Click to place the symbol. You cannot select other options in the PropertyManager until you place the symbol. To set other options, such as Lock Leader Angle to drag the circle along the angle specified in Angle only, you must reselect the datum target and set the options in the ...
indicate the X-axis and the Y-axis of a measured coordinate system, a plumb line from the fourth circular glass bead target to the datum plane indicates the direction of the Z-axis of the measured coordinate system, and the third annular glass bead target is a standard recognition symbol. ...