Icepower 300as1 signal sense

Hi all,
First off, I hope this is in the right section. I apologize if it is not. As the title stated, I would like to know how to wire my ice power 300as1 module so that it can be woken up and go into standby when not in use. The problem is I'm kind of a newbie at this so I have difficulty with understanding the jargon. I know they have instructions for it in the manual, but I don't understand what it means honestly.

Some questions I would like to ask, when they say signal sense to audio input, I'm assuming this is regarding the XLR connection, so I would connect signal sense+ to XLR positive?
Pulling the trigger low, what is this and how is it achieved?
Sorry for the newbie question but I hope to learn as much as I can.
 

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