Unload Map Underlay

    Ribbon: Insert – Maps >  Unload Underlay

    Ribbon: Topoplan – Maps >  Unload Underlay

   Menu: Topoplan – Map >  Unload Underlay

 Command line: UNMAPVIEW

The command unloads the underlay content. Only the underlay contour is displayed.

You can load the underlay content back by the Load Underlay command.

The command works identically to the Map State underlay parameter on the Properties bar.