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<DIV><FONT face=Arial size=2>Is it possible to have an alarm that is triggered
at threshold A but doesn't go way until it drops to threshold B?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Example:</FONT></DIV>
<DIV><FONT face=Arial size=2> Alarm at 80%</FONT></DIV>
<DIV><FONT face=Arial size=2> Turn off alarm only if drops
below 70%</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2> </FONT></DIV>
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