AAXA Technologies LED Android - Manual (Page 14)

Picture Settings (Cont)
9
Keystone allows vertical keystone adjustment. Please see
Keystone Adjustments page for more information. Horizontal
Keystone is not supported.
The Projector allows 4 different display modes which accomodate for
rear-projection and reverse (up-side down) mounting and is accomplished
through vertical or horizontal flip
.
Keystone
Display Mode
Aspect Ratio
The Aspect ratio can be set to 6 different settings. The first is an “auto”
setting. The next few settings forces between 4:3 or 16:9 (native) aspect
ratio, while Zoom 1 and Zoom 2 will zoom the image. “Just Scan” can
switch the image to wide screen / cinema mode.