Epson 61p - Manual (Page 36)

36 Projecting
Focusing and Zooming Your Image
Rotate the focus ring to sharpen the image.
Rotate the zoom ring to reduce or enlarge the image.
You can also change the image size by moving the projector closer to
or farther away from the screen. You can use the
E-Zoom buttons on
the remote control to zoom in on a portion of the image. See page 45
for instructions.
Focus ring
Zoom ring