ViewSonic PJ520 User Manual - Page 10

Adjusting the Screen Size and Projection Distance - projector -

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Adjusting the Screen Size and Projection Distance Refer to the illustrations and tables below to determine the screen size and projection distance. The values shown in the table are calculated for a full size screen (PJ650: 1024x768, PJ520: 800x600). a: Distance from the projector to the screen (±10%). b: Distance from the lens center to the bottom of the screen (±10%). c: Distance from the lens center to the top of the screen (±10%). If 4:3 aspect ratio. The screen Top view Screen Size Inches (m) 30 (0.8) 40 (1.0) 50 (1.3) 60 (1.5) 70 (1.8) 80 (2.0) 90 (2.3) 100 (2.5) 120 (3.0) 150 (3.8) 200 (5.0) 250 (6.3) 300 (7.5) a Inches (m) Minimum Maximum 35 (0.9) 42 (1.1) 47 (1.2) 56 (1.4) 59 (1.5) 71 (1.8) 71 (1.8) 85 (2.2) 83 (2.1) 100 (2.5) 95 (2.4) 114 (2.9) 107 (2.7) 129 (3.3) 119 (3.0) 143 (3.6) 143 (3.6) 172 (4.4) 180 (4.6) 216 (5.5) 240 (6.1) 288 (7.3) 300 (7.6) 361 (9.2) 360 (9.2) 433 (11.0) b Inches (cm) 1 (2) 1 (3) 1 (4) 2 (4) 2 (5) 2 (6) 3(7) 3(7) 3(9) 4 (11) 6 (15) 7 (18) 9 (22) c Inches (cm) 17 (55) 23 (58) 29 (73) 34 (87) 40 (102) 46 (116) 51 (131) 57 (145) 69 (174) 86 (218) 114 (290) 143 (363) 171 (435) If 16:9 aspect ratio. Lens center Side view The screen Top view Screen Size Inches (m) 30 (0.8) 40 (1.0) 50 (1.3) 60 (1.5) 70 (1.8) 80 (2.0) 90 (2.3) 100 (2.5) 120 (3.0) 150 (3.8) 200 (5.0) 250 (6.3) 300 (7.5) a Inches (m) Minimum Maximum 38 (1.0) 46 (1.2) 51 (1.3) 61 (1.6) 64 (1.6) 77 (2.0) 77 (2.0) 93 (2.4) 90 (2.3) 109 (2.8) 104 (2.6) 125 (3.2) 117 (3.0) 140 (3.6) 130 (3.3) 156 (4.0) 156 (4.0) 188 (4.8) 196 (5.0) 235 (6.0) 261 (6.6) 314 (8.0) 327 (8.3) 393 (10.0) 393 (10.0) 472 (12.0) b Inches (cm) 2 (4) 2 (5) 3 (6) 3 (8) 4 (9) 4 (10) 5 (12) 5 (13) 6 (15) 8 (19) 10 (26) 13 (32) 15 (39) c Inches (cm) 16 (41) 22 (55) 27 (69) 32 (82) 38 (96) 43 (110) 49 (124) 54 (137) 65 (165) 81 (206) 108 (275) 135 (343) 162 (412) Lens center Side view ViewSonic PJ650/PJ520 7

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Adjusting the Screen Size and Projection Distance
Refer to the illustrations and tables below to determine the screen size and projection distance.
a:
Distance from the projector to the screen (±10%).
b:
Distance from the lens center to the bottom of the screen (±10%).
c:
Distance from the lens center to the top of the screen (±10%).
If 4:3 aspect ratio.
If 16:9 aspect ratio.
Screen Size
Inches (m)
a
Inches (m)
Minimum
Maximum
b
Inches
(cm)
c
Inches
(cm)
30 (0.8)
35 (0.9)
42 (1.1)
1 (2)
17 (55)
40 (1.0)
47 (1.2)
56 (1.4)
1 (3)
23 (58)
50 (1.3)
59 (1.5)
71 (1.8)
1 (4)
29 (73)
60 (1.5)
71 (1.8)
85 (2.2)
2 (4)
34 (87)
70 (1.8)
83 (2.1)
100 (2.5)
2 (5)
40 (102)
80 (2.0)
95 (2.4)
114 (2.9)
2 (6)
46 (116)
90 (2.3)
107 (2.7)
129 (3.3)
3(7)
51 (131)
100 (2.5)
119 (3.0)
143 (3.6)
3(7)
57 (145)
120 (3.0)
143 (3.6)
172 (4.4)
3(9)
69 (174)
150 (3.8)
180 (4.6)
216 (5.5)
4 (11)
86 (218)
200 (5.0)
240 (6.1)
288 (7.3)
6 (15)
114 (290)
250 (6.3)
300 (7.6)
361 (9.2)
7 (18)
143 (363)
300 (7.5)
360 (9.2)
433 (11.0)
9 (22)
171 (435)
Screen Size
Inches (m)
a
Inches (m)
Minimum
Maximum
b
Inches
(cm)
c
Inches
(cm)
30 (0.8)
38 (1.0)
46 (1.2)
2 (4)
16 (41)
40 (1.0)
51 (1.3)
61 (1.6)
2 (5)
22 (55)
50 (1.3)
64 (1.6)
77 (2.0)
3 (6)
27 (69)
60 (1.5)
77 (2.0)
93 (2.4)
3 (8)
32 (82)
70 (1.8)
90 (2.3)
109 (2.8)
4 (9)
38 (96)
80 (2.0)
104 (2.6)
125 (3.2)
4 (10)
43 (110)
90 (2.3)
117 (3.0)
140 (3.6)
5 (12)
49 (124)
100 (2.5)
130 (3.3)
156 (4.0)
5 (13)
54 (137)
120 (3.0)
156 (4.0)
188 (4.8)
6 (15)
65 (165)
150 (3.8)
196 (5.0)
235 (6.0)
8 (19)
81 (206)
200 (5.0)
261 (6.6)
314 (8.0)
10 (26)
108 (275)
250 (6.3)
327 (8.3)
393 (10.0)
13 (32)
135 (343)
300 (7.5)
393 (10.0)
472 (12.0)
15 (39)
162 (412)
The screen
Top view
Side view
Top view
Side view
Lens center
Lens center
The screen
The values shown in the table are calculated for a full size screen (PJ650: 1024x768, PJ520: 800x600).
ViewSonic
PJ650/PJ520
7