Adjusting The Projector Zoom / Focus; Adjusting Projected Image Size - NEC LT20 User Manual

Installation
14
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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 projec-
tor will focus at distances from 4.9 to 32.8 feet (1.5 to 10.0 meters).
Zoom Lever
Focus Ring

Adjusting Projected Image Size

4.92' (1.5m)
9.84' (3.0m)
16.40' (5.0m)
22.97' (7.0m)
26.25' (8.0m)
32.81' (10.0m)
Screen
Max. 36.9"(93.8cm)
(Diagonal)
Min. 31.7"(80.5cm)
29.52" x 22.14"
Max.(WxH)
Screen
(75.0 x 56.3cm)
Size
25.36" x 19.02"
Min.(WxH)
(64.4 x 48.3cm)
Distance
4.92'(1.5m)
This graph is for user's reference only.
Diagonal
123.0"
(312.5cm)
73.8"
(187.5cm)
36.9"
105.6"
(93.8cm)
(268.2cm)
63.4"
(160.9cm)
31.7"
(80.5cm)
73.8"(187.5cm) 123.0"(312.5cm)
63.4"(160.9cm) 105.6"(268.2cm)
59.04" x 44.28" 98.40" x 73.80"
(150.0 x 112.5cm) (250.0 x 187.5cm)
50.72" x 38.04" 84.48" x 63.36"
(128.7 x 96.5cm) (214.6 x 160.9cm)
9.84'(3.0m) 16.40'(5.0m)
(625.0cm)
196.9"
(500.0cm)
172.2"
(437.5cm)
(536.5cm)
169.0"
(429.2cm)
147.8"
(375.5cm)
172.2"(437.5cm) 196.9"(500.0cm) 246.1"(625.0cm)
147.8"(375.5cm) 169.0"(429.2cm) 211.2"(536.5cm)
137.76" x 103.32" 157.52" x 118.14" 196.88" x 147.66"
(350.0 x 262.5cm) (400.0 x 300.0cm) (500.0 x 375.0cm)
118.24" x 88.68" 135.20" x 101.40" 168.96" x 126.72"
(300.4 x 225.3cm) (343.4 x 257.5cm) (429.2 x 321.9cm)
22.97'(7.0m) 26.25'(8.0m) 32.81'(10.0m)
246.1"
211.2"