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Panasonic DLP Projector PT-DZ21KU PT-DS20KU PT-DW17KU Operating Instructions

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Page 31

Setting up
ENGLISH - 31
Getting Started
▶zStandard
Projection lens 
Model No. Only for [KEYSTONE] [KEYSTONE] and [CURVED] used together Only for [CURVED]
Vertical 
trapezoidal  distortion 
correction  angle α (°) Horizontal 
trapezoidal  distortion 
correction  angle β (°) Vertical 
trapezoidal  distortion 
correction  angle α (°) Horizontal 
trapezoidal  distortion 
correction  angle β (°) Minimum 
value of R2/ L2 Minimum 
value of R3/ L3 Minimum 
value of R2/ L2 Minimum 
value of R3/ L3
ET-D75LE1 ±40...

Page 32

Setting up
32 - ENGLISH
Getting Started
▶■Projection distance of each projection lens (for PT -DZ21KU)
▶z
When the screen aspect is 16:10 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.4 to 1.8:1 1.8 to 2.8:1 2.8 to 4.6:1 4.6 to 7.4:1 7.3 to 13.8:1 0.9 to 1.1:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW)...

Page 33

Setting up
ENGLISH - 33
Getting Started
▶zWhen the screen aspect is 16:9 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.4 to 1.8:1 1.8 to 2.8:1 2.8 to 4.6:1 4.6 to 7.4:1 7.3 to 13.8:1 0.9 to 1.1:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT)
1.78...

Page 34

Setting up
34 - ENGLISH
Getting Started
▶zWhen the screen aspect is 4:3 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.6 to 2.2:1 2.2 to 3.3:1 3.3 to 5.5:1 5.6 to 8.9:1 8.8 to 16.5:1 1.1 to 1.3:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT)
1.78...

Page 35

Setting up
ENGLISH - 35
Getting Started
▶■Projection distance of each projection lens (for PT -DS20KU)
▶z
When the screen aspect is 4:3 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.5 to 2.0:1 2.0 to 3.0:1 3.0 to 5.0:1 5.0 to 8.0:1 7.9 to 15.0:1 1.0 to 1.2:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max....

Page 36

Setting up
36 - ENGLISH
Getting Started
▶zWhen the screen aspect is 16:9 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.5 to 2.0:1 2.0 to 3.0:1 3.0 to 5.0:1 5.0 to 8.0:1 8.0 to 15.0:1 1.0 to 1.2:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT)
1.78...

Page 37

Setting up
ENGLISH - 37
Getting Started
▶■Projection distance of each projection lens (for PT -DW17KU)
▶z
When the screen aspect is 16:9 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
11.5 to 2.0:1 2.1 to 3.1:1 3.1 to 5.2:1 5.2 to 8.2:1 8.2 to 15.4:1 1.0 to 1.2:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW)...

Page 38

Setting up
38 - ENGLISH
Getting Started
▶zWhen the screen aspect is 4:3 (unit: m)
Lens type
Zoom lens
Projection lens Model No. ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 Throw ratio*
12.0 to 2.7:1 2.7 to 4.1:1 4.1 to 6.9:1 6.9 to 11.0:1 10.9 to 20.5:1 1.4 to 1.6:1
Screen size Projection distance (L)
Screen 
diagonal*2
(SD)
Height (SH) Width
(SW) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT) Min. 
(LW) Max. 
(LT)
1.78...

Page 39

Setting up
ENGLISH - 39
Getting Started
To use a screen size not listed in this manual, check the screen size SD and use the following formula to calculate 
projection distance.
The unit of the calculation result is m.
▶■Formula to calculate projection distance per projection lens (for PT-DZ21KU)
Projection lens Throw ratio Aspect ratioProjection distance (L) formula
Zoom lens ET-D75LE1
1.4 to 1.8:1 16:10
Min. (LW)
L = 1.1732 x SD (m) – 0.0760
Max. (LT) L = 1.5709 x SD (m) – 0.1004
1.4 to 1.8:1 16:9 Min....

Page 40

Setting up
40 - ENGLISH
Getting Started
Projection lens Throw ratio Aspect ratioProjection distance (L) formula
Zoom lens ET-D75LE40 4.6 to 7.4:1 16:10
Min. (LW)
L = 3.9528 x SD (m) – 0.1577
Max. (LT) L = 6.3031 x SD (m) – 0.1615
4.6 to 7.4:1 16:9 Min. (LW)
L = 4.0630 x SD (m) – 0.1577
Max. (LT) L = 6.4764 x SD (m) – 0.1615
5.5 to 8.9:1 4:3 Min. (LW)
L = 4.4764 x SD (m) – 0.1577
Max. (LT) L = 7.1339 x SD (m) – 0.1615
Fixed-focus  lens ET-D75LE5
0.7:1 16:10
—L = 0.6063 x SD (m) – 0.0835
0.7:1 16:9
— L =...

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