Installation

Adjusting the Projector Zoom / Focus

You may turn the zoom lever to zoom in or out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances from 4.9 to 40.0 feet (1.5 to 12.2 meters).

Zoom Lever

Focus Ring

Adjusting Projection Image Size

 

Height

Width

123.0"

 

(312.5cm)

73.8"

(187.5cm)

36.9"

(93.8cm)102.5" 61.5" (260.4cm)

30.8" (156.3cm) (78.1cm)

172.2"

(437.5cm)

143.5"

(364.6cm)

300.2"

(762.5cm)

221.5"

(562.5cm)

250.2" 184.5" (635.4cm)

(468.8cm)

Hd

4.9'(1.5m)

9.8'(3.0m)

16.4'(5.0m)

23.0'(7.0m)

29.5'(9.0m)

40.0'(12.2m)

Screen

 

Max.

36.9”(93.8cm)

73.8”(187.5cm)

123.0”(312.5cm)

172.2”(437.5cm)

221.5”(562.5cm)

300.2”(762.5cm)

 

 

(Diagonal)

 

 

 

 

 

 

 

 

 

Min.

30.8”(78.1cm)

61.5”(156.3cm)

102.5”(260.4cm)

143.5”(364.6cm)

184.5”(468.8cm)

250.2”(635.4cm)

Screen

 

Max.

29.52”x 22.14”

59.04” x 44.28”

98.4” x 73.8”

137.76” x 103.32”

177.20” x 132.90”

240.16” x 180.12”

 

(WxH)

75.0 x 56.3cm

150.0 x 112.5cm

250.0 x 187.5cm

350.0 x 262.5cm

450.0 x 337.5cm

610.0 x 457.5cm

Size

 

 

 

 

 

 

 

 

 

Min.

24.64” x 18.48”

49.20” x 36.90”

82.0” x 61.5”

114.8” x 86.1”

147.6” x 110.7”

200.16” x 150.12”

 

 

(WxH)

62.5 x 46.9cm

125.0 x 93.8cm

208.3 x 156.2cm

291.7 x 218.8cm

375.0 x 281.3cm

508.3 x 381.2cm

 

 

 

 

 

 

 

 

 

Hd

 

Max.

3.32” (8.4cm)

6.64” (16.9cm)

11.07” (28.1cm)

15.50” (39.4cm)

19.94” (50.6cm)

27.02” (68.6cm)

 

 

 

 

 

 

 

 

 

Min.

2.77” (7.0cm)

5.54” (14.1cm)

9.23” (23.4cm)

12.92” (32.8cm)

16.61” (42.2cm)

22.52” (57.2cm)

 

 

 

 

 

 

 

 

 

 

 

Distance

 

4.9’ (1.5m)

9.8’ (3.0m)

16.4’ (5.0m)

22.3’ (7.0m)

29.5’ (9.0m)

40.0’ (12.2m)

This graph is for user’s reference only.

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Optoma Technology EP747 manual Adjusting the Projector Zoom / Focus, Adjusting Projection Image Size