Rose Electronics QuadraVista HDMI - Manual (Page 15)

Installation and Operations Manual 11
The control window is for creating and configuring the screen layout.
The option window is for window / label setup, save/load file, adjust image,
window size / position setting, monitor audio, and fader control.
6. Right-click the mouse on the control window title bar to access the
Group Layout menu. Select from 2×2 up to 7×7 as possible grid
positions on the monitor display.