Adjusting The Projector's Zoom / Focus; Adjusting Projection Image Size - Optoma TX776 User Manual

Installation
Width
3.9'(1.2m)
11.2'(3.4m)
18.0'(5.5m)
25.3'(7.7m)
32.2'(9.8m)
32.8'(10.0m)
Max.
Screen
(Diagonal)
Min.
Max.
Screen
(WxH)
Size
Min.
(WxH)
Max.
Hd
Min.
Distance
8
English

Adjusting the Projector's 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 3.9 to 32.8 feet (1.2 to 10.0 meters).
Zoom Ring

Adjusting Projection Image Size

106.6"
(270.7cm)
37.6"
(99.5cm)
68.8"
(174.8cm)
31.2"
(79.4cm)
37.6" (95.5cm) 106.6" (270.7cm) 172.4" (437.9cm) 241.4" (613.1cm) 307.2" (780.3cm) 313.5" (796.2cm)
31.2" (79.4cm) 68.8" (174.8cm) 114.7" (291.4cm) 160.6" (407.9cm) 206.5" (524.5cm) 275.3" (699.3cm)
30.1" x 22.6" 85.3" x 63.9"
76.4 x 57.3cm 216.6 x 162.4cm
25.0" x 18.7" 70.8" x 53.1"
63.5 x 47.6cm 179.9 x 134.9cm
2.26" (5.7cm) 6.39" (16.2cm) 10.34" (26.3cm) 14.48" (36.8cm) 18.43" (46.8cm) 18.81" (47.8cm)
1.87" (4.76cm) 5.31" (13.49cm) 8.59" (21.83cm) 12.03" (30.56cm) 15.31" (38.89cm) 15.62" (39.68cm)
3.9' (1.2m) 11.2' (3.4m)
This graph is for user's reference only.

241.4"
(613.1cm)
172.4"
(437.9cm)
160.6"
(407.9cm)
114.7"
(291.4cm)
137.9" x 103.4" 193.1" x 144.8"
350.3 x 262.7cm 490.4 x 367.8cm
114.6" x 85.9" 160.4" x 120.3"
291.0 x 218.3cm 407.4 x 305.6cm
18.0' (5.5m) 25.3' (7.7m)
Focus Ring
313.5"
(796.2cm)
307.2"
(780.3cm)
275.3"
(699.3cm)
206.5"
(524.5cm)
Hd
245.7" x 184.3" 250.8" x 188.1"
624.2 x 468.2cm 636.9 x 477.7cm
204.1" x 153.1" 208.3" x 156.2"
518.5 x 388.9cm 529.1 x 396.8cm
32.2' (9.8m) 32.8' (10.0m)