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You can use the Change parameter function to group edit the parameter values for the group value change of the Axxon PSIM objects object parameters in the database. To use this function, you must know the structure of the Axxon PSIM database. We don't recommend using this function by for beginning users.

When After you select the the Change parameter function in the context menu of the system object, the Change parameter window opens.

Change The order of making changes:

1. From the Object drop-down list, select the type of the system objects, the parameter of which you want to change. This list contains only Only the objects that are children of the child objects to the object, the context menu of which you is used to open the Change parameter windowwindow, are available in the list. To change the parameters of the Computer object, select the Change parameter item in the context menu that opens when you right-click the area with no that isn't occupied by the objects of the Axxon PSIM objects tree.
2. From the Parameter drop-down list, select the name of the object parameter in the Axxon PSIM database.
   

   Note
   title Attention!
   The parameter will be is changed for all objects of the selected type in the distributed configuration.

3. In the Value field, specify a the new parameter value of the parameter in the format in which it will be saved is recorded in the database. You can find out the parameter data type of the parameter by using the ddi.exe utility (see see Editing main.dbi and main.ext.dbi templates of the main database using the ddi.exe utility). You can find out the format of the parameter when viewing the Axxon PSIM database (see Viewing Axxon PSIM database).
4. The Child only checkbox is set by default, which means that the parameter will change changes only for child objects of relative to the object selected in the tree at this time (for example, if the checkbox is set, the parameter will change changes only on the computer that is selected in the tree). If you want to change the parameter for all objects in the system, clear the checkbox. 
5. Click the Apply button.

Example. All You must switch all cameras in the system must be set to the black-and-white display mode.

For In this case, do the following:

1. Open the Change parameter window from the context menu of the Video capture device or the Computer object.
2. Fill in the fields in the Change parameter window as shown in the figure.
   
3. Click the Apply button.