ContributionsMost RecentMost LikesSolutionsIs a technical manual for the HD DVR available from this site? I would like to get a technical manual for the Scientific Atlanta Explorer 8300Hd DVR. Is it available from the cox.net site? How do I attach an external hard disk to my HD DVR to expand storage? I have a spare SATA external, USB 2.0, hard drive. Can I and how do I attach it to my SA Explorer 8300HD DVR to expand storage?