setting correct motion detection - problem in documentation

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setting correct motion detection - problem in documentation

I am trying to understand the settings for surveillance station, and the documentation provided by Synology only makes it worse...

  1. In this documentation it says:

    Sensitivity: Determine how large the difference is required between a series of frames to trigger motion detection. Larger values will trigger motion detection more easily. The value range is 1 to 99 (%).

    This does not make sense to me. if the sensitivity is representing the difference between frames, than LOWER values will trigger motion more easily, not larger. Maybe the description is incorrect but the way I read it now, if I set the sensitivity to 99% then 99% of the frame has to be different in order to trigger a motion event. So obviously this is wrong, but then what did they really mean by sensitivity.

  2. Then it says:

    Threshold: The threshold of motion detection. Larger values will trigger motion detection for larger movements. The value range is 1 to 99 (%).

    This seems the same definition as sensitivity, but at least this one makes sense.
    I need to understand exactly how those parameters are used to determine an event.

  3. How come it is recording events when the timetable schedule does not have any range selected for any type? I do not have Home mode enabled.
 
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Hi,

I’m no expert and I kind of gave up on finding the right balance, so I continuously record. Check the following and see if it makes more (or less) sense :)

and
 

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