Acer PD726 - Manual (Page 18)

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Installation
Adjusting the Projector Zoom / Focus
You may turn the zoom ring 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 3.94 to 39.37 feet (1.2 to
12.0 meters).
Adjusting Projection Image Size
Focus Ring
Zoom Ring
Max. 29.50"(74.9cm) 73.80"(187.5cm)
Min. 24.60"(62.5cm) 61.50"(156.3cm) 143.50"(364.6cm) 102.50"(260.4cm) 205.10"(520.8cm) 246.10"(625.0cm)
Max.(WxH)
23.62" x 17.72"
(60.0 x 45.0cm)
59.06" x 44.29"
(150.0 x 112.5cm)
Min.(WxH)
19.69" x 14.76"
(50.0 x 37.5cm)
49.21" x 36.91"
(125.0 x 93.8cm)
114.83" x 86.12" 82.02" x 61.52"
(291.7 x 218.8cm) (208.3 x 156.3cm)
164.18" x 123.14"
(417.0 x 312.8cm)
196.85" x 147.64"
(500.0 x 375.0cm)
3.94'(1.2m) 9.84'(3.0m) 32.81'(10.0m)
295.30"(750.0cm)
236.22" x 177.17"
(600.0 x 450.0cm)
39.37'(12.0m)
246.1"(625.0cm)
196.85" x 147.64"
(500.0 x 375.0cm)
172.20"(437.5cm)
137.80" x 103.35"
(350.0 x 143.50cm) (250.0 x 187.5cm)
22.97'(7.0m) 16.40'(5.0m)
123.0"(312.5cm)
98.43" x 73.82"
61.5"
(156.3cm)
102.5"
(260.4cm)
143.5"
(364.6cm)
205.1"
(520.8cm)
246.1"
(625.0cm)
29.5" (75.0cm)
73.8"(187.5cm)
123.0"(312.5cm)
172.2"(437.5cm)
246.1"(625.0cm)
295.3"(750.0cm)
3.94'
39.37'
32.81'
22.97'
16.40'
9.84'
(1.2m)
(12.0m)
(10.0m)
(7.0m)
(5.0m)
(3.0m)
24.6"
(62.5cm)
Screen
(Diagonal)
Screen
Size
Distance
 This graph is for user’s reference only.