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Documentation: update french translation of user-manual
Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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@ -304,11 +304,10 @@ a *W*, e.g. W07°, or with a negative value, e.g. -7.34323.
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Some keyboards don't have the degree sign (°). It can be replaced by a d
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like that: N30d W20d.
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Please note that GPS coordinates of a dive site are linked to the Location
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name - so adding coordinates to dives that do not have a location
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description will cause unexpected behaviour (Subsurface will think that all
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of these dives have the same location and try to keep their GPS coordinates
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the same).
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Note that GPS coordinates of a dive site are linked to the Location name -
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so adding coordinates to dives that do not have a location description will
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cause unexpected behaviour (Subsurface will think that all of these dives
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have the same location and try to keep their GPS coordinates the same).
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*Dive mode*: This is a dropdown box allowing one to choose the type of dive
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performed. The options are OC (Open Circuit, the default setting, meant for most recreational dives),
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@ -1856,15 +1855,16 @@ Closed system rebreathers use advanced technology to recirculate gas that
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has been breathed while doing two things to maintain a breathable oxygen
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concentration:
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a) remove carbon dioxide from the gas that has been exhaled
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regulate the oxygen concentration to remain within safe diving limits.
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Currently, within _Subsurface_, the Poseidon MkVI Discovery is the best
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supported CCR dive computer. The CCR interface of _Subsurface_ is currently
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experimental and under active development. In contrast to a conventional
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regulate the oxygen concentration to remain within safe diving limits. The
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CCR interface of _Subsurface_ is currently experimental and under active
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development. Subsurface currently supports Poseidon MkVI and APD
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Discovery/Evolution dive computers. In contrast to a conventional
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recreational dive computer, a CCR system computer does not allow the
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download of a log containing multiple dives. Rather, each dive is stored
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independently. This means that _Subsurface_ cannot download a dive log
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directly from a CCR dive computer, but that it imports CCR dive logs in the
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same way that it imports dive log data from other digital databases.
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same way that it imports dive log data from other digital databases: one
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dive at a time.
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===== Import a CCR dive
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@ -1873,14 +1873,14 @@ information from other digital sources]. From the main menu of _Subsurface_,
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select _Import -> Import log files_ to bring up the
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xref:Unified_import[universal import dialogue]. As explained in that
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section, the bottom right hand of the import dialogue contains a dropdown
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list of appropriate devices that currently includes an option for (Poseidon)
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MkVI files (import for other CCR equipment is under active
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development). Having selected the appropriate CCR format and the directory
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where the original dive logs have been stored from the CCR dive computer,
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one can select a particular dive log file (in the case of the MkVI it is a
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file with a .txt extension). After selecting the appropriate dive log,
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activate the _Open_ button at the bottom right hand of the universal import
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dialogue.
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list (labled _Filter:_) of appropriate devices that currently
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includes(Poseidon) MkVI or APD log viewer files (import for other CCR
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equipment is under active development). Having selected the appropriate CCR
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format and the directory where the original dive logs have been stored from
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the CCR dive computer, one can select a particular dive log file (in the
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case of the MkVI it is a file with a .txt extension). After selecting the
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appropriate dive log, activate the _Open_ button at the bottom right hand of
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the universal import dialogue. See the section below for
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===== Displayed information for a CCR dive
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@ -1910,18 +1910,18 @@ The oxygen setpoint values as well as the readings from the individual
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oxygen sensors can be shown. The display of additional CCR information is
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turned on by checking the appropriate checkboxes in the _Preferences_ panel
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(accessible by selecting xref:S_CCR_options[_File -> Preferences ->
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Graph_]). This part of the _Preferences_ panel look like this, representing
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two checkboxes that modify the display of pO~2~ when the appropriate toolbar
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button on the Dive Profile has been activated.
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Graph_]). This part of the _Preferences_ panel is shown in the image below,
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representing two checkboxes that modify the display of pO~2~ when the
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appropriate toolbar button on the Dive Profile has been activated.
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image::images/CCR_preferences_f20.jpg["FIGURE: CCR preferences panel", align="center"]
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Checking any of the check boxes allows the display of additional
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Checking any of these check boxes allows the display of additional
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oxygen-related information whenever the pO~2~ toolbar button on the
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_Profile_ panel is activated. The first checkbox allows the display of
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setpoint information. This is a red line superimposed on the green oxygen
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partial pressure graph and allows a comparison of the mean measured oxygen
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partial pressure and the setpoint values, as in the image below.
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partial pressure and the setpoint values, as shown below.
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image::images/CCR_setpoint_f20.jpg["FIGURE: CCR setpoint and po2 graph", align="center"]
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@ -1957,14 +1957,32 @@ including an overlay of setpoint and oxygen sensor data, as well as the
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cylinder pressure data. In this case there is good agreement from the
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readings of the two oxygen sensors.
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image::images/CCR_dive_profile_f20.jpg["FIGURE: CCR dive profile", align="center"]
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image::images/CCR_dive_profile_f22.jpg["FIGURE: CCR dive profile", align="center"]
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_Equipment-specific information_: Equipment-specific information gathered by
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_Subsurface_ is shown in the xref:S_ExtraDataTab[Extra data tab]. This may
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include setup information or metadata about the dive.
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The deco ceiling calculated by Subsurface is not very accurate because the
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precise pressure of nitrogen in the loop can usually not be determined from
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the dive log imported from the CCR equipment. Many CCR dive computers,
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however, report an internally-calculated deco ceiling that is reported in
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the dive log, reflecting a more accurate assessment. The display of this
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ceiling is activated by clicking the appropriate button to the left of the
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dive profile:
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[icon="images/icons/cceiling.jpg"]
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The default colour of the computer-generated deco ceiling is white. However,
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this can be set to red by checking the appropriate check box after selecting
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_File -> Preferences -> Graph_. Below is a dive profile indicating the dive
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computer-generated deco ceiling:
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image::images/CCR_dive_ceilingF22.jpg["FIGURE: CCR computer-generated deco ceiling", align="center"]
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More equipment-specific information for downloading CCR dive logs for
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Poseidon MkVI and APD equipment can be found in xref:S_PoseidonMkVI[Appendix
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Poseidon MkVI and APD equipment can be found in
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xref:_appendix_b_dive_computer_specific_information_for_importing_dive_information[Appendix
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B].
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== Obtaining more information about dives entered into the logbook
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@ -2815,78 +2833,90 @@ same process could be used for the Cloud-based storage of dive logs.
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[[S_PrintDivelog]]
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== Printing a dive log
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_Subsurface_ provides a simple interface to print a whole dive log or only a few selected dives.
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Pre-installed templates or a custom written template can be used to choose where the data will
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be fitted into the page.
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_Subsurface_ provides a simple and flexible interface to print a whole dive log or only a few selected dives.
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Pre-installed templates or a custom written template can be used to choose where the data are fitted into the page.
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Before printing, two decisions are required:
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- Should the whole dive log be printed or only part of it? If only part of the
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dive log is required, then the user must select the required dives from the
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*Dive List* panel.
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- What gas partial pressure information is required on the dive profile? Users
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should select the appropriate toggle-buttons on the button bar to the left
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of the Dive Profile panel.
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dive log is required, then select the required dives from the *Dive List*
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panel.
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- If the dive profiles needs printing, what gas partial pressure information
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should be shown? Select the appropriate toggle-buttons on the button bar to
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the left of the *Dive Profile* panel.
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Now the print options should be selected to match the user's needs. To do
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this, user should select _File -> Print_ from the Main menu. The following
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dialogue appears (see the image on the left [A], below).
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If _File -> Print_ is selected from the Main menu, the the dialogue below
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(image *A*) appears. Three specifications are needed to achieve the desired
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information and page layout:
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image::images/PrintDiveLog.jpg["FIGURE: Print dialogue", align="center"]
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image::images/Print1_f22.jpg["FIGURE: Print dialogue", align="center"]
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Under _Print type_ users need to select one of two options:
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1. Under _Print type_ select one of two options:
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- _Dive list_ print: print dives from the list with profiles and other
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information.
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- _Statistics_ print: print yearly statistics of the dives.
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- _Dive list print_: Print dives from the *Dive List* panel with profiles and
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other information.
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- _Statistics print_: Print yearly statistics of the dives.
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Under _Print options_ users need to select:
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2. Under _Print options_ select:
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- Printing only the dives that have been selected from the dive list prior to
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activating the print dialogue, achieved by checking the box _Print only
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selected dives_.
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- Printing in colour, achieved by checking the box with _Print in colour_.
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- Printing only the dives selected from the dive list prior to activating the
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print dialogue by checking the box _Print only selected dives_. If this
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check box is *not* checked all dives in the *Dive List* panel are printed.
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- Printing in colour, achieved by checking the box with _Print in colour_. If
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this check box is not checked, printing is in monochrome (grey scale).
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Under _Template_ users can select:
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Under _Template_ select a template to be used as the page layout. There are
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several templates (see image *B*, above).
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- A template to be used as the page layout.
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- _Table_: This prints a summary table of all dives selected (see below).
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- _Delete_ a template from the template list
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- _Import_ a new template to the template list
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- _Export_ a template from the template list
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- _Edit_ a template (choose colors, fonts, font-type)
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image::images/Print_summarylist_f22.jpg["FIGURE: Print summary table", align="center"]
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When editing a template the following options are available:
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- _Flow layout_: Print the text associated with each diev without printing the
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dive profiles
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of each dive (see below):
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- _Style_: edit font type, size, choose color palette; this will not affect
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the template HTML code
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- _Template_: edit the template HTML code; by saving, the "Custom" template in
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the template list will be replaced
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- _Colors_: edit the current color palette; the new color palette will
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overwrite the "Custom" color palette
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image::images/Print_flow_layout_f22.jpg["FIGURE: Print flow layout", align="center"]
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- _One Dive_: Print one dive per page, also showing the dive profile (see
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below)
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image::images/print2_f22.jpg["FIGURE: Print one dive / page", align="center"]
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- _Two Dives_: Print two dives per page, also showing the dive profiles.
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- _Six Dives_: Print six dives per page, also showing the dive profiles.
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- _Custom_: This option allows customisation of the print contents and
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layout. This is
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discussed at the end of this section.
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Users can _Preview_ the printed page by selecting the _Preview_ button on
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the dialogue. After preview, changes to the options in the print dialogue
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can be made, resulting in a layout that fits personal taste.
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the dialogue (see image *A* at the start of this section). After preview,
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changes to the options in the print dialogue can be made, resulting in a
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layout that fits personal taste.
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Next, select the _Print_ button in the dialogue. This activates the regular
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print dialogue used by the user operating system (image [*B*] in the middle,
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above), allowing them to choose a printer and to set its properties (image
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[*C*] on the right, above). It is important to set the print resolution of
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the printer to an appropriate value by changing the printer
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properties. Finally, one can print the dives. Below is a (rather small)
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example of the output for one particular page.
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Next, select the _Print_ button (see image *A* at the start of this
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section). This activates the regular print dialogue used by the user
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operating system, allowing one to choose a printer and to set its properties
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(see image below):
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image::images/Print_print_f22.jpg["FIGURE: Print one dive / page", align="center"]
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Set the print resolution of the printer to an appropriate value by changing
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the printer _Properties_. Finally, select the _Print_ button to print the
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dives. Below is a (rather small) example of the output for one particular
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page.
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image::images/Printpreview.jpg["FIGURE: Print preview page", align="center"]
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=== Write a custom printing template (advanced)
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Writing a custom template is an effective way to produce highly customized
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printouts. Subsurface uses HTML templates with Grantlee as the printing
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backend.
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See <<_appendix_f_write_a_custom_printing_template ,APPENDIX F>> for
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information on how to write your own template.
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printouts. Subsurface uses HTML templates to render printing. One can create
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a template, export a new template, import an existing template and delete an
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existing template by using the appropriate buttons under the _Template_
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dropdown list in the print dialogue. See <<S_APPENDIX_E,APPENDIX E>> for
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information on how to write or modify a template.
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[[S_Configure]]
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== Configurer un ordinateur de plongée
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@ -4058,7 +4088,7 @@ _Subsurface_ accesses the .txt and the .csv files to obtain dive log
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information.
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=== Importing from APD Inspiration CCR
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=== Importing from APD Inspiration/Evolution CCR
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[icon="images/APDComputer.jpg"]
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[NOTE]
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@ -4070,25 +4100,39 @@ managed from within _Subsurface_ (together with dives using many other types
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of dive computer). The APD inspiration dive logs are imported into
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_Subsurface_ as follows:
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- Download the dive using _AP Communicator_.
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- Open a dive within the _AP Log Viewer_.
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- Select the tab at the top of the screen, entitled "_Data_".
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- If the raw dive log data show on the screen, click on "_Copy to Clipboard_".
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- Open a text editor, e.g. Notepad (Windows), TextWrangler (Mac).
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- With the raw dive log data show on the screen, click on "_Copy to
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Clipboard_".
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- Open a text editor, e.g. Notepad (Windows) or TextWrangler (Mac).
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- Copy the contents of the clipboard into the text editor and save the text
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file with a filename extension of .CSV
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file with a filename extension of _.apd_
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- Within _Subsurface_, select _Import -> Import log files_ to open the
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xref:Unified_import[universal import dialogue].
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- In the dropdown list towards the bottom right of the dialogue, select "_CSV
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files_".
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- On the list of file names select the .CSV file that has been created
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above. An import dialogue opens.
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- In the dropdown list on the top left labeled '_Pre-configured imports_",
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select _APD Log Viewer_.
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- Ensure the other settings for the ADP dive log are appropriate, then select
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_OK_.
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- In the dropdown list towards the bottom right of the dialogue (labled
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'Filter:'), select "APD log viewer".
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- On the list of file names select the _.apd_ file that has been created
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above. An import dialogue opens indicating the default settings for the data
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in the _.apd_ file. If any changes are required, do this as for
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xref:S_ImportingCSVDives[CSV imports].
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The APD dive log will appear within _Subsurface_.
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image::images/APD_CSVimportF22.jpg["Figure: APD log viewer import", align="center"]
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- The top left hand dropdown box in the import panel allows one to select the
|
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APD dive computer for which the dive log needs to be imported. The default
|
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it is DC1, _i.e._ the first of the two dive computers the APD uses. It is
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||||
possible to sequentially import the data for both dive computers by first
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importing CD1 and then DC2.(*Hint*: The logs for the two dive computers are
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viewed by selecting _View -> Next DC_ from the Main Menu after the uploading
|
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has been completed)
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- Click the _Ok_ button at the bottom of the import panel.
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The APD dive log will appear within _Subsurface_. The dive
|
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computer-generated ceiling generated by the Inspiration can be viewed by
|
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selecting the appropriate button on the left of the *Dive Profile*. Cylinder
|
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pressure data are not logged by the APD equipment but can be manually
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entered in the _Equipment_ Tab.
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== APPENDIX C: Exporting Dive log information from external dive log software.
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|
@ -4219,8 +4263,8 @@ Once this is done, open the saved database file with Subsurface and the
|
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dives are automatically converted to our own format. Last step to do is save
|
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the log file in Subsurface.
|
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|
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[[S_Appendix_D]]
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== ANNEXE D : Exporter un tableur vers le format CSV
|
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[[S_Appendix_D]]
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De nombreux plongeurs conservent un carnet de plongée sous forme de fichier
|
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numérique, souvent un tableur avec différents champs et informations. Ces
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|
@ -4318,92 +4362,55 @@ that was selected. One can double check the .CSV file by opening it with a
|
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text editor, and then import the dive data as explained on the section
|
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xref:S_ImportingCSVDives[Importing CSV dives].
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== APPENDIX E: FAQs.
|
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[[S_APPENDIX_E]]
|
||||
== ANNEXE E : Créer un modèle d'impression personnalisé
|
||||
|
||||
=== Subsurface appears to miscalculate gas consumption and SAC
|
||||
[[SAC_CALCULATION]]
|
||||
'Question': I dived with a 12.2 l tank, starting with 220 bar and ending
|
||||
with 100 bar, and I calculate a different SAC compared what _Subsurface_
|
||||
calculates. Is _Subsurface_ miscalculating?
|
||||
_Subsurface_ provides a mechanism to create or modify templates for printing
|
||||
dive logs in order to produce customised printouts of dive logs. Templates,
|
||||
written in HTML as well as a simple Grantlee instruction set, are rendered
|
||||
to the print device by _Subsurface_.
|
||||
|
||||
'Answer': Not really. What happens is that _Subsurface_ actually calculates
|
||||
gas consumption differently - and better - than you expect. In particular,
|
||||
it takes the incompressibility of the gas into account. Traditionally, Gas
|
||||
consumption and SAC should be: +consumption = tank size x (start pressure -
|
||||
end pressure)+
|
||||
Templates are accessed using the print dialogue (see image *B* below).
|
||||
|
||||
and that's true for an ideal gas, and it's what you get taught in dive
|
||||
theory. But an "ideal gas" doesn't actually exist, and real gases actually
|
||||
don't compress linearly with pressure. Also, you are missing the fact that
|
||||
one atmosphere of pressure isn't actually one bar. So the *real*
|
||||
calculation is:
|
||||
image::images/Print1_f22.jpg["FIGURE: Print dialogue", align="center"]
|
||||
|
||||
+consumption = (amount_of_air_at_beginning - amount_of_air_at_end)+
|
||||
The buttons under the _Template_ dropdown box allows one to _Edit_,
|
||||
_Delete_, _Import_ and to _Export_ templates (see image *A* above). New or
|
||||
modified templates are stored as HTML files in the same directory as the
|
||||
dive log being processed. In order to create or modify a template, select
|
||||
the _Custom_ template from the template dropdown list in the print dialogue
|
||||
(see image *B* above), then select _Edit_.
|
||||
|
||||
where the amount of air is *not* just "tank size times pressure in bar".
|
||||
It's a combination of: "take compressibility into account" (which is a
|
||||
fairly small issue under 220 bar - you'll see more differences when you do
|
||||
high-pressure tanks with 300bar) and "convert bar to atm" (which is the
|
||||
majority of your discrepancy). Remember: one ATM is ~1.013 bar, so without
|
||||
the compressibility, your gas use is:
|
||||
The Edit Panel comprises three tabs:
|
||||
|
||||
+12.2*((220-100)/1.013)+
|
||||
image::images/Template1_f22.jpg["FIGURE: template edit dialogue", align="center"]
|
||||
|
||||
which is about 1445, not 1464. So there was 19 l too much in your simple
|
||||
calculation that ignored the difference between 1 bar and one ATM. The
|
||||
compressibility does show up above 200 bar, and takes that 1445 down about
|
||||
eight litres more, so you really did use only about 1437 l of air at surface
|
||||
pressure.
|
||||
1) The _Style_ tab (image *A* above) controls the font, line spacing and colour
|
||||
template used for printing the dive log. The style attributes are
|
||||
editable. Choose one of the four colour palets used for colour printing.
|
||||
|
||||
So be happy: your SAC really is better than your calculations indicated. Or
|
||||
be sad: your cylinder contains less air than you thought it did. And as
|
||||
mentioned, the "contains less air than you thought it did" really starts
|
||||
becoming much more noticeable at high pressure. A 400 bar really does not
|
||||
contain twice as much air as a 200 bar one. At lower pressures, air acts
|
||||
pretty much like an ideal gas.
|
||||
2) The _Colors_ tab (image *B* above) allows editing the colours used for
|
||||
printing the dive log. The colours are highly customisable: the _Edit_
|
||||
buttons in the _Colors_ tab allows choosing abritrary colours for different
|
||||
components of the dive log printout.
|
||||
|
||||
=== Some dive profiles have time discrepancies with the recorded samples from my dive computer...
|
||||
3) The _Template_ tab of the Edit Panel (see image below) allows creating a
|
||||
template using HTML as well as a few Grantlee programming
|
||||
primitives. Grantlee provides the ability to create and format HTML code in
|
||||
a highly simple but efficient way (see below). The HTML of the template can
|
||||
be edited and saved. The saved template is stored in the same directory as
|
||||
the dive being processed. By default, a _Custom_ template is a skeleton with
|
||||
no specific print instructions. The informastion being printed needs to be
|
||||
specified and formatted in the by replacing the section marked with: "<!--
|
||||
Template must be filled -->". Writing HTML code with Grantlee instructions
|
||||
allows unlimited freedom in determining what is printed an in which way it
|
||||
should be rendered.
|
||||
|
||||
_Subsurface_ ends up ignoring surface time for many things (average depth,
|
||||
divetime, SAC, etc). 'Question': Why do dive durations in my dive computer
|
||||
differ from that given by _Subsurface_?
|
||||
image::images/Template2_f22.jpg["FIGURE:Template tab", align="center"]
|
||||
|
||||
'Answer': For example, if you end up doing a weight check (deep enough to
|
||||
trigger the "dive started") but then come back up and wait five minutes for
|
||||
your buddies, your dive computer may say that your dive is 50 minutes long -
|
||||
because you have fifty minutes worth of samples - but subsurface will say
|
||||
it's 45 minutes - because you were actually diving for 45 minutes. It's
|
||||
even more noticeable if you do things like divemastering the initial OW
|
||||
dives, when you may stay in the water for a long time, but spend most of it
|
||||
at the surface. And then you don't want that to count as some kind of long
|
||||
dive”.
|
||||
|
||||
=== Some dive profiles are missing from the download
|
||||
|
||||
[[DC_HISTORY]]
|
||||
'Question': I cannot download all my dives, only the most recent ones even
|
||||
though my dive computer's manual states that it records history of e.g. 999
|
||||
dives.
|
||||
|
||||
'Answer': Dive history is different than the dive profiles on the log. The
|
||||
history only keeps track of the total number of dives and total amount of
|
||||
time spent below surface. The logs, on the other hand, store the dive
|
||||
profile, but they have limited amount of memory to do so. The exact amount
|
||||
of dive profiles that can be stored on the device depend on sample interval
|
||||
and duration of the dives. Once the memory is full the oldest dives get
|
||||
overwritten with new dives. Thus we are only able to download the last 13,
|
||||
30 or 199 dives.
|
||||
|
||||
If you have downloaded your dives to different dive logging software before
|
||||
they were overwritten, there is a high change that Subsurface can import
|
||||
these. However, if the logs are only on your dive computer, they cannot be
|
||||
salvaged after being over written by new dives.
|
||||
|
||||
== APPENDIX F: Write a custom printing template
|
||||
|
||||
_Subsurface_ provides a customizable printing support which is based on
|
||||
templates that are transformed by the _Grantlee_ backend to correct _HTML_
|
||||
syntax, The _HTML_ output is then rendered by _Subsurface_.
|
||||
One can adapt any of the existing templates and save it to the dive log
|
||||
directory. The standard templates (e.g. One dive, Six dives, Table) can be
|
||||
modified in this way.
|
||||
|
||||
To write a custom template the following elements must exist so that the
|
||||
template will be correctly handled and rendered.
|
||||
|
@ -4540,3 +4547,84 @@ rendering mode
|
|||
|
||||
IMPORTANT: All CSS units should be in relative lengths only, to support printing on any
|
||||
page size.
|
||||
|
||||
== APPENDIX F: FAQs.
|
||||
[[S_APPENDIX_F]]
|
||||
=== Subsurface appears to miscalculate gas consumption and SAC
|
||||
[[SAC_CALCULATION]]
|
||||
'Question': I dived with a 12.2 l tank, starting with 220 bar and ending
|
||||
with 100 bar, and I calculate a different SAC compared what _Subsurface_
|
||||
calculates. Is _Subsurface_ miscalculating?
|
||||
|
||||
'Answer': Not really. What happens is that _Subsurface_ actually calculates
|
||||
gas consumption differently - and better - than you expect. In particular,
|
||||
it takes the incompressibility of the gas into account. Traditionally, Gas
|
||||
consumption and SAC should be: +consumption = tank size x (start pressure -
|
||||
end pressure)+
|
||||
|
||||
and that's true for an ideal gas, and it's what you get taught in dive
|
||||
theory. But an "ideal gas" doesn't actually exist, and real gases actually
|
||||
don't compress linearly with pressure. Also, you are missing the fact that
|
||||
one atmosphere of pressure isn't actually one bar. So the *real*
|
||||
calculation is:
|
||||
|
||||
+consumption = (amount_of_air_at_beginning - amount_of_air_at_end)+
|
||||
|
||||
where the amount of air is *not* just "tank size times pressure in bar".
|
||||
It's a combination of: "take compressibility into account" (which is a
|
||||
fairly small issue under 220 bar - you'll see more differences when you do
|
||||
high-pressure tanks with 300bar) and "convert bar to atm" (which is the
|
||||
majority of your discrepancy). Remember: one ATM is ~1.013 bar, so without
|
||||
the compressibility, your gas use is:
|
||||
|
||||
+12.2*((220-100)/1.013)+
|
||||
|
||||
which is about 1445, not 1464. So there was 19 l too much in your simple
|
||||
calculation that ignored the difference between 1 bar and one ATM. The
|
||||
compressibility does show up above 200 bar, and takes that 1445 down about
|
||||
eight litres more, so you really did use only about 1437 l of air at surface
|
||||
pressure.
|
||||
|
||||
So be happy: your SAC really is better than your calculations indicated. Or
|
||||
be sad: your cylinder contains less air than you thought it did. And as
|
||||
mentioned, the "contains less air than you thought it did" really starts
|
||||
becoming much more noticeable at high pressure. A 400 bar really does not
|
||||
contain twice as much air as a 200 bar one. At lower pressures, air acts
|
||||
pretty much like an ideal gas.
|
||||
|
||||
=== Some dive profiles have time discrepancies with the recorded samples from my dive computer...
|
||||
|
||||
_Subsurface_ ends up ignoring surface time for many things (average depth,
|
||||
divetime, SAC, etc). 'Question': Why do dive durations in my dive computer
|
||||
differ from that given by _Subsurface_?
|
||||
|
||||
'Answer': For example, if you end up doing a weight check (deep enough to
|
||||
trigger the "dive started") but then come back up and wait five minutes for
|
||||
your buddies, your dive computer may say that your dive is 50 minutes long -
|
||||
because you have fifty minutes worth of samples - but subsurface will say
|
||||
it's 45 minutes - because you were actually diving for 45 minutes. It's
|
||||
even more noticeable if you do things like divemastering the initial OW
|
||||
dives, when you may stay in the water for a long time, but spend most of it
|
||||
at the surface. And then you don't want that to count as some kind of long
|
||||
dive”.
|
||||
|
||||
=== Some dive profiles are missing from the download
|
||||
|
||||
[[DC_HISTORY]]
|
||||
'Question': I cannot download all my dives, only the most recent ones even
|
||||
though my dive computer's manual states that it records history of e.g. 999
|
||||
dives.
|
||||
|
||||
'Answer': Dive history is different than the dive profiles on the log. The
|
||||
history only keeps track of the total number of dives and total amount of
|
||||
time spent below surface. The logs, on the other hand, store the dive
|
||||
profile, but they have limited amount of memory to do so. The exact amount
|
||||
of dive profiles that can be stored on the device depend on sample interval
|
||||
and duration of the dives. Once the memory is full the oldest dives get
|
||||
overwritten with new dives. Thus we are only able to download the last 13,
|
||||
30 or 199 dives.
|
||||
|
||||
If you have downloaded your dives to different dive logging software before
|
||||
they were overwritten, there is a high change that Subsurface can import
|
||||
these. However, if the logs are only on your dive computer, they cannot be
|
||||
salvaged after being over written by new dives.
|
||||
|
|
Loading…
Reference in a new issue