Channels that show Video Loss couldn't be hidden or disabled via Reolink PoE NVR for now. But there is a workaround, you can check this article to know more details.
Applies to: RLN4-410 (hardware version H3MB17), RLN8-410 (hardware version H3MB02), RLN8-410-E, RLN16-410 (hardware version H3MB02/H3MB06)
If you have a Reolink PoE NVR and you have multiple screens to be viewed at the same time on your monitor, and you want to hide some screens showing Video Loss, you may arrange the display order of your cameras and choose to view fewer screens on your Monitor.