Automatically adjust the image to align with the screen edges.
To enable Screen Alignment Assist:
1. Go to "All Settings" -- "Projector" -- "Keystone" -- "Screen Alignment Assist".
2. Follow the on-screen instructions to move your device, ensuring that all four edges of the projected image extend beyond the edges of the screen. Then press the OK button, and the projector will automatically align the projected image with the screen.