Sharp XR-30XDM Operation Manual - Page 24

Screen Size and Projection Distance

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Setting up the Projector (Continued) Screen Size and Projection Distance NORMAL Mode (4:3) Picture (Screen) size Diag. [χ] Width Height Projection distance [L] Minimum [L1] Maximum [L2] 300Љ (762 cm) 610 cm (240Љ) 457 cm (180Љ) 11.2 m (36Ј 10Љ) - 270Љ (686 cm) 549 cm (216Љ) 411 cm (162Љ) 10.1 m (33Ј 2Љ) 11.7 m (38Ј 4Љ) 250Љ (635 cm) 508 cm (200Љ) 381 cm (150Љ) 9.4 m (30Ј 9Љ) 10.8 m (35Ј 5Љ) 200Љ (508 cm) 406 cm (160Љ) 305 cm (120Љ) 7.5 m (24Ј 7Љ) 8.6 m (28Ј 4Љ) 150Љ (381 cm) 305 cm (120Љ) 229 cm (90Љ) 5.6 m (18Ј 5Љ) 6.5 m (21Ј 3Љ) 100Љ (254 cm) 203 cm (80Љ) 152 cm (60Љ) 3.7 m (12Ј 3Љ) 4.3 m (14Ј 2Љ) 84Љ (213 cm) 171 cm (67Љ) 128 cm (50Љ) 3.1 m (10Ј 4Љ) 3.6 m (11Ј 11Љ) 72Љ (183 cm) 146 cm (58Љ) 110 cm (43Љ) 2.7 m (8Ј 10Љ) 3.1 m (10Ј 3Љ) 60Љ (152 cm) 122 cm (48Љ) 91 cm (36Љ) 2.2 m (7Ј 4Љ) 2.6 m (8Ј 6Љ) 40Љ (102 cm) 81 cm (32Љ) 61 cm (24Љ) 1.5 m (4Ј 11Љ) 1.7 m (5Ј 8Љ) Distance from the lens center to the bottom of the image [H] 19 cm (7 9/16Љ) 17 cm (6 51/64Љ) 16 cm (6 19/64Љ) 13 cm (5 3/64Љ) 10 cm (3 25/32Љ) 6 cm (2 33/64Љ) 5 cm (2 7/64Љ) 5 cm (1 13/16Љ) 4 cm (1 33/64Љ) 3 cm (1 1/64Љ) χ: Picture size (diag.) (in/cm) L: Projection distance (m/ft) L1: Minimum projection distance (m/ft) L2: Maximum projection distance (m/ft) H: Distance from the lens center to the bottom of the image (cm/in) The formula for picture size and projection distance [m/cm] [Feet/inches] L1 (m) = 0.03745χ L1 (ft) = 0.03745χ / 0.3048 L2 (m) = 0.04323χ L2 (ft) = 0.04323χ / 0.3048 H (cm) = 0.064χ H (in) = 0.064χ / 2.54 STRETCH Mode (16:9) Picture (Screen) size Diag. [χ] Width Height Projection distance [L] Distance from the lens center to Adjustable range of Minimum [L1] Maximum [L2] the bottom of the image [H] image position [S] 250Љ (635 cm) 553 cm (218Љ) 225Љ (572 cm) 498 cm (196Љ) 200Љ (508 cm) 443 cm (174Љ) 150Љ (381 cm) 332 cm (131Љ) 133Љ (338 cm) 294 cm (116Љ) 106Љ (269 cm) 235 cm (92Љ) 100Љ (254 cm) 221 cm (87Љ) 92Љ (234 cm) 204 cm (80Љ) 84Љ (213 cm) 186 cm (73Љ) 72Љ (183 cm) 159 cm (63Љ) 60Љ (152 cm) 133 cm (52Љ) 40Љ (102 cm) 89 cm (35Љ) 311 cm (123Љ) 10.2 m (33Ј 6Љ) 11.8 m (38Ј 8Љ) 280 cm (110Љ) 9.2 m (30Ј 1Љ) 10.6 m (34Ј 9Љ) 249 cm (98Љ) 8.2 m (26Ј 9Љ) 9.4 m (30Ј 11Љ) 187 cm (74Љ) 6.1 m (20Ј 1Љ) 7.1 m (23Ј 2Љ) 166 cm (65Љ) 5.4 m (17Ј 10Љ) 6.3 m (20Ј 7Љ) 132 cm (52Љ) 4.3 m (14Ј 2Љ) 5.0 m (16Ј 5Љ) 125 cm (49Љ) 4.1 m (13Ј 5Љ) 4.7 m (15Ј 5Љ) 115 cm (45Љ) 3.8 m (12Ј 4Љ) 4.3 m (14Ј 3Љ) 105 cm (41Љ) 3.4 m (11Ј 3Љ) 4.0 m (13Ј) 90 cm (35Љ) 2.9 m (9Ј 8Љ) 3.4 m (11Ј 2Љ) 75 cm (29Љ) 2.4 m (8Ј) 2.8 m (9Ј 3Љ) 50 cm (20Љ) 1.6 m (5Ј 4Љ) 1.9 m (6Ј 2Љ) 69 cm (27 19/64Љ) 62 cm (24 9/16Љ) 55 cm (21 53/64Љ) 42 cm (16 3/8Љ) 37 cm (14 33/64Љ) 29 cm (11 37/64Љ) 28 cm (10 59/64Љ) 26 cm (10 3/64Љ) 23 cm (9 11/64Љ) 20 cm (7 55/64Љ) 17 cm (6 35/64Љ) 11 cm (4 23/64Љ) ‫ע‬52 cm (‫ע‬20 27/64Љ) ‫ע‬47 cm (‫ע‬18 25/64Љ) ‫ע‬42 cm (‫ע‬16 11/32Љ) ‫ע‬31 cm (‫ע‬12 1/4Љ) ‫ע‬28 cm (‫ע‬10 7/8Љ) ‫ע‬22 cm (‫ע‬8 21/32Љ) ‫ע‬21 cm (‫ע‬8 11/64Љ) ‫ע‬19 cm (‫ע‬7 33/64Љ) ‫ע‬17 cm (‫ע‬6 55/64Љ) ‫ע‬15 cm (‫ע‬5 57/64Љ) ‫ע‬12 cm (‫ע‬4 29/32 8 cm (‫ע‬3 17/64Љ) χ: Picture size (diag.) (in/cm) L: Projection distance (m/ft) L1: Minimum projection distance (m/ft) L2: Maximum projection distance (m/ft) H: Distance from the lens center to the bottom of the image (cm/in) S: Adjustable range of image position (cm/in) See page 41. The formula for picture size and projection distance [m/cm] [Feet/inches] L1 (m) = 0.0408χ L1 (ft) = 0.0408χ / 0.3048 L2 (m) = 0.0471χ L2 (ft) = 0.0471χ / 0.3048 H (cm) = 0.27727χ H (in) = 0.27727χ / 2.54 S (cm) = ±0.20754χ S (in) = ±0.20754χ / 2.54 Note • Refer to page 18 concerning "Projection distance [L]" and "Distance from the lens center to the bottom of the image [H]". • Allow a margin of error in the values in the diagrams above. 20

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20
Setting up the Projector (Continued)
300
±
(762 cm)
270
±
(686 cm)
250
±
(635 cm)
200
±
(508 cm)
150
±
(381 cm)
100
±
(254 cm)
84
±
(213 cm)
72
±
(183 cm)
60
±
(152 cm)
40
±
(102 cm)
610 cm
(240
±
)
549 cm
(216
±
)
508 cm
(200
±
)
406 cm
(160
±
)
305 cm
(120
±
)
203 cm
(80
±
)
171 cm
(67
±
)
146 cm
(58
±
)
122 cm
(48
±
)
81 cm
(32
±
)
19 cm
17 cm
16 cm
13 cm
10 cm
6 cm
5 cm
5 cm
4 cm
3 cm
(7
9
/
16
±
)
(6
51
/
64
±
)
(6
19
/
64
±
)
(5
3
/
64
±
)
(3
25
/
32
±
)
(2
33
/
64
±
)
(2
7
/
64
±
)
(1
13
/
16
±
)
(1
33
/
64
±
)
(1
1
/
64
±
)
457 cm
(180
±
)
411 cm
(162
±
)
381 cm
(150
±
)
305 cm
(120
±
)
229 cm
(90
±
)
152 cm
(60
±
)
128 cm
(50
±
)
110 cm
(43
±
)
91 cm
(36
±
)
61 cm
(24
±
)
11.2 m (36
²
10
±
)
10.1 m (33
²
2
±
)
9.4 m (30
²
9
±
)
7.5 m (24
²
7
±
)
5.6 m (18
²
5
±
)
3.7 m (12
²
3
±
)
3.1 m (10
²
4
±
)
2.7 m (8
²
10
±
)
2.2 m (7
²
4
±
)
1.5 m (4
²
11
±
)
—
11.7 m (38
²
4
±
)
10.8 m (35
²
5
±
)
8.6 m (28
²
4
±
)
6.5 m (21
²
3
±
)
4.3 m (14
²
2
±
)
3.6 m (11
²
11
±
)
3.1 m (10
²
3
±
)
2.6 m (8
²
6
±
)
1.7 m (5
²
8
±
)
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.0408
χ
L2 (m) = 0.0471
χ
H (cm) = 0.27727
χ
S (cm) = ±0.20754
χ
Screen Size and Projection Distance
• Refer to page
18
concerning “Projection distance [L]” and “Distance from the lens center to the
bottom of the image [H]”.
• Allow a margin of error in the values in the diagrams above.
NORMAL Mode (4:3)
Picture (Screen) size
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.03745
χ
L2 (m) = 0.04323
χ
H (cm) = 0.064
χ
χ
: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
χ
: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
S: Adjustable range of image position (cm/in)
See page
41
.
Projection distance [L]
Diag. [
χ
]
Width
Height
Minimum [L1]
Maximum [L2]
STRETCH Mode (16:9)
250
±
(635 cm)
225
±
(572 cm)
200
±
(508 cm)
150
±
(381 cm)
133
±
(338 cm)
106
±
(269 cm)
100
±
(254 cm)
92
±
(234 cm)
84
±
(213 cm)
72
±
(183 cm)
60
±
(152 cm)
40
±
(102 cm)
553 cm
(218
±
)
498 cm
(196
±
)
443 cm
(174
±
)
332 cm
(131
±
)
294 cm
(116
±
)
235 cm
(92
±
)
221 cm
(87
±
)
204 cm
(80
±
)
186 cm
(73
±
)
159 cm
(63
±
)
133 cm
(52
±
)
89 cm
(35
±
)
69 cm
62 cm
55 cm
42 cm
37 cm
29 cm
28 cm
26 cm
23 cm
20 cm
17 cm
11 cm
(27
19
/
64
±
)
(24
9
/
16
±
)
(21
53
/
64
±
)
(16
3
/
8
±
)
(14
33
/
64
±
)
(11
37
/
64
±
)
(10
59
/
64
±
)
(10
3
/
64
±
)
(9
11
/
64
±
)
(7
55
/
64
±
)
(6
35
/
64
±
)
(4
23
/
64
±
)
³
52 cm
³
47 cm
³
42 cm
³
31 cm
³
28 cm
³
22 cm
³
21 cm
³
19 cm
³
17 cm
³
15 cm
³
12 cm
³
8 cm
(
³
20
27
/
64
±
)
(
³
18
25
/
64
±
)
(
³
16
11
/
32
±
)
(
³
12
1
/
4
±
)
(
³
10
7
/
8
±
)
(
³
8
21
/
32
±
)
(
³
8
11
/
64
±
)
(
³
7
33
/
64
±
)
(
³
6
55
/
64
±
)
(
³
5
57
/
64
±
)
(
³
4
29
/
32
±
)
(
³
3
17
/
64
±
)
311 cm
(123
±
)
280 cm
(110
±
)
249 cm
(98
±
)
187 cm
(74
±
)
166 cm
(65
±
)
132 cm
(52
±
)
125 cm
(49
±
)
115 cm
(45
±
)
105 cm
(41
±
)
90 cm
(35
±
)
75 cm
(29
±
)
50 cm
(20
±
)
10.2 m (33
²
6
±
)
9.2 m (30
²
1
±
)
8.2 m (26
²
9
±
)
6.1 m (20
²
1
±
)
5.4 m (17
²
10
±
)
4.3 m (14
²
2
±
)
4.1 m (13
²
5
±
)
3.8 m (12
²
4
±
)
3.4 m (11
²
3
±
)
2.9 m (9
²
8
±
)
2.4 m (8
²
)
1.6 m (5
²
4
±
)
11.8 m (38
²
8
±
)
10.6 m (34
²
9
±
)
9.4 m (30
²
11
±
)
7.1 m (23
²
2
±
)
6.3 m (20
²
7
±
)
5.0 m (16
²
5
±
)
4.7 m (15
²
5
±
)
4.3 m (14
²
3
±
)
4.0 m (13
²
)
3.4 m (11
²
2
±
)
2.8 m (9
²
3
±
)
1.9 m (6
²
2
±
)
Note
Distance from the lens center
to the bottom of the image [H]
Picture (Screen) size
Projection distance [L]
Diag. [
χ
]
Width
Height
Minimum [L1]
Maximum [L2]
Distance from the lens center to
the bottom of the image [H]
Adjustable range of
image position [S]
[Feet/inches]
L1 (ft) = 0.03745
χ
/ 0.3048
L2 (ft) = 0.04323
χ
/ 0.3048
H (in) = 0.064
χ
/ 2.54
[Feet/inches]
L1 (ft) = 0.0408
χ
/ 0.3048
L2 (ft) = 0.0471
χ
/ 0.3048
H (in) = 0.27727
χ
/ 2.54
S (in) = ±0.20754
χ
/ 2.54