Restore Norton Ghost 15 Backup Configuration

How do I recover the back up configuration for Norton Ghost 15?  I had to reinstall all the software on my computer including Ghost 15.  I have all my backups on a USB drive and I need to configure Ghost to recognize the backups and history?

How do I recover the back up configuration for Norton Ghost 15?  I had to reinstall all the software on my computer including Ghost 15.  I have all my backups on a USB drive and I need to configure Ghost to recognize the backups and history?