1. Press Settings
2. Go to: Image Correction > Manual Keystone Correction
3. On the adjustment screen:
- Press OK to switch between control points (moves clockwise across 4 corners).
- Use the Arrow buttons to adjust the selected corner.
Notes:
- Adjustments can only be made in the direction indicated by on-screen arrows.
- If no arrow appears, the adjustment limit has been reached.
- Further correction required:
- Repositioning the projector, or
- Using Lens Shift
Reference:
- The center circle should be as close to a perfect circle as possible for correct proportions.
- Projector aspect ratio: 16:9