Heading 1 - UTC Digital
Contents
1. are 29 Safety stop and Deco stop ViolatiOn 0000 jl i lll nll nnn nnn nnn nnn nn nn ne 29 Severe decompression violation 2222222222 a iiia A RA ia aaa 29 USING ThE Compass cssxo ne reed re ke reno coa 29 Sending and receiving text messages uieiiieeeiii esee ese s nk erre 30 Sending a MESA ricino CE aei Se Lon EE c D Dis Se DAE deere aai 30 VIEWING last MESSAGE PD O A A a a E 31 Rece ivilig d MESSI ica e Mima Leve RRUGS 31 NaVigation to a ii a aa a 32 Navigation mode and method eicere aca a n RE E ERR ER ERR 33 Using the Navigation display osecisccenccesececetesecedeadsaceveeas aatinaa iania aauina a caen AEAEE Aa e EXE RN Fx a E CREER RR ER 33 SOS Signals zc eicit etuer sueistermte ma Eee M Ra MM LED INIMICI CIAM D IQ E PIE 35 REMOS OM ii a A 35 A TO 36 Mask HOMO ci A a 36 Care and mainitenance creer ra teneo hee redeat Ioue bet ed ld ld e di ica did decia 37 Revert to factory setting eerie ic A Ed 37 Base boat Unit or eee te err Sa een pe iesu n RH outs inet eret eret 38 Charging the UDI boat hit cuente dE Pee FERA POR EUER ERR YE 39 Connecting the UDI boat unit to the PC ccccccccccccccsceececeeeccesenenssecenecescdeceneneceneneeedecenesecencceseeeseresecenees 39 Turning UDI boat unit On and Off lll nll nnn nn nnn nennen enne nnne n nennen nnne nnne nennen 40 Scrolling the menus iui eue A e uua n died vied D err e e2. 16 Entering Exiting RGBM Setup mode essen aia i nnns 16 puce I 17 Altitude ost dcinde IE MEINE NE 17 Mur eU 17 RGBM Modelo alt ai ra oa oat nas 17 prf dnd 18 Nang T 19 Nue 19 PE COMEN EE E 20 SMC coercere etes crue t cese is 21 Mende m an a a 22 SS A EET 23 eno 23 PU Lo POP OOO 23 a H 23 LED CONO A dd 24 LEDO Cond coi ii 24 Uc 24 P Xo MIDI DL 24 Revert to factory settings i e er nar E EE REX XR ERE HERE ATE YR AR ER EXE E PNTA Ena a AT Xa 24 Using the Dive COMPUtEN C iei 25 sis E M 25 Underwater display drea khen XX ERR EX ERR ERR EXER EXE XR ER E ERR CH T ERR ER E ERR X Ra Xe RE 25 Dive computer parameters cicuco eee nnb rnim a ada 26 Reviewing RGBM setup and viewing additional data cccccccccccccccnnnnnonenonononnnnnnnnnnnnnnnnnnnnnnnnnnnenennns 26 Abnormal condition Ss iacens rar nee a ERE HEAR RT HRR RUE PRX ERR X XS 28 Low battery prior to A VE tacita Oe 28 Low battery during dive oreet ii 28 Empty battery during dive e EX EX EXER XE EXER EXC AX ER XR EXER ER X XXX Regn 28 Fast ASCENT m
3. Entering Exiting RGBM Setup mode To enter RGBM Setup mode 1 From the Main menu select Setup and press Enter 2 From the Setup menu select RGBM Setup and press Enter To exit RGBM Setup mode Use the Up Down buttons to scroll to SETUP and press Enter this automatically saves all parameters and configurations that you defined The saved parameters will be used as the default settings until such time that you modify them again Water WATER 09 35 B Select the water environment 1 Salt 25 3 Salt or Fresh water and press Enter The default Salt Altitude The UTC RGBM model can be adjusted for high altitude dives where water bodies are above sea level Select the altitude group from four groups e 0 700 meters e 700 1500 meters e 1500 2400 meters e 2400 3700 meters Note The display will be in meters or feet depending on your UDI setup See page 24 ALTITUDE Select altitude group that matches 1 0 700 m your starting dive conditions and press Enter The default 0 700m 2 700 1500 m 3 1500 2400 m Nitrox Set the gas mixture NITROX can be set between EAN21 air 21 Oxygen to EAN99 99 Oxygen Use the Up Down buttons to change the EAN value from EAN 21 air to EAN 99 and press Enter NITROX EAN 21 Air The default Air 21 RGBM Model Select the conservatism of the mathematical Nitrogen model See Appendix A RGBM mode
4. DiveSim opens in the PC Simulator window A gt Underwater communication made simple amp fun about DiveSim Database PC Simulator UDI Simulator Diving In Process UDI not conneefed N 509 65 69 65 55 41 35 19 13 00 Conservation level Model2 v EAN Altitude meters 0 700 m Max depth Tm 51 4 v Salt water v Deep stops enabled 1 Menu selection 5 Tissue saturation graph 2 About DiveSim 6 Diving configuration panel 48 3 UDI connection status 7 Dive computer display panel 4 Metric Imperial unit toggle 8 Dive depth graph When connecting the UDI to the PC using the Quick Connector and the USB cable making sure the UDI is the to PC Connection enable there is an automatic check for possible Firmware internal UDI software newer version If the is such version you well be offered to upgrade UTC is strongly recommends to always use the most updated version Database PC Simulator UDI Simulator princi on E Y Manage UDI Log 20 00067 a Dive Sim Application Cy Dive Sim Application Version 1 51 iod UTC C by Underwater Technologies Center Ltd UDI S N 20 00067 UDI Version UTC A002 20 21 UTC Web Site Upgrade UDI Depth 0 0 NET 2 Conservation level Model 2 v EAN 99 In order to make such upgrade possible you have to download the most recent available software from UTC web site www utc digital com at the sp
5. Dive Parameters Total Deco 237 20 15 cns 051 Heading 90 OTU 35 1 Dive Parameters 20 15 Re Dive factor 100 Tem 179C 27 Abnormal conditions Low battery prior to a dive If the battery status becomes 1 empty prior to a dive and the depth 15 4 1 diver decides to dive despite this 32 0 TUNE warning the UDI locks the dive computer automatically for 24 hours starting at the end of the dive and will ask the diver to charge it UDI will continue to work as a timer and depth meter gauge mode only and will not calculate the decompression parameters or other diving computer parameters LOW BATTERY Please Charge UDI WARNING The UDI may turn itself off during the dive Low battery during dive When the battery contains less than 3 hours charge UDI will display a warning message and sound an alert tone Click Enter to return to the dive computer display When the battery contains less than 2 hours charge UDI will display an additional warning message and sound an alert tone Click Enter to return to the dive computer display When the battery contains less than 1 hours charge UDI will display yet another warning message and sound an alert tone Click Enter to return to the dive computer display Each transmission is shortening the battery tome of operation WARNING In all cases of low battery alert start ascent immediately according to safe diving p
6. log 1 Connect the UDI to the PC USB port 2 On the UDI select Setup gt PC Connection gt Enable The Manage UDI log window shows a list of UDI logged dives Select the wanted dives and click Get from UDI to save them to the PC Select the wanted dives and click Erase to erase them to the UDI UDI not connec ted UDI Log To save your dives on your PC please O Date time and index Get from UDI 53 Update your UDI The Update your UDI function is used to manage and update your UDI user lists and list of messages To modify you list of UDI users 1 Click Update your UDI and click the Your UDI Users tab A gt Underwater communication made simple amp fun Database PC Simulator UDI Simulator Select a group to view it s messages Please note When selecting Send to UDI you will run over UDI s previous user list All available users list AP New group g Edit YO Delete UTC Course users Current UDI users list User 01 User 02 User 03 User 04 User 05 User 06 User 07 User 08 User 09 User 10 User 11 User 12 User 13 User 14 2 4 Send to UDI You can Click New group to create a new group of users Select an existing group and click Edit to edit the user list Select an existing group and click Delete to remove the group e n When you create or edit a group of users the Edit Users list appears e Place your cursor in t
7. The Dive configuration panel is used to adjust the dive parameters on the simulator as they are also defined in the RGBM dive computer Conservation level EEN 2 y EAM o 700 m Max depth m 61 4 v Salt water v Deep stops enabled It contains the following e Conservatism level select from one of the 5 available levels see RGBM Model on page 17 e Altitude select an altitude level for your dive location see Altitude on page 17 e EAN define Nitrox percentage see Vitrox on page 17 e Max depth insert maximum depth as if you are using in a dive plan to determine the PO limit e Salt water check if this is a salt water dive simulation e Deep stops enabled check to allow this option The Dive computer display panel contains dive the computer data shown in the UDI dive computer display see Using the Dive Computer on page 25 50 The top of the Dive computer display contains the Up and Down buttons that serve a similar function to the Up and Down buttons on the UDI unit e Click the Up button to see the RGBM setup parameters e Click the Down button to see the last diver parameters The left side of the Dive computer display contains the simulator controls which are used to simulate a dive Up arrow moves the diver up Down arrow moves the diver down Forward arrow maintains the diver at the selected depth Pause button pauses the simulation When paused the button
8. UDI User Manual Protected by patents no 6125080 6130859 6272072 in the US and in other countries Version 1 21 Disclaimers LIABILITY DISCLAIMER As is true of every device of diving equipment including all dive computers underwater navigation systems and other underwater equipment the Underwater Digital Interface UDI abilities are not limitless There are certain limitations and restrictions of which you must be aware and certain precautions you must take when using the UDI Please read carefully all warnings in this document and disclaimers in each specific chapter of the user manual The UDI is a computation hardware device combined with software applications that implements a diving computer digital compass navigation or tracking after acoustical signals text messages and alert signal communication The UDI combines all these applications in one unit The UDI is not a primary device but only an aid to send and receive text messages to be used as an aid in navigation or tracking after an acoustical signal as an aid for digital compass and as an aid to send and receive emergency signals The UDI is not a device of life support gear As such it is unlikely that you will be hurt by the instrument itself any more than you might by a diving computer or any other object of similar shape size and weight The main danger in the use of UDI over reliance on the information it provides As an electronic system
9. displays the Navigation Mode screen Navigate to the diver in distress using one of the methods described on page 32 Remote homing UDI contains the ability to send a remote homing signal to the boat unit The remote homing signal takes the form of a message that cannot be modified or deleted from the message list To activate the remote homing or remote SOS 1 Inthe Message menu select Remote Homing from the list MESSAGES by scrolling with the Up Down buttons then click Enter 15 Remote Homing 2 Click Send The message is sent 35 Remote SOS UDI contains the ability to send a remote SOS signal to another user Failure to respond and cancel the request by the user receiving a remote SOS causes the UDI to start sending SOS signal to the entire network You will receive an SOS signal and navigate to the diver in distress using one of the methods described on page 32 The remote SOS signal takes the form of a message that cannot be modified or deleted from the message list To activate the remote SOS 1 Inthe Message menu select MESSAGES Remote SOS from the list by scrolling with the Up Down 14 Remote SOS buttons then click Enter 2 Click Send The message is sent Mask Homing You can temporarily mask the navigation homing beacon to prevent your UDI from sounding a homing alarm when a homing signal is transmitted This allows you temporarily disregard the homing signal unt
10. 40 e Compass see page 42 e Transmit homing see page 43 e Setup see page 44 Sending and receiving text messages Messages are pre set using the PC connection and UDI software To modify the pre set message list see page 55 You can send messages to UDI users on the same network using the Send Message function NOTE Each network contains its own list of users and of preset text messages Messages and users can be updated using the PC connection for the active network only To enter the Message menu e From the Main menu select Messages and press Enter 40 To exit the Messages menu and return to the Main menu select Main and press Enter Sending a message The UDI unit can sent one of the 13 preset text messages to other UDI users To send a text message 1 In the Messages menu select MESSAGES New Message then click 5 Main Enter 1 New Message 2 User to Send 2 Inthe Message list choose a MESSAGES message by scrolling with the Up Down buttons 3 Boat above you Click Enter 3 Inthe Messages menu User MESSAGES to Send is selected 5 Main Click Ent icd 1 New Message 2 User to Send 4 Inthe Send To menu choose SEND TO a user by scrolling with the Up Down buttons 2 Bob Click Enter 5 Inthe Messages menu Send MESSAGES is selected 1 New Message 2 User to Send 6 Click Enter The message is sent You are automatic
11. Nitrogen partial pressure for the diver taking into account the previous dives performed DIVE PLAN Use the Up Down buttons to change the depth in steps of 3 Depth 98 meters Time 45 Press Enter to return to the RGBM PO2 Depth 19 setup menu New diver Switch the UDI between divers by resetting the diving computer This requires confirmation of the diver to the disclaimer WARNING The UDI must never be traded or shared between users while it is in operation Switching the UDI to a new diver using this feature will void any data from the previous diver Ensure that the new diver has not dived in the previous 24 hours prior to using the UDI the computer cannot account for dives performed without the UDI Ignoring this warning may result in serious injury or death mE DISCLAIMER 1 The Disclaimer appears Click By selecting YES you certify that Enter the diver that intends to use this device h t dived in the last 24 2 Select Yes for a New Diver and mous enne tas press Enter The UDI is set for a new diver NEW DIVER Yes PC Connection Use the PC Connection option to connect UDI to your PC and use it with the DiveSim application See page 48 for information on using DiveSim WARNING Do not enter the water with the UDI when the PC connection is active This will damage your UDI NOTE When the PC connection has not been used for 2 minute
12. a few examples which are inherently dangerous but which can be used very safely by adhering to simple rules and precautions Care should be taken to charge on a fireproof surface such as brick or in a hot warm environment Do not charge the UDI when lying on an ignitable surface If you left the UDI in a warm environment or open to sun light DO NOT CHARGE IT wait until it will be cooled to a temperature of less than 30 centigrade Do not charge batteries near flammable items or liquids Keep a dry fire extinguisher nearby or a large bucket of dry sand which is a cheap and effective extinguisher Do not charge inside an automobile especially while driving The UDI should NEVER be left unattended while charging Handling Cautions New cells may have a high initial charge and care must always be taken to insure that the cap of the UDI is completely sealed DO NOT REPLACE BATTERIES If the batteries performances are low please send it to the authorized dealer for repair or replacement Charging cycles The Batteries should work in good condition for approximately 300 charging cycles We strongly recommend that every year you ll send the UDI for batteries test in order to measure their stability and charging cycles Please remember every charging cycle shorten the batteries lifetime and there is an ageing process with the Lithium chemistry thus it is important to safely dive with batteries that will enable you to
13. any intellectual property right with respect thereto shall remain exclusively with UTC For the purpose hereof intellectual property includes inter alia any property in and rights under copyright patents conceptual solutions and inventions whether patentable or not circuit layout rights design rights designs database rights trade names trademarks service marks methodologies ideas processes methods tools and know how and or any other types of intellectual property rights The purchaser and or user of the UDI system may not and shall not 1 permit abet or aid others to translate reverse engineer decompile disassemble update or modify all or any part of the UDI system Contents Introduction rU o pe dieta RS p ae ae 8 Safety c Sohn teet ete itr tte TA NS 9 Battery saving and Water Sensor ieeseeeee esent nhe suu pu gu anu RR RR ERR RR RARRRRRRR RXRLRRRARERFRRR RKRXRERARERERXR ERR Sa 9 Before aac 9 DRUSI ER 10 Unit DESCH suene 10 Using the quick CONNECTION aiii lia 11 Charging the UDI aiii raaa aoada anaa iadaaa anaa dadaa ara iai 11 Connecting the UDI to the PC beis 12 Using the UDI n Mcd 13 Turning UDE On and Off icit iiiter AA 13 Scrolling the MENUS dissuaded eile dead cedri ouk ux mte Des Cu x Dune dva Pan AEE DER 13 Ub main MENU er Ep 14 Setting up MU Lc 15 acus
14. is red UDI Simulator The UDI Simulator function is used to perform a dive simulation by connecting the UDI to the computer and seeing the way a dive plays out on the UDI During a simulated dive using this function the UDI reacts exactly in the same way as it would in a real dive This allows you to test your planned dive The UDI Simulator Dive depth graph shows the dive profile over time In a dive simulation the dive depth profile updates twenty times faster than real time The Tissue saturation graph updates as a result of the dive depth profile and is calculated at the speed of the dive simulation This is actually the calculation performed by a dive computer The Dive configuration panel displays the dive parameters on the simulator Conservation level M Y EAN 9 5 Altitude meters Y Max depth rn E v Salt water v Deep stops enabled It contains the following e Conservatism level shows one of the 5 available levels Altitude shows the altitude level for your dive location EAN shows Nitrox percentage defined Max depth shows the maximum depth to determine the PO limit Salt water checked if this is a salt water dive simulation Deep stops enabled checked to allow this option The Dive computer display panel contains dive the computer data shown in the UDI dive computer display see Using the Dive Computer on page 25 51 The top of the Dive computer displa
15. locate the SOS sender Each UDI includes a homing device to help the diver locate other divers or the dive boat The UDI can be worn on the lower arm or attached to the Buoyancy Compensator BC The UDI permits a diver to communicate with any other diver on the network without distractions or potential discomforts and expense of voice communications gear Safety Read and understand this user guide prior to using the UDI Pay close attention to all cautions and warnings listed Make sure that you fully understand the use displays and limitations of the UDI prior to diving Improper use of this device may cause a diver to commit actions that could lead to serious injury or death WARNING The UDI must never be traded or shared between users while it is in operation Switching the UDI to a new diver using this feature will void any data from the previous diver Ensure that the new diver has not dived in the previous 24 hours prior to using the UDI the computer cannot account for dives performed without the UDI Battery saving and water sensor The UDI has a battery saving mode After the UDI unit is turned on e If no button is pressed on the UDI or 10 minutes the UDI goes to standby and the screen displays the word Standby e After 60 minutes of no activity the UDI turns off The UDI unit contains a water sensor When the UDI unit that has been turned on or is in standby comes in conta
16. n ee P Pe roe n Deeds 40 BIB Rud Boat Tea mai RE TU PR EI E 40 Sending and receiving text messages uuueeeeeeeeeeeeeeseeeseeeee nennen nennen nnne nnne nnne nn nnn ANNEN 40 Sending message sites annaa tici icio a E Enos ree Girne gered 41 Viewing last Messages siiis M 41 RECEIVING A rriessage corii nenne inrer rptu eda nar did 42 USING the COMPASS ii ecc 42 SOS SIM Sit aa vate e cido 43 Remote homing Remote SOS ccinincaniconinanina niani nn t nnn 43 Setting up the UDI Boat nit eene ia 44 A IEEE TRU EEM 45 UDI Boat Unit SQUU ER 45 ioa q 45 PE O E RE 46 DAKE iii nre n ari d nn n rn d d n aa 46 Care and maihtenance iius ioa dnne renta cded a a retina diia 46 Revert to factory setting oie tetro re ea a men ec i Ro e e Pa an d e d a d 47 DiveSim Mcon T 48 USING the SOftWate serit rcrer rece A c ina n PERSE ee n ds 48 PC Simulator a Ge Gi deat adele Maden MiGs DRE IE n o duda E RAE Ee RR REA UE RE a Te REAPER E ER Eras 50 UDI Sim lator 5 oriri nh eae em e nein nre nn n nn rn n e caa 51 Database function iid opcre a A AT 52 Manage UDI lO P 53 Update your UDI 3 2 n ic eie ri err iu io ie A AA 54 Appendix RGBM Model 2 3 eerte rette naco 57 In
17. to scroll to Setup 2 Press Enter To exit the Setup menu and return to the Main menu select Main and press Enter 44 List Sync Use this option to synchronize the user list and message list with other UDI users Messages and users can be synchronized for the active network only If you want to update the list for the all 4 networks you have to repeat this action after selecting the network before performing additional synchronization Note that the default Buddy selection is performed for the active network at the time of synchronization 1 Place the UDI units next to each other so that the individual UDI unit antennas are touching the boat unit antenna In the Setup menu of each unit select List Sync and press Enter Select UDI Status and press DIRECT LIST SYNC Enter The UDI Status menu opens 1 UDI Status 2 Start Sync Select whether your UDI will 3 Setup be sending synch data or receiving synch data and press Enter UDI STATUS Set the receiving UDI unit s 1 Sending to Receiving prior to setting the sending unit to Sending i g In the Direct List Sync menu select Start Sync to start the synchronization process Press Enter The display shows Updating When the update is complete the display reverts to the Direct List Sync menu If from some reason the process was not successful it will automatically repeat the process till the receiving unit is
18. ND COMPARISONS NAUI Technical Series 8 Bruce R Wienke and Timothy R O Leary http www scuba doc com rgbm pdf REDUCED GRADIENT BUBBLE MODEL DIVING ALGORITHM BASIS AND COMPARISONS Bruce R Wienke and Timothy R O Leary http www scuba doc com rgbmim pdf 58
19. Use this option to select a contrast level for the LCD display The contrast interval ranges from 1 very little contrast to 7 high contrast LCD CONTRAST Use the Up Down buttons to define a contrast value and press Contrast 7 Enter Make sure there are no strips seen on the screen Units Use this option to select Metric units meters degrees C or Imperial units Feet degrees F as your unit of measurement UNITS Select Imperial or Metric and press Enter All units displayed on the ATpeHa UDI will now conform to the unit 2 Metric type chosen NOTE The temperature displays according to your units selection When you select Feet Fahrenheit degrees are shown when you select Meters centigrade degrees are shown About UDI Use this option to view the UDI serial number and software version installed Use this information when contacting UTC about your UDI ABOUT UDI 31 05 2008 S N 20 111007 19 36 Version Ver 25 01 2008 Revert to factory settings In case you would like to revert to the original UDI factory settings press the Up Down and Enter buttons simultaneously to start the UDI on Wait for the UDI to turn on and for the message set default appears on the screen All customizations and settings you have done will be erased and UDI will turn on with the original factory settings 24 Using the Dive Computer The dive computer displa
20. ally returned to the Main menu Viewing last message 1 Inthe Messages menu select MESSAGES Last Msg Rcv 1 Click Enter The last 3 Send i i 4 Last Msg Rev message received is shown and identifies the 5 Main sender and network used 2 Use the Up Down buttons to scroll the last five messages received 41 Receiving a message When you receive a text message from another UDI user your UDI unit sounds an audible signal and the message is automatically displayed The received message identifies the message sender and the network on which it was sent MSG FROM Only if the message an SOS Brad 8 3 The depth of the diver sending the Coming back to boat message is also displayed in the message In the example on the right the sender is Brad at a depth of 8 3 meters Click Enter to turn off the audible signal and return to the dive computer display Using the Compass The UDI boat unit contains an electronic compass display This compass is accurate within 2 The electronic compass accuracy is influenced by the presence nearby metal bodies and may be biased dramatically To open the compass display e From the Main menu select Compass 13 25 MAIN 1 Magnetic North 3 Time 2 Swim direction 4 Your heading Degrees To exit the compass display e Select Main and click Enter 42 SOS Signals Unlike other UDI signals SOS signals are activated acros
21. ally the UDI boat unit may need to be serviced at an authorized laboratory for calibration and battery replacement Consult the UDI webpage for information Revert to factory setting In case you would like to revert to the original UDI factory settings press the Up Down and Enter buttons simultaneously Wait for the UDI to turn on and for the message set default appears on the screen All customizations and settings you have done will be erased and UDI will turn on with the original factory settings 47 E DiveSim software DiveSim is software designed to work with your UDI to perform the following actions e Update your UDI message and user lists Manage UDI log Database management Dive Simulator using the PC only Dive Simulator using the UDI and DiveSim Upgrading the UDI or Boat unit Firmware Using the software Download the most updated version from UTCs web site at www utc digital com under Support Download Save the Zip file on your desktop Un zip the file and extract it to you Desktop one single set file will be created Start the installation file making sure the UDI is NOT connected to the PC or the Quick Connect device At the end of the installation process a DiveSim shortcut appears on your desktop Also under the group Underwater Technologies Center under programs you will find the Instructions manual etc Open DiveSim by double clicking on the DiveSim shortcut
22. between the traditional recommended safety stop and deep stops Deep stops occur deeper than traditional stops to minimize microbubble formation The RGBM model calculates deep stops iteratively placing the first stop at approximately halfway between the maximum depth and the ceiling depth After completing the first deep stops another deep stop is set halfway to the ceiling and so on Personal adjustment Divers can input personal adjustments into the RGBM decompression model There are 5 modes to choose from Factors which can affect which mode to choose vary between divers and for the same diver from one day to the next The factors which can increase susceptibility to decompression illness include but are not limited to e Cold exposure Fitness level Fatigue Dehydration Previous cases of decompression illness Stress e Obesity The model should be adjusted to a conservative level according to personal experience and ability Under ideal conditions use the default value of mode 2 If conditions are more difficult choose a more conservative model The UDI adjusts the RGBM model according to the mode entered and provides appropriate decompression times 57 The UDI also allows more experienced divers who are willing to accept some risks to choose a lesser level of conservativeness Additional in depth information about the RGBM can be found in http www rgbmdiving com index htm REDUCED GRADIENT BUBBLE MODEL WITH BASIS A
23. complete the dive COMPASS DISCLAIMER The UDI contains 3 D Magneto Impedance sensor Combined with software it generates the North magnetic direction Common sense must be used at all times when navigating therefore it should only be considered as aids to navigation The UTC policy of continuous improvement may result in changes to product specification without prior notice It is advised to visit www utc digital com from time to time and to download updates for new algorithm and compensation factors for this sensor This compass is intended for recreational dive use only It should not be used for industrial or professional measurements The compass accuracy is highly dependent on the environment for example soft or hard metal will highly alter the real measurement Thus it is advised not to use the compass in the vicinity of any metals UTC does not assume any responsibility for losses or claims by third parties that might arise through the use of this compass License to use the Software Notwithstanding anything herein to the contrary the purchaser and or user of the UDI system shall not obtain any intellectual property right in any the UDI system or any part thereof other than the limited right to use it The purchaser and or user of the UDI system shall not have and shall not acquire in any way any intellectual property right in the UDI system The UDI system shall not be deemed to have been produced as work for hire and
24. ct with water the dive computer becomes activated A dive calculation starts when the UDI reaches a depth of 2 meters and is wet for at least 15 seconds Before every dive To ensure your safe use of the UDI before every dive you must check e UDI battery is charged The RGBM settings and diving computer settings are set to match the planned dive conditions The list of names users in the dive group The network used between you and your buddy or group Check communications by sending a message to your buddy and receiving a message back UDI unit Unit Description The UDI unit consists of the following 1 Antenna 4 LCD display plastic protector 2 Up scroll button 5 Attachment buckle 3 Down scroll button 6 Enter button 7 Emergency SOS button The UDI contains the following functions e Dive computer Electronic compass Message sending receiving Homing device Emergency beacon e Dive logger Use of these functions is explained below Using the quick connector A quick connector is used connect the UDI unit to a power supply or to a PC Attach the quick connector to the UDI as show below ensure the contacts are dry 1 Quick Connector 2 Connector bracket on UDI Charging the UDI UDI uses a rechargeable internal Li battery This battery can be recharged only with the UDI charger NOTE Read Lithium Polymer Charging Handling Safety Information on page 3 WARNING T
25. d the Enter button for about 5 seconds The UTC Proprietary screen opens if pushing the Enter button for a short time a message on the screen will appear mentioning the need for a longer push NOTE The UTC Proprietary screen contains a disclaimer Clicking on the Enter button signifies that you accept responsibility for use of the UDI and that you accept the terms of the disclaimer If you do not agree please do not dive with the UDI 2 Press the Enter button again The current settings screen opens 3 Press the Enter button again The setup menu opens After a few seconds the dive computer displays Standby mode e The UDI unit goes into Standby mode after 10 minutes of inactivity on the surface e The UDI unit goes from Standby to Off after 1 hour of inactivity on the surface e When in Standby mode the UDI unit instantly returns to use upon contact with water or when a button is pushed for 2 seconds To turn UDI off Press and hold the Enter button for about 4 6 seconds The UDI turns off A WARNING Power cannot be turned off during a dive Scrolling the menus To scroll through the menu options press the Up or Down buttons To select an option press the Enter button UDI main menu The main UDI menu allows you to access UDI functions The main menu flowchart is shown below 1 Messages 2 Navigation 3 Compass 5 Setup Use of the various functions is d
26. e Down counter from 3 minutes to zero SIT Surface Interval Time Counting the time the diver is out of the water to be calculated till the next repetitive dive When reaching to 24 hours the dive computer will start a new dive session no Nitrogen residues Surf Time The minimum expected time to the surface taking in account all needed stops in minutes Reviewing RGBM setup and viewing additional data While in Dive Computer mode you can 26 Press the Up button to see your tissue saturation graph When none of the tissues are above 100 you are not in a deco situation according to the UDI Press the Up button again to review your RGBM setup options Press the Up button again to review the second page of the RGBM setup options Press the Up button one more time or press the Enter button at any time to return to Dive computer mode On the surface Press the Down button see the compass Press the Down button again to review dive parameters Underwater Press the Down button see the compass Press the Down button again to review dive parameters Press the Down button again to review additional dive parameters IL2 s 4 bo 7 amp 8 RGBM SETUP S N 99999999 Salt Water Altitude 0 700m EAN 21 Air RGBM SETUP Model Model 2 O2 Max Depth 61m Deep Stop Disable Last Dive Parameters SIT Tdive 26 Fly Dmax 37 Dive No 1 Temp 23c
27. e receiving device is started the 3 Setup first 6 Press Enter The display shows Updating 7 When the update is complete the display reverts to the Direct List Sync menu In case of a possible failure in the communication the cycle will repeat automatically till the receiving UDI will prompt Copy succeeds NOTE If the synchronization fails restart the process from Step 3 21 Network Setup Use this option to select User and Buddy numbers and a network NOTE You and your buddy must be properly defined on your UDI and your buddy s UDI respectively and you must both be on the same network to be able to communicate using the UDI Select Net to define a network to use and press Enter Select a network from 1 to 4 and press Enter Select User to define the user name number for the UDI and press Enter NETWORK SETTING 4 Setup 1 Net 2 User 3 Buddy Select a User named or USER numbered from the 14 users 1 User 1 and press Enter Brad i NETWORK SETTING 3 Jen Select Buddy to define your NETWORK SETTING buddy number and press E User Enter 3 Buddy 4 Setup Select a User named or BUDDY numbered from the 14 3 Jen individual users boat or all users and press Enter This will be your default for sending a message to Bob 5 Armin i UDI Setup Use the UDI Setup menu opt
28. e signal and automatically transmit an acknowledgement signal to the sender After a short while the UDI return to the dive computer display MESSAGES 5 Main 1 New Message 2 User to Send SEND TO 2 Bob MESSAGES 1 New Message 2 User to Send MESSAGES 3 Send 4 Last Msg Rcv 5 Main MSG FROM Brad 8 3 Boat above you 31 Navigation to a target UDI can be used to track an SOS beacon or a Homing beacon A homing beacon transmits a homing signal from the boat unit on a specific dedicated frequency An SOS beacon transmits a homing signal on a specific frequency received on all networks used with UDI Navigation using the UDI can be done only while the diver or beacon are moving in relation to each other In other words the UDI diver the beacon or both must be moving since the navigation beacon relies on the Doppler Effect UDI can use one of two different navigation methods for tracking e One step corrects navigation as you dive showing the adjusted direction of the target beacon on the UDI Choose a random initial direction to start diving then adjust as you go This is the UTC recommended navigation method This is the recommended method to be used by most divers e Two steps recommended for use by experienced divers only This method requires you to dive 1 1 2 times around a circle 1 to 2 meters 3 to 6 feet in diameter while usin
29. ecific location http www utc digital com downloads asp cid 106 amp pr 39 After downloading the file from the web site save it on your desktop Un zip the file to you desktop Run the unzipped file and the most updated DiveSim software as well as the most updated UDI software will be available to you You can always initiate the upgrading process by going into the about DiveSim button on the upper right corner of the screen The menu selection bar contains the following options e Update your UDI manage and update your UDI user lists and list of messages see page 54 e Manage UDI log manage and save dives log data from your UDI to the PC see page 53 e Database load and maintain dive data information on the PC see page 52 e PC Simulator perform a dive simulation without connecting the UDI to the computer see page 50 49 e UDI Simulator perform a dive simulation by connecting the UDI to the computer see page 51 Use and functions for each of these options is described below PC Simulator The PC Simulator function is used to perform a dive simulation without connecting the UDI to the computer The PC Simulator Dive depth graph shows the dive profile over time In a dive simulation the dive depth profile updates twenty times faster than real time The Tissue saturation graph updates as a function of the dive depth profile and is calculated at the speed of the dive simulation
30. escribed in detail as follows e Setup see page 15 Dive computer see page 25 Messages see page 30 Navigation see page 32 Compass see page 29 Setting up the UDI Use the Setup menu to set up the UDI for the following features e RGBM Setup Setup features of the RGBM model for use with the dive computer PC Connection Connect to a PC for use with the DiveSim software List Sync Synchronize message and user lists with other UDI units Network Setup Set network for communication with buddy UDI Setup Set UDI parameters clock audio light units etc Main Returns you to the Main menu The Setup menu flowchart is shown below 1 RGBM Setup 2 PC Connection 3 List Sync 4 Network Setup 5 UDI Setup To enter the Setup menu 1 From the Dive computer display double click Enter The Main menu opens 2 Usethe Up Down buttons to scroll to Setup 3 Press Enter To exit the Setup menu and return to the Main menu select Main and press Enter RGBM Setup Use the RGBM Setup options to set the features of the RGBM model for use with the dive computer The RGBM Setup flowchart is shown below 1 Water B Water list j X X 2 Altitude B Altitude list 3 Y Y 3 Nitrox y EAN 21 99 7 Y Y 4 RGBM List 1 to 5 Disable Enable 5 Deep Stops 6 Dive Plan Scroll up down n Y 7 New Diver
31. essages tab fx Select a group to view it s messages Please note When selecting Send to UDI you will run over UDI s previous messages list All available messages list A New group Edit YO Delete Current UDI messages list messages Current UDI messages list M M M M M M M M M M M M M ies Send to UDI You can Click New group to create a new group of users Select an existing group and click Edit to edit the user list Select an existing group and click Delete to remove the group e 9 9n When you create or edit a group of messages the Edit Messages list appears e Place your cursor in the entry box and type a new message 55 e Click Clear to delete a message e Click Save when you have finished editing the list The list appears on the right side of the Your UDI Messages tab Edit Messages Users User 02 look u Delete Diving gang talk messages list ESESESGSSS To send a list of messages to your UDI In the UDI menu select Setup gt PC Connection gt Enable 2 Verify that the UDI is connected to the PC by looking at the UDI connection status sign on the UDI display 3 Click Send to UDI The list gets sent to the UDI 4 When the process in completed the following message appears pa The new Messages list sent to UDI successfully 5 Click OK to return to the Update y
32. evert to factory setting In case you need to revert to the original UDI factory settings press the Up Down and Enter buttons simultaneously when the UDI is off Wait for the UDI to turn on All customizations and settings you have done will be erased and UDI will turn on with the original factory settings 37 Base boat unit The boat unit is an optional component of the UDI system It is used for text message communication with the underwater divers and its homing capabilities allow divers to navigate their way back to the boat The boat unit is shown below 1 External connectors for 5 Alarm light siren and light 2 LCD display glass protector 6 Antenna connector 3 Up and Down scroll buttons 7 Network selection buttons and lights 4 Enter button 8 Power charge connector 9 USB connector 38 The boat unit Antenna is shown below The UDI boat unit contains the following functions e Electronic compass e Message sending receiving e Homing beacon e Dive logger Use of these functions is explained below Charging the UDI boat unit UDI uses a rechargeable internal battery You can use the boat unit running on a battery or connected to a power supply Connect the power adapter to the power connector on the UDI boat unit to recharge the battery or to use the unit NOTE Read Lithium Polymer Charging Handling Safety Information on page 3 WARNING The UDI boat unit i
33. g a point of reference prior to showing you the direction of the target beacon on the UDI The differences in the two methods are illustrated below One Step method Recommended 1 Starting location of diver 3 Beacon location 2 Course adjustments Two Steps method Coy 1 Starting location of diver Circle a point of reference 1 1 2 times to acquire vector 2 Course Azimuth vector 3 Beacon location 32 To enter Navigation mode e From the UDI Main menu select Navigation and press Enter To exit the Setup menu and return to the Main menu select Main and press Enter Navigation mode and method Navigation is used to dive to a homing beacon or to a unit transmitting an SOS signal to provide assistance You must select the tracking mode and the tracking method to use the UDI Navigation feature 1 From the Navigation menu NAVIGATION select SOS track to track an SOS beacon or Homing 1 SOS track track to track a Homing 2 Homing track beacon 3 Mask Homing 2 Press Enter 3 Select One Step method or NAVIGATION MODE Two Step method and press Enter p One Step method Two Step method 4 The Navigation display 1 3 258 opens The example shown here is N POSUI 40 for Two step navigation Azim 1809 Main Using the Navigation display In the One Step method the display shows the track to your target Keep an eye on the track to navigate
34. he UDI is a completely sealed unit It may stop functioning if opened The warranty will be void if the unit is disassembled or the seal is broken Ensure that the UDI is fully charged before your dive Charge the battery for 12 hours prior to the first time you use the UDI To charge the UDI Ensure that your hands the UDI and the charger are dry Connect the quick adapter to the UDI 1 Connectthe power charger to the quick connector 2 Connect the power charger to a power supply The green LED will turn on The charge is complete when the green light on the quick connector turns off A NOTE A steady or flashing red LED indicates a problem with the charger or the battery Disconnect the charger and repeat steps 2 to 4 If this does not resolve the problem return the unit for service Connecting the UDI to the PC You can connect the UDI to the PC to perform data transfers and dive simulations using the DiveSim application See page 48 for information on using DiveSim To connect the UDI to the PC 1 Connectthe quick connector to the UDI 2 Connect the USB cable to the quick connector 3 Connect the USB cable to the computer A NOTE Ensure that you have properly installed the DiveSim software to be able to use this function To activate the connection to the PC you must enable this option on the UDI See page 20 Using the UDI Turning UDI On and Off To turn the UDI on 1 Press and hol
35. he entry box and type the name of a new user e Click Clear to delete the name of a user e Click Save when you have finished editing the list The list appears on the right side of the Your UDI Users tab and is saved on your PC Edit Users Group name Nest Weeks Dive Class Users UDI net connected User 02 Dohn Clear User 02 Brad User 03 Denny pron ges Please note W ding Sendt All available users list User 04 Amanda PT dete Next Weeks Dive Class users User User 06 Sarah User 07 Armin User 03 fh 9 cler User 09 s Clear User 10 clear A W Clear Lati W Clear pla W Clear User 14 cr Save Cancel 54 NOTE The update is done on both user and messages tables simultaneously Therefore you should finish editing both tables prior to performing the update To send a list of users to your UDI 2 Inthe UDI menu select Setup gt PC Connection gt Enable 3 Verify that the UDI is connected to the PC by looking at the UDI connection status sign on the UDI display 4 Click Send to UDI The list gets sent to the UDI 5 When the process in completed the following message appears The new Users list sent to UDI successfully 6 Click OK to return to the Update your UDI window To modify you list of UDI Messages 1 Click Update your UDI and click the Your UDI M
36. he eoan 38 Alea 25 li Enter button for 5 seconds to see this display MAX Depth 37 0 Time to surface 1 5 MAX Depth 37 0 Time to surface 1 5 Ceiling 22 Deco Time 12 Dsafe 12 Safe Time 6 A A or Y displays in the bottom left quadrant accompanied by a tone to inform you to go up or down when you overstep the bounds of decompression or safe diving time Dive computer parameters Battery Indicator Battery energy level Buddy Name of buddy who will receive messages by default Ceil Ceiling height for Decompression stop The minimum depth allowed while in decompression stop in steps of 3 meters Deco time Decompression time in minutes Depth Current Depth indicator Indicates current depth Dive time Duration of current dive in minutes Safe Indicates Safety stop dept between 3 6 meters Stop Indicates Deep stop depth in a layer of 3 meters below the Deep stop EAN Enriched Air Nitrox indicates mixture percentage Fly Time The minimum time required prior to flying in Hours format HH MM Heading Heading direction in degrees from north Mdepth Maximum depth achieved in current dive Net Network used for communications No Deco The remaining time before getting into decompression situation at the depth shown in minutes PO2 Depth Maximum depth allowed before Oxygen toxicity related to the PPO2 pressure between 1 4 to 1 6 Atm Safe time Safety stop tim
37. il the time you need it to return to the boat station NOTE Masking the homing beacon does not mask any SOS beacons that may be activated during a dive To mask a homing beacon NAVIGATION 1 From the Navigation menu select Mask Homing and 1 SOS track press Enter 2 Homing track MASK HOMING 2 In the Mask Homing menu select Enable to mask the 1 Enable beacon and press Enter 2 Disable When you enable Mask Homing a small M is shown in the lower right corner of the LCD display 36 Care and maintenance UDI requires very little care or maintenance After every dive wash and wipe down the UDI and make sure that the contacts are dry prior to confectioning the UDI to the charger or the PC Do not use a water jet or pressure from hose to clean the UDI to prevent damage to the UDI mechanism Periodically the UDI may need to be serviced at an authorized laboratory for calibration and battery replacement Consult the UDI webpage for information The UDI display protective sticker may get scratched and can be replaced The UDI can be removed from its housing for display housing replacement as shown in the diagram below Remove the cover by unscrewing the tops from the two hinge screws and pulling the hinges out of the housing This frees the housing and allows you to remove it from the UDI unit You can then pop the protective cover out and replace it with a new cover R
38. inherently dangerous and proper safety procedures demand that you never rely solely on just the UDI or any other single instrument method or mechanism for human safety or the safety of property BATTERIES DISCLAIMER Lithium Ion Batteries can catch on fire The UDI uses Lithium Ion batteries therefore it should NOT be left unattended while being charged as THEY CAN CATCH ON FIRE Proper precautions should be taken before charging Lithium ion batteries such as having a fire extinguisher ready and placing the batteries in a fire safe container THE UDI IS NOT A TOY AND SHOULD BE HANDLED WITH GREAT CARE Lithium Polymer Charging Handling Safety Information Charging Lithium Polymer and Lithium Ion batteries have specific charging requirements and ONLY the chargers rated for these cells may be used The best charger for the UDI is provided in the pack that you purchased Other chargers may alter the settings and can damage cells or cause a fire due to over voltage charging of cells We recommend that you use only the charger that was provided with the UDI Lithium Polymer Lithium Ion cells are a tremendous advance in battery technology for electronic devices However due to the chemistry of lithium cells there is a possibility of fire if charging is not properly done It is unavoidable due to the nature of lithium itself This is no different from many things we use in daily life knives kitchen cleaners automobiles for
39. ion or for any other damages whether direct indirect or consequential even if UTC has been advised of such actual or potential damages UTC products are authorized for use only by certified recreational divers who have maintained a sufficient level of knowledge and skill proficiency through a combination of formal training ongoing study and experience The user must understand that the product is liable to sudden failure THE SPECIFICATIONS AND INFORMATION REGARDING THE DIVING COMPUTER IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCT NOTWITHSTANDING ANY OTHER WARRANTY HEREIN ALL DOCUMENT FILES AND SOFTWARE OF UTC ARE PROVIDED AS IS WITH ALL FAULTS UTC DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL UTC BE LIABLE FOR ANY DIRECT OR INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INJURY DEATH INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS DIVING COMPUTER EVEN IF UTC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Underwater operations are
40. ions to set the time ring volume light and units on your UDI Clock Use this option to set the time and date 1 Press Enter to select a time unit 2 Use the Up Down buttons to set the appropriate value 3 Press Enter to move to the next time unit on the list 4 Repeat 5 When you have set the year value press Enter to return to the UDI Setup menu Audio CLOCK SETUP 11 Hour 16 Date 3 Month 8 Year 2007 Use this option to select an audio alert volume Audio alerts sound to get your attention to the dive computer under various events during a dive There are four levels of alert e High e Med High e Med e Low Select a ring level and press Enter Backlight Use this option to select the time until the UDI backlight turns off Shutoff interval of 5 seconds range from 0 off to 55 seconds and INF infinite when the backlight remains constantly lit AUDIO 1 High 3 Med NOTE Extended use of the light may reduce battery time between charges Use the Up Down buttons to define a time value and press Enter BACKLIGHT TIMER Timer 10 sec 23 LED Control Use this option to turn on or off the LED control which allows the LED on the UDI to blink when there is an audible alarm or when a signal is received ET ES p LED CONTROL elect Enable or Disable and press Enter 1 Enable 2 Disable The Default Enable LCD Contrast
41. it might fail spontaneously and unexpectedly due to component batteries or software failure As an acoustical device based system it can fail at any time due to changing environmental acoustic conditions By purchasing or using the UDI system it is agreed and understood that in no event will Underwater Technologies Center Ltd UTC or any of their representatives be held liable for any personal injuries or death or damages to property resulting from its operation or for any other damages whether direct indirect or consequential even if UTC has been advised of such actual or potential damages UTC products are authorized for use only by certified recreational divers who have maintained a sufficient level of knowledge and skill proficiency through a combination of formal training ongoing study and experience The user must understand that the product is liable to sudden failure Underwater operations are inherently dangerous and proper safety procedures demand that you never rely solely on just the UDI or any other single instrument method or mechanism for human safety or the safety of property REMEMBER YOU ARE RESPONSIBLE FOR YOUR OWN SAFETY DIVING COMPUTER DISCLAIMER As you probably know and it is true for every device of diving equipment including all dive computers underwater and other underwater equipment the Underwater Digital Interface UDI abilities are not limitless There are certain limitations and rest
42. l for information There are five conservative levels Model 4 PPO 1 40 ATM Most conservative Model 3 PPO 1 45 ATM Model 2 PPO 1 50 ATM Recommended Model 1 PPO 1 55 ATM Model 0 PPO 1 60 ATM Least conservative NOTE UTC strongly advises the default use of Model 2 which gives full RGBM effect The dive model level considers several factors that may affect susceptibility of a diver to decompression illness These factors vary between divers for the same diver from one day to the next and are also highly dependent on the health conditions of each diver UTC had not developed a decompression calculation model We are licensed to use the RGBM model as was defined and developed by Dr Bruce Wienke In no case UTC will be liable to any damage of phenomena related to decompression thickness The 5 step dive model allows you to set your personal adjustment mode Some of the personal factors that could affect susceptibility of a diver to decompression illness include e Cold water temperature less than 20 C 68 F e Physical fitness level e Fatigue e Hydration level e Stress e Obesity e Previous history of decompression illness RGBM MODEL Select the appropriate model and press Enter 1 Model 1 The default Model 2 3 Model 3 Deep stops Deep Stops are decompression stops that occur deeper than the traditional safety stop with the purpose of minimizing micro bubble formatio
43. lates the i decompression stop for at least depth 15 4 25 1 minute or is out of bounds by at 32 0 PON least 2 meters 6 5 feet from the decompression depth the UDI locks the dive computer and continue only as a timer and depth meter DECO VIOLATION ERROR Zion In case of severe decompression violation UDI will stay locked for the next 48 hours after the end of the dive Using the Compass The electronic compass display can be used to navigate and orient yourself underwater This compass is accurate within 2 from the magnetic North The electronic compass accuracy is influenced by the presence nearby metal bodies and may be biased dramatically See Care and maintenance on page 37 for information on periodic recalibration of the electronic compass 29 To see the compass display e From the Main menu select Compass 13 25 E 25 5 Xx 1 Magnetic North 4 Depth 2 Heading direction 5 Back to Main menu 3 Time 6 Your heading Degrees To exit the compass display e Select Main and click Enter Sending and receiving text messages Messages are pre set using the PC connection and UDI software To modify the pre set message list see page 55 You can send messages to your buddy or other UDI users on the same network using the Send Message function To enter the Message menu e From the Main menu select Messages and press Enter To exit the Messages menu and return to the Main menu
44. n and excitation You can choose the RGBM deep stop algorithm in addition to the traditional recommended safety stop Traditionally for every dive deeper than 8 meters 26 feet the diver should make a safety stop for 3 minutes between 3 6 meters 9 19 feet The RGBM model calculates deep stop iteratively placing the first stop about halfway between the maximum depth and the ceiling depth After the first deep stop is completed another deep stop will be prompted halfway to the ceiling and so on when the last deep stop is placed at 5 meters 17 feet for 2 minutes The duration of each deep stop is increased by one minute from one deep stop to another with the first deep stop duration being one minute When you enable Deep Stops the traditional recommended safety stop is applied for a dive of less than 30 meters 98 feet For dives deeper than 30 meters 98 feet the Deep Stop algorithm is applied in addition tothe traditionally safety stop A NOTE Deep Stops improve the diver safety While ignoring these stops will not result in penalty during repetitive dives we strongly recommend that the diver use these stops DEEP STOPS Select to Enable or Disable deep stops and press Enter 1 Enable 2 Disable The default Enable Dive Plan The Dive Plan shows the calculated no decompression time at the selected depth and the maximum depth related to PPO toxicity based on the RGBM settings selected and current
45. our UDI window 56 Appendix RGBM Model The Reduced Gradient Bubble Model is an algorithm developed by Dr Bruce R Wienke that is used to calculate the decompression stops needed for a particular dive profile It assumes asymmetric off gassing and compensates for nitrogen microbubbles which can reduce the rate of off gassing The RGBM has gained tremendous popularity in the recreational and technical diving worlds in just the past few years The RGBM algorithm considers various factors including the maximum depth reached during the dive and the length of time underwater For repetitive dives it also includes the surface interval or the time spent above the water between the previous dive and the start of the current dive This information is used to calculate the amount of residual nitrogen build up in the diver s tissues after completing a dive The RGBM e Monitors continuous multiday diving e Computes for closely spaced multiple dives e Computes for a dive that is deeper than the previous one e Adapts for rapid ascents which build up microbubbles The algorithm provides additional safety features though its ability to be set for a variety of situations and dive profiles Depending on the situation the RGBM adapts decompression data by e Reducing no decompression stop dive times e Adding mandatory safety stops e Increasing decompression stop times e Increasing the surface interval The UDI allows the diver to choose
46. ractice and recharge the UDI after you reach the surface Empty battery during dive If the battery status becomes f empty during a dive the battery dep ed 25 icon starts to flash in addition to the UDI sounding an alert tone max 32 0 dive time This indicates that the UDI can 124 24 continue to work for a half hour Noches with 1 transmission every 4 minutes WARNING Start ascent immediately according to safe diving practice and recharge the UDI after you reach the surface 28 Fast ascent The maximum ascent rate is limited to 10 meters 33 feet per dph 15 4 minute In case of violation the UDI will max 32 sound an alert and flash SLOW in the display in the center of the screen os d dive time 5 Deco time Use the ascent bar below the battery indicator to guide your ascent Maximum ascent rate allowed is reached when the bar is full NOTE A fast ascent can affect the calculations for subsequent dives In these cases subsequent dives will be calculated using more conservative factors Safety stop and Deco stop violation In case the diver over steps the E minimum ceiling depth of the deco denn Dub 25 stop or the minimum depth of the dive time safety stop the UDI sounds an mx 32 0 alert tone and displays an arrow aV 3 0 5 that points down i Deco time Severe decompression violation If the diver vio
47. rictions of which you must be aware and certain precautions you must take when using the UDI as a diving computer Please read carefully all warnings in this chapter and this disclaimer The UDI is a computation hardware device combined with software SOFTWARE applications The diving computer is implemented with software and sensors such as depth sensor The UDI uses the Reduce Gradient Bubble Model an algorithm that was developed by Dr Bruce Wienke from the Los Alamos Institute United States the algorithm is used by other diving computers too The UDI is not a primary device but only an aid to calculate along the dive the time and depth and to suggests how your planed dive meets the actual dive The UDI is not a device of life support gear and should be used as such device The main danger in the use of UDI is over reliance on the information provided by it As lies in an electronic system it might fail spontaneously and unexpectedly due to component batteries incorrect charging or software failure In addition the UDI also contains acoustical functions hence as an acoustical device it can fail at any time due to changing environmental acoustic conditions By purchasing or using the UDI system it is agreed and understood that in no event will Underwater Technologies Center Ltd UTC or any of their representatives be held liable for any personal injuries or death or damages to property resulting from its operat
48. s it becomes disabled to prevent any damage to the UDI in case you forget to disable the PC connection option To use PC Connection Connect the quick connector to the UDI Connect the USB cable to the quick connector Connect the USB cable to the PC computer On the UDI Setup menu select PC Connection Select Enable press PC Connection Enter to enable the PC Connection A PC indication appears at 2 Disable the bottom right corner of the display while the UDI is connected to the PC UT DON EI NOTE Communication with the UDI is done using the DiveSim software provided with your system See DiveSim software on page 48 for details 20 List Sync Use this option to synchronize the users list and messages list with other UDI users in the group 1 Place the UDI units with the antennas touching or as close as possible to each other 2 In the Setup menu of each unit select List Sync and press Enter 3 Select UDI Status and press DIRECT LIST SYNC Enter The UDI Status menu opens 1 UDI Status 2 Start Sync 4 Select whether your UDI will 3 Setup be sending synch data or receiving synch data and press e Set the receiving UDI 1 Sending unit to Receiving e Then set the sending unit to Sending 5 In the Direct List Sync menu DIRECT LIST SYNC select Start Sync to start the synchronization process 1 UDI Status Always make sure th
49. s a completely sealed unit It may stop functioning if opened The warranty will be void if the unit is disassembled or the seal is broken Connecting the UDI boat unit to the PC You can connect the UDI boat unit to the PC to perform data transfers messages table users table using the DiveSim application See page 48 for information on using DiveSim To connect the UDI boat unit to the PC Connect the USB cable to the computer NOTE Ensure that you have properly installed the DiveSim software to be able to use this function 39 Turning UDI boat unit On and Off To turn the UDI boat unit on 1 Press and hold the Enter button for about 4 seconds The UTC Proprietary screen opens the buzzer is heard and the LED is blinking 2 Press the Enter button again The current settings screen opens 3 Press the Enter button again The setup menu opens After a few seconds the dive computer displays To turn UDI boat unit off Press and hold the Enter button for about 4 seconds The UDI turns off Scrolling the menus To scroll through the menu options press the Up or Down buttons To select an option press the Enter button UDI Boat unit main menu The main UDI menu allows you to access UDI functions The main menu flowchart is shown below 1 Messages j 2 Compass M 3 Homin 4 Setup The various functions are described in detail as follows e Messages see page
50. s all network channels and have a longer range than ordinary communications signals If you receive an SOS signal your UDI boat unit sounds an audible signal and the SOS message is automatically displayed The SOS message identifies the user sending the SOS the network SOS DETECTED and the depth of the sender Brad In the example on the right the sender is Brad at a depth of 32 Depth 32 m meters Click Enter to turn off the audible signal Remote homing Remote SOS The boat unit contains the ability to send a remote SOS signal to a UDI user Failure to respond and cancel the request by the user receiving a remote SOS causes the receiving user UDI to start sending SOS transmit the signal To activate the remote SOS In the Message menu select MESSAGES Remote SOS or Remote Homing from the list by scrolling with the 14 Remote SOS Up Down buttons then click Enter Click Send The message is sent 43 Setting up the UDI Boat Unit Use the Setup menu to set up the UDI Boat Unit for the following features e PC Connection Connect to a PC for use with the DiveSim software e List Sync Synchronize message lists with other UDI units see DiveSim software page 48 for details e UDI Set UDI parameters clock audio light The Setup menu flowchart is shown below 2 Bucdy Select 3 UDISetup To enter the Setup menu 1 From the Main menu use the Up Down buttons
51. see 9 is greater or equal 4 2 Swim direction your heading 8 Start restart tracking This is useful if 3 North you suddenly loose the beacon 4 Time 9 Doppler value bar shows that you are 5 Acquis current track step approaching getting closer to the target Will be changes to TRACK after the first step is successfully finished 6 Azim Azimuth Course direction to 10 Doppler value shows how quickly you beacon degrees from North are approaching positive numbers or moving away negative numbers from the target 34 SOS Signals Unlike other UDI signals SOS signals are activated across all network channels and have a longer range than ordinary communications signals In the event of an emergency you can activate your SOS signal by pressing the red H Help button on your UDI for several seconds An SOS signal is sent to all UDI users in the area EMERGENCY HELP BUTTON Other UDI users can then home in and navigate to your location using the Navigation feature of their units If you receive an SOS signal your UDI unit sounds an audible signal and the SOS message is automatically displayed The SOS message identifies the user sending the SOS the network and the depth of the sender SOS DETECTED In the example on the right the User 1 sender is User 1 at a depth of 32 meters Depth 32 m Click Enter to turn off the audible signal UDI
52. select Main and press Enter Sending a message The UDI unit can sent one of the 14 user preset text messages to other UDI users To send a text message 1 In the Messages menu select MESSAGES New Message then click 5 Main Enter 1 New Message 2 User to Send 2 In the Message list choose a MESSAGES message by scrolling with the Up Down buttons Click Enter 3 Boat above you 30 3 In the Messages menu User to Send is selected Click Enter 4 In the Send To menu choose a user by scrolling with the Up Down buttons Click Enter 5 Inthe Messages menu Send is selected 6 Click Enter The message is sent You are automatically returned to the Main menu Viewing last message 1 In the Messages menu select Last Msg Rcv 2 Click Enter The last message received is shown and identifies the sender and network used 3 Use the Up Down buttons to scroll the last five messages received Receiving a message When you receive a text message from your buddy or another UDI user your UDI unit sounds an audible signal and blinking light if enabled and the message is automatically displayed The received message identifies the message sender Only if the message is an SOS The depth of the diver sending the message is also displayed in the message In the example on the right the sender is Brad at a depth of 8 3 meters Click Enter to turn off the audibl
53. showing Copy Succeed UDI Boat unit setup Use the UDI Setup menu options to set the time ring volume and backlight duration on the UDI boat unit Clock Use this option to set the time and date 45 1 Select a time unit CLOCK SETUP 2 Use the Up Down buttons to 41 set the appropriate value howe 16 3 Press Enter to move to the s next time unit on the list Year 2007 4 Repeat 5 When you have set the year value press Enter to return to the UDI Setup menu Audio Use this option to select an audio alert volume Audio alerts sound to get your attention There are four levels of alert High e Med High e Med e Low AUDIO Select a ring volume and press i Enter 1 High 2 Med High 3 Med An external siren and flashing light can also be connected to the unit external connectors Backlight Use this option to select the time until the unit backlight turns off Shutoff interval ranges from 0 off to 55 seconds in 5 second intervals and INF infinite when the backlight remains constantly lit A NOTE Extended use of the light may reduce battery time between charges BACKLIGHT TIMER Use the Up Down buttons to define a time value and press Timer 10 sec Enter LED Control Use this option to define the Alarm LED light intensity In day time you may want higher intensity than in the night The default value is 50 intensity LCD Contrast Use
54. this option to select a contrast level for the LCD display The contrast interval ranges from 1 very little contrast to 7 high contrast 46 LCD CONTRAST Use the Up Down buttons to define a contrast value and press Contrast 7 Enter Make sure there are no strips seen on the screen Units Use this option to select Metric units meters degrees C or Imperial units Feet degrees F as your unit of measurement UNITS Select Imperial or Metric and press m Enter All units displayed on the 1 Imperial UDI will now conform to the unit 2 Metric type chosen NOTE The temperature displays according to your units selection When you select Feet Fahrenheit degrees are shown when you select Meters centigrade degrees are shown About UDI Use this option to view the UDI serial number and software version installed Use this information when contacting UTC about your UDI Boat unit ABOUT UDI 31 05 2008 S N B20 111007 19 36 Version Ver 25 01 2008 Care and maintenance The UDI boat unit requires very little care or maintenance After every dive wash the antenna and antenna cable Wipe down the UDI boat unit and make sure that the connectors are well covered using caps and are dry prior to connecting the UDI to the charger or the PC Do not use a water jet or pressure from hose to clean the UDI to prevent damage to the UDI mechanism Periodic
55. to your target You should dive in a slight zig zag direction to allow for more accurate navigation towards your target In the Two Steps method swim 1 1 2 times around a fixed location to allow the UDI to acquire a course Once the course is acquired keep an eye on the beacon relative direction to make sure that you are not swimming away from your target 33 The navigation display for one step navigation is explained below Q 1 Beacon direction relative to your 6 Ascent bar shows you the limits of your heading Will appear in the first time ascent rate only if the Doppler value see 9 is greater or equal 4 2 Swim direction your heading 7 Start restart tracking This is useful if 3 Time you suddenly loose the beacon 4 Track current track direction 8 Doppler value bar shows that you are approaching getting closer to the target 5 Lock the course you need to follow 9 Doppler value shows how quickly you are to arrive at the beacon approaching positive numbers or moving away negative numbers from the target The navigation display for two step navigation is explained below Q O ACQUIS N 10 5 Azim 1809 Start Main DO 1 Beacon direction relative to your 7 Ascent bar shows you the limits of your heading will appear ONLY after the ascent rate first step is successfully over Will appear in the first time only if the Doppler value
56. troduction Congratulations on your purchase of the UTC Underwater Digital Interface UDI System UDI is a device that contains several functions used for diver safety communication and computation To active your warranty and allow us to update your UDI software from time to time please visit our web site www utc digital com and fill the online registration card The system consists of the UDI diving unit an optional UDI boat station and the DiveSim software The UDI and optional boat unit contain the following functions e Text messages communication device SOS signal transmission and reception Navigation unit and homing device Dive computer on the dive unit only Compass The DiveSim PC software can be used in conjunction with the UDI to plan dives review dive data and simulate dives The software can also be used to update text message lists and other housekeeping functions The DiveSim is used also to manage dive log files The UDI text messaging system links divers through transmission of pre set messages with ease and reliability at ranges of up to 500 meters depending on environmental conditions Upon receiving a message signal the UDI unit sounds an audible alert and lights up to show the message The SOS signal can be activated by a diver in distress or remotely by any diver who suspects that his buddy is in distress Upon activation of an SOS signal the UDI transmits information needed to
57. y contains a current and maximum depth indicator a battery indicator compass surface interval time SIT and fly time displays as well as additional parameters depending on the dive characteristics The dive computer display is the normal display mode that you use while diving From the dive computer you can e Press the Up button to review your RGBM setup e Press the Down button to review additional dive data e Press the Enter button twice to go to the Main menu The dive computer display is different when the UDI is on the surface and when the UDI is underwater Surface display On the surface the dive computer display shows the following Depth 0 0 Net 2 i Budgy EAN 219 Use 1 PO2 go GT cese Depth p 1 Current Depth and EAN indicator 3 Battery indicator 2 Network amp Buddy indicator 4 Oxygen toxic limit depth 5 Surface interval time Underwater display Underwater computer alternates between several displays depending on your actual dive parameters Dive has not reached Depth 15 4 Dive oe decompression time Time Dmax 32 0 Sue 15 Dive has not reached decompression time Press the Enter button once to see this display The display stays on for 7 seconds and then returns to the original display Safedepth 22 SafeTime 25 Dive has reached ii decompression time Current Depth 33 4 Dive Time 25 Dive has reached decompression time Hold t
58. y contains the Up and Down buttons that serve a similar function to the Up and Down buttons on the UDI unit e Click the Up button to see the RGBM setup parameters e Click the Down button to see the last diver parameters The left side of the Dive computer display contains the simulator controls which are used to simulate a dive Up arrow moves the diver up Down arrow moves the diver down Forward arrow maintains the diver at the selected depth Pause button pauses the simulation When paused the button is red Database function The Database function is used to load and maintain dive data information on the PC The database function contains 3 tabs e PC Simulator log e UDI Simulator log UDI Logbook on PC UDI not connected PC Simulator Log File name To view a log simulation select a log and press Load dive or double click a log UDI devices Simulator Log To view a log simulation select a log and press Load dive or double click a log UDI Logbook on PC W delete UDI Date time and index Load dive Each of these tabs contains a table with a list of Files Devices and Time Data and Index data Data can be loaded to the database using the Load Dive button A database entry can be deleted by selecting it and clicking the x delete button 52 Manage UDI log The Manage UDI log function allows you to manage and save dive log data from your UDI to the PC To manage your UDI
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