32Configuring ROISteps Screenshot1. Right‐click anywhere in the previewinterface, and then choose Menu >Camera .The video channel interface is displayed.2. Select the channel to be configured fromthe video channel list, and then click Set.The selected analog channel must be inEnable state.3. Configure ROI parameters.1) Click the ROI tab, and select a channel fromthe Channel Select drop‐down list box.2) Click Set beside Area to enter the channelpreview state.3) Hold and drag the left button of the mouseto draw a rectangular frame to set a validarea. After setting the area, right‐click inthe area, and then choose Apply or Ok tofinish setting the ROI.NOTE!It is not recommended that the valid area of ROIexceed half of the current interface.4. Click Ok. The configuration is saved. -3 PreviewThe corresponding preview interface is displayed when you complete quick configuration. For details aboutquick configuration, refer to 2 Initial Configuration.
