Alarm hysteresis

list James H Thompson
Wed, 5 Apr 2006 13:33:44 -1000
Message-Id: <051601c65909$6629a1e0$0aa8a8c0@jhtp28>

Is it possible to have an alarm that is triggered at threshold A but doesn't go way until it drops to threshold B?

Example:
    Alarm at 80%
    Turn off alarm only if drops below 70%