What should I do as to not alarm the individual who set up the "can parameter" if I accidentally activate the can alarm?

I am thinking along the lines of ; the universal signal for distress is three of something. What is the universal indicator for ?Never mind?, ?O.K?, ?All clear??

<img src="/images/graemlins/confused.gif" alt="" />
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Hmmm... I think it is time for a bigger hammer.