I can tell from the context of this thread, that I'm outta my league.
Examples:
"if I "turn-on" Davis Co, then only Davis Co TG's are active.
Active, are only things that start with "Davis Co"
First, let me say that I don't know squat about Sentinel, yet.
The county function sounds good if I travel somewhere unfamiliar,
and I don't want to spend a week or two deciding channels & programming a scanner.
When I traveled to Kansas City, I activated the V-folder for that area.
I couldn't tell who I was hearing, but it sounded exciting.
But here at home, I scan counties: (Davis, Weber), and areas: (SE Utah).
In every bank, or favorites, I always include:
all Regionals, all Events, UHP, MVED, LZ1 & LZ2,
maybe Transit Police & DNR/DWR.
These common use channels are not in a county listing, but they should be.
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"In theory you could just turn on the entire database
and as long as your “Location” was on, it should only pick up what is set within its “Range”
Obviously, it is the repeater sites that have to be in range, not the mobiles.
The scanner, or Sentinel is not going to know if the unit is 5 or 50 miles away.
So, if I just turn on the entire database, and set the range for any SL Simul site,
can you imagine the information overload?
Try this: Program one wildcard on any Wasatch Front site!