2 51 60 15 5318 3 gt 60 gt 18 60 18 M amp Shallower AscentRate Displayed FPM MPM 0 0 10 0 3 1 11 25 3575 2 26 30 8 9 3 gt 30 gt 9 Fig 7 O2BG amp ASC 17 Fig 8 DIVE MAIN Fig 9 DIVE ALTERNATE 18 ALPHA NUMERIC DISPLAYS Each numeric and graphic display represents a unique piece of information It is imperative that you understand the formats ranges and values of the information represented to avoid any possible mis understanding that could result in error Depth Current Depth is displayed on the Main Dive screens Fig 8a with the FT or M icon from to 330 FT 99 9 in NORM FREE 399 FT 120 in GAUG in increments of 1 FT 1 MJ Stop Depths Deep Safety and Deco are also displayed on the Main screens Fig 8b when applicable Max Depth is displayed on Alternate screens Fig 9a with the MAX and FT or icons from to 330 FT 99 9 in NORM FREE 399 FT 120 in GAUG in increments of 1 FT 1 MJ Time and Date Most Time displays like Time of Day Fig 9b are shown in hour minute format i e 9 46 represents 9 hours and 46 min utes not 946 minutes The colon that separates hr min min sec blinks once per second when the display is indicating real time e g Time of Day Elapsed Dive Time When Times are calculated projections such as NDC and
38. 6 0 08 0 07 0 07 0 07 0 06 0 06 0 06 0 05 0 05 0 07 0 06 0 06 0 06 0 06 0 05 0 05 0 05 0 05 0 06 0 06 0 05 0 05 0 05 0 05 0 05 0 04 0 04 0 05 0 05 0 05 0 05 0 04 0 04 0 04 0 04 0 04 0 05 0 05 0 04 0 04 0 04 0 04 0 04 0 04 0 03 0 04 0 04 0 04 0 04 0 04 0 04 0 03 0 03 0 03 0 04 0 04 0 04 0 04 0 03 0 03 0 03 0 03 0 03 0 04 0 04 0 03 0 03 0 03 0 03 0 03 0 03 0 03 to 1 43 0 55 0 36 0 23 0 16 0 11 0 09 0 07 0 06 0 05 0 05 0 04 0 04 0 03 0 03 0 03 0 03 3661 3966 to 3965 4270 OXYGEN EXPOSURE LIMITS from NOAA Diving Manual Max Duration Max Total Duration PO2 Single Exposure 24 Hour Day ATA min min 0 60 720 120 720 120 0 70 570 9 5 570 9 5 0 80 450 7 5 450 7 5 0 90 360 6 0 360 60 1 00 300 50 300 5 0 1 10 240 4 0 270 45 1 20 210 3 5 240 40 1 30 180 3 0 210 3 5 1 40 150 2 5 180 3 0 1 50 120 20 180 3 0 1 60 AS 75 150 2 0 SPECIFICATIONS CAN BE USED AS Air Computer Nitrox Computer Digital Depth Gauge Timer Free Dive Depth Gauge Timer DIVE COMPUTER PERFORMANCE Buhlmann ZHL 16c based Pelagic 2 algorithm No Deco limits closely follow PADI RDP Decompression in agreement with Buhlmann ZHL 16c and French MN90 Deco Deep Stops Morroni Bennett Deco Stops not recommended Blatteau Gerth Gutvik Altitude Buhlmann IANTD RDP Cross Altitude corrections and O2 limits based on NOAA tables SURFACE SEQUENCE MODES NORM gt GAUG
39. AL 102 e If itis necessary to clean the Battery Compartment flush it and all components with a solution of 50 white vinegar and 5096 fresh water Rinse with fresh water and allow to dry overnight or blow dry with a hair dryer set at no heat WARNING If damage or corrosion is found return your Element Il to an Authorized TUSA Dealer and DO NOT attempt to use it until it has received factory prescribed service Battery Installation Slide a new 3 volt type CR2450 Lithium Battery negative side down into the Battery Cavity Slide it in from the right side and ensure that it slides under the contact clip on the left rim of the cavity Fig 103 Orient the Retaining Bar across the lower portion of the Battery and carefully push it down into position Fig 104 Battery Hatch and Hatch Retaining Ring Installation Replace the Hatch O ring with a new one which must be genuine TUSA part lightly lubricate the new Hatch O ring with silicone grease and place it on the inner rim of the Battery Hatch Fig 105 Ensure that it is evenly seated Slide the Hatch Retaining Ring top portion first small opening onto your thumb Fig 103 INSERTING BATTERY Fig 104 INSERTING RETAINING BAR lt lt Fig 105 O RING ON RIM OF HATCH 103 Carefully place the Battery Hatch with O ring into position on the rim of the Battery Compartment then press it evenly and completely down into place with you
40. It s important don t forget it You should make every effort to complete all of your ascents with the Nitrogen Bar Graph inside the normal No Decompression zone If you inadvertently entered Decompression you should not complete your ascent until the Nitrogen Bar Graph is at least inside the No Decompres sion Caution Zone While you cannot provide a guarantee against the occurrence of decom pression sickness you may choose your own personal zone of caution based upon your individual age physique excessive weight training experience etc to reduce the statistical risk By not pushing the limits you can establish and adjust your personal level of conservatism and margin of safety 98 GENERAL 99 Fig 100 BACK OF CASE 100 CARE AND CLEANING Protect your Element Il from shock excessive temperatures chemical attack and tampering Protect the lens against scratches with a transparent Instrument Lens Protector Small scratches will naturally disappear underwater Soak and rinse the Element Il 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 100a and button are free of debris or obstructions dissolve salt crystals use lukewarm water or a 5096 white vinegar 50 fresh water bath After removal from the bath place the unit under gently running water and towel dry before storing Transport your unit cool dry and pr
41. NGS AND SAFETY RECOMMENDATIONS The percentage of oxygen FO2 in the Nitrox mix being used must be set before each nitrox dive unless the FO2 50 Default feature is set OFF a user setting Plan Mode provides predicted times for subsequent dives Depending on cylinder size breathing gas consumption and oxygen accumulation you may have less time available than indicated because of breathing gas quantity or other limitations Until it has shut itself off you must not use the Element Il at a different Altitude than the Altitude at which it was activated Doing so will result in an error equal to the difference in barometric pressure and possibly a false dive mode with erroneous data To provide proper Altitude compensation the Element Il must be manually activated at the new altitude Dive computers such as the Element Il cannot sense changes in barometric pressure if activated by immersion in water at higher Altitudes Use the Caution Zone of the Nitrogen Bar Graph as a visual reference to provide a greater margin of protection between you and the No Decompression Limits Every effort should be made to keep each of the Bar Graphs in the normal zone throughout your dives to reduce your risk of exposure to decompression sickness oxygen toxicity and the effects of excessive ascent rates 72 SWITCHING GAS MIXES 73 SWITCHING GAS MIXES NORM only During NORM Dives the FO2 calculations displays can be switched from Gas 1 to 2
42. ORM SURF ALT information includes Fig 13 Altitude graphic EL2 to EL7 if above 3000 feet 915 meters elevation blank if below gt Temperature with degrees icon and graphic Time of Day hr min with Time clock and AM or PM icons After 5 seconds or pressing releasing the A button lt 2 sec will revert to the NORM Surface Main screen Flg 19 NORM SURF ALT Depressing the S button will activate the Backlight NORM GAUGE SET MODES SURF MAIN gt gt SET F gt gt SET A gt gt SET U gt gt SET T gt gt SN Access and step through of the sequence is gained by repeated simultaneous 2 second presses of the A and S buttons Alarm Set A Utility Set U and Time Set T Set Points can also be set changed using the PC Interface program FO2 Set entries must be made using the push buttons While operating in the set menus the Backlight will not operate when the S button is pressed to change settings 24 SETTING FO2 FOR DIVES For each value of FO2 the MOD Max Operating Depth that can be achieved for the PO2 Alarm limit previously set will be displayed When the 2 5096 Default is set On and FO2 Gas 1 is set for a numerical value 10 minutes on the surface after that dive the FO2 for Gas 1 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 the FO2 for Gas 1
43. afety Stop Safety Stop Main display information includes NDC hr min with wave clock profile mode icon Stop Depth 15 FT or 4 5 STOP icon Countdown Timer min sec with clock icon Tank icon Gas 1 or 2 Current Depth with FT or M icon and applicable bar graphs Press and release the A button to access the ALT displays which are similar to those previously described for the Deep Stop page 59 Fig 58 SAFETY STOP MAIN 60 CAUTIONARY MODES 61 DECOMPRESSION Decompression mode activates when theoretical No Decompression time and depth limits are exceeded Upon Entry into Decompression the Audible Alarm will sound until acknowledged or for 10 seconds While the audible is sounding the UP Arrow icon Stop Bar icon and full NiBG will flash to alert you Deco Entry information includes Fig 59 Full NiBG flashing until the audible is silenced O2BG and ASC if applicable gt TAT hr min with Deco mode icon wave clock profile stop bar stop bar flashing until the audible is silenced gt Stop Depth required with FT or and STOP icons gt Stop Time hr min required clock icon gt Tank icon representing the Gas selected 1 or 2 gt Current Depth with FT or icon The UP Arrow icon will flash until you ascend to within 10 FT 3 below the Stop Depth indicated then it will be blank Press release the S button to acknowledge silence the Audible Alarm Depress the S butto
44. arily lt 2 sec while SET A is displayed will access Set Audible Alarm SET AUDIBLE ALARM This option allows the Audible Alarm to be disabled Due to their importance some cautionary situations will cause the Audible alarm to sound even if this feature is set to OFF Fig 17 SET FO2 DEFAULT Fig 18 SET A Alarms 29 Fig 19 SET AUDIBLE AL Fig 20 SET DEPTH AL 30 Set Audible Alarm information includes Fig 19 V Graphic AUD Set Point graphic ON or OFF flashing Pressing and releasing the S button momentarily lt 2 sec will toggle between ON and OFF Pressing and releasing the A button momentarily lt 2 sec will save the setting and access Set Depth Alarm Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set A screen Depressing 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 Surface Main screen Set Depth Alarm information includes Fig 20 Graphic DEP Set Point value flashing with MAX and FT or M icons Depressing the S button will scroll upward through the Set Points from 30 to 330 FT 10 to 100 in 1 increments at a rate of 8 per second until it is released Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A butto
45. based upon the previous dive profiles in a series of repetitive dives and taking into ac count descent and ascent rates of 60 FPM 18 NOTE When the Conservative Factor is set ON No Deco Dive times are reduced to the values of the next 3 000 foot 915 meter higher Altitude Plan Depth Time information includes Fig 41A B NiBG or O2BG 4 segments indicating which Nitrogen or O2 is in control of calculations based on previous dives gt Dive Time hr min allowed for the Depth displayed with wave clock profile icon Max Depth allowed for the PO2 Alarm value set with MAX and FT or M icons and graphic PO2 gt Tank 1 icon indicating Gas mix 1 Plan Depth with FT or M icon Press and release the S button momentarily and repeatedly lt 2 sec each time to increase the Planned Depth in increments of 10 FT 3 displaying the information one screen at a time Depressing the M button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the NORM Surface Main screen 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 Pressing and releasing the A button momentarily 2 times lt 2 sec each time while viewing the NORM Surface Main screen or 1 time while viewing the GAUG Surface Main screen will access Fly Mode NORM SURF MAIN gt gt PLAN gt gt GAUG SURF MAIN gt gt
46. conds will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Fig 27 SET UNITS Fig 28 SET DEEP STOP 35 Fig 29 SET SAFETY STOP Set Safety Stop information includes Fig 29 Graphic SAF meaning Safety Stop Set Point ON or OFF flashing with STOP icon Pressing and releasing the S button momentarily 2 sec will toggle the Set Point between OFF and ON Pressing and releasing the A button momentarily 2 sec will save the setting and access Set Conservative Factor Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Set Conservative Factor information includes Fig 30 gt Fig 30 SET CONSERVA TIVE FACTOR 36 Graphic CF meaning Conservative Factor with wave clock profile icon Set Point ON or OFF flashing Pressing and releasing the S button momentarily lt 2 sec will toggle the Set Point between ON and OFF Pressing and releasing the A button momentarily lt 2 sec will save the setting and access Set Backlight Duration Depressing the A and S buttons simultaneously for 2 seconds will save the setting and
47. ds the Element II will enter Gauge Dive Mode Press and release the A button momentarily 2 sec to access Log then again to access History Fig 76 GAUG SURF MAIN 82 A Depress the A button for 2 seconds to the GAUG SURF screen Fig 77 Altitude Temperature Time of Day Depress the A and S buttons simultaneously for 2 seconds to access the Set menu F gt gt A gt gt UJ Press and release the S button momentarily lt 2 sec to access the Time to Fly screen if a dive was conducted Depress the S button for 2 seconds to activate the Backlight NOTE Once a dive is made in Digital Gauge Mode you must wait 24 contiguous hours after surfacing before the Element resets and will operate as an Air or Nitrox dive computer in NORM Mode or FREE Dive Mode Gauge Dive Main information includes Fig 78 gt gt gt gt e Graphic GAU Elapsed Dive Time hr min with wave clock icons Depth with FT or M icon ASC when ascending Press and release the A button momentarily lt 2 sec to access the ALT screen Press and release the S button momentarily lt 2 sec to acknowledge silence Alarms Depress the S button for 2 seconds to activate the Backlight Fig 77 GAUG SURF ALT Fig 78 GAUG DIVE MAIN 83 Gauge Dive ALT information includes Fig 79 gt Temperature with degrees icon and graphic C gt Time of Day hr min with clock and AM PM icons Max
48. e 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 of 1 60 ATA or the Set Point selected High O2 of 300 OTU single or daily exposure Nitrogen Bar Graph at the segment Set Point selected NORM GAUG Ascent Rate exceeds 60 FPM 18 MPM when deeper than 60 FT 18 or 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 required Delayed Violation the Maximum Operating Depth of 330 FT 100 M in NORM 399 FT 120 M in GAUG is exceeded A Gas Switch would expose the diver to PO2 greater than 1 60 ATA A single short beep which cannot be disabled is emitted for the following Upon completion of a 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 FPM 7 5 to 9 MPM at 60 FT 18 and shallower FREE Dive Elapsed Dive Time Alarm 3 beeps every 30 seconds if set FREE Dive Depth Alarms 1 2 3 set sequentially deeper each 3 beeps 3 times
49. e Number of that dive with icon Battery icon if a Low Battery condition exists flashing if Too Low During Transition Period ALT displays and Log and History can be accessed Other modes e g Plan Fly Sat Set are accessible after 10 minutes on the surface Press and release the A button lt 2 sec to access the Log Preview screen for that dive Depress the A button for 2 seconds to access SURF Press the S button for 2 seconds to activate the Backlight Fig 73 NORM SURF MAIN during first 10 min 78 POST DIVE AFTER 10 MINUTES ON SURFACE Once 10 minutes have elapsed the Surface Interval time colon will stop flashing indicating that the Dive and Transition Period are completed and a subsequent descent will be considered a new dive You will then have full access to all NORM DC surface modes e g Plan Sat Log Hist Set etc Press and release the S button momentarily lt 2 sec to Fig 74 TIME TO FLY access Plan Mode gt Adjusted No Deco Limits will be displayed based on residual nitrogen and accumulated oxygen calculated to be remaining from the previous dives While viewing the first Plan screen press and release the A button momentarily 2 sec to access the Time to Fly screen Fig 74 then press it again to access Dsat Time screen Fig 75 The Desat counter provides calculated time for tissue desaturation at sea level gt Vi
50. eco and a Decompression danger zone 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 NOTE Displays associated with oxygen and the O2BG will only appear if FO2 has been set at a value other than Air e g a numerical value Oxygen Bar Graph 0286 The O2BG Fig 7a represents oxygen accumulation showing the maximum of either per dive accumulated oxygen or 24 hour period accumulated oxygen As your oxygen exposure accumulation increases during the dive segments will add to the O2BG and as saturation de creases it will begin to recede indicating that additional expo sure is allowed for that dive and 24 hour period Ascent Rate Indicator ASC The ASC Fig 7b provides a visual representation of ascent speed i e an ascent speedometer The segments of the ASC represent two sets of speeds which change at a reference Depth of 60 FT 18 M Refer to the chart for segment values A WARNING At depths greater than 60 FT 18 M ascent rates should not exceed 60 feet per minute 18 meters per minute At depths of 60 FT 18 M and shallower ascent rates should not exceed 30 feet per minute 9 meters per minute ASC values v Deeper than 60 FT 18M Segments Ascent Rate Displayed FPM MPM 0 0 20 0
51. econd No Deco Safety Stop Time 3 00 to 0 00 min sec 1 second Deco Stop Time 0 00 to 9 59 hr min 1 minute Deco Total Ascent Time 0 00 to 9 59 hr min 1 minute Norm Gaug Elapsed Dive Time 0 00 to 9 59 hr min 1 minute Free Elapsed Dive Time 0 00 to 59 59 min sec 1 second Surface Interval Time 0 00 to 23 59 hr min 1 minute Free Surface Interval Time 0 00 to 59 59 min sec 1 second 1 00 to 23 59 hr min 1 minute Dive Log Surface Interval 0 00 to 23 59 hr min 1 minute Time to Fly 23 50 to 0 00 hr min 1 minute starting 10 min after the dive Time to Desaturate 23 50 max to 0 00 hr min 1 minute starting 10 min after the dive Temperature 0 to 140 F 9 to 6092 12 Time of Day 0 00 to 23 59 hr min 1 minute Free Countdown Timer 59 59 to 0 00 min sec 1 second Out of Range gt 330 FT 99 9 M Violation Countdown Timer 23 50 to 0 00 hr min after surfacing 110 BAR GRAPHS Nitrogen Bar Graph No Deco Normal zone No Deco Caution zone Decom Warning zone Oxygen O2 Bar Graph Normal zone Caution zone Danger zone Ascent Rate Indicator Normal Zone Caution Zone Too Fast Zone flashing SPECIFICATIONS CONTINUED segments 3 1 1 segments 3 1 1 60 FT 18 M amp Shallower segments FPM 0 0 10 1 11 25 2 26 30 3 all gt 30 OPERATIONAL PERFORMANCE Function Depth Timers Dive Counter Accuracy 1 of full scale 1 second per day MPM 0 3 3 5
52. essing and releasing the A button momentarily 2 sec will save the setting and access Set Units Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Fig 26 SET WET ACTIVATION 34 Set Units information includes Fig 27 gt Set Point icons graphics and FT or C and M flashing Pressing and releasing the S button momentarily 2 sec will toggle between Imperial FT and Metric C Pressing and releasing the A button momentarily 2 sec will save the setting and access Set Deep Stop Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Set Deep Stop information includes Fig 28 gt gt Graphic DS meaning Deep Stop Set Point ON or OFF flashing with DS and STOP icons Pressing and releasing the S button momentarily lt 2 sec will toggle the Set Point between OFF and ON Pressing and releasing the A button momentarily lt 2 sec will save the setting and access Set Safety Stop Depressing the A and S buttons simultaneously for 2 se
53. f 2 minutes operation will revert to the Free Surface Main screen Depressing the S button for 2 seconds will activate the Backlight Once 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 the graphic CDT will be displayed and the Timer will revert to OFF When a set Countdown Time reaches 0 00 the Audible Alarm will sound during which the graphic CDT will flash Fig 85 Upon descending to 5 FT 1 5 M i e entry into Free Dive CDT DUUM mode CDT operation will continue if in progress Curing During a dive the can be turned OFF stopped and ON started but not Set Set Free CDT Upon access the Set CDT screen displays the graphics CDT and SEt and the CDT min sec with clock icon the Minute Set Point flashing Fig 86 Depressing the S button will scroll upward through the Minute Set Points in 1 minute increments at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Set Points one at a time Fig 86 SET CDT 89 Fig 87 SET ready to start Fig 88 FREE EDT ALARM during dives 90 Pressing and releasing the A button momentarily 2 sec will save the Minute Set Point and the Seconds digits will flash Dep
54. for the remainder of that dive and for 24 hours after surfacing VGM turns the Element Il into a digital instrument without any nitrogen or oxygen calculations or monitoring functions or displayed information until 24 contiguous hours elapse on the surface with no dives VGM Main information includes Fig 65 Full NiBG and full O2BG all segments flashing Graphic VIO flashing until the audible is silenced then solid gt EDT hr min with wave clock icon Tank icon representing the GAS selected 1 or 2 gt Current Depth with FT or icon Up Arrow icon flashing until on surface The Element Il will also enter VGM 5 minutes surfacing from a dive in which a Delayed Violation 1 2 or 3 occurred Once on the surface VGM does not allow access to the Set F Plan Fly and Dsat features screens The countdown timer that appears when you try to access Fly is only provided to inform you of the time remaining before normal operation can resume with full features and functions Fig 65 VGM MAIN 68 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 VGM on surface information includes Fig 66 Full NiBG and full O2BG all segments flashing Surface Interval Time hr min with wave clock icon Graphics Vio and Nor alternating each on 2 seconds Tank 1 icon representing Gas 1 Dive number with icon Battery
55. he next dive based on residual nitrogen or oxygen accumulation whichever is in control following the last dive and surface interval NOTE No Decompression Dive Times in Plan Mode are based on the FO2 setting for Gas 1 The FO2 setting for Gas 2 is not utilized for Plan calculations Plan Mode can only be accessed while viewing NORM SURF MAIN Pressing and releasing the S button momentarily 2 sec while viewing the NORM Surface Main screen is displayed will access the NORM Plan Lead in screen Plan Lead in information includes Fig 40 gt Graphic FO2 with wave clock profile icons gt PO2 Alarm Set Point and graphic PO2 if FO2 is set for Nitrox blank if set for Air gt Tank 1 icon indicating that FO2 is for Gas mix 1 gt FO2 Set Point for Gas 1 Air or 21 to 50 Fig 40 PLAN LEAD IN set for Nitrox 43 Fig 41A PLAN Nitrogen control Dashed Profile icon represents Plan Fig 41B PLAN O2 control 44 After dives press and release the A button momentarily 2 sec to access the Time to Fly screen then again to access the Desat screen Press and release the S button momentarily and repeatedly lt 2 sec each time to access the first Plan Depth Time screen and step upward through the sequence of screens The screens will sequence through Depths from 30 up to 190 FT 9 to 57 or the Max Depth that will allow theoretical No Deco Dive Time of at least 1 minute
56. ill revert to the NORM or GAUG Surface Main screen Set PO2 Alarm information includes Fig 24 gt gt Graphics PO2 and AtA Set Point value flashing with MAX icon AtA means Pressing and releasing S button momentarily and Atmospheres Absolute repeatedly lt 2 sec each time will step upward through the Set Points from 1 20 to 1 60 ATA in 10 increments Pressing and releasing the A button momentarily lt 2 sec will save the setting and revert to the Set A screen Depressing 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 Surface Main screen Fig 24 SET PO2 AL 33 SET GROUP UTILITIES SET U gt gt Wet Activation gt gt Units gt gt Deep Stop gt gt Safety Stop gt gt Conservative Factor gt gt Backlight Duration gt gt Sample Rate gt Depressing the and S buttons simultaneously for 6 seconds while the NORM GAUG Surface Main screen is displayed will access the Set U screen Fig 25 Pressing and releasing the A button momentarily 2 sec while Set U is displayed will access Set Wet Activation Fig 25 SET U Utilities Set Wet Activation information includes Fig 26 Graphics WET and ACt meaning Activation gt Set Point graphic ON or OFF flashing Pressing and releasing the S button momentarily 2 sec will toggle between ON and OFF Pr
57. in increments of 10 FT 1 at a rate of 8 Set Points per second until it is released Pressing and releasing the S button momentarily and repeatedly 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily 2 sec will accept the setting and access Set DA2 or or after setting DA3 operation will revert to the Free Surface Main screen Depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes operation will revert to the Free Surface Main screen Free Dive Main information includes Fig 92 gt NiBG if any Nitrogen remaining from NORM or FREE dives conducted within the previous 24 hours NDC Time min sec with wave clock profile icons Temperature with degrees icon and graphic F or C Elapsed Dive Time min sec with wave clock icons Current Depth with FT or M icon Press and release the A button momentarily lt 2 sec to access ALT 1 Free CDT Status Depress the S button for 2 seconds to activate the Backlight Free Dive ALT 1 CDT information includes Fig 93 gt gt Graphics CDT and ON or OFF flashing CD Time min sec with the colon flashing and clock icon if ON and a CD is in progress OFF and 0 00 with the colon flashing if it was running and no time remains If OFF the CD Time previously set will be displayed with the colon solid indicating that it is set and ready
58. ion Gauge Mode for 24 hours Entry into Deco Violation Upon entry into Deco 3 short beeps will sound 3 times the full NiBG and full O2BG will be displayed with all segments flash ing and the graphic VIO will be displayed flashing Fig 99 Upon surfacing the Up Arrow icon will be removed then after 10 minutes the NiBG and O2BG will be removed The graphic VIO will then alternate with FRE for 24 hours during which operation will lock into Violation Gauge Mode Access to to NORM or GAUG modes will be blocked ADDITIONAL INFORMATION PERTAINING TO FREE DIVE MODE Although breathing apparatus is not utilized for Free Dive activities 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 NDC Time are carried over from one operating mode to the other which permits the user to maintain awareness of nitrogen absorption and off gassing status The mathematical model currently used in the Element Il is based on decompression 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 WARNINGS Ensure that you know which Operating Mode is selected NORM GAUG or FREE prio
59. is pressed during a period of 2 minutes operation will revert to the Free Surface Main screen FREE DIVE DEPTH ALARMS DA Free Dive mode features 3 Depth Alarms DAs that can be Set at progressively deeper Depths and turned OFF ON gt If Alarm 1 is set OFF then Alarms 2 and 3 will be disabled gt If Alarm 2 is set OFF Alarm will be disabled When each alarm Depth set is reached during a dive 3 short beeps will sound 3 times and the graphic DA2 and Depth digits will flash Fig 90 Fig 89 SET EDT ALARM Fig 90 FREE DA ALARM DA 2 3 similar 91 Fig 91 SET FREE DA 1 92 Press and release the A button momentarily 2 sec while viewing the Set Free EDT Alarm screen to access Set Free DAI Depth Alarm 1 screen DA2 and are similar Set Free DAT information includes Fig 91 gt Graphic DAT gt Set Point OFF or ON flashing Depth Set Point digits flashing if ON is selected with MAX and FT or M icons Pressing and releasing the S button momentarily 2 sec will toggle the Set Point between OFF and ON Pressing and releasing the A button momentarily 2 sec will accept the ON OFF setting and if OFF is selected operation will revert to the Free Surface Main screen or if ON is selected the Depth digits will flash allowing them to be set Depressing and holding the S button will scroll upward through the Depth Set Points from 30 to 330 FT 10 to 100
60. is held depressed Depressing the S button will resume the scroll through 100 then stop at the Gas 1 setting Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily lt 2 sec will save the setting and access Set FO2 50 Default Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set F screen Depressing he 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 Surface Main screen Set FO2 50 Default information includes Fig 17 gt Graphics FO2 dFLt and 50 gt Set Point graphic OFF or flashing Pressing and releasing the S button momentarily 2 sec will toggle between OFF and ON Pressing and releasing the A button momentarily lt 2 sec will save the setting and revert to the Set F screen Depressing 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 Surface Main screen SET A GROUP Set A gt gt Audible gt gt Depth gt gt EDT gt gt NiBG gt gt DTR gt gt PO2 gt Depressing the A and S buttons simultaneously for 4 seconds while the NORM or GAUG Surface Main screen is displayed will access the Set A screen Fig 18 gt Pressing and releasing the A button moment
61. m underneath working it out slowly BATTERY REPLACEMENT 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 To prevent formation of moisture in the Battery Compartment it is recommended that the Battery be changed in an environment equivalent to the 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 101 Battery Hatch Removal locate the Battery Compartment on the back of the Module While applying steady inward pressure on the center of the Battery Hatch rotate the Hatch Retaining Ring 10 degrees clockwise using a flat blade screwdriver Fig 101 or a Battery Hatch Tool lift the Hatch Ring up and away from the Housing or turn the Module over to allow it to drop out into your hand Remove the Battery Hatch Fig 101 RING REMOVAL Battery Removal Remove the Retaining Bar located across the lower portion of the Battery Fig 102a Remove the Hatch O ring DO NOT use tools Using care not to damage the Battery Contacts Fig 102b c slide the Battery up and out of the Battery Compartment Inspection Closely check all of the sealing surfaces for any signs of damage that might impair proper sealing Inspect the Button Lens and Housing to ensure they are not cracked or damaged a Fig 102 HATCH REMOV
62. mentarily 2 times 2 sec each time while viewing the NORM or GAUG Surface Main History 1 information includes Fig 59 gt gt V Graphic HIS Total Elapsed Dive Time recorded up to 9999 with graphic Hour and clock icon Total number of all dives recorded up to 999 with icon Pressing and releasing the S button momentarily 2 seconds button will access the History 2 screen History 2 information includes Fig 60 gt gt gt gt Altitude graphic SEA EL 2 through EL 7 max level Temperature lowest recorded with icon and F or C Max EDT hr min for a single dive with wave clock icon Max Depth ever recorded with MAX and FT or M icons Pressing and releasing the A button momentarily 2 sec will revert to the NORM or GAUG Surface Main screen Depressing the M button for 2 seconds if no button is pressed during a 2 minute period operation will revert to the NORM or GAUG Surface Main screen Depressing the S button for 2 seconds will activate the Backlight NOTE FREE Dives are recorded in the viewable Log or History The data is stored in memory for subsequent download to the TUSA PC Interface program FREE Mode uses the NORM GAUG settings for Time Date Wet Activation Units Conservative Factor Backlight Duration 51 A WARNINGS Making decompression dives without the proper preparation and training will place
63. n for 2 seconds to activate the Backlight TAT represents Total Ascent Time which includes time required for all deco stops plus vertical ascent time to the surface Fig 59 DECO ENTRY 62 NOTE Upon entry into Deco the Deep Stop and Safety Stop features are disabled for the remainder of that dive even when the Deco obligation is complete and No Deco status is regained Managing Decompression Stops To fulfill your decompression obligation you should make a safe controlled Ascent to a depth slightly deeper than or equal to the Stop Depth indicated and decompress for the Time indicated 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 Deco Stop Main information includes Fig 60 Full NiBG solid O2BG if applicable TAT hr min with Deco mode icon Stop bar solid Stop Depth with FT or M Arrow and STOP icons Stop Time hr min with clock icon Tank icon Gas 1 or 2 Current Depth with FT or M icon V VV VM Press and release the A button lt 2 sec to view screens which are similar to those previously described for the Deep Stop Depress the M button for 2 seconds to access the Gas Switch Routine Depress the S button for 2 seconds to activate the Backlight Fig 60 DECO STOP MAIN 63 CONDITIONAL VIOLATION CV If you ascend shallower than the calculated Deco Stop Depth
64. n in water if set ON Cannot be manually activated deeper than 4 FT 1 2 M Cannot operate at elevations higher than 14 000 feet 4 270 meters 112 SPECIFICATIONS CONTINUED Operating Temperature Out of the water between 20 F and 140 6 and 60 water between 28 F and 95 F 2 and 35 C 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 between 14 F and 158 8 and 70 PC requirements IBM or compatible Personal Computer with Mouse USB Port CD drive and printer Intel Pentium 200 MHz or better microprocessor Microsoft Windows 98 Second Edition ME NT 2000 XP or Vista Super VGA card or compatible video graphics adaptor 256 color or greater with a minimum 800 X 600 pixel screen area of display settings 20MB of available hard drive storage 16MB of available RAM 113 TUSA INTERNATIONAL CONTACTS Tabata USA Inc 2380 Mira Mar Avenue Long Beach CA 90815 Tel 562 498 3708 Fax 562 498 0415 www tusa com info tusa com Tabata Australia PTY Ltd 4D James Ruse Business Park Northmeade NSW 2152 Australia Tel 61 0 2 9890 4555 Fax 61 0 2 9890 5222 www tusa com au info tabata com au
65. n momentarily 2 sec will save the setting and access Set EDT Alarm Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set A screen Depressing 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 Surface Main screen SET EDT ALARM information includes Fig 21 gt gt Graphic EDT meaning Elapsed Dive Time Set Point value hr min flashing with wave clock icons Depressing the S button will scroll upward through the Set Points from 0 10 to 3 00 hr min in 5 minute 05 increments at a rate of 8 per second Pressing and releasing the S button momentarily and repeatedly lt 2 sec each time will step upward through the Set Points one at a time Pressing and releasing the A button momentarily lt 2 sec will save the setting and access Set NiBG Alarm Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set A screen Depressing 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 Surface Main screen FREE Mode has separate Depth and EDT alarms Wave over Clock icon represents Elapsed Dive Time Fig 21 SET EDT AL 31 Fig 22 SET NIBG AL Wave over Clock over Profile icon represents Dive Time Remaining Fig 23 SET DTR AL
66. olation occurred during the dive the Desat screen will not be displayed Once 2 hours have elapsed after surfacing from a dive only the Fly and Sat screens will be displayed alternating counting down to 0 00 hr min then the unit will shut off Fig 75 DSAT TIME 79 UPLOADING SETTINGS AND DOWNLOADING DATA The Element Il 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 a special Interface Cable that is available as an optional accessory The USB Driver required for the Interface system is downloadable from tusa com The Settings Upload portion of the program provided can be used to set change the Set A group Alarms Set U group Utilities and Set T group Time Date using the same Inter face System The Set F group FO2 and FREE Mode Alarms must be entered using the Element II s button controls Information available for retrieval Download from the Element Il 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 underwater sampling rate dive profile Set Points NiBG 2 and Gas Switching events The Element Il checks for the presence of an interface device connection to the Data Port once every second while in Surface mode Checks are not made if the Wet Activation contacts are wet Upon sensing an interface connection
67. on Pressing and releasing the A button momentarily 2 sec will revert to the NORM Surface Main screen Fig 43 DESAT TIME 46 Depressing the M button for 2 seconds or if no button is pressed during a 2 minute period operation will revert to the NORM Surface Main screen Pressing the L button will activate the Backlight NORM GAUG LOG MODE Log Mode displays information from the latest 24 NORM and or GAUG dives sequentially in reverse order the most recent first Log information is retained until over written by another dive Battery removal will not affect the Log data stored for viewing After exceeding 24 dives data from the most recent dive completed will be recorded in the Log and the oldest dive s data deleted gt 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 Log Mode can be accessed by pressing and releasing the A button momentarily 2 sec while viewing the NORM or GAUG Surface Main screen The most recent dive s Log Preview screen will be displayed Pressing and releasing the A button momentarily 2 sec while viewing the Preview screen of the most recent dive will bypass Log Mode and access the History Mode Depressing the S button will then scroll back through the previous dives Preview screens at a rate of 8 per second until released log screens remain
68. on momentarily 2 sec The graphic becomes solid and Free mode is selected for the dives to be conducted NORM SURF gt gt GAUG SURF gt gt FREE SURF Free Surface Main information includes Fig 81 Graphic FRE Graphic tot with Total number of repetitive Free dives conducted in that series with icon below Surface Interval after the most recent dive min sec to 59 59 then hr min with clock wave icon above next to FRE Battery icon if a Low Battery condition exists TUSA tat 624 Press and release the A button momentarily 2 sec to access the Free Surface ALT 1 screen then again 2 Depress the A button for 2 seconds to access the FREE CDT Count Down Timer Status screen Fig 81 FREE SURF MAIN 86 Depress the and S buttons simultaneously for 2 seconds to access the Set Free EDT Elapsed Dive Time Alarm then Set Free Depth Alarms 1 2 3 Depress the S button for 2 seconds to activate the Backlight Free Surface ALT 1 information includes Fig 82 gt Surface Interval prior to the last dive conducted with clock wave icons Graphic LASt meaning most recent dive conducted gt Elapsed Dive Time of the last dive conducted with Fig 82 FREE SURF ALT 1 wave clock icons Max Depth of the last dive conducted with MAX and FT or icons Press and release the A button momentarily 2 sec to access the
69. otected INSPECTIONS AND SERVICE Your Element Il should be inspected annually by an Authorized TUSA Dealer who will perform a factory prescribed function check and inspection for damage or wear To keep the product s warranty in effect this inspection must be completed one year after purchase 30 days TUSA recommends that you continue to have this inspection performed every year to ensure it is working properly To Obtain Service Take your Element Il to an Authorized TUSA Dealer NOTE The procedures that follow must be closely adhered to Dam age due to improper battery replacement is not covered by the unit s warranty When the battery is removed settings and calculations for repetitive dives will be retained in non volatile memory for subsequent opera tions MODULE REMOVAL FROM BOOT If the Module is in a Console bend the rubber Console Boot back to expose the edge of the Module If the Boot is flexible enough to permit you may bend it back far enough to scoop the Module out with your finger Otherwise it may be necessary to insert a blunt screwdriver until the tip rests just underneath the Module DO NOT pry the Module from the Console Slowly increase the pressure under the Module by releasing the tension on the rubber Boot The Module will slide up the screwdriver and exit the Console If the Module is in a Wrist Boot it will be necessary to peel the lips of the Boot downward off the Module while applying pressure fro
70. ough the Set Points of 2 15 30 and 60 seconds Pressing and releasing the A button momentarily 2 sec will save the setting and revert to the Set U screen Depressing 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 Surface Main screen Fig 32 SET SAMPLING RATE SET T GROUP TIME SET T gt gt Date Format gt gt Hour Format gt gt Time gt gt Date gt Depressing the A and S buttons simultaneously for 8 seconds while the NORM or GAUG Surface Main screen is displayed will access the Set T screen Fig 33 gt Pressing and releasing the A button momentarily lt 2 sec while Set T is displayed will access Set Date Format Fig 33 SET T Time 38 Set Date Format information includes Fig 34 gt gt gt gt Set Point graphic D or D MJ flashing Graphic dAtE Pressing and releasing the S button momentarily 2 sec will toggle the Set Point between M D and D M Pressing and releasing the A button momentarily 2 sec will save the setting and access Set Hour Format Depressing the A and S buttons simultaneously for 2 seconds will save the setting and revert to the Set T screen M D means Month will be displayed to the left of Day D M means Day will be displayed to the left of Month Set Hour Format information includes Fig 35 gt gt Graphic HR meaning Hour Format
71. r same thumb Maintain the Battery Hatch securely in place and using your other hand slide the Retaining Ring down off your thumb and into position around the Battery Compartment The tabs on the Retaining Ring fit down into the two slots Fig 106 ENGAGING the located at the 2 and 8 o clock positions RETAINING RING TABS Using your fingers turn the Ring counter clockwise 5 degrees until the tabs engage Fig 106 then tighten it 5 more degrees by turning it counter clockwise using the Battery Hatch Tool Fig 107 While tightening the Retaining Ring exert continuous inward pressure on it until it is secured in the proper position small symbol located on the Ring should be aligned with the Locked symbol located on the Housing Fig 107a Inspection Activate the unit and watch carefully as it performs a full diagnostic and battery check and enters Surface Mode Observe the LCD display to ensure it is consistently clear and sharp in contrast throughout the screen a Fig 107 TIGHTENING the RETAINING RING 104 WARNING If there are any portions of the display missing or appearing dim or if a Low Battery condition is indicated return the Element Il to an Authorized TUSA Dealer for a complete evaluation before attempting to use it RETURNING THE MODULE TO BOOT If the Boot was fitted with a Spacer and it was previously removed replace the Spacer into the Boot Orient the Module over the opening
72. r 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 increases 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 97 RESPONSIBLE COMPUTER DIVING Plan each dive and dive your plan The Element Il was not designed to make decisions for you only to provide you with the information you need to make responsible decisions for yourself This begins with a dive Plan that will help you avoid a low air or decompression situation Do not plan any dive that exceeds your training or experience level Inspect your Element II before every dive If it shows any signs of damage or abnormal function DO NOT dive with it until it has received factory prescribed service Make a Safety Stop at 15 to 20 FT 4 5 to 6 M at the end of every dive
73. ressing the S button will scroll upward through the Seconds Set Points in 1 second increments at a rate of 8 per second Pressing and releasing the A button momentarily 2 sec will save the Seconds Set Point and revert to the CDT Status screen with the graphic OFF flashing in place of the graphic SEt Fig 87 Pressing and releasing the S button momentarily 2 sec will toggle from OFF to ON and Start the Timer Depressing the M button for 2 seconds or if no button is pressed during a period of 2 minutes operation will revert to the Free Surface Main screen FREE DIVE EDT ELAPSED DIVE TIME ALARM The Free EDT Alarm is factory set for 30 seconds When set ON the Alarm will sound 3 short beeps and the graphic EDT and Time digits will flash every 30 seconds Fig 88 Depress the A and S buttons simultaneously for 2 seconds while the Free Surface Main screen is displayed to access Set Free EDT Alarm 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 information includes Fig 89 Graphics EDT 30 with clock icon and SEC gt Set Point OFF or ON flashing Pressing and releasing the S button momentarily 2 sec will toggle the Set Point between OFF and ON Pressing the button momentarily 2 sec will accept the setting and access Set Free Depth Alarm 1 Depressing the M button for 2 seconds or if no button
74. rm 1 Set Point 3 short beeps will sound times during which the graphic will flash Fig 96 then NDC will be restored The audible and flashing graphic will be repeated when Depth reaches the DA 2 and DA 3 Set Points if set On If Ascent is made above a Free Depth Alarm Set Point and then a descent is made below it the respective Alarm DA will reset Fig 96 FREE DEPTH AL 1 and sound again DA2 amp DAS similar Free EDT Alarm When the Free EDT Alarm is set On 3 short beeps will sound during which the graphic EDT will flash Fig 97 then NDC will be restored The Free EDT Alarm is factory set to repeat every 30 seconds when it is set On prior to the dive Free NiBG Alarm While operating in Free Dive mode residual Nitrogen remaining from the Free Dives and any previous NORM SCUBA Dives conducted within 24 hours is displayed as the NiBG Fig 97 FREE EDT ALARM 95 Fig 98 FREE NiBG ALARM Fig 99 FREE DIVE DECO Violation 96 When Nitrogen loading increases to the Caution level 3 short beeps will sound 3 times and 4 NiBG No Deco segments the Up Arrow icon and the graphic NBG in place of NDC will be displayed flashing Fig 98 After the beeps the flashing will continue until the NiBG recedes to 3 segments at which time the NDC will be restored and the Up Arrow icon will be removed In the event that Nitrogen loading increases to the Deco level operation will enter Violat
75. the Audible Alarm will sound and no off gassing credit will be given until you descend below the Stop Depth If you descend below the required Ceiling before 5 minutes have elapsed operation will continue to function in Deco and off gassing credit will resume CV Main information includes Fig 61 Full NiBG solid O2BG if applicable TAT hr min with Deco mode icon stop bar flashing Stop Depth with FT or M icon and STOP icon flashing Stop Time hr min with clock icon Down Arrow icon flashing Tank icon Gas 1 or 2 Current Depth with FT or M icon V VV VV M Press and release the A button lt 2 sec to view screens which are similar to those previously described for the Deep Stop Depress the M button for 2 seconds to access the Gas Switch Routine Depress the S button for 2 seconds to activate the Backlight Fig 61 CV MAIN 64 NOTE Upon entry into the following Violation modes the Alarm will sound even if Set OFF When these events occur the Alarm cannot be acknowledged silenced by pressing the S button DELAYED VIOLATION 1 DV1 If you remain above the required Deco Ceiling Depth for more than 5 minutes the full NiBG will flash until you descend below the required Stop Depth This is a continuation of a Conditional Violation DV1 Main information includes Fig 62 Full NiBG flashing O2BG if applicable TAT hr min with Deco mode icon stop bar flashing Stop Depth
76. the requesting device connects to the Element Il and is prepared for Upload of settings or Download of data which are then initiated using the PC program Prior to attempting to Download data from your Element Il 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 80 GAUGE OPERATING MODE 81 DIGITAL GAUGE MODE GAUG When GAUG is selected as the operating mode the Element Il will operate as a Digital Depth Gauge Timer without performing nitrogen and oxygen calculations To access GAUG mode while the NORM Surface Main screen is displayed press the M button 1 time for 2 seconds If the graphic GAU is flashing Gauge Mode can be selected as the operating dive mode by pressing and releasing the M button momentarily 2 sec The graphic GAU becomes solid and Gauge Mode is selected f no Gauge dive has be conducted pressing the M button for 2 seconds will advance to the Free Surface Main screen NORM SURF gt gt GAUG SURF gt gt FREE SURF Gauge Surface Main information includes Fig 79 gt Surface Interval Time hr min with clock wave icon Graphic GAU flashing if not previously selected Number of the recent dive conducted O if no dive yet that period with icon Battery icon if a Low Battery condition flashing if Too Low Upon descending to 5 FT 1 5 for 5 secon
77. to Start Press and release the S button momentarily lt 2 sec to toggle On Off Start Stop Press and release the A button momentarily lt 2 sec to access 2 Depress the S button for 2 seconds to activate the Backlight Fig 92 FREE DIVE MAIN Fig 93 FREE DIVE ALT 1 CDT in progress 93 Fig 94 FREE ALT 2 Fig 95 FREE CDT ALARM 94 f no button is pressed during a period of 10 seconds operation will revert to the Main Free Dive ALT 2 information includes Fig 94 gt Time of Day with clock and AM or PM icons gt Max Depth with MAX and FT or M icons The display will revert to the Main after 5 seconds or if the A button is pressed released Depress the S button for 2 seconds to activate the Backlight FREE DIVE ALARMS Free Dive alarms sound 3 short beeps 1 or 3 times as an indication that an event is occurring and as a reminder to view the display to identify an event As the audible sounds a graphic identifying the event will flash in place of NDC Time Free Dive alarms are separate and unaffected by NORM GAUG mode alarm settings and the Alarms that occur in those modes are separate and unaffected by Free Dive alarms Free CDT Alarm When the Free CDT decreases to 0 00 3 short beeps will sound 3 times during which the graphic CDT will flash Fig 95 then NDC will be restored Free Depth Alarms When Depth reaches the Free Depth Ala
78. trogen 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 Element Il dive computer model is based upon the latest research and experiments in decompression theory Still using the Element just as using the 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 2 CONTENTS WARRANTY NOTICES DECOMPRESSION MODEL eren rennen tnnt nnne 2 OVERVIEW FEATURES AND DISPLAYS SURFACE MODES FULL LCD CONTROL BUTTONS OPERATING MODES AUDIBLE ALARM BACKLIGHT POWER SUPPLY PC INTERFACE BAR GRAPHS ALPHA NUMERIC DISPLAYS OPERATING MODES AND SURFACE MODE NORM SURF MAIN NORM SURE AED NORM GAUGE SET MODES Setting FO2 for Nitrox Dives SET GROUP FO2 Set FO2 GAS 1 Set FO2 GAS 2 Set FOZ BOR DAAU Aa iie Ito tn casi sedie t ai 29 CONTENTS continued SET A GROUP NORM GAUG ALARMS Set Audible Alarm Set Depth Alarm Set EDT Elapsed Dive Time Alarm Set NiBG Tissue Loading Bar Graph Alarm Set DTR Dive Time Remaining Alarm
79. tton for 2 seconds while viewing a Preview screen to Switch FO2 to that Gas Operation will revert to the NORM Main screen after 10 seconds of no further M button action Gas 1 Switch Preview information includes Fig 71 gt Graphics FO2 and 1 Tank icon representing Gas 1 Graphic Air or FO2 value set Gas 2 Switch Preview information includes Fig 72 gt Graphics FO2 and 2 Tank icon representing Gas 2 Graphic Air or FO2 value set Fig 71 GAS 1 PREVIEW Fig 72 GAS 2 PREVIEW 75 GAS SWITCH ROUTINE NORM DIVE MAIN Switches from Gas 2 to Gas 1 M GAS 1 after 3 sec lt 2 sec PREVIEW lt 2 sec Switches from Gas 1 to Gas 2 M after 3 sec lt 2 sec PREVIEW GAS2 lt 2 sec Back to NORM DIVE MAIN 76 NORM POST DIVE MODES 77 POST DIVE FIRST 10 MINUTES ON SURFACE When you ascend to 2 FT 0 6 for 1 second the Surface Main screen will be dis played 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 NORM Surface Main information includes Fig 73 gt and O2BG if Nitrox gt Surface Interval Time hr min with colon flashing during the first 10 minutes and clock wave icon Graphic Nor Tank icon representing Gas in use 1 after 10 min default on surfac
80. with FT or M icon and STOP icon flashing Stop Time hr min with clock icon Down Arrow icon flashing Tank icon Gas 1 or 2 Current Depth with FT or M icon V V VV VM Press and release the A button 2 sec to view screens which are similar to those previously described for the Deep Stop Depress the M button for 2 seconds to access the Gas Switch Routine Depress the S button for 2 seconds to activate the Backlight Fig 62 DV1 MAIN 65 DELAYED VIOLATION 2 DV2 the Decompression obligation requires a Ceiling Depth between 60 FT 18 M and 70 FT 21 M the full NiBG and TAT Total Ascent Time digits will flash 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 NiBG and TAT to flash When the Deco Stop Depth indicates 50 FT 15 M etc you can ascend to those Stop Depths and continue decompressing DV2 Main information includes Fig 63 Full NiBG flashing O2BG if applicable TAT hr min flashing with Deco mode icon Stop Depth with FT or M icon and STOP icon Stop Time hr min with clock icon Tank icon Gas 1 or 2 Current Depth with FT or M icon V VV VN M Press and release the A button lt 2 sec to view ALT screens which are similar to those previously described for the Deep Stop page 73 Depress the M button for 2 seconds to access the Gas Switch Routine Depress the S button
81. ygen tolerance while increasing the risk of pulmonary oxygen toxicity The Element Il provides information based upon a personal dive profile and therefore must not be shared between divers It is impossible for two divers to stay precisely together underwater and your computer s dive profile tracking of previous dives will be pertinent to you only Nitrogen and oxygen loading of a second user may be significantly different and swapping dive computers could lead to inaccurate and dangerous predictions of decompression and oxygen accumulation status 20 SURFACE MODES 21 OPERATING MODES As described previously there are 3 Operating Modes NORM for Air or Nitrox SCUBA dives GAUG for SCUBA dives with no Nitrogen Oxygen calculations FREE for breath hold dives with no SCUBA SURFACE MODE After activation and while the default Surface Main screen is displayed depressing the M button repeatedly 2 sec each time steps through the operating mode Surface Main screens The operating mode selected NORM GAUG or FREE will remain on display for 2 hours until a dive is made or another operating mode is selected If a dive has been conducted within the past 24 hours the SURF MAIN screen for that mode will be displayed until changed At any time while operating in Surface Modes the Element II will enter Dive Mode upon descent to 5 FT 1 5 M for 5 seconds The Element Il will enter post dive Surface Mode following a dive
82. you in an unnecessarily dangerous situation Existing data for making planned decompression dives is limited and virtually non existent for repetitive decompression diving Decompression diving greatly increases your risk of decompression sickness Special training equipment and support are necessary for diving deeper than the maximum recommended sport diving depth limit s 52 NORM DIVE MODES 53 54 Fig 49 NDC DTR NO DECO DIVE TIME REMAINING NDC The Element Il constantly monitors No Decompression status 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 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 as NDC Fig 49a and the NiBG Fig 49b As you ascend from Depth during a dive 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 advantages that the Element dive computer offers OXYGEN ACCUMULATION If FO2 was set for a numerical value Nitrox the O2BG Fig

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