CarcharodonCarcharias
Contributor
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I've always made sure that my batter has at least 30% charge before each dive.You know, there are common practices, best practices, good practices, and poor practices. A poor practice would be starting a dive with a dive computer battery that is low. A best practice would be carrying a backup computer. A good practice is planning in advance would you will do if some piece of equipment fails during a dive; this exercise is part of the solo training offered by several agencies, not so you can necessarily dive solo, but so you can be self-reliant. A good practice is to surface immediately if your SPG fails, or your computer. You know you were OK up to that point, so it is not an emergency, but the dive is over. A common practice -- tending strongly toward being a poor practice -- is to keep diving for a while, or to use your buddy's computer.
I'm sympathetic that your computer died. They do that, from time to time. Switch to your backup, or ascend; the dive is over.
Get the computer fixed; you are doing that. I don't see the problem, other than "lamenting" that you lost some dives from the computer's memory. Easy problem to fix in the future. In fact a best practice is daily downloads.
I have a SPG as my backup just in case my AI fails and I check both my DC and SPG for air.
I did not go down with a backup computer because I had forgot to pack mine for the trip. (So this one is on me).
I always stay close to my dive buddy to anticipate for unforeseen circumstances - Which in this instance, it is because the circuilt board died in the middle of the dive and it is unforeseen circumstance.
I showed him my computer screen and he lent me his back-up DC, finished the dive, and we surfaced together.
So let's stick with the topic about the technical failure of my Perdix during my dive and not how often I should download my log.
But I do appreciate your input for a healthy discussion and an open dialogue.