Time - ROHS QH-NVR User Manual

3.2.3.2 Time

[Pre-alarm Record Time]: Alarm signal needs a little time to process and trigger
recording, it may not record some important information before alarm activation. This
function can save pre-recording and improve monitoring reliability. Set the record time
before event happen (motion detection or sensor alarm).
[Post-alarm Record Time]: The delay time to stop recording after the alarm is finished.
[Expire]: The hold time of recorded files. If the video files are overdue, they will be deleted
automatically.
Network Video Recorder User Manual
Fig 3-13
Fig 3-14
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