At editing objects system "memorizes" all map states unless you start Sort procedure. So you can restore any change of map object. For this purpose it is necessary to actuate the given mode and to select object requiring for restoring. Thus the system will show a condition of restored object before its last editing and will offer you to make its recovery. Use Next button to restore more old object state (down to its very first editing).
At editing objects system "memorizes" all map states unless you start