Nec GT2000 Manuel d'utilisateur télécharger pdf (Page 24)

E-24

β (sin= α)

γ (cos= α)

Screen Size

H–Width

4 : 3 Diagonal

A (

inch

812.8

1016

833

32.8

221

8.7

3.3

1219.2

1524

1303

51.3

373

14.7

3.3

1422.4

1778

1539

60.6

449

17.7

3.3

1625.6

2032

1774

69.8

525

20.7

3.3

1828.8

2286

2009

79.1

602

23.7

3.3

2032

100

2540

2244

88.3

678

26.7

3.3

2438.4

120

3048

2714

106.8

830

32.7

3.3

120

3048

150

3810

3419

134.6

1059

41.7

3.3

144

3657.6

180

4572

4124

162.4

1287

50.7

3.3

160

4064

200

5080

4594

180.9

1440

56.7

3.3

Formulas (mm)

H mm=Horizontal Screen Width

C = {[(H/ 26.6) – 30.77]230.8} + 841.3

D = (0.3752H) – 84.2

E = 84.2

Formulas (inch)

H inch=Horizontal Screen Width

C = {[(0.952H)– 30.8]21.21} + 33.1

D = (0.3752H) – 3.3

E =3.3

C : Horizontal throw distance between the screen surface and the lens

D : Vertical distance between the projector foot and the base of image

E : Vertical distance between the projector foot and the screen center

Degree

12345678 (m)

(m)

0.0

1.0

Screen center line

Desktop line

Screen Bottom

GT2000R

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 86 87

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Nec GT2000 Manuel d'utilisateur Page 24

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