Using Basic Projector Features
When the projector is moved or tilted, Auto V-Keystone automatically corrects any vertical keystone distortion.
Auto V-Keystone can correct the projected image distortion in these conditions:
Projection angle is about 30º up or down
The Projection setting is set to Front in the projector's Extended menu
If you do not want to use the Auto V-Keystone function, set Auto V-Keystone to Off in the projector's menu.
Settings >
Keystone >
H/V-Keystone >
Auto V-Keystone