In the heavy display condition, it displays all surfaces but in the light display condition, it displays only a typical mountain
            ridge. But, in the light display condition, in [Shading] [Rendering], it switches over to the heavy display condition. Even if it
            starts this command, the command which was starting before it is continued.
            
            
              [Select Display Mode]Dialog Box
            
            The DIALOG of the mode choice is displayed when starting a menu. Click
            a button with the mouse or push a Short-cut Key. The display of the DIALOG
            can be omitted when starting a menu while pushing a corresponding Short-cut
            Key.
            The contents of Display Mode become the following.
            
            
            
            1. Normal
            It becomes a display with all heavy display curved surfaces.
            2. Mode1
            It becomes a display with all light display curved surfaces.
            3. Mode2
            It becomes a display with the light display curved surface of the non-choice object (white display).
            4. Mode3
            It becomes a display with the light display curved surface of the chosen object (red display).