SELECTIONANNODISPLAY system variable
Function Description:
The SELECTIONANNODISPLAY system variable is used to control whether alternate scale representations are temporarily displayed in a dimmed state when annotative objects selected.
Type : Integer 
Saved in : Registry 
Initial value : 1 
Range : 0,1 
System Variable Value:
0 : off
1 : on
The dimmed degree is determined by XFADECTL system variable.