Epson BrightLink 475Wi Operation Manual page 31

Using Multi-Screen Display
B
Click "Connect".
The image allocated to each projector is projected.
In a Windows environment, you cannot view the image being sent
to a virtual display on the computer. To adjust the image on the
virtual display, you must do so while viewing the projected image.
To perform mouse-based operations on the virtual display, move
the mouse pointer in the direction of the virtual display, so that the
pointer appears on the virtual display.
C
To terminate multi-screen display, click "Disconnect" on the
toolbar.
q
In a Windows environment, if the virtual display driver has been enabled
so that the mouse pointer can be moved outside the limits of the screen,
there may be occasions when you lose track of the location of the pointer. If
you are not using a virtual display, clear the virtual display checkbox on the
Add-Remove EPSON Virtual Display screen so that the mouse pointer
moves back inside the screen's display area. To subsequently use
multi-display again, select the required display under Add-Remove
EPSON Virtual Display.
To clear a check mark, see the following.s
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