LG BS275 User Guide - Page 19

Adjusting the Projector Zoom and Focus, Adjusting Projection Image Size, Focus Ring

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Installation Adjusting the Projector Zoom and 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 39.36 feet (1.2 to 12.0 meters) with mechanical travel. Zoom Ring Focus Ring Adjusting Projection Image Size H : A = 6.78 B ÷ H x 100% = 115%(Offset) H Diagonal B 250" (635.0cm) 307" (779.8cm) 200" (508.0cm) A 150" A Lens Center (381.0cm) 100" (254.0cm) 40" (101.6cm) B Lens Center Max. zoom Min. zoom *** ~ 3.936'(1.200m) 13.000'(3.962m) ~ 14.333'(4.369m) 19.500'(5.944m) ~ 21.500'(6.553m) 26.000'(7.925m) ~ 28.667'(8.738m) 32.500'(9.906m) ~ 35.833'(10.922m) 39.364'(11.998m) ~ *** Screen (Diagonal) Screen Size (WxH) Distance (Max. Zoom) Distance (Min. Zoom) 27.46" (70cm) 100" (254.0cm) 150" (381.0cm) 200" (508.0cm) 250" (635.0cm) 302.8" (769.0cm) 22.0" x 16.5" 80.0" x 60.0" 120.0" x 90.0" 160.0" x 120.0" 200.0" x 150.0" (55.8 x 41.8cm) (203.2 x 152.4cm) (304.8 x 228.6cm) (406.4 x 304.8cm) (508.0 x 381.0cm) 242.2" x 181.7" (615.3 x 461.5cm) *** 13.000' (3.962m) 19.500' (5.944m) 26.000' (7.925m) 32.500' (9.906m) 39.364' (11.998m) 3.936' (1.200m) 14.333' (4.369m) 21.500' (6.553m) 28.667' (8.738m) 35.833' (10.922m) *** This graph is for user's reference only. 19 English English

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English
19
English
Installation
40"
(101.6cm)
100"
(254.0cm)
150"
(381.0cm)
200"
(508.0cm)
250"
(635.0cm)
307"
(779.8cm)
Lens Center
H
A
Lens Center
H : A = 6.78
B ÷ H x 100% = 115%(Offset)
B
3.936'(1.200m)
***
35.833'(10.922m)
28.667'(8.738m)
21.500'(6.553m)
14.333'(4.369m)
Min. zoom
Max. zoom
***
39.364'(11.998m)
32.500'(9.906m)
26.000'(7.925m)
19.500'(5.944m)
13.000'(3.962m)
~
~
~
~
~
~
Diagonal
Focus Ring
Adjusting the Projector Zoom and Focus
You may turn the zoom ring to zoom in or out. To focus the im-
age, rotate the focus ring until the image is clear. The projector
will focus at distances from 3.94 to 39.36 feet (1.2 to 12.0 meters)
with mechanical travel.
Adjusting Projection Image Size
This graph is for user’s reference only.
Screen (Diagonal)
27.46” (70cm)
100” (254.0cm)
150” (381.0cm)
200” (508.0cm)
250” (635.0cm)
302.8” (769.0cm)
Screen Size (WxH)
22.0” x 16.5”
(55.8 x 41.8cm)
80.0” x 60.0”
(203.2 x 152.4cm)
120.0” x 90.0”
(304.8 x 228.6cm)
160.0” x 120.0”
(406.4 x 304.8cm)
200.0” x 150.0”
(508.0 x 381.0cm)
242.2” x 181.7”
(615.3 x 461.5cm)
Distance (Max. Zoom)
***
13.000’ (3.962m)
19.500’ (5.944m)
26.000’ (7.925m)
32.500’ (9.906m)
39.364’ (11.998m)
Distance (Min. Zoom)
3.936’ (1.200m)
14.333’ (4.369m)
21.500’ (6.553m)
28.667’ (8.738m)
35.833’ (10.922m)
***
Zoom Ring