Canon C50FSi Network Video Recorder VK-64/VK-16 Administrator's Manual - Page 128

Set Motion Detection Recording Area Ratio marker. Area Ratio marker. Yellow color bar - Changed area is equal to or greater than the specified Area Ratio (activity peaks on or to the right of the Area Ratio Marker) but the required cotinuance of motion has not met the specified duration in order to trigger an event. Red color bar - The amount of change that meets the defined detection conditions and motion is detected, triggering an event, i.e., the required amount of motion has been detected for the specified duration. ● Set the Sensitivity Sensitivity is the degree of change which is detected as motion. Drag the slide bar to adjust Sensitivity to the required value. Can be specified in increments of 10 from 1 to 250. The sensitivity can be set to Low - Med or Med - High. To set, check the Detail Settings checkbox and click the Settings button. Tip When the Detail Settings dialog box is displayed, click Low - Med to set the sensitivity in the range of 1 to 128, or Med - High to set in the range of 129 to 256. ● Set the Area Ratio Area Ratio is the degree of change of area (ratio against the defined detection area) detected as motion. Click and drag the Area Ratio slide bar to any position from 0% to 100%. This establishes the proportion of image inside the Active Region (dotted frame) allowed before motion is detected. Area Ratio marker. When you drag the slide bar, the black vertical line in the Detection Indicator will move to reflect the change in specified Area Ratio. Although the duration for recognizing motion is fixed at 0.2 seconds, this can also be changed if neccesary. To change this Tip setting, select the Detail Settings checkbox and click the Settings button. The Detail Settings dialog box is displayed, and the value can be change in the range of 0.0 to 5.0 seconds. 128