8.4 Detecting Video TamperingTrigger alarm when the lens is covered and take alarm response action(s).Steps:1. Enter Video Tampering interface of Camera Management and select a channel you want to detect videotampering.Menu> Camera> Video Tampering Detection2. Check the checkbox of “Enable Video Tampering”.3. Drag the sensitivity bar and choose a proper sensitivity level.4. Click to set handling method of video tampering. Set arming schedule and alarm response actions ofthe channel.1) Click Arming Schedule tab to set the arming schedule of response action.2) Choose one day of a week and up to eight time periods can be set within each day.NOTETime periods shall not be repeated or overlapped.3) Select Linkage Action tab to set alarm response actions of video tampering alarm (please refer toChapter 8.7 Setting Alarm Response Actions).Repeat the above steps to set arming schedule of other days of a week. You can also use Copy buttonto copy an arming schedule to other days.4) Click the OK button to complete the video tampering settings of the channel.Repeat the above steps to finish settings of other channels, or click the Copy button copy the abovesettings to them.5. Click the Apply button to save and activate the settings.65