Dinion IP - NWC-0495 - Bosch

Dinion IP | Installation ManualEN | 73Scene too noisyActivate this function if tampering associated with EMC interference (noisy sceneas the result of a strong interference signal in the vicinity of the video lines), as anexample, should trigger an alarm.Reference checkYou can save a reference image that is continuously compared with the currentvideo image. If the current video image in the marked areas differs from thereference image, an alarm is triggered. This allows you to detect tampering thatwould otherwise not be detected, for example if the camera is turned.• Click Reference to save the currently visible video image as a reference.• Click Select area and select the areas in the reference image that are to bemonitored.• Check the box Reference check to activate the on-going check. The storedreference image is displayed in black and white below the current videoimage, and the selected areas are marked in red.Selecting the areaYou can select the image areas in the reference image that are to be monitored.The video image is subdivided into 858 square fields. You can activate ordeactivate each of these fields individually.NoteSelect only those areas for reference monitoring in which no movementtakes place and that are always evenly lit, as false alarms could otherwisebe triggered.• Click Select area to configure the sensor fields. A new window will open.• If necessary, click Clear all first to clear the current selection (fields markedred).• Left-click the fields to be activated. Activated fields are marked red.• If necessary, click Select all to select the entire video frame for monitoring.• Right-click any fields you wish to deactivate.• Click OK to save the configuration.Bosch Security Systems | 2006-05 | V2.0