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The You can use the Change parameter function is used to group edit the parameter values of the Axxon PSIM objects in the database. To use this function, you should must know the structure of the Axxon PSIM database structure. This function isnWe don't recommended to be used recommend using this function by beginning users.

When you select the the Change parameter function in the context menu of the system object, the Change parameter dialog box will open window opens.

Change order:

1. From

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1. the Object drop-down list, select the type of the system objects, the parameter of which

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1. you want to change. This list contains only the objects that are the child objects to the object

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1. , the context menu

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1. of which you used to

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1. open the Change parameter window. To

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1. 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 objects of Axxon PSIM objects tree.
2. From

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1. the Parameter drop-down list, select the name of the object parameter

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1. in

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1. the Axxon PSIM database.
   

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

2. In

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1. the Value field, specify a new value of the parameter in the format in which it will be saved in the database. You can find out the data type of the parameter using the ddi.exe utility (see Editing psim.dbi and psim.ext.dbi database templates 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).

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1. The Child only checkbox is set by default, which means that the parameter will change only for child objects of the object selected in the tree (for example,

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1. if the

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1. checkbox is set, the parameter will change on the computer selected in the tree). If you want to change the parameter for all objects in the system, clear the checkbox. 
2. Click the Apply button.

Example. All cameras in the system should display a must be set to black-and-white video imagedisplay mode.

For this, do the following:

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