Your LHA / LNK Series DVR / NVR system uses two different recording streams:
You can use these recording streams to record high-quality video locally and review video remotely with low bandwidth.
To configure a Substream recording stream:
In the taskbar, click the Main Menu icon (), and then click Settings > Record > Substream.
In the Channel drop-down, select a channel to set as substream.
In the Resolution drop-down, select a recording resolution.
In the FPS drop-down, select the number of frames per second.
In the Bitrate Control drop-down, select the control method:
In the Bitrate Mode drop-down, select the bitrate mode:
Click the Audio checkbox to enable audio (audio-enabled camera required).
Click Save to set substream settings.