comparison src/Docu/Changenote-3-08.txt @ 634:4050675965ea

3.10 stable release
author heinrichsweikamp
date Tue, 28 Apr 2020 17:34:31 +0200
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633:690c48db7b5b 634:4050675965ea
1 Change Note hwos TECH Firmware 3.08
2 ====================================
3
4 - Removed option 'ascent speed', ascent calculation is done with a fixed
5 speed of 10 meters/minute now (equals the ascent speed limit by Bühlmann).
6
7 - Improved calculation accuracy of the initial ascent. Remark: this will
8 have a slight impact on the resulting deco schedule compared to firmware
9 3.07.
10
11 - The deco calculator now figures in the salinity setting.
12
13 - Aligned logbook and last dive summery of avg and max depth regarding
14 rounding and incorporation of salinity setting.
15
16 - Done some fine-tuning of depth outputs when using imperial units (feet).
17
18 - In dive mode, sometimes the temperature was not shown any more after a
19 gas change - fixed now.
20
21 - The menu system around setting up the dive mode & settings has been
22 decluttered. All settings are now sorted into the groups dive setup,
23 deco setup, SAC (gas needs) setup, ppO2 setup and stops & depths setup.
24
25 - There is a new option "Swap on empty" in Dive Setup -> SAC Setup.
26 It is only effective if "CalcGas(B/O)" is switched on, too. If both
27 options are switched on, the deco calculation will switch to another
28 tank (i.e. gas) once the tank of the current gas is calculated to be
29 used up.
30 This function can be used to automatically calculate a contingency in
31 case of running out of a deco gas, as the deco calculation will then
32 continue to calculate a deco making use of the spares from the another
33 gases carried. Another application is with two or more tanks holding
34 the same gas (i.e. independent double configuration, side-mount), as
35 the calculations will then take the cumulative amount of gas carried
36 into account before raising a gas needs attention or alarm.
37
38 - Fixed the urge of the better gas hint to always favor one specific gas
39 out of a set of two or more gases that have the same change depth.
40
41 - For dives done on firmware >= 3.08 the logbook will have one more page
42 showing the tissue pressures and supersaturation levels as of at the
43 end of dive (i.e. when surfacing).
44
45 - As long as a gas or diluent is currently selected as breathed, it can
46 not be set into the lost state any more.
47
48 - When changing the battery or doing a cold start, the current CNS value
49 does not get lost any more.
50
51 - During loading of a new firmware the clock will not loose time any more
52 (on old firmware it became late by about 15 sec on each firmware update).
53
54 - When run from a 3.6 V battery (either replaceable or built-in), the
55 surface mode timeout is now extended to 4 minutes before going to sleep
56 mode. If the OSTC is run from 1.5 V disposables, the timeout remains at
57 the previous 90 seconds to save on battery runtime.
58
59 - Internal improvement: the code for the internal storage system and for
60 the communication system (firmware uploading, dive data downloading)
61 has been re-factored to secure maintainability for the next years to come.
62
63 - Internal improvement: the scheduler for the dive mode calculation plans
64 (fTTS, bailout) has been completely rewritten for better maintainability.
65
66 - Brand new feature: Cave Mode. See supplemental manual for further details.