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Shearwater DiveCAN

®

 Petrel

DocRevB

5

Introduction

The Shearwater Petrel is an advanced technical diving computer for open and closed 

circuit divers� 

Although we strive to make the Petrel easy enough to use without reading the manual, 

please take some time to read this manual to get the best performance from your new 

computer� Diving involves risk and education is your best tool for managing this risk�

Models Covered by this Manual

This manual provides operating instructions for the Petrel 

DiveCAN

® 

Rebreather 

Controller 

model� For instructions on the Standalone (SA) and EXT Petrel models, see 

the document Shearwater Petrel Manual - Standalone and EXT Models�

Petrel 1 vs� Petrel 2

This manual covers both the Petrel 1 and Petrel 2 models� The difference between 

the models is that the Petrel 2 has a digital compass and also supports Bluetooth 

Smart Ready (i�e� dual mode Bluetooth supporting both Bluetooth Classic v2�1 and 

Bluetooth Smart v4�0)� Bluetooth Smart is used for connecting to iOS devices�

 All other features are the same between the Petrel 1 and Petrel 2� Both models 

use the same firmware file and firmware version number.

Содержание DiveCAN Petrel 1

Страница 1: ...Rebreather Controller Model DiveCAN Operations Manual Petrel 1 Petrel 2...

Страница 2: ...The Center Row 14 The Bottom Row 15 Info Screens 17 Compass Petrel 2 only 22 Menus 24 Menu Structure 25 Basic Setup 26 Simple Dive Example 27 Complex Dive Example 29 Decompression and Gradient Factors...

Страница 3: ...es 53 CC Gases 53 O2 Setup 54 Auto SP Setpoint Switch 54 Display Setup 55 Compass Setup Petrel 2 only 57 System Setup 59 Advanced Configuration 1 60 Advanced Configuration 2 61 Firmware Upload and Div...

Страница 4: ...Always have a plan on how to handle failures Automatic systems are no substitute for knowledge and training No technology will keep you alive Knowledge skill and practiced procedures are your best de...

Страница 5: ...instructions for the Petrel DiveCAN Rebreather Controller model For instructions on the Standalone SA and EXT Petrel models see the document Shearwater Petrel Manual Standalone and EXT Models Petrel 1...

Страница 6: ...ensor rated to 450 feet 140 meters of seawater Dive Planner Any combination of oxygen nitrogen and helium Air Nitrox Trimix Open and closed circuit switchable during a dive 5 CC and 5 OC gases Gases c...

Страница 7: ...dependent bus provides backup PPO2 monitoring in the event of a failure of the primary control bus Spare auxiliary ports may be included for additional devices or future expansion Even if your rebreat...

Страница 8: ...ologies are introduced they can be plugged into existing rebreathers Components handset HUD etc can be easily removed for travel repair backup and upgrades Modular design compartmentalizes critical fu...

Страница 9: ...Shearwater DiveCAN Petrel DocRevB 9 Turning On To turn the Petrel on press both the MENU left and the SELECT right buttons at the same time...

Страница 10: ...tting changes the setting s value SELECT button Right From main screen steps through information screens In a menu performs command or starts editing Editing a setting saves the setting s value BOTH B...

Страница 11: ...ASHING RED is used for critical alerts that could be life threatening if not immediately addressed The warning or critical alert states can be determined without the use of color Warnings display on a...

Страница 12: ...when 6 arrows or more Note Deco calculations assume 33fpm 10mpm ascent rate Dive Time The length of the current dive in minutes The seconds display as a bar drawn below the word Time It takes 15 seco...

Страница 13: ...rter than the actual TTS since off gasing is occurring slower than expected There is also an option to set the last stop to 20ft 6m if you wish Surface Interval When on the surface the STOP DEPTH and...

Страница 14: ...erage PPO2 used to control O2 injection and calculate decompression When the O2 sensors require calibration the PPO2 value will display as FAIL Instructions can be found in the Calibration section Vot...

Страница 15: ...ow when there is better deco gas available than the current gas No Decompression Limit NDL The time remaining in minutes at the current depth until decompression stops will be necessary Displays in Ye...

Страница 16: ...nter menus Warnings Provide important alerts Press SELECT right button to clear a warning GF99 The raw percentage of the B hlmann allowable supersaturation at the current depth 5 The predicted time to...

Страница 17: ...ens time out after 10 seconds returning to the main screen Pressing the MENU left button will also return to the main screen The info screen content is optimized for each mode Set the Petrel to the mo...

Страница 18: ...NS percentage is calculated continuously even when on the surface and turned off When deco tissues are reset the CNS will also be reset Setpoint SP The currently requested PPO2 setpoint Average PPO2 T...

Страница 19: ...e Fraction Inspired O2 FiO2 The fraction of the breathing gas composed of O2 This value is independent of pressure The next three values show decompression information and are covered in more detail i...

Страница 20: ...ualized in terms of risk i e how close they are as a percentage to B hlmann s original super saturation limits Also this scale changes with depth since the M Value line also changes with depth Battery...

Страница 21: ...cing For the gradient factor higher values are less conservative Pressure The pressure in millibars Two values are shown the surface surf pressure and the current now pressure The current pressure is...

Страница 22: ...alibration This can be done in the System Setup Compass menu and takes only one minute Battery Changes When the battery is changed the compass should be calibrated This is because each battery has its...

Страница 23: ...easy to determine if you are off course When the marked heading is off screen an arrow points the shortest way back When facing the opposite direction the reciprocal heading is shown as a pair of red...

Страница 24: ...pushed for 1 minute the menu system will time out returning to the main screen Anything that had been previously saved will be retained Anything that was in the middle of editing will be discarded ME...

Страница 25: ...rface only Define Gas Dive Planner Conserv NDL Display Brightness Display Log Upload Log Edit Log Number Dive Setup Deco Setup CC Gases Display Setup System Setup Advanced Config Switch 7 1 3 Switch C...

Страница 26: ...his includes the diluents CC gases and bailout gases OC gases The system will use the gases that are available in the order of oxygen content during the Time To Surface TTS prediction The system will...

Страница 27: ...ent has started the Petrel will change to dive mode In dive mode dive time starts counting and the surface interval display changes to stop depth and time Setpoint Switch Press MENU to access the swit...

Страница 28: ...at this deco stop While ascending the bar graph to the right of the depth shows the ascent rate Each bar indicates 10 ft per minute 3m min of ascent rate On Deco Stay at each stop depth until it clea...

Страница 29: ...t several gases are needed We will verify that we are carrying enough of each gas when we plan the dive Verify Settings It is also prudent to ensure all other settings are correct before starting the...

Страница 30: ...ssure not being exactly 1 ata Ready to Dive The dive is now ready to begin Note on Hypoxic Diluents Hypoxic diluents such as the 10 50 in this example require special training since they can be deadly...

Страница 31: ...is slower than the expected 10m min ascent rate This slow ascent has caused the TTS to rise as most tissues are still on gassing First Deco Stop The slow ascent has caused the first stop to clear befo...

Страница 32: ...best OC gas was automatically selected and the deco schedule has been adjusted based on the OC gases Switch Gas We are now at 21m having completed a few more deco stops The gas is now displaying in ye...

Страница 33: ...tten The computer implements Gradient Factors by using levels of conservatism The levels of conservatism are pairs of number like 30 70 For a more detailed explanation of their meaning please refer to...

Страница 34: ...n gas typically pure oxygen press the SELECT button to perform the calibration Good sensors should be in the range of 35 65 mV at sea level in 100 oxygen A sensor will fail calibration if not in the r...

Страница 35: ...ot be exactly equal to the F02 This is because weather causes minor changes in barometric pressure For example say a low pressure weather system has reduced the normal 1013mbar barometric pressure to...

Страница 36: ...tpoint from the low setpoint to the high setpoint or vice versa To redefine the PPO2 value of a setpoint use the Dive Setup menu This menu item performs a manual switching of PPO2 setpoint Automatic s...

Страница 37: ...ircuit and closed circuit operation the system maintains two sets of gases one for open circuit and one for closed circuit The way they operate is very similar to the way car radios work with AM and F...

Страница 38: ...s The new style makes visualizing the gas list easier It also reduces button presses for deco gas switches Shows all gases on the screen at once Press MENU to step through gases and SELECT to select t...

Страница 39: ...surface and when diving The values in Dive Setup can also be accessed in the Systems Setup menu but the System Setup menu is not available when diving Pressing SELECT will enter the Dive Setup sub me...

Страница 40: ...dit Low SP menu item If the highest allowable value 1 5 has been passed the value will return to 0 5 Edit High Setpoint The high setpoint function works exactly like the low setpoint function DEPTH TI...

Страница 41: ...you the digit being edited Each push of the MENU button will increment the digit being edited When the digit reaches 9 it will roll over to 0 Pushing SELECT will lock in the current digit and move on...

Страница 42: ...dit Save O O O A3 OC On 14 55 5 OC On OO OO 2 OC On 5O OO 85 86 84 85 86 84 85 86 84 Only turn on gases you are carrying Only turn on the gases you are actually carrying on the dive With radio station...

Страница 43: ...URING A DIVE Computes the decompression profile assuming the ascent Dive Plan Setup will begin immediately There are no settings to enter RMV is last used value LIMITATIONS The Petrel Dive Planner is...

Страница 44: ...iven in tables showing Stp Stop Depth In feet or meters Tme Stop Time In minutes Run Run Time In minutes Qty Gas Quantity in CuFt or liters OC and BO only The first two rows are special the first row...

Страница 45: ...Also the gas quantity required to surface bailout in CC will be reported No Decompression Results Screen Conservatism The conservatism settings GF High and GF Low can be edited in the Dive Setup menu...

Страница 46: ...reduced which prevents bubbles from shrinking Because of this belief the computer will give one MISSED DECO STOP message during the dive and one after the dive and will flash the stop depth and time i...

Страница 47: ...ntal but the concepts may be useful to the advanced diver The last selection is 5 This feature was inspired by Dan Wible s CCR2000 computer Thanks Dan It is the time to surface TTS if you were to stay...

Страница 48: ...ING FAILED with the PPO2 measurements which will all be yellow to indicate that voting has failed When voting has failed the lowest PPO2 reading will be used for deco calculations i e the most conserv...

Страница 49: ...rightness is automatically reduced to extend battery life Setpoint 19 Pressing SELECT when this menu is displayed changes the PPO2 setpoint to 0 19 This menu is only available when on the surface This...

Страница 50: ...nutes Press MENU to see the next dive or SELECT to quit viewing logs Press Back to see the list of dive logs and next to select the next dive and View Upload Log See Firmware Upload and Dive Log Downl...

Страница 51: ...are available in System Setup not all settings in System Setup can be edited in Dive Setup The MENU and SELECT buttons are context sensitive to each sub menu and individual setting When cycling throu...

Страница 52: ...eing denser will display a shallower depth for the same measured pressure versus the Fresh water setting The EN13319 value is between Fresh and Salt It is from the European CE standard for dive comput...

Страница 53: ...re 10ft 3m and 20ft 6m Note that this setting does not affect decompression It only makes the TTS prediction more accurate NDL Display These options were previously covered in the Dive Setup section O...

Страница 54: ...riations in barometric pressure changing the calibrated PPO2 result there is an option to set the Altitude to a SeaLvl Sensor Disp Sets the sensor display mode on the center row of the main screen The...

Страница 55: ...n feet temperature in F Meters Metric units depth in meters temperature in C Brightness Screen brightness can be set to fixed levels or an automatic setting Fixed options Low Longest battery life Med...

Страница 56: ...a dive has started then the computer assumes the surface pressure is 1013 mBar If at altitude this could result in incorrect decompression calculations Flip Screen This function displays the contents...

Страница 57: ...e North In most places a compass does not point towards True North but rather to Magnetic North The difference in angle between these two directions is called the magnetic declination also called magn...

Страница 58: ...urns as possible in 15 seconds Keep metal and magnetic objects away during calibration The calibration can also be reset back to the factory values After calibration it is recommended to compare the c...

Страница 59: ...xt System Setup changeable option is Time which allows the user to set the current time The format can be set to AM PM or 24 hour time Unlock Code The next System Setup changeable option is Unlock whi...

Страница 60: ...ce intervals connected together into one dive Some instructors use a longer end dive delay when teaching courses Alternatively a shorter time can be used to exit dive mode more quickly upon surfacing...

Страница 61: ...less than or equal to this value Also the suggested gas switches when the current gas is displayed in yellow are determined by this value If you change this value please understand its effect For exam...

Страница 62: ...the Shearwater Desktop Click start from the open Update Firmware Box or Download Log The PC will then connect to the Petrel and send the new firmware The Petrel screen will give percentile updates of...

Страница 63: ...itive contact first A small diagram on the bottom of the Petrel shows the proper orientation Accepted battery types The Shearwater Petrel can accept a wide variety of AA sized batteries The Petrel can...

Страница 64: ...o care should be taken to ensure sufficient charge prior to diving 3 6V Saft The Saft LS14500 lithium batteries provide very high energy density However their high cost makes other battery types a bet...

Страница 65: ...e the tissues to be cleared are Firmware Updates A firmware update will clear the tissues Therefore updating the firmware in the middle of a dive trip is not a good idea User Request You can clear the...

Страница 66: ...confirming values There is no way to know the actual PPO2 and the average PPO2 will be calculated as 0 11 the lowest value is the most conservative for decompression calculations This message will app...

Страница 67: ...in the time allotted It can happen occasionally from a transient problem like a battery bounce after an impact It can also be the result of a hardware problem This reset shows up after a software upda...

Страница 68: ...f direct sunlight in a cool dry and dust free environment Avoid exposure to direct ultra violet radiation and radiant heat Do not store batteries in the Petrel for long periods several months Batterie...

Страница 69: ...500 mBar to 1080 mBar Depth of dive start 1 6 m of sea water Depth of dive end 0 9 m of sea water Operating Temperature Range 4 C to 32 C Short Term hours Temperature Range 10 C to 50 C Long Term Stor...

Страница 70: ...y changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Caution Exposure to Radio Frequency Radiation This de...

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