Epson LightScene EV-115 2200-Lumen WXGA Laser 3LCD Projector (Black) - Manual (Page 89)

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Make sure that you aim the remote control at the projector's receiver within the angles listed here.
1 ±60°
2 ±15°
3 23 feet (7 m)
Note: Avoid using the remote control in conditions with bright fluorescent lights or in direct sunlight, or
the projector may not respond to commands. If you will not use the remote control for a long time,
remove the batteries.
Parent topic: Using Basic Projector Features
Selecting an Image Source
If you connected multiple image sources to the projector, such as a computer and SD card, you may
want to switch from one image source to the other.
1. Make sure the connected image source you want to use is turned on.
2. For video image sources, insert a DVD or other video media and press its play button, if necessary.