| Automatically calculate Power Selection
                                    results | 
                                Select this option to automatically display objects in the
                                    Selection panel. You do not need to click   to search when
                                    power
                                    selecting. Objects similar to the selected object are
                                    automatically displayed in the Related list. This option is on
                                    by default. | 
                            
                            
                                | Power Selection relative
                                    tolerance | 
                                Type a percentage to change the relative tolerance used when
                                    searching in the Selection panel. Enter a non-zero percentage to
                                    find objects with similar, but not exactly the same dimensions
                                    when power
                                    selecting. For example, if you enter 10% in this option
                                    field, select a 10 mm radius round in your design, then click
                                      in the
                                    Selection panel, rounds with a radius between 9 mm and 11 mm
                                    will be returned in the All rounds equal to 10 mm results list.
                                    The default is 1%. Adjust this value to 0% to detect perfect
                                    rounds exactly or increase it to find imported rounds. |