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The motion detection level you have set may not be sufficient for motion detection recording depending on the resolution, image quality, the recording subject, and network environment.
To ensure proper operation, test the motion detection recording on the motion detection monitoring window (→
Motion Detection Page) and adjust the motion detection level as necessary.
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When motion is detected just after the start time or just before the end time specified in the timer recording settings, the recording time may be shortened. Recording may also be shortened when motion is detected just after motion detection is started or just before motion detection is stopped manually.
Example: You have set images to be recorded 5 seconds before and after motion detection. If 1 second before motion detection, motion detection recording starts, and then finishes 2 seconds after motion detection, images from the first 4 seconds before motion detection and the last 3 seconds after motion detection are not recorded.
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If after-motion detection recording and before-motion detection recording overlap, a continuous image is recorded.
Example: You have set images to be recorded 5 seconds before and after motion detection.