Optoma EH7700 - Manual (Page 35)

35
English
User Controls
V Keystone
Press the or to adjust image distortion vertically. If the image
looks trapezoidal, this option can help make the image rectangular.
Auto Keystone
Automatically adjusts vertical image distortion.
H ARC
Corrects optical pincushion distortion horizontally.
V ARC
Corrects optical pincushion distortion vertically.