Uwatec MANTIS, User Manual

Page 1: ... MANTIS User Manual ...

Page 2: ...ompressed air is extremely dangerous and could lead to serious injury or death MANTIS is delivered at deep sleep mode where the display is off You must activate the MANTIS by press and hold the SEL button before the first dive MANTIS does not start the dive mode or may show a wrong depth value if activation is not done before the immersion MANTIS dive instrument is a personal protective equipment ...

Page 3: ...0 4 1 1 Surface interval counter 22 4 2 Gas settings 22 4 2 1 Set Gas 1 2 or d 24 4 2 2 Enabling the CCR mode 25 4 2 3 Nitrox reset time 25 4 2 4 Heart rate limits 25 4 2 5 Desaturation reset 26 4 3 SCUBA settings 26 4 3 1 Maximum dive depth alarm 27 4 3 2 Maximum dive time alarm 27 4 3 3 Setting the Micro Bubble level 27 4 3 4 Units 27 4 3 5 Selecting the salt sea or fresh water 28 4 4 Apnea sett...

Page 4: ...ithm 42 4 8 8 2 Prohibited altitude 43 4 8 8 3 Decompression dives in mountain lakes 43 4 8 9 Warnings and alarms 43 4 8 9 1 CNS O2 75 44 4 8 9 2 No Stop time 2 minutes 44 4 8 9 3 Entering decompression 44 4 8 9 4 MB LEVEL ignored 44 4 8 9 5 Ascent rate 45 4 8 9 6 MOD ppO2 45 4 8 9 7 CNS O2 100 46 4 8 9 8 Missed decompression stop 46 4 8 9 9 High workload 46 4 8 9 10 MB LEVEL reduced 47 4 8 9 11 L...

Page 5: ...nformation of this instrument MANTIS is a technologically advanced instrument that can accompany you during your underwater adventures while providing you with accurate depth time and decompression information On the surface its size makes it your ideal everyday companion With features such as wake up alarm stop watch barometer altimeter and swim mode MANTIS can tackle almost every possible task T...

Page 6: ...ing the battery change operation be carried out by your SCUBAPRO dive retailer See chapter Replacing the battery in MANTIS in this manual for information on how to replace the battery 2 OPERATION MODES The reference point for any description of MANTIS as a watch is the main time of day display This is the display in which the current time is shown on the middle row The upper row shows the day of t...

Page 7: ... conditions F NOTE Thermometer reading when worn at the wrist against the skin the reading is influenced by body heat The function of the buttons on the surface is summarized in the table below and explained in detail in the following sections TIME DATE STOP watch function Planner pages ALTI BARO meter PLANner LOG DIVE mode Watch Set Dive settings menus Clock settings menus UP UP UP UP UP UP UP DO...

Page 8: ...return to previous menu or cancel the setting 3 1 Clock setting functions By pressing the DOWN button once from the main time and date display and selecting the SET menu by pressing the SEL button you will get into the clock settings See chart below SET alarm clock UTC SET 24h or AM PM SET Time SET date SET Sound off CHECK battery state WATCH SET SEL DOWN DOWN DOWN UP UP UP UP UP UP DOWN DOWN DOWN...

Page 9: ...battery status display or when the battery symbol is blinking in other displays 3 1 2 Setting the UTC The UTC setting will change the shown time compared to Greenwich 0 Meridian This feature is practical when travelling through different time zones By pressing SEL the hours will start blinking You may edit them with UP or DOWN buttons in a range of 14h 13h By pressing SEL the minutes will start bl...

Page 10: ...he SEL buttons the year after the dot starts blinking By pressing SEL button the date will be confirmed 3 1 6 Setting the sound off silent mode ON ATT ALR OFF By pressing the SEL button the current setting will start blinking at the bottom row By pressing UP or DOWN buttons you may select between the normal mode ON where alarm and button tones are on or the silent mode OFF where all tones are off ...

Page 11: ...intelligent battery algorithm will limit some functions towards the end of the battery lifetime See the table below for the status and functions Indicator in battery status display At other displays Battery status Function limitations 00000 Fresh battery none 0000_ Battery ok for diving none 000__ Battery ok for diving none 00___ Battery symbol Weak battery change to fresh Backlight not operating ...

Page 12: ...tery to a fresh one before making any new dives WARNING When battery is critically low the watch and dive settings are disabled menu off 3 2 Menus and functions at the surface By simply pressing UP or DOWN buttons from the time of day display you can scroll through the various menus in MANTIS The diagram below shows the sequence of the menus Note that when you first reach a menu you are not yet in...

Page 13: ...UP UP UP 3 2 1 Using the stopwatch By pressing SEL button the stopwatch will be activated In the first display the stopwatch shows the status which can be stop run or lap By activating the stopwatch first the time display will be as shown below Press UP button and the stopwatch starts counting and shows actual state which is run By pressing UP button again the stop watch stops counting and shows a...

Page 14: ...to continue from the same display at a future time F NOTE Stopwatch has a 30 minute timeout before reverting to normal watch display However the timeout does not stop the stopwatch function You can return to the stopwatch menu and continue with the time taking task just as you did before the timeout happened 3 2 2 Reading the altitude barometer and temperature values In the altitude menu the curre...

Page 15: ...pcoming hours if your altitude remains the same The altitude can be adjusted when current elevation is known by pressing the SEL button The altitude value will start blinking By pressing UP or DOWN buttons the value can be adjusted in 10m 50feet increments Adjusting the altitude elevation has no effect on the Altitude Class F NOTE Different combinations m C Ft C m F or Ft F can be selected from th...

Page 16: ...econd dive during the desaturation phase you must start the Planner by inputting the time you would still stay at the surface By pressing the UP or DOWN buttons you can set the time in 15 minutes increments The prohibited altitude is shown on the top row By increasing the surface interval the allowed limit will reach maximum level 4 To learn more about altitude diving with MANTIS refer to the chap...

Page 17: ...ceed the maximum recommended 100 F NOTE If MOD is shallower than 9m 30feet planning is not allowed and information LO MOD is shown By pressing SEL for planned depth the dive time starts blinking The start point minimum now is the no decompression time By pressing UP or DOWN buttons you may change the time in 1 minute increments Decompression time and total ascent time are shown on the middle row B...

Page 18: ...SEL SEL UP UP UP UP UP UP DOWN DOWN 3 2 4 1 Scuba log By pressing the UP button you get to latest dive exercise session and by pressing UP or DOWN buttons you can scroll the logs in memory In SCUBA mode there is a main page showing date display below shows 28th August 2013 immersion time 10 27 38 dive log number 9 and used oxygen content 32 In this display a too fast ascent used MB level or desatu...

Page 19: ...ated without correct decompression stops 3 2 4 2 Apnea log MANTIS organizes the APNEA dive training in a special way for easier data reading The repetitive APNEA dives are grouped in a specific section and the main page shows the first immersion date and time By pressing the SEL button the APNEA dive session opens The dives are shown in repetitive order display below 1 dive with max depth 8 5m and...

Page 20: ...decompression status water temperature and much more On the surface after a dive remaining desaturation time no fly time surface interval and prohibited altitude classes are shown in addition to the watch functions 4 1 Settings in the dive mode at surface When MANTIS is in surface mode you can access various menus dedicated to diving and customize various settings to your liking The dive computer ...

Page 21: ...P UP When you have not been diving with your MANTIS for a while no desaturation time left the dive mode may appear as shown below However in SCUBA mode after a dive the display may appear as shown below Remaining desaturation time on the middle row no repetitive dive time and allowed altitude classes on the top row From here by pressing the SEL button and scrolling with the UP or DOWN buttons you ...

Page 22: ...nterval counter After a dive the MANTIS shows the surface interval from the latest dive The surface interval counter counts until desaturation is complete After the desaturation is complete this menu disappears The remaining CNS is shown on the bottom row and the no fly time is shown in hours until this restriction is completed on the top row 4 2 Gas settings ...

Page 23: ...USER MANUAL SET GAS 2 SET SP 2 SET GAS 1 SET SP 1 SET GAS d SET bail CCR on off Nitrox reset time Pulse limits SET GAS Desat reset IF SET ON DOWN SEL SEL DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP UP UP UP UP UP UP UP UP ...

Page 24: ... on using Gas 2 and d Setting Gas d or Gas 2 are similar to Gas 1 Gas 2 can only be set if Gas d is enabled and set F NOTE Diving with a ppO2 higher than 1 4 is dangerous and may lead to unconsciousness drowning and fatal injury F NOTE ppO2 is fixed to 1 60 bar when selected oxygen content is 80 or higher Enabling the CCR mode will change the Gas 1 and Gas 2 settings to Setpoints and Gas d to bail...

Page 25: ...dive you can preset a default time when your MANTIS will reset back to air By pressing the SEL button the time shown on the bottom row starts blinking The time can be selected from 1 hour up to 48 hours or the nitrox reset time can be disabled by pressing the UP or DOWN buttons Gas reset time is disabled when h is shown F NOTE The Nitrox reset disables the Gas d and Gas 2 4 2 4 Heart rate limits B...

Page 26: ...next dive log the desaturation symbol will be shown By pressing the SEL button the selection on starts blinking By pressing the UP or DOWN buttons the desaturation can be deactivated and this state is indicated with the selection off When the off state is confirmed by pressing the SEL button the code page appears The first digit starts blinking and by pressing the UP or DOWN this can be edited By ...

Page 27: ...on or off by pressing the UP or DOWN buttons The selection is confirmed by pressing the SEL button 4 3 3 Setting the Micro Bubble level By pressing the SEL button in this menu the Micro Bubble level starts blinking By pressing the UP or DOWN buttons you may select personal setting from L0 up to L5 which is the most conservative setting The selection is confirmed by pressing the SEL button F NOTE M...

Page 28: ...enu the salt water on off setting on the bottom row of the display starts blinking You may scroll between these two settings by pressing the UP or DOWN button and confirm your selection by pressing the SEL button 4 4 Apnea settings Apnea diving related selections are grouped in this menu By pressing the SEL button the following menu s can be accessed TOTAL SESSION DEPTH SIF DUAL DEPTH ALARM DEPTH ...

Page 29: ...ressure depth square root of dive time SIF As a reference a few values are listed in the following table Dive depth Dive time Surface Interval m ft seconds seconds SIF 5 seconds SIF 20 10 30 40 63 253 10 30 60 77 309 20 60 60 116 464 30 90 80 178 716 40 120 90 237 949 F NOTE The actual depth and time are calculated during the ascent and descent this is not presented in the table above By pressing ...

Page 30: ...the you may scroll between the direction of the alarm or disable it with selections off dn down up or both By pressing the SEL button the settings will be confirmed 4 4 5 Setting the dive time interval alarm By pressing the SEL button at this menu the time starts blinking and by pressing the UP or DOWN you can select the interval from 15 seconds up to 10 minutes By pressing the SEL button the func...

Page 31: ... ascent speed alarm By pressing SEL in this menu the ascent speed starts blinking By pressing the UP or DOWN buttons you may select the value from 0 1 to 5 0 meters second 1 15 feet second By pressing SEL the value will be confirmed and the function starts blinking By pressing UP or DOWN you may select between enabling or disabling the alarm with the on off setting By pressing SEL the selection wi...

Page 32: ...ween SCUBA GAUGE or APNEA modes When MANTIS has not been submerged for a while the display looks like the illustration below The GAUGE and APNEA modes are not tracking the tissue saturation and there is a locking interval before a change to SCUBA mode is possible In GAUGE mode the locking interval is 48h after the last dive in GAUGE mode In APNEA mode there is 12h locking interval with shallower t...

Page 33: ... will automatically start to monitor the dive regardless of what state it was in prior to the immersion Details on the information displayed can be found in the next sections Dive time the dive time is displayed in seconds in APNEA mode and in minutes in SCUBA and GAUGE modes If during the dive you ascend to the surface the time spent on the surface will only be counted to the dive time if you des...

Page 34: ...lation the body heat is lost through the large skin area and as a consequence body regulates blood circulation in the skin and at the extremities to maintain the body s core temperature Past recommendations to add more conservatism to cold water dive profiles was based on the water temperature and or a dive suit thermal isolation estimation Now SCUBAPRO has taken the next step in diving and presen...

Page 35: ...h mb levels Microbubbles are tiny bubbles that can build up inside a diver s body during any dive and normally dissipate naturally during an ascent and on the surface after a dive Dives within no stop times or that observe of decompression stops do not prevent the formation of microbubbles in the venous blood circulation MANTIS is equipped with an enhanced SCUBAPRO algorithm named ZH L8 ADT MB tha...

Page 36: ...scend below this zone the PDIS counter is deactivated and MANTIS calculates a new PDIS depth If decompression is already required this information remains on the middle row In such a case the PDIS counter is not shown only the PDIS symbol and depth are blinking on the bottom row for the 2 minutes that are recommended for staying in the PDIS zone WARNING Even when performing a PDI stop you still MU...

Page 37: ...turation information from a recent dive is reset to zero the computer will treat the next dive as a non repetitive dive This is useful when the computer is loaned to another diver who has not dived in the last 48 hours Chapter Desaturation reset describes how to make the desaturation reset F NOTE After a desaturation reset the change between the modes GAUGE APNEA and SCUBA is possible immediately ...

Page 38: ...ax set by the user The CNS O2 clock increases when the oxygen partial pressure is higher than 0 5bar and decreases when the oxygen partial pressure is lower than 0 5bar Hence while on the surface breathing air you will always be decreasing the CNS O2 clock During the dive the depth at which 0 5bar is reached for various mixes is as follows Air 13m 43ft 32 6m 20ft 36 4m 13ft F NOTE For oxygen conce...

Page 39: ...e ppO2max is fixed at 1 6 bar and cannot be changed The MOD for Gas 2 and d are the switch depths for those gases This is what MANTIS uses for its calculations warnings and suggested switch points When diving with more than one gas mixture the Nitrox reset time function described in the section on Nitrox reset time has the following effect Gas1 is set to 21 Gas 2 and d are set to OFF F NOTE Start ...

Page 40: ...e fact that you will finish the dive without using the excluded gas F NOTE If after MANTIS has changed the decompression schedule to reflect the missed gas switch you descend again below the MOD for Gas d MANTIS reintroduces Gas d into the calculations and the decompression schedule changes accordingly 4 8 4 Delayed gas switch You can catch up on a planned gas mixture switch at any time by selecti...

Page 41: ... active on the way to the bottom or when the bottom depth is reached The SP switch depth is suggested by the dive computer the same way the gas switches are suggested in open circuit mode predictive gas switching The switch points are determined from the equivalent oxygen contents in open circuit mode So the SP1 is suggested to be changed on the way down when the equivalent content of the gas at t...

Page 42: ...tion of altitude and weather conditions This is an important aspect to consider for diving because the surrounding atmospheric pressure has an influence on on gassing and off gassing of nitrogen in your body MANTIS divides the possible altitude range into 5 classes that are illustrated in the picture below Altitude Class Elevation Barometric switch point Dive computer mode GAUGE no deco data SCUBA...

Page 43: ...nt altitude class as shown on the lower example F NOTE when the no repetitive dive symbol is on the planner on the middle row initially shows the time period when diving would be allowed again For planning the altitude excursion the interval time can be reduced which causes the prohibited altitude level to decrease MANTIS has an altitude warning if you were to reach an altitude that according to M...

Page 44: ...udible beeps for 12 seconds and the no stop time will blink The blinking will continue until you ascend sufficiently for the no stop time to increase to 6 minutes or until MANTIS enters into decompression 4 8 9 3 Entering decompression MANTIS can activate a warning when the first mandatory decompression stop appears This alerts the diver to the fact that a direct ascent to the surface is no longer...

Page 45: ...ft min 0 0 7 23 6 20 8 26 12 40 9 29 18 60 10 33 23 75 11 36 27 88 13 43 31 101 15 49 35 115 17 56 39 128 18 59 44 144 19 62 50 164 20 66 If the ascent rate is greater than 110 of the ideal value the SLOW symbol appears For ascent rates higher than 140 the SLOW symbol starts blinking MANTIS also provides an audible alarm in case ascent rates exceed 110 the intensity of the alarm increases in direc...

Page 46: ...ontinue until the value of CNS O2 drops under 100 The audible signal stays on for as long as the CNS O2 value equals or exceeds 100 or until youl reach a depth where the ppO2 is less than 0 5bar 4 8 9 8 Missed decompression stop WARNING Violating a mandatory decompression obligation may result in serious injury or fatal issue If in the presence of a required decompression stop you ascend more than...

Page 47: ...u of precarious battery situations in two ways By displaying a steady battery symbol on the screen This means you can finish the dive but you should replace the battery once you return to the surface By displaying a blinking battery symbol on the screen This means you need to start the procedure to terminate the dive as there is not enough energy in the battery to ensure proper continued functioni...

Page 48: ... time of the day After a dive the gauge mode surface display shows the dive time on the top row On the middle row the stopwatch is running from the dive start or last manual restart On the bottom row the maximum depth of the dive is shown After a 5 minute timeout the display changes to the GAUGE mode menu 4 10 APNEA mode MANTIS has an advanced APNEA diving mode The main features include faster a s...

Page 49: ...epetitive dive is done MANTIS reverts to the APNEA menu display When SIF is enabled the no dive symbol will be shown at the surface until this period has elapsed An audible signal is given after this When total session depth is enabled and the limit is reached the blinking no dive symbol is shown and an audible signal is given 4 11 SWIM mode It is sometimes practical to be able to measure a distan...

Page 50: ...setting on your MANTIS refer to the section on Heart rate limits and Skin temperature to learn how to do this After a dive rinse the heart rate belt in fresh water dry it and store in a dry place We recommend having the battery changed by an authorized SCUBAPRO dealer for HR belts with a battery cap With completely sealed HR belts the battery cannot be changed Check the operation conditions and de...

Page 51: ... PC Mac is possible only with a cradle A cradle can be bought from your Authorized SCUBAPRO dealer The communication between the MANTIS and the cradle is established via contacts to the case Therefore if the water contact or the spring contact on the cradle have surface dirt this should be cleaned with a piece of cloth before use To avoid scratching your MANTIS first place the contacts together an...

Page 52: ...rt of your dive logs Profile shows the graphical data of the dive Details about the dive where you can edit for example the equipment and tank information Location shows your dive site on the world map The selection tabs for views are on the left side of the main window 6 3 Change warnings settings of the mantis and reading the computer information By selecting Extras Read Dive Computer settings y...

Page 53: ...r and can be done by an authorized SCUBAPRO dealer Aside from that MANTIS is virtually maintenance free All you need to do is rinse it carefully with fresh water after each dive and change the battery when needed To avoid possible problems with your MANTIS the following recommendations will help assure years of trouble free service avoid dropping or jarring your MANTIS do not expose MANTIS to inte...

Page 54: ...ry is changed while MANTIS has remaining desaturation time the tissue data will not be lost but MANTIS will reference the last stored data set As a consequence the data displayed on the surface screen after the battery change desaturation time surface interval no fly time and CNS O2 may be different from the values displayed just prior to battery removal After replacing the battery you must set th...

Page 55: ...or higher In this manual air is considered as a particular type of Nitrox NO FLY Minimum amount of time the diver should wait before taking a plane No stop time This is the time that a diver can stay at the current depth and still make a direct ascent to the surface without having to perform decompression stops O2 Oxygen O2 Oxygen concentration used by the dive computer in all calculations PDIS Pr...

Page 56: ...g after diving 42 Gauge mode 47 Logbook 17 5 52 Maintenance 53 MB levels 35 55 Microbubbles 35 55 MOD 24 45 55 Mountain lakes 43 No dive warning 36 Nitrox 25 37 55 Nitrox reset 25 No fly time 22 42 55 Oxygen concentration 37 Oxygen partial pressure 37 PC interface 51 ppO2max 55 Safety stop timer 35 Log TRAK 52 SOS mode 37 55 Stopwatch 13 Surface interval 22 29 30 55 Technical information 53 Time o...