User's Guide
Contents
1. 56 Summary of Warnings and Alarms see 58 HOS WAT sts tator ete tede Fast Ascent Warning T POZ WOND dec utin Decompression Stop Violation Warning eee 59 Oxygen Bar Graph Warning 60 Outo Range WANING ois ce foie 60 Gage Mode seva ria da iege rrt RU 62 ies 62 CARE amp MAINTENANQCE eee eee ee eee ene 64 es b teet 64 Care during the dive 65 Care after the dive 65 Changing the 66 Pulse Owner s Manual FOR YOUR SAFETY All warnings and cautions are identified with the triangle symbol Whenever you see a warning or a caution read it carefully as it may protect you from serious injury or damage to the product Read the manual in its entirety before attempting to use the Pulse computer WARNING Decompression sickness aka the bends is an inherent risk of SCUBA diving Even if you properly follow all the instructions in this manual and dive within the recreational limits of SCUBA diving you still run the risk of getting decompression sickness or some other inherent risk of SCUBA diving Unless you are fully aware of these risks and are willing to personally accept and as sume responsibili2. PULSE Nitrox Dive Computer User s Guide Q Contents FOR YOUR SAFETY INTRODUTGZUTIQN ea on rone o s eee ea nae eee roe eran SECTION 1 Using the Pulse on the Surface 9 The Push BUONE reirei enn rire ea ara E AAT 10 Mode 11 Time Display Mode 12 Me aves 16 Low uere ort eer oak ess ese BEA E 16 Time Display Mode post dive sse 17 Wait to fly Guidelines 19 Setting the Time Date amp 12 24 Hour 20 Plan Mode Plan Simulator Plan Simulator Setang ALAMOS 30 Durning Alarms Off eee ie eto 30 Pulse Owner s Manual 31 Setting Dual TME 2 OA PEDIS 32 Logbook 34 35 ses vay ida se cosas ees ii tte deus 38 Logbook Page 3 40 Profile Mode 42 Transfer Data tee tetra ae 44 46 47 48 49 49 No decompression Dive Mode sse 50 Primary DSP ON 50 Alternate Display d 5a 52 Q UPN OLE 54 5 SOD 55 Decompression Dive
3. 32 Pulse Owner s Manual Dual Time shows the time in a different time zone a handy feature when travelling If Dual Time matches current time it will not be displayed 1 Press the MODE button four times so the mode indicator is over D T 2 Press LOCK Dual time starts to flash 3 Press SET to lower the time in 30 minute increments press SE LECT to increase the time Dual Time can be set 24 hours ahead or behind and the date will change accordingly 4 Press LOCK to exit the setting mode 33 Q Logbook Mode The Pulse logs any dive that is at least 1 5m 5 ft and has a dive time of at least three minutes The Pulse s memory capacity is 30 hours or 60 logged dives if the sampling rate is set to 30 seconds If the sam pling rate is set to 15 seconds the logbook capacity is cut in half to 15 hours or 30 logged dives When the memory is full the newest dives will overwrite the oldest dives The memory stays intact indefinitely even after a battery change It is strongly recommended however that you download all your dives and or enter them into your logbook before changing the battery The Pulse logs more information than can be displayed on a single screen therefore the logbook displays three pages of information for each dive 34 Pulse Owner s Manual Press the MODE button five times so the mode indicator is over LOG Page 1 of the most recent dive is displayed Press SET to go to page 2
4. PULSE User s Guide Copyright 2003 Apeks Marine Equipment Ltd Neptune Way Blackburn Lancashire England Tel 44 0 1254 69220 Fax 44 0 1254 692211 E mail info apeks co uk Website www apeks co uk
5. a Time of day b The FO setting of the mix currently in use Figure 21 Dive Mode Alternate Display 1 54 Safety Stop Whenever you make a dive deeper than 10m 33ft the ascend above 6m 20 ft the Pulse will display a three minute safety stop countdown figure 22 a Safety stop time Safety stop time is shown in min sec It starts at 3 00 and counts down to 0 00 If you descend below 6m 20ft the countdown is paused until you ascend to 6m 20ft If you descend below 10m 33ft the safety stop will reset to 3 00 when you return to 6m 20 ft Safety stop indicator Alerts you to perform the safety stop Pulse Owner s Manual PULSE _ Figure 22 Dive Mode Alternate Display 1 55 Q Decompression Dive Mode If you exceed the no decompression time limit you will be re quired to make mandatory decompression stops The computer will automatically switch from No Decompression Dive Mode to Decom pression Dive Mode In Decompression Dive Mode the Pulse displays the following information figure 23 a Decompression indicator This denotes that the computer is in Decompression Dive Mode b Stop depth This is the shallowest depth to which you can as cend DO NOT ascend above this depth until the computer dis plays the next shallower decompression stop or the computer returns to No Decompression Dive Mode c Stop time This is the amount of time you need to spend
6. figure 3 The computer always returns to the time display after making a dive or ex iting from one of the other modes such as Plan Mode or Log Mode If there is no button activity for several minutes while in another mode the computer will automatically exit back to the time display a Day Day of the week Date Displayed in month day format Time of day Displayed in 12 hour or 24 hour format The 24 hour format does not use AM and PM For example 15 45 is the same as 3 45 PM Selecting the 12 or 24 hour format is explained on page 21 Dual Time Dual time shows the time in a different time zone If Dual time is set the same as the current time it will not be displayed Alarm clock icon If the alarm clock is turned on the icon will appear continued 13 Q f Hourly alarm icon If the Pulse is set to sound an alarm every hour the bell icon will be displayed Nitrox indicator If FO for mix 1 has been set to 22 or higher the Nitrox indicator will be displayed See page 23 for more info on nitrox settings CAUTION If the Nitrox indicator is flashing it means that the Pulse has defaulted to 99 FO You must reset the FO to match the contents in your cylinder h Altitude sector The Pulse automatically adjusts for altitudes up to 19 680 ft 6000 m The following table lists the altitude sectors and their corresponding altitude range WARNING When diving at altitude make sure the altitu
7. nance This manual will clearly and concisely instruct you on the use of the Pulse However if you have any questions on the material contained in this manual please contact your nearest authorized dealer Pulse Owner s Manual SECTION 1 Using the Pulse on the Surface Q The Push Buttons The Pulse has four buttons that allow you to access modes change settings and switch displays Next to each button is a label MODE LOCK SELECT and SET see Figure 1 These labels are primarily related to the various set modes such as Time Set Mode and Dive Set Mode However the buttons have different functions in other modes such as Plan Mode or Dive Mode It is important to thoroughly read and understand the manual so you know the functions of the buttons in all situations Figure 1 The push buttons 10 Pulse Owner s Manual Mode Indicators At the bottom of the LCD are six mode indicators D S dive set tings PLAN plan mode AL alarm settings D T dual time set ting LOG logbook and PROF profile Details on accessing and entering these modes are explained later in the manual Figure 3 Mode Indicators Dive Set Profile Mode Dual Logbook Memory Mode Time Memory Mode Set Mode 11 Q Time Display Mode pre dive LAN LOG PROF PULSE ee Figure 3 Time Display Mode 12 Pulse Owner s Manual The Pulse s default mode is the Time Display Mode
8. Press SET again to page 3 or press SELECT to go back to page 1 If on page 3 press SET to go to the first page of the next dive If on page 1 press SELECT to go to page 3 of the previous dive Press and hold SET or SELECT to quick move forward or back ward through the logbook To view the profile of the dive press MODE Profile Mode is explained in the next section Logbook Page 1 see figure 14 a Log Number This is the sequential number of the dive relative to all the other dives in memory The higher the number the newer the dive i e dive 1 is the oldest dive in memory Page Number The page is displayed as 1 3 1 of 3 2 3 2 of 3 and 3 3 3 of 3 35 Q Figure 14 Logbook Page 1 36 ao Pulse Owner s Manual Date The date the dive started Dive number The number of the dive made that day Start time The time of day that the dive started End time The time of day that the dive ended NITROX indicator If the FO was set to 22 or higher the com puter records that it was a nitrox dive Residual nitrogen The residual nitrogen at the end of the dive This is not displayed if it was a Gage Mode dive Water type The water type setting when the dive was made Oxygen level The oxygen level at the end of the dive Mix indicator Denotes if one or both mixes were used during the dive Altitude Sector The altitude sector when the dive started 37 Q Rec
9. mode indicator is above D S The computer will display the following information figure 8 a Operational Mode If set to DIVE the Pulse will function as a complete dive computer and calculate no decompres sion decompression and oxygen related information If set to GAGE the Pulse will become a basic depth gauge and timer For more information on these modes review Sec tion 2 Diving with the Pulse Nitrox Mix 1 The FO setting for Mix 1 may be set for Air 21 to 50 Nitrox Mix 2 The setting for Mix 2 may be set for Air 21 to 99 Maximum Operating Depth MOD MOD is calculated automatically and is based on a of 1 4 for Mix 1 and 1 6 for Mix 2 23 Q e Safety Factor SF The safety factor may be set to 0 or 1 When set to 0 the computer will perform calculations based on the current altitude setting If set to 1 the calcula tions are made as though the computer was at one altitude sector higher This adds in an extra level of conservatism f Water type Actual depth can differ based on the salinity of the water If you are diving in a fresh water lake or river set the Pulse to Fresh if diving in seawater set it to Sea g Profile recording interval The pulse can record depth measurements every 15 or 30 seconds If set to 15 memory capacity is cut in half N To make changes to the settings press LOCK 3 Press SET to change the setting press SELECT to accept the set
10. ting and move to the next field To exit the mode Press LOCK IMPORTANT NOTE If either mix is set to 22 or higher the Pulse will default the FO for 24 Pulse Owner s Manual that mix to 99 at midnight if either mix is set to Air it will stay set to Air indefinitely If mix 1 defaults to a 99 FO it will be denoted by the flashing Nitrox label This 99 default is built in to protect you from making subsequent nitrox dives with the wrong FO setting If you make a dive with the FO set to 99 an audible alarm will sound upon entering the water Return to the surface and reset the FO to the proper per centage If you continue the dive you will reach the PO limit at about 20 feet 6 m Again return to the surface and reset the FO to the proper percentage If Mix 1 defaults to 99 the no decompression and decompression calculations will be calculated as though you were diving with normal air 79 nitrogen Therefore the Pulse calculates a worst case scenario 99 Oxygen 79 Nitrogen At worst the computer will be more conservative on subsequent dives If only Mix 2 defaults to 99 Mix 1 set to Air you will only get an audible warning when entering the water Upon hearing the warning return to the surface and reset the Mix 25 Plan Mode Plan Simulator Plan Mode allows you to review the no decompression time limits at b various depths for the next dive Only available betwee
11. The Pulse cannot enter Dive Mode while in Transfer Data Mode You must exit Transfer Data Mode before attempting to dive Otherwise the computer will not perform any nitrogen or oxygen calculations which may lead to serious injury or death Figure 18 Transfer Data Mode 45 Q Change Units of Measure The Pulse allows you to change the units of measure from Imperial feet F to Metric meters C or vice versa 1 Press MODE twice so the mode indicator is over PLAN 2 Press and hold LOCK for 5 to 6 seconds audible alarm will sound and the depth display will switch to the new metric or imperial setting 46 Pulse Owner s Manual Section 2 DIVING WITH THE PULSE WARNING Never use the Pulse unless it has been with you since the first dive Using a clean computer no residual nitrogen after you have already made a dive s may result in the computer allowing you more no decom pression time than you really have In addition never share or swap computers Any of these practices may result in decompression sickness 47 Q Pre Dive Checklist Before making a dive it is important that you make sure you go through the following checklist 1 sure the time and date is set correctly Remember the Pulse records the time and date of each dive into memory 2 Check the Altitude sector and make sure it matches the altitude of the dive site 3 into Dive Set
12. at the decompression stop d Total ascent time This is the total amount of time required at all the decompression stops plus the time it takes to ascend to all the stops 56 Pulse Owner s Manual x co PULSE Figure 23 Decompression Dive Mode 57 Q Summary of Warnings and Alarms FO Warning If you enter the water when the computer has defaulted to a 99 FO the computer will sound an audible alarm Immediately surface and set the FO to the proper Oxygen percentage Fast Ascent Warning The Pulse uses a variable ascent rate The fastest allowable rate of ascent is dependent upon the depth The table below shows the three depth ranges and the fastest ascent allowed in each range Depth Range Fastest Allowable Ascent Rate 0 20 ft 0 5 9 m 26 ft 8m per minute 21 to 59 ft 6 to 17 9 m 39 ft 12m per minute 60 ft 18m or deeper 52 ft 16m per minute 58 Pulse Owner s Manual If you exceed the fastest allowable ascent rate the Pulse flashes the SLOW symbol sounds an audible alarm and flashes the current depth The warning will remain in effect until you slow your ascent or go shallower than 5 feet 1 5m PO Warning When Mix 1 reaches 1 4 the computer will sound a 3 second alarm twice and flash the PO2 indicator PO2 and depth If Mix 1 or Mix 2 reaches 1 6 the OLI graph will also flash The alarm will continue to flash until you as
13. ble 48 hours Both UHMS and Divers Alert Network DAN agree that there can never be a flying after diving rule that is guaranteed to prevent decompression sickness Rather there can be a guideline that rep resents the best estimate for a conservative surface interval for the vast majority of divers There will always be an occasional diver whose physiological makeup or special diving circumstances will result in decompression sickness 19 Q Setting the Time Date amp 12 24 Hour Format 08 Pray at Dar Los RO V PULSE Cui 2 Figure 7 Tine date 12 24 hour setting 20 Pulse Owner s Manual To set the time and date press LOCK Dual Time starts to flash Press SET to swap the Dual Time with the Time of Day Press SELECT to accept the setting and move to the next field The time and date are set in the following order Seconds min utes hours year month and day To change the setting press SET To accept the setting and move to the next field press SELECT After the time and date are set the hours minutes will start to flash Press SET to toggle between the 12 hour and 24 hour display To exit the Time Set mode press LOCK 21 Q Dive Settings Mode Dive Settings Mode allows you set all the parameters related to the operation of the computer during a dive Figure 8 Dive Settings 22 Pulse Owner s Manual To view the Dive Settings press MODE once so the
14. cend to a safer shallower depth NOTE If the PO warning activates at 20 feet you forgot to reset the FO and the computer is using the 99 default Decompression Stop Violation Warning If you ascend shallower than the required decompression stop the Pulse will alert you by flashing the DECO label current depth deco stop depth and deco stop time This warning will remain in effect 59 Q until you descend to or slightly deeper than the decompression stop depth If you ignore the decompression stop and surface the computer will lock out for 48 hours five minutes after surfacing Oxygen Bar Graph Warning When the next to last segment appears the Pulse sounds an audible alarm for 3 seconds and flashes the bar graph for 10 seconds When the last segment appears the audible alarm will sound for three seconds but the entire bar graph will flash until you ascend to a shal lower depth and the bar graph reduces to seven segments Out of Range Warning The out of range warning only occurs when you take the Pulse to extreme depths and or time limits To activate the out of range warn ing you must exceed one of the following limits 60 Pulse Owner s Manual Maximum depth limit of 100m 328 ft Dive time limit of 599 minutes Deepest decompression stop of 27m 90 ft Decompression stop time of 99 minutes Stop Total ascent time of 999 minutes In the extremely unlikely event that you exceed one
15. de sector matches the actual elevation of the dive site oth erwise the Pulse may display inaccurate information Note When arriving at a new altitude sector segments on the nitrogen loading bar graph may appear even if you have not made a dive 14 Sector Pulse Owner s Manual Altitude Range Sea Level to 2624 ft 800 m 2624 ft 800 m to 5248 ft 1600 m 5248 ft 1600 m to 7872 ft 2400 m 7872 ft 2400 m to 19680 ft 6000 m Error Icons flash above 19680 ft 6000 m 15 Q Backlight To activate the backlight press SET The backlight will stay on for 3 seconds Low Battery Indicator When the battery power is too low for the computer to function properly the Pulse displays a battery icon see figure 4 When the battery icon is blinking you can place the computer into Transfer Mode to download your dive profiles to a PC but it will not enter dive mode When the battery icon stops blinking you cannot dive with the computer and will not be able to transfer to a personal computer Figure 4 Low Battery Warning 16 Pulse Owner s Manual Time Display Mode post dive After making a dive the Time Display Mode shows additional infor mation figure 5 a Nitrogen Bar Graph The Nitrogen bar graph is a series of nine segments that graphically represent your body s residual nitrogen During the surface in terval the Nitrogen Bar Graph starts to recede indicating that you are
16. he Pulse can withstand the normal bumps associated with SCUBA diving however it cannot withstand the impact of heavy objects such as a weight belt or SCUBA cylinder Do not leave it exposed where someone could accidentally step on it or drop something on it 64 Pulse Owner s Manual Care during the dive Because the Pulse is worn on the wrist you must be careful when reaching into rocky holes and crevices to avoid scratching the computer You may want to consider purchasing a third party watch protector Care after the dive Soak the Pulse in a warm fresh water bath to dissolve salt crystals Rinse thoroughly with fresh water and towel dry before final storage Store the computer in a cool dry and protected place Do not store the computer in a wet or humid environment Doing so may cause the unit to go into dive mode and prematurely drain the battery 65 Q Changing the Battery IMPORTANT NOTE The Pulse will not lose its logbook memory when the battery is replaced however it is recommended that you record all your logbook information and upload the data to your PC if you have the optional PC interface kit before chang ing the battery Whenever you see the low battery symbol you should change the battery right away The battery should be changed by an authorized dealer who has the proper equipment to perform the battery change an pressure test the computer 66 Pulse Owner s Manual 67
17. n repetitive dives Figure 9 Plan Mode 26 Pulse Owner s Manual To enter Plan Mode press the MODE button twice so the mode indicator is above PLAN Once in Plan Mode the computer will display the following information figure 9 a Plan Depth The computer will display the plan depths in 3m 10 ft increments starting at 9m 30 ft No decompression limit NDL This is the maximum amount of time you can stay at the given depth before re quiring mandatory decompression stops If you set Mix to 22 or higher and you exceed your Maximum operating Depth MOD three dashes will be displayed Nitrox Mix 1 You need to make sure the FO accurately matches the actual breathing gas in your cylinder See Dive Settings Mode on page 22 Safety Factor SF Water type 27 Q 2 To scroll through the time depth combinations press SELECT to go deeper or press SET to go shallower Note that there is a short delay between the appearance of the next depth and the display of the NDL time 3 To exit Plan Mode Press MODE To switch to Plan Simulator press LOCK Note Plan Simulator is only available between repetitive dives with a minimum 10 minute surface interval Plan Simulator The Plan Simulator is only available between dives not before the first dive Plan Simulator allows you to enter addition surface interval time to your current interval time and lets you see no decompression times out in
18. of the limits listed above the computer will sound an alarm for ten seconds re place the center display with dashes and flash the entire display The computer cannot be used for 48 hours after an out of range warning 61 Q Gage Mode If the Pulse is set to Gage Mode see Dive Settings on page 22 the computer as a basic depth gauge and dive timer It does not calculate no decompression decompression or oxygen information If you make a dive while in Gage Mode you must wait 48 hours until you can use Dive Mode Gauge Mode like Dive Mode has a primary display and two alternate displays To switch displays press MODE or SELECT To activate the backlight press SET Primary display a GAGE Mode indicator Alerts you that the Pulse is in Gage Mode b Current Depth How deep you are at any moment during the dive c Dive Time The amount of time below 1 5m 5 ft 62 Pulse Owner s Manual Figure 24 Gage Mode 63 Q CARE amp MAINTENANCE The Pulse is a tough and durable instrument but it still needs to be protected from excessive shock extreme heat chemical attack and tampering CAUTION Do not store the Pulse near chemicals such A as gasoline Do not use silicone sprays or any other type of propellants near the Pulse Do not clean the computer with alcohol or any other solvents Exposing the Pulse to chemicals and solvents may damage the lens and case Care before the dive T
19. off gassing nitrogen b Oxygen Bar Graph The Oxygen Bar Graph is a series of eight segments that graphically represent your CNS clock It Figure 5 tracks your exposure to higher Time Display Post Dive partial pressures of oxygen when diving with enriched air nitrox 17 Q To view desaturation time and surface interval time press SELECT see figure 6 a 18 Desaturation Time Desatu ration time is the amount of time it takes to release all the residual nitrogen left in your body from previous 423 7241 dives Any dive made while 5 there is still desaturation 4 g 3i us time remaining is consid ered a repetitive dive PULSE Surface Interval Time Surface interval time is the amount of time since Figure 6 surfacing from a dive It is Press SELECT to view displayed until desaturation Pesaturation and Surface interval Time time reaches zero Pulse Owner s Manual Wait to fly Guidelines The Undersea and Hyperbaric Medical Society UHMS suggests that divers using standard air tanks and exhibiting no symptoms of decompression sickness wait 24 hours after the last dive to fly in an aircraft with a cabin pressure of 8000 feet 2438 m or less The two exceptions to this recommendation are 1 Less than two hours of dive time in the last 48 hours then wait 12 hours before flying 2 Following a decompression stop dive wait at least 24 hours or if possi
20. orded violations not shown a Decompression If a decompression dive was made the DE COSTOP label will be displayed if the decompression stop was violated the DECOSTOP label will flash Fast ascent If the ascent rate was violated the SLOW label will flash PO violation If you exceed the maximum operating depth for either mix the label will flash Out of range If a dive was made that exceeded the depth limit or at an altitude over 6000m 19 685 ft the entire display will flash Logbook Page 2 see figure 15 38 Dive time This is the total time spent below 1 5m 5 ft Average depth The average depth of the dive Water temperature The lowest temperature recorded during the dive Pulse Owner s Manual Figure 15 Logbook Page 2 Q Logbook Page 3 see figure 16 40 Maximum depth The deepest depth reached during the dive Safety factor setting The safety factor setting when dive was made Mix 1 The FO2 setting for Mix 1 when dive was made Mix 2 The FO2 setting for Mix 2 when dive was made Pulse Owner s Manual Figure 16 Logbook Page 2 41 Q Profile Mode In addition to the basic logbook data the Pulse also records the dive depth every 15 or 30 seconds see Dive Mode Settings on page 22 The Profile Mode plays back the profile so you can manually plot the dive profile This profile information is also downloadable to a PC la To view the most
21. pression stops c Dive Time How long you have been below 5 feet 1 5 meters d POs The calculated PO2 based on depth and FO2 50 Depress for two seconds Pulse Owner s Manual Figure 20 Dive Mode Primary Display 51 Q e MIX indicator Which mix is currently being used f symbol Only displayed if FO is set to 22 or higher Does not appear if set to Air g Nitrogen Bar Graph Graphically shows your body absorbing and eliminating Nitrogen The bar graph has nine rectangu lar segments When the last segment appears you have gone beyond the no decompression limit and now require mandatory decompression stops h Oxygen Bar Graph Graphically shows your exposure to an elevated partial pressure of Oxygen PO The bar graph has eight circular segments When the eighth segment appears you have reached 100 of the CNS clock Alternate Display 1 Pressing the SELECT button shows the first alternate display figure 21 a Maximum depth The deepest depth reached during the dive 52 b Pulse Owner s Manual Temperature The actual water temperature at that time Since the temperature sensor is inside the computer it may take a few minutes before you get an accurate reading 95 aL 109 PROF PULS Figure 21 Dive Mode Alternate Display 1 53 Q Alternate Display 2 Pressing the MODE button shows the second alternate display figure 22
22. recent dive profile press the MODE button six times so the mode indicator is over PROF lb view the profile of a particular dive go into Log Mode scroll to the dive you want to profile then press MODE 2 The Pulse will automatically start scrolling through the profile To pause the profile press and hold SET 3 To go to a previous dive press SELECT 4 exit Profile Mode press MODE In Profile Mode the Pulse displays the following information 42 Pulse Owner s Manual B S PLAN AL pT LOG PROF PULSE lt Figure 17 Profile Mode d 43 Q Profile number This is the sequential number of the dive memory Dive time This is the minute display during the dive If the profile recording was set to 30 seconds you will see two depth readings for each minute if set to 15 seconds you will see four depth readings per minute Depth The depth where the sampling occurred Mix The mix setting used at that point during the dive Transfer Data Mode You can download the logbook and profile data to a personal com puter using the optional PC interface kit 1 2 3 44 Go into Profile Mode as explained in the previous section Press LOCK to start the Transfer Data Mode At this point you can attach the computer to the interface and upload your data to the PC Pulse Owner s Manual 4 exit this mode and return to Profile Mode press LOCK WARNING
23. the future In addition the Plan Simulator will display the for each depth 1 While in Plan Mode press LOCK Surface time and b will appear figure 10 2 Press SELECT to add surface interval time in 30 minute increments 28 Pulse Owner s Manual 3 Press SET to change depths For each depth the Pulse will dis play the no decompression lime and POs 4 Toexit back to Plan Mode press LOCK 3 95 pian aL LOG PULS Figure 10 Plan Simulator 29 Q Setting Alarms The Pulse has an alarm clock ej and an hourly alarm The alarm clock goes off at a time that you set the hourly alarm goes off at the top of every hour Turning Alarms on and off 1 Press the MODE button three times so the mode indicator is above AL The alarm setting is displayed along with the two alarm icons if active 2 Ifthe alarm setting is OK and all you want to do is turn the alarms on or off press SELECT Con tinue to press SELECT until one or both the icon displays are visible Figure 11 Alarms on off 30 Pulse Owner s Manual Alarm Clock Setting 3 change the alarm setting press LOCK The hours start to flash Press SET to change Press SELECT to accept the setting and move to minutes 4 To exit press LOCK 12218 Figure 12 Setting alarm clock 31 Q Setting Dual Time gt PULS Figure 13 Setting Dual Time
24. tings Mode page 22 and make sure all the pa rameters are set correctly including the water type safety factor profile recording interval and FO settings for mix 1 amp mix 2 4 Goto Plan Mode see page 26 and review your no decompres sion time limits 5 GO DIVING 48 Pulse Owner s Manual Automatic Activation On the right side of the Pulse between the SELECT and SET buttons is a water contact see figure 19 When the water contact is submerged in water the computer automatically enters Dive Mode Testing the water contact You can test this feature by wetting your finger and touching the water contact The computer should enter Dive Mode and display a 0 depth reading If the computer doesn t go into dive mode it is possible that the contact needs to be cleaned You can clean the contact with warm soapy water and a soft bristle brush Figure 19 Water Contact 49 Q No decompression Dive Mode The Pulse has a primary dive display and two alternate displays that you can access with a press of a button see figure 20 1 switch displays press MODE or SELECT 2 To activate the backlight press SET 3 switch mixes press and hold LOCK for two seconds Primary Display a Current Depth How deep you are at any moment during the dive b limit NDL The amount of time you can stay at the current depth before requiring mandatory decom
25. ty for those risks do not use the Pulse dive computer The Pulse or any other dive computer does not actually monitor changes that occur in your body as you dive Rather it is performing calculations using algorithms developed by leading decompression Q experts and backed by years of research and thousands of dives How ever these algorithms cannot account for factors like dehydration fa tigue obesity or poor physical conditioning Therefore always leave a comfortable safety margin in respect to no decompression time and ascent speed The computer is designed to ASSIST you in making a dive not to CONTROL your dive Pulse Owner s Manual WARNING Using the Pulse will not prevent decompres sion sickness but using it sensibly reduces this risk You must accept that there is no device or procedure that will totally prevent the possibility of a decompression accident Q INTRODUCTION Congratulations on the purchase of your new Pulse dive computer As with all diving equipment it is important to understand the features and functions of the Pulse Before using the computer read this manual in its entirety Contained within this manual are illustrations to aid you in understanding the computer Section 1 instructs you on how to navigate through the Pulse s surface modes Section 2 describes all the underwater displays and functions while diving with the Pulse Lastly Section 3 covers care amp mainte
Download Pdf Manuals
Related Search