Honeywell K14392V1 manual To Configure CSD, Calibration of CSD, Forty-eight seconds

Models: K14392V1

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System Administrator’s Guide

To Configure CSD

Tip

1.Continue or start a Maintenance Session for the Rapid Eye site.

2.Click the Video tab. By default, Record/Motion/Image is selected.

3.Select CSD. A panel is displayed for configuring CSD. See figure 7–14.

4.You have the option of enabling the automatic detection of three types of sabotage: Blind, Blur or Moved, singly or in combination.

5.Lower or raise the threshold of detection for each type of sabotage, by horizontally dragging each Detection Threshold cursor, as needed. The default value is at midpoint (50), on a scale of 1 to 100. See figure 7–15.

6.Select Alarm or Log as needed; see Setting an Event to Trigger an Alarm or to Be Logged, p. 187. Each type of sabotage detection that is enabled will use the selection. If neither Alarm nor Log is selected, camera sabotage is not reported.

The Blind type of CSD can be used for fixed cameras and for PTZ cameras.

Blur and Moved are CSD types designed for fixed cameras only, not for PTZ use. Using pan, tilt or zoom triggers Blur and Moved.

Calibration of CSD

Fig. 7–15. Calibration of Blind-type CSD.

Detection meter

Above each slider for setting the detection threshold of Blind, Blur and Moved, a meter shows the CSD activity. The meter is green when activity is below the threshold, and red when the activity is above. If there is no activity, the meter is empty. See figure 7–15.

Blind. A camera can be blinded by too much light or too little. To calibrate, cover the camera with an opaque cloth or box, or prop a strong light in front of the camera. Blinding a camera also triggers the Blur-type and Moved-type of sabotage. Note that turning lights on/off at the scene can indirectly blind a camera. Panning a PTZ camera from a light colored scene to a darker scene (or vice versa) can also have that effect. Lowering the threshold can compensate.

Blur. It is not recommended to alter a camera's focus after installation. To simulate sabotage of focus, use a lens-like sheet of glass or plastic, or a transparent container of water, and prop it in front of the camera, during calibration.

Moved. See the next section.

Forty-eight seconds

Activity in a scene that could be considered as sabotage drives the meter from green to red. If such activity lasts less than 48 seconds, it does not trigger an alarm or log entry. This is designed to calibrate CSD and to reduce the number of false positives. For example, a person walking by a

Document K14392V1 Rev A

121

07/07

 

Page 121
Image 121
Honeywell K14392V1 manual To Configure CSD, Calibration of CSD, Forty-eight seconds