Shearwater Petrel Standalone Operation Manual

Diving computer for open and closed circuit divers

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Summary of Contents for Shearwater Petrel Standalone

  • Page 1 Standalone & EXT Models...
  • Page 2: Table Of Contents

    Calibration ��������������������������������������������������������������������������������������������������������������30 Single Sensor Mode �������������������������������������������������������������������������������������������31 Calibration Problems ������������������������������������������������������������������������������������������31 Switch Setpoint �����������������������������������������������������������������������������������������������������32 Select Gas �������������������������������������������������������������������������������������������������������������33 Radio Station Gases ������������������������������������������������������������������������������������������33 Select Gas Menu Styles �������������������������������������������������������������������������������������34 Switch to OC/CC ����������������������������������������������������������������������������������������������������35 Dive Setup+ �����������������������������������������������������������������������������������������������������������35 Low Setpoint ������������������������������������������������������������������������������������������������������35 High Setpoint������������������������������������������������������������������������������������������������������36 Revision 1.1.0 Shearwater Research Inc.
  • Page 3 Firmware Upload and Dive Log Download ������������������������������������������������������������57 Changing the Battery ����������������������������������������������������������������������������������������������58 Battery Types ���������������������������������������������������������������������������������������������������������59 Tissues Cleared �������������������������������������������������������������������������������������������������������60 Error Displays ����������������������������������������������������������������������������������������������������������61 Storage and Maintenance ���������������������������������������������������������������������������������������63 Servicing ������������������������������������������������������������������������������������������������������������������63 Fischer Pin-out ��������������������������������������������������������������������������������������������������������63 Specifications ����������������������������������������������������������������������������������������������������������64 FCC Warning ������������������������������������������������������������������������������������������������������������65 Industry Canada Warning ���������������������������������������������������������������������������������������65 Revision 1.1.0 Shearwater Research Inc.
  • Page 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 defense (Except for not doing the dive, of course)� Revision 1.1.0 Shearwater Research Inc.
  • Page 5: Introduction

    Shearwater Petrel 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�...
  • Page 6: Turning

    Shearwater Petrel Turning On To turn the Petrel on, press both the MENU (left) and the SELECT (right) buttons at the same time� Revision 1.1.0 Shearwater Research Inc.
  • Page 7: Buttons

    No other operation requires pressing both buttons at the same time� Button Hints When in a menu, button hints label each button� For example, the hints to the right tell us: use MENU to change the brightness value� use SELECT to save the current value� Revision 1.1.0 Shearwater Research Inc.
  • Page 8: The Main Screen

    Color Blind Users The warning or critical alert states can be determined without the use of color� Warnings display on a solid inverted background� Critical alerts flash between inverted and normal text. Revision 1.1.0 Shearwater Research Inc.
  • Page 9: The Top Row

    The default behavior is that battery icon is shown on the low battery surface but disappears when diving� If low or critical then the change battery icon will appear while diving� now! Revision 1.1.0 Shearwater Research Inc.
  • Page 10 Above 4 days, the surface interval is displayed in days� The surface interval is reset when the decompression tissues are cleared� See the section on Tissues Cleared� Sample surface main screen showing the surface interval Revision 1.1.0 Shearwater Research Inc.
  • Page 11: The Center Row

    0�40 or greater than 1�6� In OC mode, PPO2 displays in Flashing Red when less than 0�19 or greater than 1�65� The above limits can be adjusted in the Adv. Config 2 menu. Revision 1.1.0 Shearwater Research Inc.
  • Page 12: Center Row Configuration

    The center position can only display PPO2� In OC only mode, the PPO2 display can optionally be turned off� Unfortunately, customization is not possible when using External PPO2 monitoring of three O2 sensors, as all the space is already used� Revision 1.1.0 Shearwater Research Inc.
  • Page 13: The Bottom Row

    NDL (see Dive SetupNDL Display)� The options are: CEIL: The current ceiling in the current units (feet or meters)� CEIL Flashes Red if you ascend shallower than the current ceiling� Revision 1.1.0 Shearwater Research Inc.
  • Page 14 Press SELECT (right button) to step through info screens� Menus: Allows changing settings� Press MENU (left button) to enter menus� Warnings: Provide important alerts� Press SELECT (right button) to clear a warning� The bottom row is used to display additional information Revision 1.1.0 Shearwater Research Inc.
  • Page 15: Info Screens

    The info screen content is optimized for each mode� Set the Petrel to the mode you will be using (e�g� OC) and step through the info screens to get familiar with the content� The next section describes the individual values shown on the info screens� Revision 1.1.0 Shearwater Research Inc.
  • Page 16 PPO2� Use this info display to see the OC PPO2� PPO2 In CC mode, displays in Flashing Red when less than 0�40 or greater than 1�6� In OC mode, displays in Flashing Red when less than 0�19 PPO2 or greater than 1�65� Revision 1.1.0 Shearwater Research Inc.
  • Page 17 (i�e� how close they are as a percentage to Bühlmann's original super-saturation limits)� Also, this scale changes with depth, since the M-Value line also changes with depth� 16 tissue compartments Inspired inert M-Value pressure gas pressure Ambient pressure Increasing pressure Revision 1.1.0 Shearwater Research Inc.
  • Page 18 Serial Number & Version: Each Petrel has a unique serial number� SERIAL NO VERSION 1234ABCD 2OOOO37 The version number indicates the available features� The last two numbers are the firmware version (V37 in this image). Revision 1.1.0 Shearwater Research Inc.
  • Page 19: Menus

    Anything that had been previously saved will be retained� Anything that was in the middle of editing will be discarded� Adaptive Menus Only menus necessary for the current mode are shown� This keeps operation simple, prevents mistakes, and reduces buttons presses� Revision 1.1.0 Shearwater Research Inc.
  • Page 20: Open Circuit Menu Structure

    Define Gas NDL Display Dive Planner+ Brightness Dive Log+ Display Log Surface only Upload Log Edit Log Number System Setup+ Dive Setup OC Gases Surface only Deco Setup Display Setup Center Row System Setup Advanced Config Revision 1.1.0 Shearwater Research Inc.
  • Page 21: Closed Circuit (Int� Ppo2) Menu Structure

    Dive Log+ Display Log Surface Brightness only Upload Log Edit Log Number CC Gases System Setup+ Dive Setup Surface only Auto SP Switch Deco Setup Display Setup Center Row System Setup OC Gases Advanced Config Revision 1.1.0 Shearwater Research Inc.
  • Page 22: Closed Circuit (Ext� Ppo2) Menu Structure

    Brightness Conserv. Dive Log+ Display Log Surface only Upload Log Edit Log Number CC Gases System Setup+ Dive Setup Surface only O2 Setup Deco Setup Display Setup Center Row System Setup OC Gases Advanced Config Revision 1.1.0 Shearwater Research Inc.
  • Page 23: Basic Setup

    PPO2 of less than 1�6 for open circuit diving� NOTE: These gases are used automatically only for TTS predictions� The gas used to calculate the current tissue load and the current ceiling is always the gas actually selected by the diver� Revision 1.1.0 Shearwater Research Inc.
  • Page 24: Simple Example Dive

    NDL of 99 minutes again� Once we surface, the depth GasPPO2 is 0 and a minute later when the computer comes out of dive mode, O2/HE the NDL goes to 0 as well� OC 21/OO 99 O Revision 1.1.0 Shearwater Research Inc.
  • Page 25: Complex Example Dive

    STOP TIME DEPTH TIME STOP TIME .98 .98 .98 .98 .98 .98 .98 .98 .98 Set 3 OC 14/55 Set A1 OC 99/OO Set 2 OC 5O/2O Cancel Select Next Gas Select Next Gas Select Revision 1.1.0 Shearwater Research Inc.
  • Page 26 20 fpm / 6 mpm ascent rate� The Petrel 1.3O 1.29 1.29 assumes a 30 fpm ascent rate in calculating the decompression O2/HE schedule� Since the diver ascended slower than was predicted, CC 1O/5O O 22 there is now a 100 foot stop� Revision 1.1.0 Shearwater Research Inc.
  • Page 27 SELECT picks the O2� Since the gases are sorted by oxygen content, the O2 is the first gas offered. Set 1 OC 99/OO This was a multi-gas trimix dive with a multi-gas open circuit bailout, Cancel Select and it required 9 button pushes� Revision 1.1.0 Shearwater Research Inc.
  • Page 28: Gauge Mode

    The AVG depth displayed on the surface is for the entire dive, regardless of whether the reset average depth option was used� The dive log also records the average depth for the entire dive� Revision 1.1.0 Shearwater Research Inc.
  • Page 29: Decompression And Gradient Factors

    The default of the system is 30/70� The system provides several settings that are more aggressive than the default� Don’t use the system until you understand how it works� Graph from Erik Baker’s “Clearing Up The Confusion About Deep Stops” Revision 1.1.0 Shearwater Research Inc.
  • Page 30: Menu Reference

    (1 ata), then PPO2 will be 0�98� If any display shows FAIL, the calibration has failed because the mV reading is out of range� The “Calibrate” menu item will not display during a dive� Revision 1.1.0 Shearwater Research Inc.
  • Page 31: Single Sensor Mode

    FO2 and PPO2 will be even larger� To see the current pressure, start at the main screen and press the SELECT PRESSURE mBar button a few times (displays as Pressure mBar NOW)� SURF Revision 1.1.0 Shearwater Research Inc.
  • Page 32: Switch Setpoint

    System SetupAuto SP Switch menu, the Petrel can be setup to automatically perform setpoint switches at programmable depths� When auto setpoint switches are enabled, this menu item is still available to provide manual control� Revision 1.1.0 Shearwater Research Inc.
  • Page 33: Select Gas

    Just like the FM stations are selected when your radio is in FM mode, the closed circuit gases are available in the closed circuit mode� When you switch to open circuit, the gases available will be open circuit gases� Revision 1.1.0 Shearwater Research Inc.
  • Page 34: Select Gas Menu Styles

    (highest PPO2 less than 1�61)� This reduces button presses in most cases� • On the surface or when no deco stops are needed, the first gas pointed to will be the active gas� Active Gas is White Revision 1.1.0 Shearwater Research Inc.
  • Page 35: Switch To Oc

    .85 .86 .84 Press the SELECT button when “Edit Low SP” is displayed and the edit Edit Low SP O.4 display will be shown� It is set at the lowest valid value for setpoint, �4� Change Save Revision 1.1.0 Shearwater Research Inc.
  • Page 36: High Setpoint

    If the highest allowable value, 1�5, has been passed, the value will return to 0�4� Next Edit High Setpoint DEPTH TIME SURFACE The high setpoint function works exactly like the low setpoint .85 .86 .84 function� Edit High SP 1.3 Next Edit Revision 1.1.0 Shearwater Research Inc.
  • Page 37: Define Gas

    Pushing SELECT on the last digit will finish editing that gas, and bring you back to the gas number� .85 .86 .84 Any gases that have both oxygen and helium set to 00 will not be 2 OC On 5O/OO displayed in the “Select Gas” function� Change Save Revision 1.1.0 Shearwater Research Inc.
  • Page 38 If you often use other gases, but not on this dive, you can enter the gas and turn it off� You can turn gases on and off during a dive and you can also add or remove a gas dur- ing the dive if needed� Revision 1.1.0 Shearwater Research Inc.
  • Page 39: Dive Planner

    The planner will use the configured last stop depth. • For CC, the PPO2 is constant for the entire dive� • The RMV is the same while diving as during deco� • Semi-closed uses a metabolic offset� Revision 1.1.0 Shearwater Research Inc.
  • Page 40 If more than 5 stops are needed, the results will be split onto on several screens� Use the right button to step through the screens� For OC or BO profiles, a total gas consumption report is given. Gas Usage Report Revision 1.1.0 Shearwater Research Inc.
  • Page 41: Conservatism

    For example, if you worked much harder on the bottom segment than expected, you may wish to add conservatism by reducing the GF High setting DEPTH TIME STOP TIME .85 .86 .84 Conserv 3O/7O Next Edit Revision 1.1.0 Shearwater Research Inc.
  • Page 42: Ndl Display

    10 feet or 3 meters� So a gradient of 40 may O2/HE GF99 TTS CC 1O/5O 12 42 reflect a ceiling of 15 feet, but the computer will show a rounded-up 20 foot stop� Revision 1.1.0 Shearwater Research Inc.
  • Page 43 When your TTS is 10 minutes, you see that your @+5 is 9 minutes� Since the decompression is not very efficient now, you go up the line and spend the last 10 minutes in the current. Revision 1.1.0 Shearwater Research Inc.
  • Page 44: External Ppo2 Monitoring

    The external PPO2 continues to display because the diver may need to return to the loop, and will need to know the PPO2 status of the loop, .48 .97 1.26 even though the sensor input is not being used as the system PPO2� AvgPO2 Revision 1.1.0 Shearwater Research Inc.
  • Page 45: Brightness

    The brightness of the display is the major determinant of battery life� Up to 80% of the power consumption is to power the display� When a low battery alert occurs, the display brightness is automatically reduced to extend battery life� Revision 1.1.0 Shearwater Research Inc.
  • Page 46: Dive Log Menu

    .85 .86 .84 The next dive number will be +1 from the value entered here� For example, if you enter 0015, then the next dive will be dive Log Number= OOOO number 16� Next Edit Revision 1.1.0 Shearwater Research Inc.
  • Page 47: System Setup

    O.OO Example SELECT button will be used to move to the next field. Once the user Change Next has pressed SELECT through all the fields, the new user preferences will be saved� Revision 1.1.0 Shearwater Research Inc.
  • Page 48: Dive Setup

    Fresh water setting� The EN13319 value is between Fresh and Salt� It is from the European CE standard for dive computers, and is the Petrel’s default value� Revision 1.1.0 Shearwater Research Inc.
  • Page 49 CEIL Salinity Salt PPO2 Mode Low SP High SP On the Petrel Standalone (SA) model, this value is always Int (internal Edit Edit Next fixed PPO2). On the Petrel External (EXT) model, this value can be set to either: • Int. (Internal fixed PPO2 set points) •...
  • Page 50: Deco Setup

    The interface conveniently displays all OO/OO 5 CC Next Edit five gases simultaneously. For a description of how to appropriately set each gas, please see the above Define Gas section Revision 1.1.0 Shearwater Research Inc.
  • Page 51: O2 Setup

    O4Oft Down Depth First, you set the whether the “Up” switch occurs automatically Next Edit or manually� If “Up” is set to “Auto”, then you can set the depth at which the auto switch occurs� Revision 1.1.0 Shearwater Research Inc.
  • Page 52: Display Setup

    It provides maximum Change Save brightness in bright sunlight, but then lowers brightess to save Display Setup battery life when the environment gets darker� Feet Units Auto ‣Brightness SeaLvl Altitude Flip Screen Change Save Revision 1.1.0 Shearwater Research Inc.
  • Page 53 Flip Screen This function displays the contents of the screen upside down� This is used for systems with a permanent connection to a rebreather� It allows the computer to be worn on the right arm� Revision 1.1.0 Shearwater Research Inc.
  • Page 54: System Setup

    14-Aug-2O12 Date the Petrel� ‘Reset to Defaults’ cannot be reversed� 12:28PM Time Unlock Load Upgrade Note: This will not delete dive logs, or reset dive log numbers� ‣Reset to Defaults Exit Reset Revision 1.1.0 Shearwater Research Inc.
  • Page 55: Advanced Configuration 1

    Gas Select The style of Select Gas menu� Either Classic or New� Classic style shows one gas at a time in the large font� New style shows all gases at once, but in the small font� Revision 1.1.0 Shearwater Research Inc.
  • Page 56: Advanced Configuration 2

    CC Max. PPO2: PPO2 displays in flashing red when greater than this value� (Default 1�60) Note: In both OC and CC mode, a “Low PPO2” or “High PPO2” alert is displayed when the limits are violated for more than 30 seconds� Revision 1.1.0 Shearwater Research Inc.
  • Page 57: Firmware Upload And Dive Log Download

    The Petrel screen will switch from ”Initializing” to “Wait PC” which will have a countdown� Now go back to 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.
  • Page 58: Changing The Battery

    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 accept any AA sized (or 14500 size) battery that outputs a voltage between 0�9V and 4�3V�...
  • Page 59: Battery Types

    NiMH rechargeables� Good in cold water� NOTE: Battery operating lifetimes are given with screen on medium brightness and at room temperature� Higher brightness and lower temperature can reduce life� Lower brightness can increase life� Revision 1.1.0 Shearwater Research Inc.
  • Page 60: Tissues Cleared

    Petrel off before changing the battery is the best practice� Changing To/From Gauge Mode: In gauge mode the Petrel does not know what gas you are breathing and cannot track tissue loading� Therefore, when changing to or from gauge mode, the tissues are cleared� Revision 1.1.0 Shearwater Research Inc.
  • Page 61: Error Displays

    1.3O 1.32 1.31 This message will appear when your internal battery is low for 30 Error CONFIRM seconds� The battery needs to be changed� The computer will also LOW BATTERY INT flash the battery symbol red� Revision 1.1.0 Shearwater Research Inc.
  • Page 62 Error Confirm UPGRADE RESET This is not an exhaustive list� Please contact Shearwater if you experience any unexpected errors� The center row also shows permanent "Low PPO2" or "High PPO2" messages when the PPO2 is not in a safe range� These message will clear automatically once a safe PPO2 is restored�...
  • Page 63: Storage And Maintenance

    Do not tighten or remove the faceplate screws� Clean with water ONLY� Any solvents may damage the Petrel dive computer� Service of the Petrel may only be done at Shearwater Research, or by any of our authorized service centers� Your nearest service center can be found at www�shearwaterresearch�com/contact...
  • Page 64: Specifications

    Linear response to PPO2 Temp� comp� in sensor Common negative Range 0mV to 100mV External O2 Sensor Input 100kΩ Resistance Weight 0�4kg Size (W X L X H) 84mm X 74mm X 38mm 100mm X 74mm X 38mm Revision 1.1.0 Shearwater Research Inc.
  • Page 65: Fcc Warning

    The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess of Health Canada limits for the general population; consult Safety Code 6, obtainable from Health Canada’s website www�hc-sc�gc�ca/ewh-semt/ pubs/radiation/radio_guide-lignes_direct-eng�php#sc6 Contains TX IC: 216QEbzzMU Revision 1.1.0 Shearwater Research Inc.

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