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Shearwater Petrel 2/Perdix/Perdix AI/NERD 2/

Peregrine Firmware v84 Release Notes

VERSION 84

2021-07-21

NOTE

The NERD 2, Petrel 2, Perdix, Perdix AI, and Peregrine share a common firmware
base. Due to hardware differences, not all features are available on all models. The
following changes apply to all models unless otherwise noted.

!

This is a major feature release update.

NEW

Configurable Mini displays have been added. These
allow up to 3 displays to be shown in the area
normally used for 1 display, although at a smaller font
size.

Two Mini display sets can be configured. The set
configurations are separate for the tec modes (OC
Tec, CC/BO) and the rec modes (Air, Nitrox, 3 GasNx).

(all models)

2021-07-21

Rev A

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Содержание NERD 2

Страница 1: ...ll models The following changes apply to all models unless otherwise noted This is a major feature release update NEW Configurable Mini displays have been added These allow up to 3 displays to be shown in the area normally used for 1 display although at a smaller font size Two Mini display sets can be configured The set configurations are separate for the tec modes OC Tec CC BO and the rec modes A...

Страница 2: ...ift transmitter when more than 2 transmitters are used to avoid communications channel conflicts The setup menu for AI has been restructured to allow 4 transmitters to be configured Perdix AI and NERD 2 NEW Previews of the tec center row display configuration have been added to make display setup easier Also more options are available in the tec modes center position all models 2021 07 21 Rev A Pa...

Страница 3: ...red to unlock this feature Contact your Authorised Shearwater Dealer for more information Perdix AI and NERD 2 Open Circuit Air and Nitrox only NEW A sidemount mode has been added The differences in sidemount mode are Reminder indicators are shown to prompt switching tanks SAC and GTR are calculated on the pooled gas quantity of the two tanks The tanks must be the same size A RTR Redundant Time Re...

Страница 4: ...r decompression and CNS calculations This allows the BO CCR to follow the decompression schedule of the primary CCR while still displaying the current loop PPO2 in case the diver needs to start breathing from the BO CCR If the diver does switch to the BO CCR they should not switch from CC to BO since that BO is open circuit bailout Instead the PPO2 Mode can be left as BO CCR if the PPO2 is close t...

Страница 5: ...turns yellow at 6 3 g L No other warnings are generated You may be surprised at how shallow these warning colors appear Read more about why we chose these levels starting on page 66 here recommendations on page 73 Anthony T G and Mitchell S J Respiratory physiology of rebreather diving In Pollock NW Sellers SH Godfrey JM eds Rebreathers and Scientific Diving Proceedings of NPS NOAA DAN AAUS June 1...

Страница 6: ...F Low must be greater than 10 These are the same rules as used on the Teric Fixed a small battery level display glitch that was present when the Li Ion battery type is used and is fully charged Allows firmware to be sent immediately after the dive log manifest list has been sent Stack timer no longer resets when editing the total stack time The used time remains unchanged after total time is edite...

Страница 7: ...not publicly released Fixes an issue that could occur during battery change where under certain conditions after a battery change the tissues integrity check could be bypassed resulting in corrupted decompression tissues This resulted in an obviously incorrect display of a decompression stop depth of OVR while on the surface This issue only affected the Petrel 2 and only on firmware v81 FIX Petrel...

Страница 8: ...s firmware is not being released for the Petrel 1 dive computer The Petrel 1 model sold from 2012 to 2014 has reached memory limitations for adding new features NEW Fixed issue that would not allow 5 delta 5 or CEIL to be configured in bottom row Fixed issue that prevented Bluetooth connection to some third party log software e g libdivecomputer Subsurface Peripheral serial numbers now show when v...

Страница 9: ...07 21 Rev A Page 9 Shearwater Petrel 2 Perdix Perdix AI NERD 2 Peregrine Firmware v81 Release Notes VERSION 73 TO 78 2020 07 23 NOTE Versions 73 to 78 were not publicly released NOTE Version 78 was released only for the Peregrine ...

Страница 10: ...a single fixed gas 21 O2 a k a air is available Simplifies menus and chances for errors when only diving with air Nitrox For single gas nitrox from 21 to 40 3 GasNX The 3 gas nitrox mode is simply a renaming of the existing OC Rec mode Allows 3 gases from 21 to 100 O2 CHANGE all models except CCR controllers NEW Added support for Peregrine hardware Peregrine Only ...

Страница 11: ...es VERSION 78 2020 07 23 Added user configurable Alerts These can be programmed to provide a warning when specified limit is reached Also the applicable display on the main screen will change to yellow while limit is exceeded On the Peregrine the vibration will activate with the warning CHANGE all models ...

Страница 12: ...o configurable display locations Shows ascent or descent at higher resolution than the ascent bar graph Arrow points up when ascending to surface and points down when descending Color coding is applied only during ascents and follows the same rules as the existing ascent rate bar graph All Models All Models Color Ascent Rate ft min m min Default 0 to 35 0 to 10 5 Yellow 36 to 65 10 6 to 19 5 Red 6...

Страница 13: ...cted as an override to limit MOD to the specified depth even when PPO2 allowed that depth to be exceeded Now MOD is purely a function of PPO2 The new Depth Alert feature can be used if you would like an adjustable depth based alert Renamed the Dive Planner to Deco Planner Fixed temperature plot in dive log when log rate is not 10 seconds OC Rec mode only all models all models FIX alI models Factor...

Страница 14: ...e base Due to hardware differences not all features are available on all models The following changes apply to all models unless otherwise noted CHANGE This release was installed on new production No functional changes just support for minor production changes It is not necessary for existing users to update to this firmware version all models VERSION 73 TO 77 2020 09 08 NOTE Versions 73 to 77 wer...

Страница 15: ...bled gas with the lowest O2 always uses the MOD PPO2 limit 2 Gases above 40 O2 only use the Deco PPO2 limit i e they are assumed to be deco gases except if 1 applies 3 Gases 40 and below use the MOD PPO2 until deco stops are needed at which time they use the Deco PPO2 limit except if 1 applies 4 For High PPO2 warnings a 0 04 ATA buffer is used For example if the Deco PPO2 is applicable and is set ...

Страница 16: ...e mini compass was being used There is no change for when the mini compass is not being used where it returns to the compass after marking OC Minimum PPO2 setting default changed to 0 18 ATA from 0 19 ATA Added pink as colour choice for titles font The ascent rate indicator no longer shows the grayed out arrows These did not add much additional information and under some viewing conditions it was ...

Страница 17: ...IX FIX all models all models Fixed issue in OC Rec mode when the safety stop Count Up option was being used where the count up time was being added to the TTS This issue did not affect other modes OC Tec or CC BO Fixed issue where log file would report incorrect surface interval for surface intervals greater than 45 days ...

Страница 18: ...as the NDL replacement appears in place of NDL once deco is needed Log sampling rate can be set to 2 5 or 10 seconds previously always 10 seconds Note that log downloads may take longer with faster sampling rates as more data is being recorded Also less logs can be stored until they are overwritten For example about 1000 hours are stored at a 10 second rate but only 200 hours at a 2 second rate NO...

Страница 19: ...10ft 3m in OC Rec mode OC Rec mode only OC Rec mode only New OC Rec Deco Options The Clear Counter counts up once deco is clear NEW A Deco Clear up counter option has been added Available in OC Tec CC BO and OC Rec modes In OC Rec mode it is available in place of the safety stop Optional in Tec modes When deco clears this counter begins counting up from 0 It is useful for timing additional padding...

Страница 20: ...a OC MOD PPO2 setting The MOD setting only applies to the bottom depth phase The dive computer automatically switches to using the OC Deco PPO2 limit when within 2 stops of the next deco stop The OC Deco PPO2 limit also sets where predictive deco gas switches occur Also if the current gas has greater than or equal to 80 oxygen fraction then the deco limit is used as the gas is assumed to be a deco...

Страница 21: ...2 Sensor and Stack Timer Compass remainder of info screen All models All models All models All models X CCR model only Shearwater Petrel 1 2 Perdix Perdix AI NERD 2 Firmware v65 Release Notes VERSION 65 2019 01 18 FIX FIX Perdix AI only All models The dive log details view of Start and End pressures and SAC has been adjusted to display the values using the same calculations as on the Teric Removed...

Страница 22: ...now includes Surface Gradient Factor SurfGF Dive End Time DET and Delta Plus 5 Δ 5 Previously DET and Δ 5 could only be seen if added to an empty configurable main screen location and SurfGF is new this release Previously there was one row that showed GF99 CEIL 5 TTS Now there are two deco info rows GF99 SurfGF CEIL DET Δ 5 5 TTS Note The Tissues Graph displays in between the deco info rows All mo...

Страница 23: ...ase Due to hardware differences not all features are available on all models The following changes apply to all models unless otherwise noted VERSION 59 2018 07 06 Shearwater Petrel 1 2 Perdix Perdix AI NERD 2 Firmware v59 Release Notes CHANGE CHANGE Adds support for more flash memories for supply chain flexibility No functional change Adds support for the new improved depth sensor for NERD 2 V54 ...

Страница 24: ...he scrubber stack The total time can be changed by the user The warning at 1hr00min and alert at 0hr30min are fixed See v46 release notes in next section for all details NOTE A note on models The NERD 2 Petrel Petrel 2 Perdix and Perdix AI share a com mon firmware base Due to hardware differences not all features are available on all models The following changes apply to all models unless otherwis...

Страница 25: ... that NDL numbers reported by the NDL Planner will now be slightly longer No changes have been made to the deco calculations This change has no impact on in dive NDL numbers The Deco Planner always included the descent time in the bottom time and remains unchanged The seconds bar in the Time display is now drawn in the same color as numeric values previously was drawn in same color as the titles m...

Страница 26: ...ix Perdix AI NERD 2 Firmware v53 Release Notes FIX FIX FIX FIX rEvo SOLO Controller models only Petrel 1 models models with AI only DiveCAN models only Allow the user to set the Solenoid Depth Compensation to On or Off Fixed an issue where the real time clock could run incorrectly after certain power loss events Fixed an issue where OVR overflow was displayed for the SAC value in certain condition...

Страница 27: ...built in li ion charging and battery gauge Added Stack Timer feature for timing rebreather CO2 scrubber duration This is a countdown timer that can be optionally enabled in CCR modes Has a user defined reset time and is manually reset Counts down when in dive mode and generates alarms at 1 hour remaining time and 30 minutes remaining time Increased a Bluetooth timeout that was occasionally falsely...

Страница 28: ...ng firmware The following languages are available on the Petrel Petrel 2 Perdix and Perdix AI English 中文 Simplified Chinese Français French Deutsch German Italiano Italian 日本語 Japanese 한국어 Korean Português Portuguese Español Spanish 中文 Traditional Chinese Fixed problem when unit is in the turned off state at high altitude where it was us ing sea level pressure to update the tissue tensions This re...

Страница 29: ... Removed the Upload Log and Load Upgrade menus The new Start Bluetooth option is at the top level of menus Timer on the configurable row now uses the big font for seconds Some pop up messages have been re titled from Error to Info Warning or Er ror with different colors based on the message type Previously all messages were titled Error even when the message was not due to an error Perdix AI only ...

Страница 30: ...ray was incor rect making the display appear to always be full Now able to add the 5 to the configurable center row locations This was mistakenly omitted from v34 on the Petrel 1 model only Added ability to correct an O2 offset problem that affected Petrel 2 analog PPO2 monitoring models e g the Petrel 2 Fischer that shipped from the factory with firm ware v29 installed Please see the notice at ww...

Страница 31: ...required to upload imag es Better dive log page navigation Allows moving backwards and forwards through the pages of dive logs previously could only move forward or exit The gas will display in flashing red when its PPO2 is outside of a safe breathing range i e below the min PPO2 or above the max PPO2 setting In CC mode this warning refers to the diluent only The breathing loop PPO2 may be in a sa...

Страница 32: ...When editing the dive number for the next recorded dive the menu is now named Next Log and you enter the value for the next dive Previously you would enter the number of the last dive and the next dive would be this value plus one The new method is more intuitive and is better described by the menu name Added a method to recover deleted dive logs In the Dive Log menu there is now a Restore Mode op...

Страница 33: ...u moved to reduce button press es Also the compass can now be viewed while marking Op eration when viewing compass a left button press brings up an Exit Mark menu Right press marks compass Left press exits to main screen Previously had to navigate to regular menus to mark the compass When a heading is marked the display now shows the offset angle between the current heading and the marked heading ...

Страница 34: ...ve planner was too low due to the ascent rate 33 fpm being used to calculate descent 60 fpm Only affect ed gas usage calculations and not the decompression schedule For Perdix backup the deco tissues and clock into permanent memory every 16 sec onds when on every 5 minutes when off Reason is to restore to these values after battery change since Perdix does not have super capacitor Also the Petrel ...

Страница 35: ... screen as before Timer stopwatch display added as an option on the configu rable center row or configurable bottom row More robust method of storing settings to better protect against transient conditions when a battery dies inside unit to prevent corruption of data Automatically turns on the unit when the absolute ambient pressure is greater than 1100 mbar previously was 1300 mbar Result is fast...

Страница 36: ... more than 999 minutes 16h40m When dive time exceeds 999 minutes shows as XXhXXm up to 99h99m However a smaller font must be used to fit the time in the hours and minutes format Better compatibility with some Android devices when uploading logs via Bluetooth Fix to Dive Planner where in certain dives ascent to first stop takes place in one minute rather than actual expected time Fixed wrong CNS an...

Страница 37: ...s power up test i e TEMP PROBE FAIL mes sage then the entire rMS system is locked out and does not provide information Petrel must be turned off and back on to clear this state IMPROVE CHANGE Added limitation that PPO2 calibration cannot be performed when pressure is above 1080 mbar For 3 6V saft battery type improved compensation for temperature and current draw for more accurate battery gauge an...

Страница 38: ...ons A switch up will only occur while descending going deeper across the switch up depth A switch down will only occur while ascending going shallower across the switch down depth If a manual setpoint switch occurs the auto switch will be cancelled if within 6ft 2m of the auto switch depth Previously each auto switch direction could only occur once per dive Also pre viously the auto setpoint switc...

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