Adjusting The Projector Zoom / Focus; Adjusting Projected Image Size - Optoma TX780 User Manual

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 3.3 to 40.0 feet (1.0 to
12.2 meters).
Adjusting Projection Image Size
Width
3.3'(1.0m)
9.8'(3.0m)
16.4'(5.0m)
23.0'(7.0m)
29.5'(9.0m)
40.0'(12.2m)
Screen
Max. 24.6"(62.5cm)
(Diagonal)
Min. 20.5"(52.1cm)
Max. 19.68"x 14.76"
Screen
(WxH) 50.0 x 37.5cm
Size
Min. 16.40" x 12.30"
(WxH) 41.7 x 31.3cm
Max. 2.21" (5.6cm)
Hd
Min. 1.85" (4.7cm)
Distance
3.3' (1.0m)
This graph is for user's reference only.
Installation
123.0"
(312.5cm)
73.8"
(187.5cm)
24.6"
102.5"
(62.5cm)
(260.4cm)
61.5"
(156.3cm)
20.5"
(52.1cm)
73.8"(187.5cm) 123.0"(312.5cm)
61.5"(156.3cm) 102.5"(260.4cm)
59.04" x 44.28" 98.4" x 73.8"
150.0 x 112.5cm 250.0 x 187.5cm
49.20" x 36.90" 82.0" x 61.5"
125.0 x 93.8cm 208.3 x 156.2cm
6.64" (16.9cm) 11.07" (28.1cm)
5.54" (14.1cm) 9.23" (23.4cm)
9.8' (3.0m) 16.4' (5.0m)
Zoom Lever
Focus Ring
(762.5cm)
221.5"
(562.5cm)
172.2"
(437.5cm)
(635.4cm)
184.5"
(468.8cm)
143.5"
(364.6cm)
Hd
172.2"(437.5cm) 221.5"(562.5cm) 300.2"(762.5cm)
143.5"(364.6cm) 184.5"(468.8cm) 250.2"(635.4cm)
137.76" x 103.32" 177.20" x 132.90" 240.16" x 180.12"
350.0 x 262.5cm 450.0 x 337.5cm 610.0 x 457.5cm
114.8" x 86.1" 147.6" x 110.7" 200.16" x 150.12"
291.7 x 218.8cm 375.0 x 281.3cm 508.3 x 381.2cm
15.50" (39.4cm) 19.94" (50.6cm) 27.02" (68.6cm)
12.92" (32.8cm) 16.61" (42.2cm) 22.52" (57.2cm)
22.3' (7.0m) 29.5' (9.0m) 40.0' (12.2m)
7
English
300.2"
250.2"