Adds a North arrow to an Iso title block.
Sets the North Arrow direction and places a North arrow symbol in the title block.
The following prompts are displayed.
Specify default north arrow direction [upper Left, upper Right, lower leFt, lower righT]: <upper Left>
Specify insertion point or [Basepoint/Scale/X/Y/Z/Rotate]: <Insertion Point>
Set North arrow to point up and left.
Set North arrow to point up and right.
Set North arrow to point down and left.
Set North arrow to point down and right.