Adjusting The Projector Zoom / Focus; Adjusting Projected Image Size - Acer PD725 User Manual

Installation
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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 3.9 to 39.4 feet (1.2 to 12.0 meters).
Adjusting Projection Image Size
295.3"(750.0cm)
246.1"(625.0cm)
196.9"(500.0cm)
246.1"
(625.0cm)
205.1"
(520.8cm)
164.0"
(416.7cm)
Screen
Max. 29.5"(75.0cm)
(Diagonal)
Min. 24.6"(62.5cm)
23.60" x 17.70"
Max.(WxH)
Screen
(60.0 x 45.0cm)
Size
19.68" x 14.76"
Min.(WxH)
(50.0 x 37.5cm)
Distance
3.94'(1.2m)
This graph is for user's reference only.
123.0"(312.5cm)
73.8"(187.5cm)
102.5"
29.5" (75.0cm)
(260.4cm)
61.5"
(156.3cm)
24.6"
(62.5cm)
73.8"(187.5cm) 123.0"(312.5cm) 196.9"(500.0cm)
61.5"(156.3cm) 102.5"(260.4cm) 164.0"(416.7cm)
59.04" x 44.28" 98.40" x 73.80" 157.52" x 118.14"
(150.0 x 112.5cm) (250.0 x 187.5cm) (400.0 x 300.0cm)
49.20" x 36.90" 82.00" x 61.50" 131.20" x 98.40"
(125.0 x 93.8cm) (208.3 x 156.2cm) (333.4 x 250.0cm)
9.84'(3.0m) 16.40'(5.0m) 26.25'(8.0m)
Zoom Ring
Focus Ring
3.94' (1.2m)
9.84' (3.0m)
16.40' (5.0m)
26.25' (8.0m)
32.81' (10.0m)
39.37' (12.0m)
246.1"(625.0cm) 295.3"(750.0cm)
205.1"(520.8cm) 246.1"(625.0cm)
196.88" x 147.66" 236.24" x 177.18"
(500.0 x 375.0cm) (600.0 x 450.0cm)
164.08" x 123.06" 196.88" x 147.66"
(416.6 x 312.5cm) (500.0 x 375.0cm)
32.81'(10.0m) 39.37'(12.0m)