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( °)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ET-D75LE1

±40

±15

±5

±5

1.6

3.2

0.8

1.6

ET-D75LE2

±40

±15

±5

±5

1.2

2.4

0.6

1.2

ET-D75LE3

±40

±15

±10

±10

0.8

1.6

0.4

0.8

ET-D75LE4

±40

±15

±10

±15

0.6

1.0

0.3

0.5

ET-D75LE5

±22

±15

±5

±5

3.0

6.0

1.5

3.0

ET-D75LE6

±28

±10

±5

±5

2.4

4.8

1.2

2.4

ET-D75LE8

±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.

ENGLISH 21

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Image 21
Panasonic PT-DZ12000U Projected range using geometric adjustment, Vertical Keystone, Vertical ARC, Horizontal Keystone