Two Rail Scale - draw tracks using two lines when the drawing scale is smaller than this value.
Min Grid Spacing - minimum distance between grid lines (in pixels).
If the grid lines are closer then drawing them is suppressed.
Balloon Help - disables the display of Balloon (or Popup) help when the cursor is placed over a control.
Hot Bar Labels - controls the format of titles for objects on the Hot Bar.
Map Scale - scale of the Map window.
Increase this value to make the Map window smaller when working with large layouts.
Note: you cannot make the Map window larger than the screen.
Live Map - if checked then the Main Window will be updated as you
drag on the Map Window.
Note that this can be slow.