Redundant Computer
- Thread starter Chaseh
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Crawl79
Contributor
Ok, I have a wrist mounted Gekko, and just got an Atmos 2 gauge mounted, two different computers. The Atmos more liberal than the Gekko, now I was planning on using both but could this be trouble? I dont push the limits of hte Gekko now anyway. Just wondering if there is anything else I'm not thinking of.
Crawl... this actually points out the problem of following any dive computer as though it were giving meaningfully precise information.
You have two different computers with different conservatisms that will give you two different readings and you already dive more conservatively than the more conservative one. Which one is precisely correct? Which is correct for the particular conditions on a given dive? (including environmental and personal conditions among others)
If you must have a back up computer then it should probably use the exact same algorithm. Just realize that they are not going to give you a precisely correct answer.
You have two different computers with different conservatisms that will give you two different readings and you already dive more conservatively than the more conservative one. Which one is precisely correct? Which is correct for the particular conditions on a given dive? (including environmental and personal conditions among others)
If you must have a back up computer then it should probably use the exact same algorithm. Just realize that they are not going to give you a precisely correct answer.
gratefuljames
Contributor
I have a Suunto Stinger and an Oceanic Data Plus. Usually, the former is more conservative, and it is my main computer (the other only a convenience and backup). However, on my last trip, somehow the Data Plus went into lock out because of a Deco violation. Oh well! This is another good reason for 2 computers - if one locks you out, just leave it home and dive anyway! Ha! I also know an instructor who when under deco would hang his computer on the AAS line at 15 feet and then come to the surface, bringing up the computer 15 minutes later after all safety stop requirements had been satisified. You know, it wasn't all that long ago when no one cared about tables and profiles and computers and 3 minute safety stops and all that - we just went diving. I don't remember there being any DCS or whatever on any of those trips...
OP
Chaseh
Contributor
gratefuljames:
wow, the dcs is a conspiracy theory theory.
My impression from the beginning, if I do step up and buy a 2nd computer, would be to bring it along for the ride, but ignore it completely unless primary fails.
That way, I won't be forced to miss time due to a failed computer.
OP
Chaseh
Contributor
H2Andy:
and mailing letters
and reading the paper
and calling in your stock trades
and card catalogs
and bicycling to the moon
I plan my dives on the wheel and us a computer as well. I generally follow the plan from the wheel but when we have to change with the conditions (ie opposite direction because of current or bottom or something) I will often switch to my computer. Sometimes it's difficult to plan a multilevel dive if the site is unfamiliar so it's nice to be able to fall back on the computer.
H2Andy
Contributor
Chaseh:
all of these are viable, alternative means to get something done, except or
the last one. i don't know of anyone who ever bicycled to the moon.
if you are somewhere with no internet acces, you have to know how to mail a letter
and read the paper if you want to send or receive news.
likewise, you might have to call in your stock trade if the *brown stuff* hits the
fan and you want to talk to a real broker.
card catalogs are still out there. nice to know that when the database gets
corrupted, there's always the card-catalog (ask the Library of Congress)
so... if you're out in the middle of nowhere and your computer breaks down, or
gets stolen, or drops overboard, or gets crushed by a tank, or runs out of
batteries and you didn't bring spares...
don't cry!! don't despair!!!
use the frigging tables
which... you know how to do, right?
right?
OP
Chaseh
Contributor
well,
I read the important sections of 4-5 papers before 9am (online for efficiency)
I trade in markets for a living.
I've been to the LoC not too long ago and recall seeing more computers than card catalogs.
And I dove for 15 years before I had a computer.
I haven't used the bike to get to the moon since college.
Now, as a lawyer, how much do you appreciate lexusnexus?
I read the important sections of 4-5 papers before 9am (online for efficiency)
I trade in markets for a living.
I've been to the LoC not too long ago and recall seeing more computers than card catalogs.
And I dove for 15 years before I had a computer.
I haven't used the bike to get to the moon since college.
Now, as a lawyer, how much do you appreciate lexusnexus?
H2Andy
Contributor
Chaseh:
dude, you keep missing my point...
i love Westlaw (don't use LN, sorry) ... but it does go down... and when it does,
i know how to search Fla Jur. 2.d. and Am Jur. 2d by hand and then Sheppardize
the old fashioned way
because brown stuff happens
:14:
