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>Oh, and don't forget Cochran Tech Support's answer to the problem of fresh
>batteries not working.... "You've gotta take a razor blade and scrape the
>battery tester off the side of Energizer or Duracell batteries...." What's
>up with that?!?!?!

The battery tester measures current under heavy load by short-circuiting
the battery into a (fairly low) resistance, low enough to get joule heating
of the resistor.  The heating is measured by a liquid-crystal device
(remember Mood Rings?  Same principle.); the liquid-crystal device has a
graded response.  The higher the current through the resistor, the higher
the temperature.  With the graded response, the higher the temperature, the
farther to the (right) the bar lights up.

Cochran apparently figures that the battery compartment is tight enough to
activate the tester if the battery placement is just right.

Two years ago, a bunch of us spent a week on a liveaboard dive boat.  There
was an assortment of dive computers on the trip, including several Cochran
Nemesises (Nemisisi?)(you know what I mean).  Before the trip was over,
every Nemesis on the boat had crapped out at least once.  The Uwatec and
Oceanic (Pelagic) computers, on the other hand, had zero problems.
--
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