Epson ELPLP29 사용자 설명서

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Basic Operation > Adjusting the Display
Keystone
When the projector is not set at right angles to a screen, the display 
distorts in the shape of a trapezoid. This distortion can be corrected.
A
Press the [v] or [w] buttons.
Images can be corrected without distortion when the projector is tilted to a 
maximum of ±15°.
p
You can correct only vertical distortion with this function. 
Horizontal distortion cannot be corrected.
p
• Screen size changes when keystone correction is 
performed.
• If the images become uneven in appearance after keystone 
correction is performed,  decrease the sharpness setting. 
([Menu] button 
 "Image" 
 "Picture Quality" 
 
"Sharpness") 
Approx. 15° above
Approx. 15° below
15°
15°