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Sub-Stream
Sub-stream is a second codec that runs alongside the main stream. It allows you to reduce the
outgoing internet bandwidth without sacrificing your direct recording quality.
Sub-stream is often exclusively used by apps to view live video. Users with limited internet speeds
may benefit most from this setting.
Picture
The picture refers to the live picture capture in continuous or event recording type. (Storage →
Capture Schedule → Advanced
Picture Quality
Set the picture quality to low, medium or high. The higher picture quality results in more
storage space requirement.
Interval
The interval of capturing live picture.
Capture Delay Time
The duration of capturing pictures.
Configure Advanced Recording Parameters
Steps
1. Go to Storage → Schedule → Record.
2. Check Enable Schedule to enable scheduled recording.
3. Click Advanced to set the advanced parameters.
Record Audio
Enable or disable audio recording.
Pre-record
The time you set to record before the scheduled time or event. For example, when an alarm
triggers the recording at 10:00, and if you set the pre-record time as 5 seconds, the camera
Network Video Recorder User Manual
Figure 5-1 Advanced Record Settings
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