Well, normally (read manually) I go the display manager, I left click on the configurations category to select it, and then right click and select import. This will bring up a dialog box with two columns. On the left are the display configs in the current drawing and on the right are configs from whichever drawing you are going to want to import the configs from. You bring over what you want, overwrite what you need and then hit ok, then ok again to get out of the display manager.
There's the process.
Ryan