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<div class="moz-cite-prefix">On 11/24/2014 02:04 PM, Linus Torvalds
wrote:<br>
</div>
<blockquote
cite="mid:CA+55aFyic5OFt=5zedDR=SRj0SE_1pN+Ufq0-=TtamB_1nV0Ew@mail.gmail.com"
type="cite">
<p dir="ltr"><br>
On Nov 24, 2014 1:24 PM, "Steve Butler" <<a
moz-do-not-send="true" href="mailto:kg7je@comcast.net">kg7je@comcast.net</a>>
wrote:<br>
><br>
> Surface air or surface water?</p>
<p dir="ltr">Usually surface air, mostly because the temperature
sensor is really really slow to register.</p>
<p dir="ltr">So the first sample - if it has a temperature at all,
of course - is usually ambient temperature of the dive computer
before the dive started. Now, is it "air"? If you keep your dive
computer in a camera easter bucket like some people, obviously
not. And if you are on the surface for a long enough time, then
the slow temperature sensor will basically give you surface
water temperature.</p>
<p dir="ltr">But normally? Air temperature is likely the closest
description. Certainly not guaranteed, but then, it would
usually be even worse to call it water temperature..</p>
<p dir="ltr"> Linus<br>
</p>
</blockquote>
It has always bothered me that that my Cobra reports several degrees
(as much as 20) below the air and also several degrees above the
water. Would be nice if the DC would grab the temp when first
turned on and checking the tank pressure. But, that's something we
don't have control over. I'll have to live with this as is. At
least DM3 didn't try to call it one or the other (just 'Start of
dive', 'Max Depth', 'End of Dive'). Let the user determine whether
it's air (like to see that at max depth!) or water.<br>
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