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By default, a single Video surveillance monitor displays all Surveillance windows related to it. The buttons on the top left side of the tools panel toolbar are used for changing the changing the number of surveillance the Surveillance windows displayed on the Video surveillance monitor.
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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 other buttons – are used to simultaneously display a certain number of windows (4, 6, 9 or 16) on on the Video surveillance monitor. The The set of displayed buttons changes automatically depending on the maximum number of video 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 clicking click in the Surveillance window on any layout, except for the six layouts-fold layout, allows increasing the size of the Surveillance window, while some Surveillance windows will be hidden on the Video surveillance monitor. Double right clicking click on the video image allows returing to the original layout. When using the MaximizeCameraOnDblClk registry key
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 clicking swithes click switches the Surveillance window to the single one-fold layout mode from any layout, including the six layout mode-fold layout. Also, the switching to the one-fold layout and back can be enabled with the UseOneClkToMaximizeOrMinimizeCamera key.
The MaximizeCameraOnDblClk, MinimizeCameraOnDblClk and MinimizeCameraOnDblClk key 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 video surveillance the Surveillance windows can be changed using the custom layouts - (see Windows layout on the monitor). However, the left double - click always increases enlarges the viewing Surveillance window to the full-screen single layout modeentire Video surveillance monitor. Moreover, if the user custom layout is selected, the layout mode buttons 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), then when changing the number of the Surveillance windows and scaling the video image, the video streams used for their display can be automatically changed.
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The Monitor tools panel Video surveillance monitor toolbar can be disabled due to unavailable if the system setupis configured accordingly. If the Overlay 1 mode is 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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