Adjusting the Screen Size and Projection Distance

Refer to the illustrations and tables below to determine the screen size and projection distance.

The values shown in the table are calculated for a full size screen a:Distance from the projector to the screen (±10%)

b:Distance from the lens center to the bottom of the screen (±10%) c:Distance from the lens center to the top of the screen (±10%)

If 4:3 aspect ratio

4

3

Top View

a

Side View

Screen size

 

a [inches (m)]

 

[inches (m)]

 

 

Min.

Max.

 

 

 

 

 

 

40

(1.0)

62

(1.6)

82

(2.1)

 

 

 

 

 

 

60

(1.5)

94

(2.4)

123

(3.1)

 

 

 

 

 

 

80

(2.0)

127

(3.2)

164

(4.2)

 

 

 

 

 

 

100

(2.5)

160

(4.1)

205

(5.2)

 

 

 

 

 

 

120

(3.0)

192

(4.9)

246

(6.3)

 

 

 

 

 

 

150

(3.8)

241

(6.1)

308

(7.8)

 

 

 

 

 

200

(5.0)

323

(8.2)

411 (10.4)

 

 

 

 

 

 

7

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Image 8
Hitachi CPX385W user manual Adjusting the Screen Size and Projection Distance, If 43 aspect ratio