ViewSonic Pro9000 Manuel d'utilisateur télécharger pdf (Page 21)

the position or the zoom ring. For example: to obtain an image size of 60” set the

projector at a distance 2.0 m and 2.4 m from the screen and adjust the zoom level

accordingly.

Screen size v.s. Distance table

Screen size Distance (m) Top (cm)

Diagonal (inch)

<A>

W (cm) x H (cm) Max zoom

<B>

Min zoom

<C>

From base to top of image

<D>

30 66 x 37 1.0 1.2 43

40 89 x 50 1.3 1.6 58

50 111 x 62 1.7 2 72

60 133 x 75 2 2.4 87

70 155 x 87 2.3 2.8 101

80 117 x 100 2.7 3.2 116

90 199 x 112 3.0 3.6 130

100 221 x 125 3.3 4.0 144

110 247X 139 3.7 4.4 161

120 266 x 149 4 4.8 173

130 287 x 161 4.3 5.2 187

140 311 x 175 4.7 5.6 204

150 332 X187 5 6 217

Zoom Ratio: 1.2x

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 56 57

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ViewSonic Pro9000 Manuel d'utilisateur Page 21