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GALILEO 2 (G2) USER MANUAL

4 .

G2 ACCESSORIES

4 .1 Bungee arm strap

Divers wearing thick neoprene wetsuits
or drysuits may prefer bungee mounting
instead of a standard arm strap. The G2 is
designed so that bungees can be affixed
at the corners of the device for maximum
stability.

The arm strap can be removed by pressing
the axle pins sideways through the bungee
rings.

F

NOTE:

Arm strap axle holes

in the housing are not symmetric!
When removing the arm strap axis,
place the pressing tool from the
smaller diameter side. Do not use the
opposite side bungee ring as support
when pressing the pin out.

4 .2 Wireless high pressure

transmitter

The G2 supports wireless tank pressure
using Smart series transmitters. With the
PMG function enabled you can use up to 8
transmitters with your G2.
Additional transmitters can be purchased
separately from your authorized
SCUBAPRO dealer.

F

NOTE: There are 3 generations of
Smart transmitters: Smart, Smart+
(longer distance) and Smart+ LED.
The G2 is compatible with all of these
versions.

4 .3 Skin temperature heart

rate belt

The new SCUBAPRO heart rate belt
features a patented skin temperature
measurement and transmission that is
supported by the G2.
The proper positioning for wearing a HR belt
is shown below. Adjust the strap so that it
is comfortable to wear but snug enough so
that it stays in place. When wearing a dive
suit the HR belt must be directly against the
skin. Moisten the electrode areas if your
skin is dry or when using a drysuit.

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Summary of Contents for Galileo 2

Page 1: ... Galileo 2 G2 User Manual ...

Page 2: ...2 GALILEO 2 G2 USER MANUAL ...

Page 3: ...tically switches to Gauge mode and cannot be used as a decompression computer for the remaining time of the dive Diving at oxygen partial pressures higher than 1 6bar corresponding to a depth of 67m 220ft when breathing compressed air is extremely dangerous and could lead to serious injury or death The G2 dive instrument is a personal protective equipment in compliance with the essential safety re...

Page 4: ... 2 1 5 MOD setting 21 2 2 Dive settings 21 2 2 1 MB level 21 2 2 2 Dive mode Algorithm selection 22 2 2 3 Safety stop timer 22 2 2 4 ppO2 max 22 2 2 5 Water type 22 2 2 6 Nitrox reset time 23 2 2 7 Max surface time 23 2 2 8 OTU settings 23 2 2 9 All silent mode 25 2 2 10 Sidemount 26 2 2 11 CCR 26 2 2 12 Trimix 27 2 2 13 PDIS 27 2 2 14 PMG 27 2 3 Apnea dive 27 2 3 1 Setting the maximum dual depth ...

Page 5: ...er settings 37 2 8 1 Device information 37 2 8 2 Gas integration 38 2 8 3 Tank reserve 38 2 8 4 RBT warning or alarm 38 2 8 5 Breathing sensitivity 38 2 8 6 Bar graph 39 2 8 7 Gas summary 39 2 8 8 Pairing 39 2 8 9 Backlight duration 39 2 8 10 Backlight intensity 40 2 8 11 Water contacts 40 2 8 12 Factory settings 40 2 8 13 Feature upgrade 41 2 8 14 Software update 41 2 8 15 Format flash disk 41 2 ...

Page 6: ...es 55 3 4 Diving with nitrox 55 3 4 1 Technical diving 57 3 4 2 Diving with multiple gas mixtures 57 3 4 3 Diving with Trimix mode 61 3 4 4 Diving with CCR mode 63 3 5 Warnings and alarms 64 3 5 1 Warning settings 64 3 5 2 Maximum depth 64 3 5 3 CNS O2 75 64 3 5 4 No Stop time 2 min 65 3 5 5 Entering decompression 65 3 5 6 Dive time 65 3 5 7 Tank pressure 66 3 5 8 RBT 3 min 66 3 5 9 Pressure signa...

Page 7: ...3 11 Gauge mode 81 3 12 Apnea mode 82 4 G2 accessories 83 4 1 Bungee arm strap 83 4 2 Wireless high pressure transmitter 83 4 3 Skin temperature heart rate belt 83 4 4 Bluetooth USB stick 84 5 Interfaces for the G2 and an introduction to LogTRAK 84 5 1 Charging and using the G2 with a USB interface 85 5 2 Bluetooth 86 5 2 1 Connecting the G2 with LogTRAK 86 5 2 2 Download dive profiles 87 5 2 3 Ch...

Page 8: ...troduction to LogTRAK This section is all about personalization and customization It describes how to change settings how to download and how to manage your logbook Taking care of your G2 This section illustrates how to take care of your new dive computer 1 INTRODUCTION TO THE G2 1 1 Power concept and charging The G2 is powered by a rechargeable Li Ion battery SCUBAPRO recommends fully charging th...

Page 9: ...ways carry a backup instrument that will enable you to complete the dive safely If the G2 switches off during a dive it will remain locked in Gauge mode for 48 hours For more information on Gauge mode operation see chapter Gauge mode F NOTE Storing the G2 with a low battery may lead to a deep discharge state which shortens the life of the battery WARNING During the dive when the battery charge lev...

Page 10: ...y activated the display is on and you can change settings or operate the G2 with its buttons The Bluetooth interface can be activated in this mode Dive mode This mode is activated when the computer reaches a depth of 0 8m 3ft or more In this mode the G2 monitors depth time temperature and wireless sensors Decompression calculations are performed in this mode 1 3 Switching on the G2 To switch on th...

Page 11: ...ook and pressing the right button will dim the display light However be aware that these function labels may change depending on the operational mode you re currently in F NOTE There are two methods for pressing the G2 s buttons 1 Short press This is the normal method used in most cases with the labelled functions 2 Press and hold This method is used only in special cases They are described in thi...

Page 12: ...uld cause decompression sickness as calculated by the decompression model in the computer The no fly text with countdown timer is shown until the restriction is completed To learn more about altitude warnings and altitude diving see chapter Altitude diving WARNING Flying while the G2 displays the NO FLY symbol and countdown timer can result in serious injury or death 1 6 SOS If you stay above a de...

Page 13: ...g desaturation time 1 6 1 Emergency information To add your emergency information you will need to use LogTRAK for Windows or Mac See section Interfaces for the G2 and an introduction to LogTRAK 1 7 Owner information To customize your time of day display with your name or other text you need to use LogTRAK for Windows or Mac See section Interfaces for the G2 and an introduction to LogTRAK F NOTE I...

Page 14: ...ion for the right hand In order for the G2 to display the pressure signal from a Smart transmitter a coded interference free line of communication must first be established This step needs to be performed only once for each transmitter There are two methods for pairing the G2 to a transmitter 1 For automatic pairing proceed as follows Mount the first stage regulator with the Smart transmitter on a...

Page 15: ...ot wish to complete the operation with a press and hold of the right button the G2 will show the message PAIRING CANCELLED The pairing will also be cancelled if you do not press SAVE within 3 minutes of tank selection F NOTE The transmitter must have been unpressurized for at least 40 seconds prior to performing the pairing operation otherwise it will not transmit the pairing sequence Also a trans...

Page 16: ...ansmitter battery 1 9 SCUBAPRO Human Factor DivingTM The G2 has patented underwater Heart Rate Skin Temperature and Breathing monitors These features will customize every dive based on your body reactions and provide you more data that enhances your diving experience and helps you to become a more advanced diver To learn more about the physiology of the SCUBAPRO Human Factor DivingTM see the bookl...

Page 17: ...et into the menu selection For menus with multiple items there is an indicator bar on the right side of the screen which shows your current location Regardless of the language setting all menus are numbered for easy identification All of the sub menus function in a similar way meaning that if there is a value that can be changed the range will be shown at the bottom of the screen see screen below ...

Page 18: ... summary 2 15 PMG 8 2 6 Pairing 3 Apnea dive 8 3 Backlight duration 3 1 Maximum depth 8 4 Backlight intensity 3 2 Depth increment 8 5 Water contacts 3 3 Dive time interval 8 6 Factory settings 3 4 Surface interval 8 7 Feature upgrade 3 5 Low heart rate 8 8 Software update 3 6 Ascent speed 8 9 Format flash disk 3 7 Water density 9 Personalization 4 Digital compass 9 1 Screen configuration 4 1 Use c...

Page 19: ...e tanks that you are using as well as the partial pressure limit of the gas The Maximum Operating Depth MOD limit will be shown for the values that you have selected To learn more about diving with Nitrox and MOD see chapter Diving with nitrox 2 1 1 Recreational factory setting For normal one tank diving you can select a gas mix from 21 oxygen Air up to 100 oxygen The ppO2 max value is required fo...

Page 20: ...nimum Depth AMD depends on ppO2min value If the alarm depth is shallower than 0 8m 3ft which is the dive start depth for the G2 the alarm will not activate before a 0 8m 3ft depth is reached This situation is dangerous and may lead to death by drowning WARNING Engaging in heavy work while at the surface or at shallow depths while breathing less than a 21 oxygen hypoxic mix fraction may cause a los...

Page 21: ...ar is dangerous and may lead to unconsciousness drowning and death F NOTE the ppO2 is fixed to 1 6bar when the selected oxygen content is 80 or higher 2 2 Dive settings 2 2 1 MB level Here you may select the preferred Microbubble MB level that you want to follow during your dives Level 9 is the most conservative Level 0 is the least conservative F NOTE For more about diving with the MB levels see ...

Page 22: ...ime has elapsed If you decide to change modes before the 48 hour interval ends or before full desaturation occurs you will have to go to the desaturation reset menu and make a manual desaturation reset 2 2 3 Safety stop timer Safety stop timer duration and start mode can be edited in this menu See chapter Safety stop timer to learn how this feature is used while diving 2 2 4 ppO2 max The ppO2max s...

Page 23: ...hown 2 2 7 Max surface time Maximum surface time allows you to enjoy short orientations at the surface while maintaining a single logged dive 2 2 8 OTU settings Oxygen Toxicity Unit OTU information and settings can be edited in this menu The OTU information screen below displays the current OTU related information 1 OTUs from the last dive 2 OTUs from the dives today along with the maximum allowed...

Page 24: ...om a recent dives can be reset to zero allowing the G2 to treat the next dive as a non repetitive dive This function is useful when the G2 is loaned to another diver who has not dived in the last 48 hours WARNING Resetting desaturation will affect the calculations of the algorithm which may lead to serious injury or death Do not reset desaturation without a valid purpose F NOTE Some menu changes a...

Page 25: ...ess you have a valid reason to do so F NOTE An automatic low battery switch off will not reset the desaturation The G2 stores tissue saturation information in a non volatile memory During the time the computer is without power the desaturation calculation is frozen During recharging the display will light up and desaturation calculation will resume as soon as a sufficient level of charge has been ...

Page 26: ...r supply side You can choose a step between 10 and 50 bars or follow the rule of thirds F NOTE The Sidemount mode can be used for backmount twin tank diving as well 2 2 11 CCR The Rebreather mode can be selected ON here if the feature is enabled Enabling CCR changes the default open circuit gas content settings to setpoint settings Also the dive display will change so that both O2 and Diluent tank...

Page 27: ...BAPRO dive computers feature Profile Depending Intermediate Stops PDIS which can be enabled in this menu See chapter PDIS Profile Dependent Intermediate Stop to learn more about this feature 2 2 14 PMG Predictive Multigas PMG mode enables the use of multiple tanks from 2 to 8 See chapter Diving with multiple gas mixtures to learn more about how to use this feature F NOTE PMG must be enabled for si...

Page 28: ...F NOTE The first alarm is short sequence to get your attention and the second alarm is continuous By setting the first alarm deeper than the second it will be masked by the continuous alarm and you cannot hear the first one 2 3 2 Setting the depth incremental warning Independent of the maximum depth alarm you can set incremental depth warnings These depth warnings can be set for descending shown a...

Page 29: ...arning can be set from 15 seconds up to 14 minutes and 45 seconds F NOTE After 15 minutes on the surface the G2 automatically ends the dive session and saves the dive in the logbook 2 3 5 Setting the ascent speed alarm You can select the value from 0 1 5 0m 1 15ft per second 2 3 6 Low HR alarm The G2 can trigger an alarm if your heart rate drops below a set level The alarm can be set between 35 an...

Page 30: ...ther you re diving in fresh or salt water A decompression calculation is based on absolute pressure so setting the G2 to fresh water when diving in salt water or vice versa is acceptable However the depth measurement will be slightly off approximately 1m 3ft every 40m 130ft although the decompression calculation will be carried out correctly For Apnea diving in which no decompression calculation t...

Page 31: ...tion Push on Push off maintains the compass display until it is switched off by a button press 2 4 3 Declination A compass points to the magnetic north pole of the earth Geographic and magnetic North Pole difference is corrected with a declination setting Declination depends on your current location on the earth You can select a correction value from 0º to 90 in 1 increments and select the directi...

Page 32: ...is determined based on the current barometric pressure and is therefore a relative value 2 6 Warning settings Warnings represent situations that require diver s attention but ignoring them does not represent an immediate risk It is up to you to decide which ones you would like to have active and which ones not 2 6 1 Maximum dive depth warning The maximum depth warning value can be selected from 5 ...

Page 33: ...nutes This applies to current selected MB level no stop time see chapter Diving with MB levels for more information on MB level diving It gives you the opportunity to start ascending before incurring a decompression stop or a level stop obligation 2 6 4 Entering deco The G2 can activate a warning when the first mandatory decompression stop appears This alerts you to the fact that a direct ascent t...

Page 34: ...hen the RBT reaches 3 minutes a warning is shown When 0 minutes RBT is reached an alarm is triggered the G2 has computed that if you start your ascent now and ascend at the ideal ascent rate you will arrive at the surface with just the tank reserve and any further delay increases the risk that you will run out of your gas supply before reaching the surface 2 6 8 Pressure signal The G2 can activate...

Page 35: ...vel reduced When diving with an MB level higher than L0 and in the presence of MB level stops if you ascend more than 1 5m 5ft above the deepest required MB level stop the G2 reduces your MB level to the next possible level The display will show the new active MB level You can set your G2 to warn you when this happens 2 6 12 L0 no stop time 2 min When diving with an MB level higher than L0 the und...

Page 36: ...ut to enter a decompression obligation while diving with an active MB level higher than L0 2 7 Clock settings On this screen the current time time format date and time zone can be changed The alarm clock may also be set and activated here 2 7 1 Wake up alarm This menu allows you to set a wake up alarm The time of the alarm is shown in the format specified in the Time menu either in AM PM or 24hr W...

Page 37: ...t from the currently displayed time so as to get the correct time at your travel destination The range of the UTC setting is between 13 hours and 14 hours in 15 minute increments 2 8 Other settings Here you can see your G2 s ID and software version You can also manually check the battery status set the backlight enable upgrades and return the unit to its basic factory settings 2 8 1 Device informa...

Page 38: ...nt rate A higher value of the tank reserve is more conservative but limits your diving time A lower value gives you more diving time but the risk of running out of gas supply before reaching the surface increases 2 8 4 RBT warning or alarm In this menu you can select if the situation RBT 0 minutes will be handled as a warning or alarm visible only if PMG is installed 2 8 5 Breathing sensitivity Th...

Page 39: ...this screen from the time of date display is a press and hold of the LOG button 2 8 8 Pairing When this menu is selected the G2 listens to nearby tank transmitters which are activated tank valve is opened This mode is practical when you cannot place the G2 in close contact with the transmitter F NOTE Make sure that only one transmitter is active nearby when using this mode so that you will pair th...

Page 40: ...ver if the computer is stored in a wet environment it may stay turned on and consume unnecessary battery power To prevent this you can turn the water contacts off but you will have to remember to turn on the computer manually before starting the dive F NOTE If the water contacts are turned off and you fail to turn on the computer manually the computer will still activate by itself within one minut...

Page 41: ...lder system feature upgrade See chapter USB flash disk operations to learn how you can store these files in your G2 2 8 14 Software update Software updates can be installed from the list in this menu Select the software version and press the SAVE button to proceed with the update Software versions that you can update are stored in the G2 memory folder system sw update See chapter USB flash disk op...

Page 42: ...ion stops If you have chosen the Light configuration and you enter level stops or decompression the screen configuration will switch to Classic until you have fulfilled all level stop and or deco stop obligations 2 9 2 Language In this menu you can set the language used for all texts displayed on the computer Select the language from the list and press the SAVE button to activate 2 9 3 Start up pi...

Page 43: ...uch as the Central Nervous System and the brain being unaffected while others like the muscles receiving up to 10 times more blood than when at rest The G2 estimates workload based on heart rate or changes in breathing pattern from the high pressure transmitter and the decompression calculation in the ZH L16 ADT model is changed accordingly This menu allows you to select the workload base or switc...

Page 44: ... be entered via LogTRAK software See section Interfaces for the G2 and an introduction to LogTRAK to learn how to store your emergency information in your G2 2 9 8 Display color The G2 s display power consumption is independent of the color that s used Using menu 9 8 Display color you can select different color combinations shown on the screen below F NOTE Depending on the water you re diving in t...

Page 45: ...e time you would otherwise be on the surface The time can be added in 15 minute increments The prohibited altitude is shown with the mountain symbol and the peak is not allowed to be entered by the diver For more information on altitude diving with the G2 see chapter Altitude diving In case the G2 is displaying the no dive warning the duration of the warning itself is displayed as a recommended su...

Page 46: ...ime Time can be added in 1 minute increments The deepest decompression or MB level stop is also shown as Total ascent time 2 12 Help Frequently asked questions FAQ and a summary of this user manual is stored here Updates to this will be available at www scubapro com 2 13 Bluetooth Bluetooth communication can be activated from this menu How to establish a connection between your G2 and other Blueto...

Page 47: ... contains less information than what s offered in Scuba mode therefore some lines will remain blank in the logbook Below is an example of a Scuba mode dive The 2nd sub sequential page shows the dive log in graphics The 3rd sub sequential page shows more details The 4th sub sequential page The 5th sub sequential page F NOTE Dives with multiple gases will add log pages after the 5th sub sequential p...

Page 48: ... Apnea logs The G2 organizes the Apnea dive log by grouping the individual immersions to a dive session On the three first pages the session data is shown The following pages provide detailed information of a specific immersion of the session the number is shown at the bottom of the display for example iteration 1 2 etc ...

Page 49: ... Dive mode at surface 3 1 1 Recreational factory setting If you have not been diving with your G2 for a while no desaturation remaining the dive mode screen may appear as shown below However in Scuba mode following a dive the display may appear as shown below The current altitude class and the prohibited altitude are indicated with the mountain symbol in the upper right hand corner The interval si...

Page 50: ...show the diluent and oxygen contents 3 1 6 Surface interval no dive and CNS counters After a dive the G2 shows the surface interval from the latest dive The surface interval counter counts until desaturation is complete After desaturation is complete this window disappears The no dive symbol and countdown timer are shown to indicate the period during which you should not do another dive due to mic...

Page 51: ...ternate window in sequence Access alternate display in sequence Backlight Compass Max depth Dive profile PDIS Compartment saturation Temperature Pictures Heart rate Skin temperature Battery level Active MB level if not L0 MB L0 info Time of day CNS CLASSIC Set bookmark and reset stopwatch Access alternate window in sequence Access alternate display in sequence Backlight Compass Confirm gas switch ...

Page 52: ...ccess alternate display in sequence Backlight Compass Confirm gas switch Manual gas switch Max depth Gas summary O2 Deco summary PDIS Dive profile Heart rate Compartment saturation Skin temperature Pictures Battery level Stopwatch Active MB level if not L0 MB L0 info Time of day CNS Average depth ppO2 OTU COMPASS Set bookmark and reset stopwatch Set bearing Erase set bearing Backlight Manually ret...

Page 53: ...bol in the right upper corner of the time of day display The prohibited altitudes which the G2 has computed to be incompatible with your current nitrogen saturation levels are solid color segments inside the mountain symbol For more details see chapter Altitude and the decompression algorithm The current altitude can be checked in the menu 5 Altimeter The remaining nitrogen loading is shown with a...

Page 54: ...ng this adaptation time the G2 considers it a repetitive dive since the body has residual nitrogen 3 3 3 Prohibited altitude Going to altitude as well as flying after diving exposes your body to a reduced ambient pressure In a manner similar to no fly time the G2 advises you the safe altitude classes to reach after a dive and those which are not safe If you have to drive over a mountain pass to re...

Page 55: ... not related to the length of the exposure to high oxygen partial pressure Sudden effects can vary and depend on the exact level of partial pressure they happen at It is commonly accepted that partial pressures up to 1 4bar are tolerable during the active part of the dive and maximum oxygen partial pressures up to 1 6bar during the decompression 2 Long exposure effects to oxygen partial pressures ...

Page 56: ...eases 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 concentrations of 80 and higher the ppO2max is fixed at 1 6bar and cannot be changed Against long exposure and rep...

Page 57: ...dives in advance and cross check your plan with another commercial planner program or table Your dive plan should always include reserve gas amounts sufficient to handle emergencies and or delays Always make bailout tables for the dive Technical diving is not for everyone Decompression diving especially with Helium mixes will always have a higher inherent potential for an accident which could lead...

Page 58: ... new gas mixture before confirming a switch WARNING Always make sure you are switching to the intended gas Failure to do so may result in serious injury or death The following chapters about gas switching are shown with 2 gas mixtures enabled However more than two mixes enabled are working similarly Depth Time Bottom mix Deco mix Diving with 2 gas mixtures Switching gas mixture during the dive Dur...

Page 59: ...gas change within the 30 seconds of when the G2 suggests it the gas is excluded from the decompression calculation and the decompression schedule is adapted accordingly basically reflecting the fact that you will finish the dive without using the excluded gas Delayed gas switch You can catch up on a planned gas mixture switch at any time by selecting the gas manually Press and hold the BOOK button...

Page 60: ...rent selected MB level as well as MB level 0 schedules are shown By pressing ARROW UP button the profile display is shown blue is diven part gray line identifies current time and green is predicted ascent profile with required gas switching depths according to MOD s white lines By pressing ARROW UP button the current compartment saturation is shown When the previously shown dive proceeds to the as...

Page 61: ...or she should not dive with our Trimix mode Never risk your life on only one source of information Eventually every computer has the potential to fail so do not depend exclusively upon it and always have a plan for how to handle failures Use a redundant divecomputer carry backup tables and depth time instrumentation If you make riskier dives obtain the proper training from a recognized agency to g...

Page 62: ...ests it The minimum O2 setting for tank T1 is 18 This is due to the limitation that a dive must begin with gas 1 To ensure an adequate supply of oxygen to the body the gas used at the beginning of the dive must contain enough oxygen you can use a travel mix or one of the decompression gases as is required for Tank 1 Therefore the first alarm related to Absolute Minimum Depth would be given at shal...

Page 63: ...nciple with manual control didn t require a highly reliable regulator system The CCR system also uses the gas more efficiently than an open loop system because the oxygen is added to the breathing loop only as needed Respectively the carbon dioxide generated by the body is bound to calc at the scrubber As a side effect the CCR system is nearly bubble free which can be beneficial when engaged in ph...

Page 64: ...t water Depth Depth Time Time SP1 SP2 SP2 SP1 Diving with 2 gas mixtures Diving with CCR Switch depth between SP1 SP2 Bottom mix Deco mix 3 5 Warnings and alarms The G2 can alert you to potentially dangerous situations via warnings and alarms You can modify the warning and alarm settings in the menus or via a PC interface 3 5 1 Warning settings Warnings represent situations that require diver s at...

Page 65: ...cending before incurring a decompression stop or a level stop obligation 3 5 5 Entering decompression The G2 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 possible This warning applies to dives with the computer set to L0 L9 3 5 6 Dive time See chapter Maximum dive time warning to learn ...

Page 66: ...ong RF sources can be momentarily interrupted Strobes used in underwater photography for example are known to momentarily affect the communication between the G2 and the wireless transmitter F NOTE If the G2 receives no signal from the transmitter for 30 seconds an audible sequence goes off and the message NO PRESSURE SIGNAL appears on the display for 12 seconds If after another 40 seconds the G2 ...

Page 67: ...g you to avoid missing the required stop 3 5 12 MB level reduced When diving with an MB level higher than L0 and in the presence of MB level stops if you ascend more than 1 5m 5ft above the deepest required MB level stop the G2 reduces your MB level to the next possible level The display will show the new active MB level 3 5 13 L0 no stop 2 min When diving with an MB level higher than L0 the under...

Page 68: ...l alarms are OFF except for the low battery tank reserve half tank max depth max dive time and pressure signal alarm When the G2 is set to SOUND OFF mode all audible alarms and warnings are switched off 3 7 Ascent rate As you ascend during a dive the pressure surrounding you decreases If you ascend too quickly the ensuing pressure reduction could lead to microbubble formation If you ascend too slo...

Page 69: ...s higher than 140 the ASCENT TOO FAST warning is displayed and the ascent window changes to red The G2 also provides an audible alarm for ascent rates exceeding 110 the intensity of the alarm increases in direct proportion to the degree that the ideal ascent rate is exceeded In the event of a too fast ascent the G2 may require a decompression stop even within the no stop phase because of the dange...

Page 70: ...ill continue for as long as you stay deeper than the MOD 3 7 2 CNS O2 100 WARNING When the CNS O2 reaches 100 there is danger of oxygen toxicity Start the procedure to terminate the dive The G2 tracks your oxygen uptake via the CNS O2 clock If the calculated value of CNS O2 reaches 100 the G2 will emit a sequence of audible beeps for 12 seconds and the value of the CNS O2 will turn red in the O2 w...

Page 71: ...e above the required stop 3 7 5 RBT 0 min The situation when RBT reaches 0 minutes can be selected as a warning or alarm See chapter RBT warning or alarm to read more about this setting 3 7 6 Low battery WARNING Do not start a dive if the low battery warning is displayed on the screen at the surface The computer may fail to function during the dive and this could lead to serious injury or death Du...

Page 72: ...n in metric mode When displayed in feet the resolution is always 1 foot At a depth shallower than 0 8m 3ft the display shows The G2 s maximum possible operating depth is 120m 394ft No stop time Calculated in real time and updated every 4 seconds Maximum displayed no stop times is 99 minutes Temperature The G2 displays the water temperature during the dive and the air temperature while on the surfa...

Page 73: ...amount of information This screen is for divers who prefer to monitor all of the parameters that the G2 can provide The Graphical screen configuration combines numeric information with an actual dive profile The diver is represented by the gray cursor line in the graphical profile Projected ascents and stops before surfacing are shown on the right side of the cursor line ...

Page 74: ... A press and hold of the MORE button launches a dive profile or gas deco summary displays depending on MB PMG settings display This screen will remain for 12 seconds and return to the normal dive display unless buttons are pressed With the ARROW buttons you can scroll to the next display which is the relative compartment saturation display The height of each bar indicates the ratio of current tiss...

Page 75: ...ll immediately revert to the normal dive screen 3 8 2 Setting bookmarks By pressing the BOOK button you can set any number of bookmarks as reminders of particular moments during the dive The bookmarks will appear on the dive profile in LogTRAK 3 8 3 Stop watch timer There are many situations during a dive where a simple stop timer is practical timed tasks at dive courses etc The G2 has a stop time...

Page 76: ... can be restarted by pressing the TIMER button 3 8 5 Backlight In the menu 8 3 Backlight duration you can select the time and function of the backlight Normally the backlight is dimmed to low intensity and can be brightened by pressing the LIGHT button F NOTE The display is totally off when the low power mode becomes active only one battery segment is left and by pressing the right button the disp...

Page 77: ...ed to perform a stop level stop sooner than a diver using level L0 If you ignore a required level stop the G2 will simply step down to a lower MB level In other words if you choose level L4 prior to the dive and during the dive you ignore the L4 s recommended stops the G2 will automatically adjust the setting to level L3 or lower 3 9 1 Comparison of dives with MB level L0 and MB level L5 When two ...

Page 78: ...erwise very different Profile 1 stays at 40m 132ft for 7 minutes then ascends to 30m 100ft for 3 minutes followed by 12 minutes at 20m 65ft Profile 2 stays less than 2 minutes at 40m 132ft then ascends to 21m 69ft and stays there for 33 minutes Both dive profiles are no stop dives to the limit of entering decompression The solid line represents the PDIS depth as displayed on the computer screen du...

Page 79: ... minute half times respectively are not considered for the determination of the PDI stop depth This is due to the fact that these compartments are only leading for very short dives for which an intermediate stop is not required at all F NOTE The PDI stop is not a mandatory stop and it is NOT a substitute for the 3 to 5 minute safety stop at 5m 15ft WARNING Even when performing a PDI stop you still...

Page 80: ...above the indicated depth The countdown timer disappears and the alternate information window shows OK as an indication that PDIS is performed 2 You have descended more than 0 5m 2ft below the PDIS The countdown timer disappears and will reappear again starting at 2 minutes the next time you ascend to the PDIS depth 3 You have ascended more than 3m 10ft above the PDIS The PDIS value and countdown ...

Page 81: ...e It will however display a surface interval up to 24 hours and a 48 hour no fly time This no fly time is also the time during which you cannot switch back to computer mode The Gauge mode surface display after a dive shows the dive time in the top row In the middle row the stopwatch is running from the dive start or last manual restart In the bottom row the maximum depth of the dive is shown After...

Page 82: ...ve start depth of 0 8 meters will not start a new dive As with Gauge mode the G2 in Apnea mode doesn t carry out any decompression calculations You can only switch to Apnea mode if the computer is completely desaturated Apnea mode at the surface after a dive shows the maximum depth and the dive duration The surface interval counter starts after surfacing and the heart rate shows the current measur...

Page 83: ...r The G2 supports wireless tank pressure using Smart series transmitters With the PMG function enabled you can use up to 8 transmitters with your G2 Additional transmitters can be purchased separately from your authorized SCUBAPRO dealer F NOTE There are 3 generations of Smart transmitters Smart Smart longer distance and Smart LED The G2 is compatible with all of these versions 4 3 Skin temperatur...

Page 84: ... required F NOTE Laptops with an old internal Bluetooth module a driver lower than 4 0 will require an external generic USB Bluetooth stick 5 INTERFACES FOR THE G2 AND AN INTRODUCTION TO LOGTRAK LogTRAK is the software that allows the G2 to communicate with various operating systems LogTRAK is available for Windows Mac Android and iOS In the following section Windows and Mac versions of LogTRAK ar...

Page 85: ...ble which is included with the G2 Clean and dry the USB contact pins with a soft towel before connecting the G2 to a charger WARNING Dirt on any contact surfaces may increase the electrical resistance and burn harden the dirt so that it is difficult to remove afterwards To enjoy trouble free operation and a long service life clean the contacts of your G2 before charging WARNING Always charge the G...

Page 86: ...nication and the following display is shown on the G2 s screen F NOTE the G2 has a timeout of 3 minutes for a non active Bluetooth connection After this interval the G2 will disable Bluetooth and return to the normal time of day screen to save energy 5 2 1 Connecting the G2 with LogTRAK You can use either Bluetooth or USB with LogTRAK To start the communication with USB 1 Connect to your G2 with t...

Page 87: ...nt and tank information 3 Location which shows your dive site on the world map The selection tabs for views are at the top of the main window 5 2 3 Changing warnings settings on the G2 and reading computer info By selecting Extras Read dive computer settings you can enable disable warnings that cannot be changed on the actual G2 unit via the menu system Read chapter Warnings and alarms about the p...

Page 88: ...disk Logbooks Pictures and System WARNING Do not erase any of the system folders from your G2 Removing system folders will lead to a malfunctioning G2 Diving with a G2 is not safe if data has been removed The logbook folder is a hidden file You can make a backup copy of it but you should not remove it You can store pictures fish underwater plants or maps that the G2 can display during diving in th...

Page 89: ...tery power is exhausted when the flash is used the memory content may become corrupted In this case the G2 displays the following warning WARNING Do not use the G2 if the flash disk becomes corrupted The G2 may not operate correctly when flash memory access is not available False operations may display faulty information During a dive this may lead to serious injury or death F NOTE To prevent flas...

Page 90: ...n the operation temperature and backlight settings but also many other factors 6 3 Maintenance The G2 s depth accuracy should be verified every two years by an authorized SCUBAPRO dealer The tank pressure gauge and the parts of this product used to measure tank pressure should be serviced by an authorized SCUBAPRO dealer every other year or after 200 dives whichever comes first Aside from that the...

Page 91: ... Rate Belt The following parts of the Heart Rate Belt are shown in the drawing above 1 Battery cap 2 O ring 3 CR2032 4 Heart Rate Belt body To change the battery in the Heart Rate Belt 1 Dry the Heart Rate Belt with a soft towel 2 Open the battery cap 3 Replace the main O ring replacement O rings are available from your authorized SCUBAPRO dealer 4 Remove the empty battery and recycle it in an env...

Page 92: ...ust be returned with dated proof of purchase to an authorized SCUBAPRO dealer Visit www scubapro com for the dealer nearest you Your dive instrument is manufactured with high quality components that can be recycled and reused Nevertheless these components if not properly managed in accordance with the regulations on electrical and electronic equipment waste are likely to cause harm to the environm...

Page 93: ...ygen and nitrogen with the oxygen concentration being 22 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 concentrat...

Page 94: ...higher oxygen concentration mix while using the multi gas option in the ZH L16 ADT MB PMG algorithm UTC Universal Time Coordinated refers to time zone changes when traveling TAT Total Ascent Time RBT Remaining Bottom Time CCR Closed Circuit Rebreather Trimix A gas mixture containing Oxygen Helium and Nitrogen PMG Predictive Multi Gas OTU Oxygen Toxicity Unit ...

Page 95: ...ude 53 Flying after diving 54 12 Gauge mode 81 11 52 54 Logbook 11 18 46 Maintenance 90 MB levels 77 Microbubbles 77 93 MOD 21 59 61 Mountain lakes 55 No dive warning 12 Nitrox 18 23 55 Nitrox reset 18 23 55 No fly time 12 49 54 81 Oxygen concentration 59 79 90 93 55 57 Oxygen partial pressure 22 55 PC interface 64 84 ppO2max 18 22 55 93 Safety stop timer 18 22 76 LogTRAK 84 SOS mode 12 93 Stopwat...

Page 96: ...96 GALILEO 2 G2 USER MANUAL ...

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