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User manual: Fixes one broken italics

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Italics marker needed to come after the 's to work properly

Signed-off-by: Tim Wootton <tim@tee-jay.demon.co.uk>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Tim Wootton 2013-12-11 08:44:12 +00:00 committed by Dirk Hohndel
parent 17e53b4d8e
commit ea895fbecc
1 changed files with 1 additions and 1 deletions
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Documentation/user-manual.txt
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@ -686,7 +686,7 @@ Measurements of *depth differences* can be achieved by using the button with two
The dive profile can include further information that is typically more interesting for tec divers. Enabling these is described in the section entitled Setting up Preferences. Basically you can include graphs of the *partial pressures* of O2, N2, and He during the dive as well as a calculated and dive computer reported deco ceilings (only visible for deep, long, or repetitive dives). The partial pressure graphs are added below the profile data, the calculated ceiling is shown as a green overlay on top of the dive profile. Above the profile the currently used gradient factors are shown (e.g. GF 35/75). Please note that these are NOT the gradient factors in use by the dive computer in question, but the gradient factors used by _Subsurface_ to calculate deco obligations during the dive.
The graph can also include the dive computer reported *ceiling* (or more precisely, the first deco stop that the dive computer recorded – note that not all dive computers record this information and make it available for download; for example all of the Suunto dive computers fail to make this very useful data available to divelog software). Because of the differences in used algorithms and amount of data available (and taken into consideration) at the time of the calculation it is unlikely that both of these are the same; this can be true even if the same algorithm and _gradient factors_(see below) are used. It is also quite common that _Subsurface_ calculates a ceiling for non-decompression dives when the dive computer stayed in non-deco mode during the whole dive (represented by the [green]#dark green# section in the profile at the beginning of this section). This is caused by the fact that _Subsurface_’s calculations describe the deco obligation at that point in time during a dive, while dive computers usually take the upcoming ascent into account. During the ascent some excess Nitrogen (and possibly Helium) are already breathed off so even though the diver technically encountered a ceiling at depth, the dive still does not require an explicit deco stop. This feature allows dive computers to offer longer non-stop bottom time.
The graph can also include the dive computer reported *ceiling* (or more precisely, the first deco stop that the dive computer recorded – note that not all dive computers record this information and make it available for download; for example all of the Suunto dive computers fail to make this very useful data available to divelog software). Because of the differences in used algorithms and amount of data available (and taken into consideration) at the time of the calculation it is unlikely that both of these are the same; this can be true even if the same algorithm and _gradient factors_(see below) are used. It is also quite common that _Subsurface_ calculates a ceiling for non-decompression dives when the dive computer stayed in non-deco mode during the whole dive (represented by the [green]#dark green# section in the profile at the beginning of this section). This is caused by the fact that _Subsurface’s_ calculations describe the deco obligation at that point in time during a dive, while dive computers usually take the upcoming ascent into account. During the ascent some excess Nitrogen (and possibly Helium) are already breathed off so even though the diver technically encountered a ceiling at depth, the dive still does not require an explicit deco stop. This feature allows dive computers to offer longer non-stop bottom time.
For a more detailed explanation of _gradient factors_, use the following links: