Select Area Diaog Box; Tamper Detection - Bosch LTC-1311-20 Configuration Manual

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Sensitivity (only with MOTION+ functionality)
Move the slider to adjust the sensitivity of the motion detector. The motion detector reacts to
variations in the brightness of the video image. The darker the observation area, the higher
the value that must be selected.
Minimum object size (only with MOTION+ functionality)
Specify the number of sensor fields that a moving object must cover to generate an alarm.
This settings prevents small objects from triggering an alarm.
A minimum value of 4 is recommended. This value corresponds to four sensor fields.
18.8.2

Select Area diaog box

This dialog box displays the camera image. Within this window you can activate the areas of
the image to be monitored.
To activate an area:
In the camera image, drag over the area you want to activate. Activated areas are marked
yellow.
To deactivate an area:
In the camera image, press the SHIFT key and click the area you want to deactivate.
To obtain commands in the window:
To see the commands for activating or deactivating the areas, right-click anywhere in the
window. The following commands are available:
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18.8.3

Tamper detection

You can detect tampering of cameras and video cables by means of various options. Run a
series of tests at different times of the day and night to ensure that the video sensor is
operating as intended.
The options for tamper detection can only be set for fixed cameras. Dome cameras or other
motorized cameras cannot be protected in this manner as the movement of the camera itself
causes changes in the video image that are too great.
Scene too bright
Select the check box if extreme light (for instance, shining a flashlight directly on the lens)
should trigger an alarm. The average brightness of the scene provides a basis for recognition.
Global change
Select the check box if the changes, set with the Global change slider, should lead to trigger
an alarm.
Move the slider to set how large the changes in the video image must be for an alarm to be
triggered. Set a high value if changes that occur simultaneously in few areas should lead to
Configuration Client | V3 | 2010.07
Undo
Undoes the last command.
Set All
Activates the entire camera image.
Clear All
Deactivates the entire camera image.
Tool
Defines the shape of the mouse pointer.
Settings
Displays the Editor Settings dialog box. In this dialog box you can change the sensitivity
and the minimum object size.
Configuration Manual
Bosch Video Management System
Bosch Sicherheitssysteme GmbH