annotate src/Docu/Changenote-3-08.txt @ 650:bc214815deb2

3.19/10.75 release
author heinrichsweikamp
date Sun, 28 Aug 2022 13:13:38 +0200 (2022-08-28)
parents 4050675965ea
children
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1 Change Note hwos TECH Firmware 3.08
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2 ====================================
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3
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4 - Removed option 'ascent speed', ascent calculation is done with a fixed
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5 speed of 10 meters/minute now (equals the ascent speed limit by Bühlmann).
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6
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7 - Improved calculation accuracy of the initial ascent. Remark: this will
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8 have a slight impact on the resulting deco schedule compared to firmware
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9 3.07.
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10
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11 - The deco calculator now figures in the salinity setting.
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12
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13 - Aligned logbook and last dive summery of avg and max depth regarding
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14 rounding and incorporation of salinity setting.
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15
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16 - Done some fine-tuning of depth outputs when using imperial units (feet).
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17
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18 - In dive mode, sometimes the temperature was not shown any more after a
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19 gas change - fixed now.
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20
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21 - The menu system around setting up the dive mode & settings has been
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22 decluttered. All settings are now sorted into the groups dive setup,
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23 deco setup, SAC (gas needs) setup, ppO2 setup and stops & depths setup.
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24
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25 - There is a new option "Swap on empty" in Dive Setup -> SAC Setup.
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26 It is only effective if "CalcGas(B/O)" is switched on, too. If both
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27 options are switched on, the deco calculation will switch to another
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28 tank (i.e. gas) once the tank of the current gas is calculated to be
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29 used up.
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30 This function can be used to automatically calculate a contingency in
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31 case of running out of a deco gas, as the deco calculation will then
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32 continue to calculate a deco making use of the spares from the another
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33 gases carried. Another application is with two or more tanks holding
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34 the same gas (i.e. independent double configuration, side-mount), as
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35 the calculations will then take the cumulative amount of gas carried
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36 into account before raising a gas needs attention or alarm.
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37
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38 - Fixed the urge of the better gas hint to always favor one specific gas
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39 out of a set of two or more gases that have the same change depth.
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40
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41 - For dives done on firmware >= 3.08 the logbook will have one more page
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42 showing the tissue pressures and supersaturation levels as of at the
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43 end of dive (i.e. when surfacing).
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44
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45 - As long as a gas or diluent is currently selected as breathed, it can
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46 not be set into the lost state any more.
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47
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48 - When changing the battery or doing a cold start, the current CNS value
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49 does not get lost any more.
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50
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51 - During loading of a new firmware the clock will not loose time any more
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52 (on old firmware it became late by about 15 sec on each firmware update).
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53
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54 - When run from a 3.6 V battery (either replaceable or built-in), the
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55 surface mode timeout is now extended to 4 minutes before going to sleep
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56 mode. If the OSTC is run from 1.5 V disposables, the timeout remains at
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57 the previous 90 seconds to save on battery runtime.
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58
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59 - Internal improvement: the code for the internal storage system and for
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60 the communication system (firmware uploading, dive data downloading)
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61 has been re-factored to secure maintainability for the next years to come.
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62
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63 - Internal improvement: the scheduler for the dive mode calculation plans
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64 (fTTS, bailout) has been completely rewritten for better maintainability.
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65
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66 - Brand new feature: Cave Mode. See supplemental manual for further details.