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Update html files for user manual to latest versions
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel
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4 changed files with 1080 additions and 478 deletions
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@ -722,6 +722,8 @@ Decimal degrees, e.g. 30.22496 , 30.821798</code></pre>
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<div class="paragraph"><p>Southern hemisphere latitudes are given with a <strong>S</strong>, e.g. S30°, or with a
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negative value, e.g. -30.22496. Similarly western longitudes are given with a
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<strong>W</strong>, e.g. W07°, or with a negative value, e.g. -7.34323.</p></div>
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<div class="paragraph"><p>Some keyboards don’t have the degree sign (°). It can be replaced by a d like
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that: N30d W20d.</p></div>
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<div class="paragraph"><p>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 description
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will cause unexpected behaviour (Subsurface will think that all of these
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@ -1002,7 +1004,7 @@ the divecomputer allows this,
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the download process faster on most dive computers and also saves battery power
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of the dive computer (at least for those not charging while connected via USB).
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If, for some reason, the user wishes to import ALL dives from the dive computer,
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even though some may already be in the logbook, then check the check box labelled
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even though some may already be in the logbook, then check the check box labeled
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<em>Force download of all dives</em>.</p></div>
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<div class="ulist"><ul>
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<li>
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@ -1341,7 +1343,7 @@ message in a blue box at the top of the panel:</p></div>
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<em>Subsurface</em> and the information on
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cylinders and gases (entered here) determines the behaviour of the dive profile
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(top right-hand panel).</p></div>
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<div class="paragraph"><p><strong>Cylinders</strong>: The cylinder information is entered through a dialogue that looks
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<div class="paragraph" id="cylinder_definitions"><p><strong>Cylinders</strong>: The cylinder information is entered through a dialogue that looks
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like this:</p></div>
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<div class="imageblock" style="text-align:center;">
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<div class="content">
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@ -1736,12 +1738,12 @@ column headings. The top line of the white part of the data table contains the c
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headings found in the <em>CSV</em> data file. The blue row of cells immediately above these
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contains the names understood by <em>Subsurface</em>. The white area below the dropdown
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lists contains all the field names that <em>Subsurface</em> recognises. These names are
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in blue balloons and can be moved using a drag-and-frop action. For
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in blue balloons and can be moved using a drag-and-drop action. For
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instance, <em>Subsurface</em> expects the column heading for Dive number (" # ") to be "Dive # ". If
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the column heading that <em>Subsurface</em> expects is not in the blue cells, then drag the
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appropriate column heading from the upper area and drop it in the appropriate blue
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cell at the top of the table. To indicate the correct column for "Dive #", drag
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the ballooned item labelled "Dive # " and drop it in the blue
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the ballooned item labeled "Dive # " and drop it in the blue
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cell immediately above the white cell containing " # ". This is depicted in
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the image below.</p></div>
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<div class="imageblock" style="text-align:center;">
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@ -1761,9 +1763,9 @@ The data from the <em>CSV</em> file are imported and shown in the <strong>Dive L
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<td class="icon">
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<img src="images/icons/important.png" alt="Important" />
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</td>
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<td class="content"><em>CSV</em> is an abbreviation for a data file format: <em>Comma-Separated Variables</em>. It is a
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<td class="content"><em>CSV</em> is an abbreviation for a data file format: <em>Comma-Separated Values</em>. It is a
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file format allowing someone to view or edit the information using a text editor such
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as Notebook (Windows), gedit (Linux) or TextWrangler (OS/X). The two main advantages of
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as Notepad (Windows), gedit (Linux) or TextWrangler (OS/X). The two main advantages of
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the <em>CSV</em> format is that the data are easily editable as text without any proprietary software
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and ensuring all information is human-readable, not being obscured by any custom or
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proprietary attributes that proprietary software insert into files.
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@ -2372,13 +2374,59 @@ If, later, the external drive with the photos is connected again, the photos can
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<div class="sect2">
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<h3 id="_logging_special_types_of_dives">5.6. Logging special types of dives</h3>
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<div class="sect3">
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<h4 id="_sidemount_dives">5.6.1. Sidemount dives</h4>
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<div class="paragraph"><p><em>Subsurface</em> easily handles dives involving more than one cylinder. Sidemount dive logging involves
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three steps:</p></div>
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<h4 id="S_MulticylinderDives">5.6.1. Multicylinder dives</h4>
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<div class="paragraph"><p><em>Subsurface</em> easily handles dives involving more than one cylinder. Multicylinder diving usually happens
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(a) if a diver does not have enough gas for the complete dive in a single cylinder; (b) if the diver
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needs more than one gas mixture because of the depth or the decompression needs of the dive. For this reason
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multicylinder dives are often used by technical divers who dive deep or long. As far
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as <em>Subsurface</em> is concerned, there are only two types of information that need to be provided:</p></div>
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<div class="ulist"><ul>
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<li>
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<p>
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<strong>During the dive, recording cylinder switch events</strong>. Since sidemount diving normally involves two
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<strong>Describe the cylinders used during the dive</strong> This is performed in the <strong>Equipment tab</strong> of
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the <strong>Dive Info</strong> panel, as <a href="#cylinder_definitions">described above</a>. Enter the cylinders one by one,
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specifying the characteristics of the cylinder and the gas composition within each cylinder.
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</p>
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</li>
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<li>
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<p>
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<strong>Record the times at which switches from one cylinder to another was done:</strong> This is information
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provided by some dive computers (provided the diver indicated these changes to the dive computer
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by pressing specific buttons). If the dive computer does not provide the information, the diver has to
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record these changes using a different method, e.g. writing it on a slate.
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</p>
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</li>
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<li>
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<p>
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<strong>Record the cylinder changes on the dive profile</strong>: If the latter option
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was followed, the diver needs to indicate the gas change event by right-clicking at the appropriate point
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in time on the <strong>Dive Profile</strong> panel and indicating the cylinder to which the change was made. After
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right-clicking, follow the context menu to "Add gas change" and select the appropriate cylinder from
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those defined during the first step, above (see image below). If the
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<strong>tank bar</strong> button in the toolbar has been activated, the cylinder switches are also indicated in the
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tank bar.
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</p>
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</li>
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</ul></div>
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<div class="paragraph"><p>Having performed these tasks, <em>Subsurface</em> indicates the appropriate use of cylinders in the dive profile.
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Below is a multi-cylinder dive, starting off with EAN28, then changing cylinders to EAN50 after 26 minutes
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to perform decompression.</p></div>
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<div class="imageblock" style="text-align:center;">
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<div class="content">
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<img src="images/multicylinder_dive.jpg" alt="FIGURE: Multicylinder profile" />
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</div>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_sidemount_dives">5.6.2. Sidemount dives</h4>
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<div class="paragraph"><p>Sidemount diving is just another form of multicylinder diving, often with both or all cylinders having
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the same gas mixture. Although it is a popular configuration for cave divers, sidemount
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diving can be performed by recreational divers who have completed the appropriate training. Sidemount
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dive logging involves, exactly as with multicylinder dives, above, three steps:</p></div>
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<div class="ulist"><ul>
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<li>
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<p>
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<strong>During the dive, record cylinder switch events</strong>. Since sidemount diving normally involves two
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cylinders with air or with the same gas mixture, <em>Subsurface</em> distinguishes among these different
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cylinders. In contrast, most dive computers that allow gas switching only distinguish among different
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<em>gases</em> used, not among different <em>cylinders</em> used. This means that when sidemount dives are downloaded
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@ -2406,7 +2454,7 @@ three steps:</p></div>
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profile with a cylinder symbol. If the <strong>Tank Bar</strong> is activated using the toolbar to the left of the
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profile, then the cylinder change is also indicated on the Tank Bar (see image below). After all
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the cylinder change events have been recorded on the dive profile, the correct cylinder pressures
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for both cylinders are shown on the dive profile, as inthe image below.
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for both cylinders are shown on the dive profile, as in the image below.
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</p>
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</li>
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</ul></div>
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@ -2415,10 +2463,52 @@ three steps:</p></div>
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<img src="images/sidemount1.jpg" alt="FIGURE: Sidemount profile" />
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</div>
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</div>
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<div class="paragraph"><p>This section gives an example of the versatility of <em>Subsurface</em> as a give logging tool.</p></div>
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<div class="paragraph"><p>This section gives an example of the versatility of <em>Subsurface</em> as a dive logging tool.</p></div>
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</div>
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<div class="sect3">
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<h4 id="S_CCR_dives">5.6.2. Closed circuit rebreather (CCR) dives</h4>
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<h4 id="S_sSCR_dives">5.6.3. Semi-closed circuit rebreather (SCR) dives</h4>
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<div class="admonitionblock">
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<table><tr>
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<td class="icon">
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<img src="images/halcyon_RB80.jpg" alt="Note" />
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</td>
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<td class="content">Passive semi-closed rebreathers (pSCR) comprise a technical advance in diving equipment that
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recirculates the breathing gas that a diver breathes, while removing carbon dioxide from
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the exhaled gas. While a small amount (typically a tenth) of the exhaled breathing gas is released into the water,
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a small amount of fresh gas is released from the back gas cylinder (typically containing nitrox).
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A diver, using a single cylinder of breathing gas can therefore dive for much longer periods than
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using a recreational open-circuit configuration. With pSCR equipment, a very small amount of breathing
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gas is released every time the breather inhales. With active SCR (aSCR) equipment, in contrast, a small amount of
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breathing gas is released continuously from the back cylinder.</td>
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</tr></table>
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</div>
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<div class="paragraph"><p>To log pSCR dives, no special procedures are required, just the normal steps outlined above:</p></div>
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<div class="ulist"><ul>
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<li>
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<p>
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Select pSCR in the <em>Dive Mode</em> dropdown list on the <strong>Dive Info</strong> panel.
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</p>
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</li>
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<li>
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<p>
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pSCR diving often involves gas changes, requiring an additional cylinder.
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Define all the appropriate cylinders as described above
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and indicate the cylinder/gas changes as described above in the section on <a href="#S_MulticylinderDives">multicylinder dives</a>.
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</p>
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</li>
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</ul></div>
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<div class="paragraph"><p>If a pSCR <em>Dive Mode</em> has been selected, the dive ceiling for pSCR dives is adjusted for the oxygen
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drop across the mouthpiece which often requires longer decompression periods. Below is a dive profile
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of a pSCR dive using EAN36 on the back cylinder and oxygen for decompression. Note that this dive lasted
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over two hours.</p></div>
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<div class="imageblock" style="text-align:center;">
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<div class="content">
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<img src="images/pSCR_profile.jpg" alt="FIGURE: pSCR profile" />
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</div>
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</div>
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</div>
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<div class="sect3">
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<h4 id="S_CCR_dives">5.6.4. Closed circuit rebreather (CCR) dives</h4>
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<div class="admonitionblock">
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<table><tr>
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<td class="icon">
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@ -2542,7 +2632,7 @@ a description of that event is given as the bottom line in the <a href="#S_InfoB
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pressures of the oxygen and diluent cylinders. The pressures of these two cylinders
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are shown as green lines overlapping the depth profile. In addition, start and
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end pressures for both oxygen and diluent cylinders are shown in the <em>Equipment Tab</em>.
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Below is a dive profile for a CCR dive, including an overaly
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Below is a dive profile for a CCR dive, including an overlay
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of setpoint and oxygen sensor data, as well as the cylinder pressure data. In this
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case there is good agreement from the readings of the two oxygen sensors.</p></div>
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<div class="imageblock" style="text-align:center;">
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@ -2668,7 +2758,7 @@ cellspacing="0" cellpadding="4">
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</div>
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<div class="paragraph"><p>The profile also includes depth readings for the peaks and troughs in the graph.
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Thus, users should see the depth of the deepest point and other peaks. Mean depth
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is marked with a horizontal red line.</p></div>
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is plotted as a grey line, indicating mean dive depth up to a particular moment during the dive.</p></div>
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<div class="admonitionblock">
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<table><tr>
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<td class="icon">
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@ -3001,11 +3091,11 @@ values are dependent on the composition of the breathing gas. The EAD
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is the depth of a hypothetical air dive that has the same partial
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pressure of nitrogen as the current depth of the nitrox dive at
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hand. A nitrox dive leads to the same decompression obligation as an
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air dive to the depth equalling the EAD. The END is the depth of a
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air dive to the depth equaling the EAD. The END is the depth of a
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hypothetical air dive that has the same sum of partial pressures of
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the narcotic gases nitrogen and oxygen as the current trimix dive. A
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trimix diver can expect the same narcotic effect as a diver breathing
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air diving at a depth equalling the END.</td>
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air diving at a depth equaling the END.</td>
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</tr></table>
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</div>
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<div class="paragraph"><p>Figure (<strong>B</strong>) above shows an information box with a nearly complete set of data.</p></div>
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@ -3402,7 +3492,7 @@ Universal Dive Data Format (<em>UDDF</em>). Refer to <em>http://uddf.org</em> fo
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</li>
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<li>
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<p>
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<em>DiveShare</em> is also a dive log repostory on the Internet focusing on the recreational
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<em>DiveShare</em> is also a dive log repository on the Internet focusing on the recreational
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dives. In order to upload dives one has to provide a used ID, so registration with
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<em>http://scubadiveshare.com</em> is required.
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</p>
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@ -3815,8 +3905,10 @@ Thresholds: <em>Subsurface</em> can display the nitrogen, oxygen and the helium
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</li>
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<li>
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<p>
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<em>Show average depth</em>: Activating this checkbox causes <em>Subsurface</em> to draw a red line across
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the dive profile, indicating the mean depth of the dive.
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<em>Show average depth</em>: Activating this checkbox causes <em>Subsurface</em> to draw a grey line across
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the dive profile, indicating the mean depth of the dive up to a particular point in time during
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that dive. Normally this is a u-shaped line indicating the deepest average depth just before the
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ascent.
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</p>
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</li>
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</ul></div>
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@ -4064,7 +4156,7 @@ In the top left-hand area of the planning screen, ensure that the constant dive
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</li>
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<li>
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<p>
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In the table labelled <em>Available Gases</em>, add the information of the cylinders to be used
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In the table labeled <em>Available Gases</em>, add the information of the cylinders to be used
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as well as the gas composition within that cylinder. This is done in a similar way as for
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<a href="#S_CylinderData">providing cylinder data for dive logs</a>. Choose the cylinder type by
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double clicking the cylinder type and using the dropdown list, then specify the work
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@ -4154,7 +4246,7 @@ of that table corresponds to one of the gas mixtures specified in the <em>Availa
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Add new waypoints until the main features of the dive have been completed, e.g. the
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bottom time segment and deep stops (if these are implemented). Leave the remaining
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waypoints on the ascent to <em>Subsurface</em>. In most cases <em>Subsurface</em>
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computes additional way points in order to fulfil decompression requirements for that
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computes additional way points in order to fulfill decompression requirements for that
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dive. A waypoint can be moved by selecting that waypoint and by using the arrow keys.
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The waypoints listed in the <em>Dive Planner Points</em> dialogue can be edited by hand in
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order to obtain a precise presentation of the dive plan. In fact, one can create the
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@ -4228,13 +4320,13 @@ The parameters of the pSCR diver can be set by selecting <em>File → Pre
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from the main menu, where the gas consumption calculation takes into account the pSCR dump
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ratio (default 10:1) as well as the metabolism rate. The calculation also takes the oxygen drop
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accross the mouthpiece of the rebreather into account. If the
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pO<sub>2</sub> drops below what is considered a save value, a warning apears in the <em>Dive plan
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pO<sub>2</sub> drops below what is considered a save value, a warning appears in the <em>Dive plan
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details</em>. A typical pSCR configuration is with a single cylinder and one or more bail-out
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cylinders. Therefore the setup of the <em>Available gases</em> and the <em>Dive planner points</em> tables
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are very similar to that of a CCR dive plan, described above. However, no oxygen setpoints
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are specified for pSCR dives. Below is a dive plan for a pSCR dive. The dive is comparable
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to that of the CCR dive above, but note the longer ascent duration due to the lower oxygen
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in the loop due to the oxygen drop accross the mouthpiece of the pSCR equipment.</p></div>
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in the loop due to the oxygen drop across the mouthpiece of the pSCR equipment.</p></div>
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<div class="imageblock" style="text-align:center;">
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<div class="content">
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<img src="images/Planner_pSCR1_f20.jpg" alt="FIGURE: Planning a pSCR dive: setup" />
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@ -5002,7 +5094,7 @@ On the list of file names select the .CSV file that has been created above. An i
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</li>
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<li>
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<p>
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In the dropdown list on the middle right labeled '<em>Pre-configured imports</em>",
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In the dropdown list on the top left labeled '<em>Pre-configured imports</em>",
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select <em>APD Log Viewer</em>.
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</p>
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</li>
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@ -5220,7 +5312,7 @@ The dives are now exported to the file DM4.bak (or DM5.bak)
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</td>
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<td class="content">Atomic Logbook is a Windows software by Atomic Aquatics. It allows
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downloading of dive information from Cobalt and Cobalt 2 dive computers.
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The divelog is kept in a SQlite database at
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The divelog is kept in a SQLite database at
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C:\ProgramData\AtomicsAquatics\Cobalt-Logbook\Cobalt.db. This file can
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be directly imported to Subsurface.</td>
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</tr></table>
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@ -5333,7 +5425,7 @@ Duration: the format should be minutes:seconds.
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</li>
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<li>
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<p>
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Unit system: only one unit system shold be used (i.e., no mixture between imperial and metric units)
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Unit system: only one unit system should be used (i.e., no mixture between imperial and metric units)
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</p>
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</li>
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<li>
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@ -5490,7 +5582,7 @@ you don’t want that to count as some kind of long dive”.</p></div>
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<div id="footnotes"><hr /></div>
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<div id="footer">
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<div id="footer-text">
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Last updated 2015-02-04 07:44:40 PST
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Last updated 2015-02-17 08:49:01 PST
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</div>
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</div>
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</body>
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