Enable or Disable Markers
To manipulate the alignment of the radiographic guide and the patient model, disable or enable markers and marker pairs.
Enable or Disable a Single Marker
To disable a marker:
Right-click an enabled marker and select Disable from the shortcut menu. The marker turns yellow.
To enable it again, right-click the disabled marker and select Enable from the shortcut menu. The marker regains its original color.
Disable an Existing Marker Pair
To disable an existing marker pair:
Click Disable an existing marker pair 
.
In the patient scan select a marker.
The selected marker turns yellow. The corresponding marker in the radiographic guide turns red.
Enable an Existing Marker Pair
To enable an existing marker pair:
Click Enable an existing marker pair 
.
In the patient scan select a yellow disabled marker.
The selected marker turns green, as well as the corresponding marker in the radiographic guide.