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<DIV><SPAN><EM>If you have an over-pressure valve handle obstructing
the </EM></SPAN></DIV>
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of the hatch latch handle, it would need to be</EM></SPAN></DIV>
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loaded or you would create the problem of the possibility</EM></SPAN></DIV>
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Grande', sans-serif; BACKGROUND-COLOR: transparent"><SPAN><EM>of diving with
the valve open later on.<BR></EM><BR><BR>Yes, and if you dive with a open valve
you get wet<BR>learn to close it and learn to read you "pre-dive" checklist.
<BR><BR>:-O <BR><BR>SL not required an blocking mechanism on the
hatch - just an <BR>simple spring loaded automatic overpressure valve.
<BR>Because of the automatic there is no need to block the hatch. <BR>The air
sound of the working valve is a clear signal not to open the hatch.<BR>The
function of the valve should be anyway mention in the written manual.
<BR><BR>very best regards<BR><BR>Carsten<BR></SPAN></DIV></DIV></BODY></HTML>