The VITEK EH DVR Viewer is a remote DVR viewing application for VITEK EH Series DVR's. Live Viewing. PTZ Control. Search. Playback of recorded video. Remote DVR setup. Screen capture (snapshot). To view a live demo: 1) Install the VITEK EH Series DVR Viewer App. 2) Once installed, open the VITEK EH Series DVR Viewer App and press the "+" symbol in the upper righthand corner.