
zProjected range using geometric adjustment
VERTICAL KEYSTONE
Side View
α |
| |
Screen |
| |
| VERTICAL ARC | |
| Side View | |
| L2 | |
| L2 : Projection distance | |
| R2 : Radius of the circle | |
Screen |
| |
| R2 | |
| Side View | |
| L3 | |
Center of the |
| |
circle |
| |
Screen | L3 : Projection distance | |
R3 | ||
R3 : Radius of the circle | ||
|
HORIZONTAL KEYSTONE
Top View
β |
| |
Screen |
| |
HORIZONTAL ARC | ||
| Top View | |
| L2 | |
| L2 : Projection distance | |
| R2 : Radius of the circle | |
Screen |
| |
| R2 | |
| Top View | |
| L3 | |
Center of the |
| |
circle |
| |
Screen |
| |
R3 | L3 : Projection distance | |
R3 : Radius of the circle | ||
|
Getting Started
| Keystone correction only | When using arc and keystone correction together | Arc correction only | ||||||
Lens | Vertical | Horizontal | Vertical | Horizontal | R2/L2 | R3/L3 | R2/L2 | R3/L3 | |
Keystone | Keystone | Keystone | Keystone | ||||||
minimum | minimum | minimum | minimum | ||||||
| Correction | Correction | Correction | Correction | |||||
| value | value | value | value | |||||
| Angle α( °) | Angle β( °) | Angle α( °) | Angle β( °) | |||||
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±40 | ±15 | ±5 | ±5 | 1.6 | 3.2 | 0.8 | 1.6 | ||
±40 | ±15 | ±5 | ±5 | 1.2 | 2.4 | 0.6 | 1.2 | ||
±40 | ±15 | ±10 | ±10 | 0.8 | 1.6 | 0.4 | 0.8 | ||
±40 | ±15 | ±10 | ±15 | 0.6 | 1.0 | 0.3 | 0.5 | ||
±22 | ±15 | ±5 | ±5 | 3.0 | 6.0 | 1.5 | 3.0 | ||
±28 | ±10 | ±5 | ±5 | 2.4 | 4.8 | 1.2 | 2.4 | ||
±40 | ±15 | ±10 | ±15 | 0.4 | 0.8 | 0.2 | 0.4 |
Note
•When using geometric adjustment, if the amount of compensation is too great, excessive blurring may result.
•The curved screens illustrated are simply sections of a full circle.