Sighting Question

[Imp]

"Once the target unit is spotted rules you guys talk about shouldnt play any role."

Lets not argue semantics its an English speaking site:stir:

Spotted verb some results.
to detect or recognize; locate or identify by seeing
to determine (a location) precisely on either the ground or a map.
to observe (the results of gunfire at or near a target) for the purpose of correcting aim.

We will assume people are capable of realising from the context which it was refering to & that it was not a reference to the fact the tank was covered in spots.

I think the question was why can't you 'see' a target when you have LOS to it? Or at least that is the question I was answering.

The question was why the unit could fire at him when that unit could not see the hex let alone the unit.

To stop confusion in your first post your comments about experience are wrong as far as I know.
Experince plays absolutly no part in the hexes you can see, it does effect the units capability however to find undetected units in said hexes.
So everybody with the same vision rating sees the same but more experienced units can recognise & hence locate hidden units easier & indeed can hide better than them in the first place to.

To clarify the part about global visibility.
The higher it is the more bright the light is the easy way to think of it so solid objects still block but hinderances become less so the higher the visibility.
This is why LOS changes at diffrent global visibility ratings.
You can see through more woods or over more hinderance hexes like orchards fields high grass or smoke at higher levels than at lower ones
It has nothing to do with experience or suppresion.