<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Not something we have ever considered as a use case. If you have four different gas mixes, it should work. If some of the tanks have the same mix, it will assume that you are importing the same dive with the same two tanks from two different computers (as many of us dive with one or more backup computers, and many of us have redundant tank pressure sensors).<div class=""><br class=""></div><div class="">I haven't thought about how this could be handled differently. And I am absolutely loath to add anything for such an extreme corner case to the mobile app. I'm not convinced that this is something that I would want to support on the desktop app, tbh.</div><div class=""><br class=""></div><div class="">/D<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 12, 2020, at 11:56 AM, John Smith wrote:</div><br class="Apple-interchange-newline"><div class="">
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I have two Shearwaters that can record gas pressure, so in theory can monitor four cylinders at the same time.</div>
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If I import using my ipad, the first download adds two cylinders to the dive (cylinder 1+2), correctly giving the start and end pressure. When I download the second DC, the dives merge automatically, but instead of having four cylinders, (adding 3 + 4)subsurface
overwrites cylinder 1 +2 information<span style="font-size: 12pt;" class="">.</span></div>
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This is after downloading DC 1</div>
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Then this after adding DC2.</div>
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The profile drawing also has issues - the pressure trails don’t match the data page</div>
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Regards</div>
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