No.16S058-01 15) Circle maker center position (horizontal), (vertical) The center position of the circle maker is adjustable. 16) Circle maker radius The radius of the circle maker is adjustable. 17) Circle maker thickness The thickness of the circle maker is adjustable. 36/49 STC-HD133 Series (STC-HD133DV / STC-HD133SDI) / STC-HD93 Series (STC-HD93DV / STC-HD93SDI) Users guide