Table of Contents
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Setup
Adjusting the Projection Distance
• Refer to pages 33 and 34 about the function of Keystone correction and placement of projector using the
correction.
• Decide the placement of the projector referring to the figures on the table and the diagram below
according to the size of your screen and input signal.
Center of the screen
(e)
(d)
(c)
(f)
±10°
(b)
(a)
When using a wide
screen (16:9)
In case of displaying
the 16:9 picture on the
whole of the 16:9
screen.
16
9
: Picture area
(a) = (0.031954888
(b) =(0.026528341
When using a normal
screen (4:3)
In case of setting the
16:9 picture to the full
horizontal width of the
4:3 screen.
4
3
(a) = (0.029330688
(b) =(0.02434978
: Screen area
: Picture area
-26
DT-300_E_p13_28.p65
(a) Maximum projection distance
(b) Minimum projection distance
Placement range
(c) Horizontal placement range when projection distance is maximum.
(d) Horizontal placement range when projection distance is minimum.
(e) Vertical placement range when projection distance is maximum.
( f ) Vertical placement range when projection distance is minimum.
• The aspect ratio of the projected image shifts slightly when
the lens shift is at a position other than the top position.
• The aspect ratio of the projected image also shifts slightly
when the "H Keystone" and "V Keystone" functions are
adjusted simultaneously.
• When adjusting "H Keystone" and "V Keystone" at the same
time, the values of adjustable angles for each setting
become smaller.
• Keystone correction cannot be applied to On-screen
Display.
• When Keystone correction is applied, the resolution of image
can be deteriorated to some extent.
• There are errors of ±3% in the formulas below.
Screen size
(16:9)(x)
Maximum projection distance
Horizontal Placement range (c)
Projection
Diag.
Composite, S-video
distance (a)
720P
I
I
480
/P, 1080
20' 10'' (6.4m)
4'
3'' (1.3m)
4'
11'' (1.5m)
200"
150"
15' 7'' (4.8m)
2'
11'' (0.9m)
3'
7'' (1.1m)
133"
13' 10'' (4.2m)
2'
7'' (0.8m)
2'
11'' (0.9m)
106"
11'
3''
(3.4m)
1'
12'' (0.6m)
2'
4'' (0.7m)
100"
10' 4'' (3.2m)
1'
12'' (0.6m)
2'
4'' (0.7m)
92"
9'
6'' (2.9m)
1'
8'' (0.5m)
1'
12'' (0.6m)
84"
8'
8'' (2.7m)
1'
8'' (0.5m)
1'
12'' (0.6m)
72"
7'
5'' (2.3m)
1'
4'' (0.4m)
1'
8'' (0.5m)
60"
6'
2'' (1.9m)
12'' (0.3m)
1'
4'' (0.4m)
40"
4'
1'' (1.2m)
8'' (0.2m)
8'' (0.2m)
x
x
- 0.034060187)
: Screen size (diag.)
x
- 0.034646716)
Screen size
(4:3)(x)
Maximum projection distance
Horizontal Placement range (c)
Projection
Diag.
Composite, S-video
distance (a)
720P
480
I
/P, 1080
I
200"
–
–
–
150"
14' 4'' (4.4m)
2'
7'' (0.8m)
3'
3'' (1.0m)
9'
6'' (2.9m)
1'
8'' (0.5m)
1'
12'' (0.6m)
100"
84"
7'
12'' (2.4m)
1'
4'' (0.4m)
1'
8'' (0.5m)
72"
6'
10'''(2.1m)
1'
4'''
(0.4m)
1'
4'''
(0.4m)
5'
8'' (1.7m)
12'' (0.3m)
1'
4'' (0.4m)
60"
40"
3'
9'' (1.1m)
8'' (0.2m)
8'' (0.2m)
x
x
- 0.038639669)
: Screen size (diag.)
x
- 0.034646716)
Page 26
Note
Projection distance and Keystone correction
Vertical
Projection
placement range
Composite, S-video
distance (b)
RGB
(e)
480
3'
7'' (1.1m)
3'
7'' (1.1m)
17' 4'' (5.3m)
2'
2'
7'' (0.8m)
2'
7'' (0.8m)
12' 11'' (3.9m)
1'
2'
4'' (0.7m)
2'
4'' (0.7m)
11' 6'' (3.5m)
1'
1'
12'' (0.6m)
1'
8'' (0.5m)
9'
1'' (2.8m)
1'
1'
8'' (0.5m)
1'
8'' (0.5m)
8'
7'' (2.6m)
1'
1'
8'' (0.5m)
1'
8'' (0.5m)
7'
11'' (2.4m)
1'
1'
4'' (0.4m)
1'
4'' (0.4m)
7'
2'' (2.2m)
1'
4'' (0.4m)
1'
4'' (0.4m)
6'
2'' (1.9m)
12'' (0.3m)
12'' (0.3m)
5'
1'' (1.6m)
8'' (0.2m)
8'' (0.2m)
3'
4'' (1.0m)
Projection distance and Keystone correction
Vertical
Projection
placement range
Composite, S-video
distance (b)
RGB
(e)
480
–
–
15' 10'' (4.8m)
2'
2'
4'' (0.7m)
2'
4'' (0.7m)
11' 10'' (3.6m)
1'
1'
8'' (0.5m)
1'
8'' (0.5m)
7'
11'' (2.4m)
1'
1'
4'' (0.4m)
1'
4'' (0.4m)
6'
7'' (2.0m)
12'' (0.3m)
12'' (0.3m)
5'
8'' (1.7m)
12'' (0.3m)
12'' (0.3m)
4'
8'' (1.4m)
8'' (0.2m)
8'' (0.2m)
3'
1'' (0.9m)
03.10.29, 2:40 PM
Minimum projection distance
Horizontal Placement range (d)
Vertical
placement range
720P
RGB
(f)
I
I
/P, 1080
11'' (0.9m)
3'
3'' (1.0m)
2'
4'' (0.7m)
2'
11'' (0.9m)
12'' (0.6m)
2'
4'' (0.7m)
1'
8'' (0.5m)
1'
12'' (0.6m)
12'' (0.6m)
1'
12'' (0.6m)
1'
4'' (0.4m)
1'
12'' (0.6m)
4'' (0.4m)
1'
8'' (0.5m)
12'' (0.3m)
1'
4'' (0.4m)
4'' (0.4m)
1'
8'' (0.5m)
12'' (0.3m)
1'
4'' (0.4m)
4'' (0.4m)
1'
4'' (0.4m)
12'' (0.3m)
1'
4'' (0.4m)
12'' (0.3m)
1'
4'' (0.4m)
12'' (0.3m)
12'' (0.3m)
12'' (0.3m)
12'' (0.3m)
8'' (0.2m)
12'' (0.3m)
8'' (0.2m)
12'' (0.3m)
8'' (0.2m)
8'' (0.2m)
4'' (0.1m)
4'' (0.1m)
4'' (0.1m)
4'' (0.1m)
Minimum projection distance
Horizontal Placement range (d)
Vertical
placement range
720P
RGB
(f)
I
/P, 1080
I
7'' (0.8m)
2'
11'' (0.9m)
1'
12'' (0.6m)
2'
7'' (0.8m)
12'' (0.6m)
2'
4'' (0.7m)
1'
8'' (0.5m)
1'
12'' (0.6m)
4'' (0.4m)
1'
4'' (0.4m)
12'' (0.3m)
1'
4'' (0.4m)
12'' (0.3m)
1'
4'' (0.4m)
8'' (0.2m)
12'' (0.3m)
12'' (0.3m)
12'' (0.3m)
8'' (0.2m)
12'' (0.3m)
8'' (0.2m)
8'' (0.2m)
4'' (0.1m)
8'' (0.2m)
4'' (0.1m)
4'' (0.1m)
4'' (0.1m)
4'' (0.1m)
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