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--part1_79.1a8b6657.28c66cc5_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 9/3/01 7:06:55 PM Central Daylight Time, cagraphics@mi*.co* writes: > Looking at the new R-380, I was just wondering what Scuba Pro > had in mind with the little dial on the cover plate. > This function makes no sense to me at all, and seems a bit gooberish. > Is this removable? > The little dial on the cover of the R380 operates a small cam on the other side of the cover which depresses the diaphragm. This is intended to take some of the pressure off of the low pressure seat when the regulator is not in use, thereby reducing the "set," or indentation formed in the pliable seat. By reducing or eliminating this set the regulator holds its adjustment longer. This function is found in many regulators in the industry and is accomplished in different ways in different regulators. The problem with a manual control, such as the one on the R380, is that the diver must remember to operate it. If you do not like it you can just leave it in the "dive" position. It is not necessary to remove it, but if you want to it can be removed easily. Open the case and it should become quite apparent to anyone with any mechanical ability how to do it. The last R380 that I got from Scubapro did not have this control. They may have eliminated it. The S550 does not have a manual switch such as the R380. The S550 has an automatic anti-set feature which takes pressure off of the low pressure seat whenever the air is turned off. Safe diving, Dale Captain Dale's Dive Center Enterprise Marine Dive Charters www.captaindales.com --part1_79.1a8b6657.28c66cc5_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: 7bit <HTML><FONT FACE=arial,helvetica><FONT SIZE=2>In a message dated 9/3/01 7:06:55 PM Central Daylight Time, <BR>cagraphics@mi*.co* writes: <BR> <BR> <BR><BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Looking at the new R-380, I was just wondering what Scuba Pro <BR>had in mind with the little dial on the cover plate. <BR>This function makes no sense to me at all, and seems a bit gooberish. <BR>Is this removable? <BR>Does the 550 have the same feature?</BLOCKQUOTE> <BR> <BR>The little dial on the cover of the R380 operates a small cam on the other <BR>side of the cover which depresses the diaphragm. This is intended to take <BR>some of the pressure off of the low pressure seat when the regulator is not <BR>in use, thereby reducing the "set," or indentation formed in the pliable <BR>seat. By reducing or eliminating this set the regulator holds its adjustment <BR>longer. This function is found in many regulators in the industry and is <BR>accomplished in different ways in different regulators. The problem with a <BR>manual control, such as the one on the R380, is that the diver must remember <BR>to operate it. If you do not like it you can just leave it in the "dive" <BR>position. It is not necessary to remove it, but if you want to it can be <BR>removed easily. Open the case and it should become quite apparent to anyone <BR>with any mechanical ability how to do it. <BR> <BR>The last R380 that I got from Scubapro did not have this control. They may <BR>have eliminated it. <BR> <BR>The S550 does not have a manual switch such as the R380. The S550 has an <BR>automatic anti-set feature which takes pressure off of the low pressure seat <BR>whenever the air is turned off. <BR> <BR>Safe diving, <BR>Dale <BR>Captain Dale's Dive Center <BR>Enterprise Marine Dive Charters <BR>www.captaindales.com <BR> <BR> <BR> <BR></FONT></HTML> --part1_79.1a8b6657.28c66cc5_boundary-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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