Epson PowerLite 1735W User Manual

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Using Multi-Screen Display
Multi-screen display mode allows you to project different images from multiple 
projectors that are connected to a single computer.
With Windows, multiple virtual displays can be set in the computer, and each 
image can be projected by the projector. This function is not available with 
Windows Vista due to restrictions in the Windows Vista specifications.
For the Macintosh, an external monitor must be connected to the computer to 
enable the use of the multi-screen display function. Whereas the above 
explanation has referred to "virtual display", in the case of the Macintosh, the 
operation relates to the screens displayed on the physically connected monitor.
Example of Adjusting the Virtual Display
By arranging the virtual display allocation, you can project only the image 
that you want to show when making a presentation or project different 
images from left to right.
Arrangement Example 1
Image of virtual 
display 1
Actual monitor 
image
Image of virtual 
display 2
Virtual display
Actual monitor
PowerPoint file
Virtual display
Excel file
Actual monitor 
image
Image of virtual 
display