Panasonic PTDZ8700U - DLP PROJECTOR Operating Instructions Manual page 23

J
Projected range using geometric adjustment
(PT-DZ8700U/PT-DS8500U only)
VERTICAL KEYSTONE (Side View)
Screen
VERTICAL ARC (Side View)
L2
Screen
Center of
the circle
Screen
R3
Keystone correction only
Vertical
Lens
Keystone
Correction
Angle α (°)
ET-D75LE1 ±40
ET-D75LE2 ±40
ET-D75LE3 ±40
ET-D75LE4 ±40
ET-D75LE5 ±22
ET-D75LE6 ±28
ET-D75LE8 ±40
ET-D75LE10 ±40
ET-D75LE20 ±40
ET-D75LE30 ±40
Note
z
When using geometric adjustment, if the amount of compensation is too great, excessive blurring may result.
z
The curved screens illustrated are simply sections of a full circle.
L2 : Projection distance
R2 : Radius of the circle
R2
L3
L3 : Projection distance
R3 : Radius of the circle
When using arc and keystone correction together
Horizontal Vertical
Keystone Keystone
Correction Correction
Angle β (°) Angle α (°)
±15 ±5
±15 ±5
±15 ±10
±15 ±10
±15 ±5
±10 ±5
±15 ±10
±15 ±5
±15 ±5
±15 ±5
HORIZONTAL KEYSTONE (Top View)
Screen
HORIZONTAL ARC (Top View)
L2
Screen
Center of
the circle
Screen
R3
Horizontal
R2/L2
Keystone
minimum minimum
Correction
value
Angle β (°)
±5 1.6
±5 1.2
±10 0.8
±15 0.6
±5 3.0
±5 2.4
±15 0.4
±5 1.6
±5 1.6
±5 1.2
Setting up
L2 : Projection distance
R2 : Radius of the circle
R2
L3
L3 : Projection distance
R3 : Radius of the circle
Arc correction only
R3/L3 R2/L2 R3/L3
minimum minimum
value value value
3.2 0.8
2.4 0.6
1.6 0.4
1.0 0.3
6.0 1.5
4.8 1.2
0.8 0.2
3.2 0.8
3.2 0.8
2.4 0.6
ENGLISH -
1.6
1.2
0.8
0.5
3.0
2.4
0.4
1.6
1.6
1.2
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