I'm just getting back to using this now (well, as of yesterday evening)
I want to archive log daily, It's currently set to:-
Archive logs every:  [day(s)]
Does that archive then: 24hrs after the first entry, or at midnight (the latter doesnt seem to be the case here so I will have to wait till later to check the former*)
I hibernate evenings btw - yes yes my computer I mean :p
I should probably better use the second option (Archive logs daily at:) but thought I would follow this up as I found it confusing...
* will report back later if that works