NO16. How to change DVR's resolution? - H.VIEW - Support Team
Configure Dahua / SmartPSS DHI-XVR 5104, 5108, 5416, 5432 DVR or IP Camera to upload image snapshots/video clips to FTP/SMTP Server for cloud recording
LHV / LNR Series: Restoring display resolution to default settings | LOREX Support
D Series DVRs: Changing the recorder's output resolution | LOREX Support
12Â Â Using the Main Menu
How to set video and image settings on a Hikvision DVR or NVR connected locally - YouTube