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Sub-Stream
Sub-stream is a second code that runs alongside the main stream. It allows you to reduce the
outgoing internet bandwidth without sacricing your direct recording quality.
Sub-stream is oen exclusively used by apps to view live video. Users with limited internet speeds
may benet most from this seng.
Video Quality
Set the video quality as you desire. The higher video quality results in more storage space
requirement.
Congure Advanced Parameters
Steps
1. Go to Storage → Schedule → Record .
2. Check Enable Schedule to enable scheduled recording.
3. Click Advanced to set the advanced parameters.
Figure 4-1 Advanced Record Sengs
Record Audio
Enable or disable audio recording.
Pre-record
The me you set to record before the scheduled me or event. For example, when an alarm
triggers the recording at 10:00, and if you set the pre-record me as 5 seconds, the camera
records at 9:59:55.
Post-record
The me you set to record aer the event or the scheduled me. For example, when an
alarm triggered recording ends at 11:00, and if you set the post-record me as 5 seconds, it
records ll 11:00:05.
Stream Type
Main stream and sub-stream are selectable for recording. When you select sub-stream, you
can record for a longer me with the same storage space.
Network Video Recorder User Manual
41
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