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

Installation
14
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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 4.9 to 39.4 feet (1.5 to 12.0 meters).
Adjusting Projection Image Size
304.9"
(774.5cm)
203.3"
(516.3cm)
277.3"
(704.4cm)
184.9"
(469.6cm)
Screen
Max. 38.1"(96.8cm)
(Diagonal)
Min. 34.7"(88.1cm)
30.5" x 22.9"
Max.(WxH)
Screen
(77.4 x 58.1cm)
Size
27.8" x 20.8"
Min.(WxH)
(70.5 x 52.9cm)
Distance
4.9'(1.5m)
This graph is for user's reference only.

177.9"
(451.8cm)
127.1"
(322.7cm)
(193.6cm)
161.8"
(410.9cm)
115.6"
(293.5cm)
(176.1cm)
76.2"(193.6cm) 127.1"(322.7cm)
69.3"(176.1cm) 115.6"(293.5cm)
61.0" x 45.7" 101.7" x 76.3"
(154.9 x 116.2cm) (258.2 x 193.6cm)
55.4" x 41.6" 92.5" x 69.4"
(140.9 x 105.7cm) (234.8 x 176.1cm)
9.8'(3.0m) 16.4'(5.0m)
Zoom Ring
Foctus Ring
76.2"
38.1"
(96.8cm)
69.3"
34.7"
(88.1cm)
4.9' (1.5m)
9.8' (3.0m)
16.4' (5.0m)
23.0' (7.0m)
26.3' (8.0m)
39.4' (12.0m)
177.9"(451.8cm) 203.3"(516.3cm) 304.9"(774.5cm)
161.8"(410.9cm) 184.9"(469.6cm) 277.3"(704.4cm)
142.3" x 106.7" 162.6" x 122.0" 243.9" x 182.9"
(361.4 x 271.1cm) (413.0 x 309.8cm) (619.6 x 464.7cm)
129.4" x 97.1" 147.9" x 110.9" 221.8" x 166.4"
(328.7 x 246.5cm) (375.7 x 281.8cm) (563.5 x 422.6cm)
23.0'(7.0m) 26.3'(8.0m) 39.4'(12.0m)