Video detection first fraction of second

TaGosa

Young grasshopper
Joined
Jun 5, 2017
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I have HDW4231EM connected to Dahua NVR 5216. The motion detection videos are marked correctly (well almost correctly). Some times the motion detection marker is after a fraction of a second. For example, if a motion is detected because of switching on a light, the fraction of second where the scene goes from dark to bright is missed by the marker. The marker is set almost a fraction of second after the scene has become bright.

Is there a way I can change that?
 
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