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Most of USB HID compatible joystick and rod controll can be used as controller.
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==Controller dialog==
[[Image:Controllers1 en.jpg|left|thumb|600px]]
[[Image:ScreenHunter_34 Dec. 23 12.01.jpg|left|frame]] Use popup menu to open "Controller settings" dialog. A controller is a joystick or keyboard that is used to activate some functions like PTZ or playback, or switching to full screen and back to cell layout.
The Controller settings menu can be reached this way:<br>
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'''Right click on the main screen > Preferences > Menu button > Controller settings button'''
The most important parameter is the [[Image:ScreenHunter_31 Dec. 23 11.11.jpg||]]. In most case more than one monitors are connected to the matrix. Increase the number of screens to open a new instance of matrix on a new monitor. The maximum number of monitors that can be used corresponds to the OS (Windows) settings. Recommended limit of monitors is 6 for 24 hours usage. Otherwise 8 is also safe to run.
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"Default template" panel is to define the saved templates that should open during start-up.
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"Warnings" panel is to change the labels layer that are indicated above the camera pictures.<br/>
"Licensed parameters" is for license handling. Without a valid dongle the application runs for 1 hour and then it aborts.
If a valid licence dongle is connected then it is automatically recognized and listed. The license must correspond to the number of channels in the device tree.
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==License update==
[[Image:Controllers en.JPG|left|thumb|500px]]
[[Image:ScreenHunter_33 Dec. 23 11.55.jpg|left|frame]] If you want to update an existing license then initiate a license request by clicking on the left green button. This creates a file that you must send us. We send back an update file. It can be inserted by using the right green button.
You can set, on which button, what kind of operation to execute.<br>
A name, and a selction color can be set here as well.
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