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Dave Mabry wrote: I've just gotten back a Bridge II computer from Dive Rite for a battery replacement. Over the years Dive Rite has done this for no charge, andthat was very good and generous support from that company. Dive Ritehas always been the tops at product support, IMHO.However, they are now instituting a policy of charging $25 for thisservice, which is also a fair policy I think. But, I would like to beable to change the batteries myself. I have been told by someone at DRsome time ago that the actual changing of the battery is not verycomplicated, but there is a special procedure that must be done on firstpower-up with the new battery to insure that the computer initializesproperly.Does anyone know what this procedure is? It shouldn't be too difficultto change the battery if you have the o-ring should it need to bereplaced and the procedure to initialize the computer.I would appreciate it if anyone has this procedure (maybe even Dive Ritecould publish it now that they are charging for the service), pleasepass it along.Thanks for any help. Take care.-- Dave Mabry dmabry@mi*.co* Dossin Museum Underwater Research TeamNACD #2093 NSS #42872 You should consider the $25 charge as "insurance". The battery is located in the same compartment as the electronics for the unit. If you change the battery yourself and the unit floods, you are S.O.L. If Dive Rite changes it and it floods, you get another Bridge computer. The battery change procedure involves opening the case, replacing the battery and o-ring, shorting the reset terminal to logic ground (with metal tweezers) to reset the memory, reseal the case torquing the screws properly. This assembly work must be done in a low humidity environment (air conditioned low-dust room is acceptable). Then the unit is checked for proper function and pressure tested in water. If it is not obviously flooded, it is then heated slightly (about 20 degrees or so over ambient) and observed for condensation on the display lens. If there is no condensation (fog), then the watertightness is verified. A good reason to want to do this yourself is convenience and time; a bad reason is to save the 25 bucks. I hope this helps! C. Randy Bohrer, President Underwater Applications Corp http://www.geocities.com/~uwapplications -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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