When a channel is added to device but it is not enabled, you will see as shown below.
Channel status interface is in full digital mode; the first channel with 5MP resolution is
disconnected because of resolution limitation (1080p).
When the current resolution is over the max resolution that the channel
supports, then a red "Out of Resolution" will be shown on the preview image.
Picture 5.57 Resolution Status
Picture 5.58 Connection Status
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Hybrid Digital Video Recorder
H.265 HDVR series