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By default, a single Video surveillance monitor displays all Surveillance windows related to it. To set The buttons on the top left side of the toolbar are used for changing the number of surveillance the Surveillance windows displayed on the Video surveillance monitor, buttons are used on the top left side of the monitor tools panel.
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If the display of the Control panel is disabled (see Setting the parameters of the Monitor interface box), then the Surveillance windows will be positioned automatically in such a way as to fill the area of the Monitor interface window. Moreover, if the Keep camera ratio parameter is disabled, then the video image in the Surveillance windows will be "stretched" or "compressed" to the width of the Monitor interface window. |
The one-fold button 
The button is used to display a single selected Surveillance window, the next other buttons – are used to simultaneously display a certain number of windows (4, 6, 9 or 16 windows ) on the Video surveillance monitor. The set of displayed buttons displayed varies changes automatically depending on the maximum number of cameras attached to the monitorvideo cameras corresponding to this Video surveillance monitor.
There is a special layout with six Surveillance windows featuring one Surveillance window larger than other five. This layout has certain restrictions mentioned below. The special six-fold layout can only be displayed by the 
button if the toolbar is enabled in the Video surveillance monitor. See the figures below for examples of the six-fold layout with the toolbar enabled and disabled.
Double left click in the Surveillance window on any layout, except for the six-fold layout, allows increasing the size of the Surveillance window, while some Surveillance windows will be hidden on the Video surveillance monitor. Double right click on the video image allows returing to the original layout.
Managing the number of the Surveillance windows with the mouse can be changed with the registry keys (see Registry keys reference guide). When using the MaximizeCameraOnDblClk registry key, double left click switches the Surveillance window to the one-fold layout from any layout, including the six-fold layout. Also, the switching to the one-fold layout and back can be enabled with the UseOneClkToMaximizeOrMinimizeCamera key.
The MaximizeCameraOnDblClk, MinimizeCameraOnDblClk and UseOneClkToMaximizeOrMinimizeCamera keys features are described in the table:
| Key values | Action on mouse double click |
MaximizeCameraOnDblClk = 0 UseOneClkToMaximizeOrMinimizeCamera = 0 or 1 | Standard behavior, the number of the windows doesn't increase in the six-fold layout |
MaximizeCameraOnDblClk = 1 UseOneClkToMaximizeOrMinimizeCamera = 0 or 1 | The six-fold layout switches to the one-fold layout with left double click. The one-fold layout switches to the six-fold layout with right double click |
MaximizeCameraOnDblClk = 1 UseOneClkToMaximizeOrMinimizeCamera = 0 | The current layout switches to the one-fold layout with left double click. The layout switches to the smaller window size with right or left double click |
MaximizeCameraOnDblClk = 1 UseOneClkToMaximizeOrMinimizeCamera = 1 | The current layout switches to the one-fold layout with left or right click. The layout switches to the smaller window size with right or left click Note. The first mouse click in the Surveillance window enables the camera, so if the window isn't initially active, two clicks will be required to enlarge |
In addition, the number of the Surveillance windows can be changed using the custom layouts (see Windows layout on the monitor). However, left double click always enlarges the Surveillance window to the entire Video surveillance monitor. Moreover, if the custom layout is selected, the layout mode icons are disabled, regardless of the number of the Surveillance windows displayed on the selected layout.
If GreenStream is configured (see Configuring an auto select of video stream for displaying section in Administrator's Guide), then when changing the number of the Surveillance window windows and scaling the video image, the video streams used for their display can be automatically changed.
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The Video surveillance monitor toolbar can be unavailable if the system is configured accordinglySome program settings render the tools panel inaccessible. If the Overlay 1 mode is chosen enabled during the system setupconfiguration, then the surveillance Surveillance window scaling by left double -clicking click is disabled, and the surveillance Surveillance windows layout cannot be changed. |
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