BOXLIGHT CINEMA 20HD - Manual (Page 9)

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 Lowest 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.