The Linear Correction Filter operates in three quite different modes
- Trapeziod. Simple Digital Keystone correction.
- Complex. Digital Keystone correction with two axes.
- Stretch. 4:3 to 16:9 non-linear zoom mode.
| Setting | Default | Description |
|---|---|---|
| Do Only Masking | 0 | In Trapeziod and complex modes this flag determines whether to simply crop the picture of to squeeze the picture digitally. |
| Mask Parameter 1 | 0 | In Trapeziod and complex modes this is the precentage shrink to apply at the top of the picture. |
| Mask Parameter 2 | 0 | In Trapeziod mode this is the precentage shrink to apply at the bottom of the picture. In complex mode this is the precentage shrink to apply in the middle of the picture. |
| Mask Parameter 3 | 0 | In complex mode this is the precentage shrink to apply at the bottom of the picture. |
| Mask Parameter 4 | 0 | In complex mode this is the position of the middle section. |