Epson PowerLite 713c Benutzerhandbuch

Before connecting the projector, you need to decide where to place it. 
The location you choose depends on the size of the room and what 
you are projecting.

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Place the projector on a sturdy, level surface, between 
3.6 and 45.5 feet from the screen.

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Make sure there is plenty of space for ventilation around and 
under the projector.

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Make sure the projector is within 6 feet of a grounded electrical 
outlet or extension cord and within 5 feet of your computer 
and/or video source. 

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Place the projector directly in front of the center of the screen, 
facing it toward the screen squarely. Otherwise, your image will 
not be rectangular.

Most presenters find it convenient to place the projector in front of 
the audience, leaving as much space as possible between the projector 
and the screen to get a good-sized image. This lets the presenter stand 
in the front of the room, face the audience, and remain close enough 
to the equipment to be able to control it.

Use the figure below as a guideline to help you determine how far 
from the screen to place the projector. Image size generally increases 
with distance, but may vary depending on how you position the lens 
ring and whether you have adjusted the image size with other settings. 

3.6 to 4.3 ft

7 to 9 ft

38 to 45 feet

distance from screen