Optoma Optoma EP771 - Manual (Page 24)

Setup and Operation
Adjusting the Zoom, Focus and Keystone
1.
Use the Image-zoom
control (on the projector
only) to resize the pro-
jected image and
screen size
B
.
2.
Use the Image-focus
control (on the projector
only) to sharpen the
projected image.
A
3.
Press the Keystone
button on the remote
control.
The keystone control
appears on the display.
4.
Use the Keystone but-
ton to correct image
distortion.
Adjusting the Volume
1.
Press the Volume +/-
button on the remote
control.
The volume control ap-
pears on the display.
2.
Use the Volume +/-
button to adjust the
level.
3.
Press the Mute button
to turn off the volume.
24