comparison src/Docu/Changenote-3-09.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 Firmware 3.09.4
2 ================================
3
4 - When diving in CCR or pSCR mode: An attention and a warning for the gas
5 density has been added. The attention will be given when the density
6 of the current gas mixture reaches 6.0 grams per liter. Upon reaching
7 6.5 grams per liter, a warning will be given. The checks can be enabled
8 or disabled via the menu CCR/pSCR setup > more.
9
10 - Incremented upper limit for SAC Work to 80 l/min to ease usage of the
11 OSTC gas needs calculation in Rock-Bottom mode.
12
13 - Faster response to button events while in dive mode.
14
15 - Hardened all USB/Bluetooth communication against data losses and timeouts.
16
17 - Fixed Bluetooth item disappearing from menu.
18
19 - A new Firmware Recovery Feature has been added: the currently active firmware
20 can be backed-up and restored later on while other firmwares have been loaded
21 thereafter. The feature is accessible via Settings -> System Settings ->
22 Reset Menu -> Reboot and becomes available with the first firmware load after
23 the V3.09 beta 4 (or later) is already on the unit.
24
25
26 Change Note hwos Firmware 3.09.2 + 3.09.3
27 =========================================
28
29 - Added a function to acknowledge pending alarms, attentions and advices
30 so that the exclamation-mark sign disappears: after pressing the left
31 button until "Ackn?" appears, a press on the right button acknowledges
32 the current alarm, attention or advice and suppresses the related sign.
33
34 - Bugfixes: NDL not shown in big layout, external sensor not selectable,
35 flash-write operation on some OSTC hardware, graphical garbage in depth
36 output in big layout when deeper than 100 m.
37
38
39 Change Note hwos Firmware 3.09.1
40 ================================
41
42 - Removed option 'ascent speed', ascent calculation is done with a fixed
43 speed of 10 meters/minute now (equals the ascent speed limit by Bühlmann).
44
45 - Improved calculation accuracy of the initial ascent. Remark: this will
46 have a slight impact on the resulting deco schedule compared to firmware
47 3.07.
48
49 - The deco calculator now figures in the salinity setting.
50
51 - Aligned logbook and last dive summery of avg and max depth regarding
52 rounding and incorporation of salinity setting.
53
54 - Done some fine-tuning of depth outputs when using imperial units (feet).
55
56 - In dive mode, sometimes the temperature was not shown any more after a
57 gas change - fixed now.
58
59 - The menu system around setting up the dive mode & settings has been
60 decluttered. All settings are now sorted into the groups dive setup,
61 deco setup, SAC (gas needs) setup, ppO2 setup and stops & depths setup.
62
63 - There is a new option "Swap on empty" in Dive Setup -> SAC Setup.
64 It is only effective if "CalcGas(B/O)" is switched on, too. If both
65 options are switched on, the deco calculation will switch to another
66 tank (i.e. gas) once the tank of the current gas is calculated to be
67 used up.
68 This function can be used to automatically calculate a contingency in
69 case of running out of a deco gas, as the deco calculation will then
70 continue to calculate a deco making use of the spares from the another
71 gases carried. Another application is with two or more tanks holding
72 the same gas (i.e. independent double configuration, side-mount), as
73 the calculations will then take the cumulative amount of gas carried
74 into account before raising a gas needs attention or alarm.
75
76 - Fixed the urge of the better gas hint to always favor one specific gas
77 out of a set of two or more gases that have the same change depth.
78
79 - For dives done on firmware >= 3.09 the logbook will have one more page
80 showing the tissue pressures and supersaturation levels as of at the
81 end of dive (i.e. when surfacing).
82
83 - As long as a gas or diluent is currently selected as breathed, it can
84 not be set into the lost state any more.
85
86 - When changing the battery or doing a cold start, the current CNS value
87 does not get lost any more.
88
89 - During loading of a new firmware the clock will not loose time any more
90 (on old firmware it became late by about 15 sec on each firmware update).
91
92 - When run from a 3.6 V battery (either replaceable or built-in), the
93 surface mode timeout is now extended to 4 minutes before going to sleep
94 mode. If the OSTC is run from 1.5 V disposables, the timeout remains at
95 the previous 90 seconds to save on battery runtime.
96
97 - Internal improvement: the code for the internal storage system and for
98 the communication system (firmware uploading, dive data downloading)
99 has been re-factored to secure maintainability for the next years to come.
100
101 - Internal improvement: the scheduler for the dive mode calculation plans
102 (fTTS, bailout) has been completely rewritten for better maintainability.