Adjusting The Projector Zoom And Focus; Adjusting Projection Image Size - LG BS275 Manual

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

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