Originally Posted by
TALPAtalker
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Auto Acknowledge is a more dangerous preference, because you are risking placing a trip on your schedule that you have not had a chance to review first. I occasionally will try to use this for specific trips already in in Open Time, when I know that I likely can't respond to an ARCOS call due to being on a flight, or if the ARCOS run will happen overnight (and I would prefer to stay asleep).
That's actually a really good use-case for Auto Ack. Use it on a GS/WS for a specific trip(s) that you've already had a chance to review in open time and you know you want it. Note to the original question, in this case you would want to check both Auto Accept and Auto Ack to fully automate that specific award if it gets to you.
Checking only Auto Ack (but not Auto accept) doesn't really have a use-case that I'm aware of, unless you just like clicking fewer buttons during the award process.