CCTV Camera Pros Viewtron Video Surveillance DVRs - HD-SDI and Standard Definition CCTV Recorders - Manual (Page 27)

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Video Playback
Playback Screen Configuration
Playback Video
Video OSD
 Camera Name – Shows Camera Name (Title)
 Playback Mode – Shows current Playback
Context Menu
Setup Screen Division and others like above.
It is shown by or Menu Key.