When running the ATTSYNC command, my display properties disappear

When running the ATTSYNC command, my display properties disappear

Problem:
Upon running the ATTSYNC command from the command line, the display properties of a symbol disappear.
Solution:
There is currently a limitation in handling the display properties of symbols with the ATTSYNC command. The display property can be set to 'Show' within the HyDraw Property Manager to reinstate the display property: