BOXLIGHT CINEMA 20HD Projector User Manual


 
9
PREPARATION
POSITIONING PROJECTOR
This projector is designed to project on a flat
projection surface.
Projector can be focused from 5.0 (1.5m) ~ 51.3
(15.6m).
Refer to figure below to adjust screen size.
Screen
Size
Distance
40
31
5.0 (1.5m)
40
5.0(1.5m)
12.7(3.9m)
25.6(7.8m)
38.4(11.7m)
Max. Zoom
Min. Zoom
51.3(15.6m)
100
200
300
400
308
231
154
77
31
ROOM LIGHT
Brightness in room has a great influence on
picture quality. It is recommended to limit
ambient lighting in order to provide best
image.
Min. Zoom
Max. Zoom
100
77
12.7 (3.9m)
150
115
19.1 (5.8m)
200
154
25.6 (7.8m)
250
192
32.0 (9.8m)
300
231
38.4 (11.7m)
400
308
51.3 (15.6m)
LENS SHIFT ADJUSTMENT
Projection lens can be moved up and down with motor-driven lens shift function. This function makes it easy to
provide projected image where you want. Refer to P 20 for operation.
H3
H4
H1
H2
Highest Lens Shift Lo
west Lens Shift
H1 : H2 = 6 : 1
H3 : H4 = 1 : 1
NOTE
Screen size and lens shift ratio on the above charts are standard values and they may change by positioning
conditions.