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Multi Viewer Screen is shown below.
Settings button 
opens a new window for EMV.
button shows vumeter of viewed encoders.
In MV settings window, selectable encoders are listed on right. You can draw an encoder to a numbered and yellow framed screen to watch.
You can select the grid type of EMV from top. It will change the count and shape of the yellow framed screens.
Selected encoders will be added to screens when clicked OK.
changes fps count of selected encoder screen.
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