that´s very simple. To let Immortal attack air units, go to "WEAPONS", on right side find line "TARGET FILTERS" and all you need is change "GROUND = REQUIRED" to "GROUND = ALLOWED"
What you're searching for is not on the Immortal itself - but on it's weapon. Each weapon has target filters which dictate what it can use. If you find the Immortal's weapon in the editor, you should come across a field which is (Basic) Weapon: Target Filters. Double click on this, and as you can hopefully see, the Ground filter has 'Required' next to it, which Air only has allowed. In order to allow the unit to attack air, we need to change the filter so that Ground isn't required. This can be done by right clicking on the 'Required' next to Ground, and changing it to allowed.
This is assuming you're using the table view of the editor. If you're not sure whether you're using it, Press Ctrl+1 and see if it does anything. If it doesn't, then you're using it.
Asking guy deleted first post
that´s very simple. To let Immortal attack air units, go to "WEAPONS", on right side find line "TARGET FILTERS" and all you need is change "GROUND = REQUIRED" to "GROUND = ALLOWED"
http://img9.imageshack.us/img9/8618/3qf3.jpg
Welcome to the forums!
What you're searching for is not on the Immortal itself - but on it's weapon. Each weapon has target filters which dictate what it can use. If you find the Immortal's weapon in the editor, you should come across a field which is (Basic) Weapon: Target Filters. Double click on this, and as you can hopefully see, the Ground filter has 'Required' next to it, which Air only has allowed. In order to allow the unit to attack air, we need to change the filter so that Ground isn't required. This can be done by right clicking on the 'Required' next to Ground, and changing it to allowed.
This is assuming you're using the table view of the editor. If you're not sure whether you're using it, Press Ctrl+1 and see if it does anything. If it doesn't, then you're using it.
Hope this helps!
@TaurusCZ: Go
Move Plane Array dude. and welcome to my Team :)