JVC C11U Instruction Manual - Page 31

2-4 Other Settings with V.Networks Setup Tool [3. Motion Detection Setting] (continued) 3. Press [Detail] to display [Motion Detection Setting]. V.Networks General Setting Refresh Interval The reference image on which motion detection is based is refreshed at a regular interval. In a condition where the reference image changes, like outdoors, set a low value. Note With the interval set to "0 second," the reference image is automatically refreshed if a motion is not detected for 10 seconds. Motion Distinction Interval This is for setting the minimum duration of time for which the object being monitored must move to be recognized as "motion." If the object is slow moving, the time should be longer to avoid detection errors. Available MASK Areas outside the one already set for motion detection (displayed in yellow) can also be selected. Reference Image For checking the reference image. The screen below is displayed. Refresh Press this button to refresh the reference image. Parameters Y Threshold A smaller value allows motion detection even if the difference of brightness with the reference image is insignificant. % Set to a smaller value if the moving object is not large enough and cannot be detected. Noise Filter Set to a larger value to reduce noise in the whole image. Updates the reference image. If this is selected, the reference image is automatically refreshed at a designated interval. 31