Epson Pro L30002UNL 30,000-Lumen HDR Pixel-Shift DCI 4K Laser 3LCD Large Venue Projector (White) - Manual (Page 184)

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Projecting Two Images Simultaneously
You can use the split screen feature to simultaneously project two images from different image sources
next to each other. You can control the split screen feature using the projector menus.
Note: While you use the split screen feature, other projector features may not be available and some
settings may be automatically applied to both images. You cannot project from the same input source
onto both sides (left and right) of the screen. You also cannot use split screen with certain input source
combinations.
1. Press the Menu button.