Adjusting The Screen Size And Projection Distance - ViewSonic pj650 User Manual
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Also See for pj650:
- Service manual (62 pages) ,
- User manual (46 pages) ,
- Specification sheet (2 pages)
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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.
a
Screen Size
Inches (m)
Inches (m)
Minimum Maximum
30 (0.8)
35 (0.9)
40 (1.0)
47 (1.2)
50 (1.3)
59 (1.5)
60 (1.5)
71 (1.8)
70 (1.8)
83 (2.1)
80 (2.0)
95 (2.4)
90 (2.3)
107 (2.7)
100 (2.5)
119 (3.0)
120 (3.0)
143 (3.6)
150 (3.8)
180 (4.6)
200 (5.0)
240 (6.1)
250 (6.3)
300 (7.6)
300 (7.5)
360 (9.2)
If 16:9 aspect ratio.
Screen Size
a
Inches (m)
Inches (m)
Minimum Maximum
30 (0.8)
38 (1.0)
40 (1.0)
51 (1.3)
50 (1.3)
64 (1.6)
60 (1.5)
77 (2.0)
70 (1.8)
90 (2.3)
80 (2.0)
104 (2.6)
90 (2.3)
117 (3.0)
100 (2.5)
130 (3.3)
120 (3.0)
156 (4.0)
150 (3.8)
196 (5.0)
200 (5.0)
261 (6.6)
250 (6.3)
327 (8.3)
T H E T R U S T E D S O U R C E F O R P R O J E C T O R L A M P S A N D A C C E S S O R I E S
300 (7.5)
393 (10.0)
b
Inches
(cm)
42 (1.1)
1 (2)
56 (1.4)
1 (3)
71 (1.8)
1 (4)
85 (2.2)
2 (4)
100 (2.5)
2 (5)
114 (2.9)
2 (6)
129 (3.3)
3(7)
143 (3.6)
3(7)
172 (4.4)
3(9)
216 (5.5)
4 (11)
288 (7.3)
6 (15)
361 (9.2)
7 (18)
433 (11.0)
9 (22)
b
Inches
(cm)
46 (1.2)
2 (4)
61 (1.6)
2 (5)
77 (2.0)
3 (6)
93 (2.4)
3 (8)
109 (2.8)
4 (9)
125 (3.2)
4 (10)
140 (3.6)
5 (12)
156 (4.0)
5 (13)
188 (4.8)
6 (15)
235 (6.0)
8 (19)
314 (8.0)
10 (26)
393 (10.0)
13 (32)
472 (12.0)
15 (39)
The screen
c
Inches
(cm)
17 (55)
23 (58)
29 (73)
34 (87)
40 (102)
46 (116)
51 (131)
57 (145)
69 (174)
86 (218)
Lens center
114 (290)
143 (363)
171 (435)
The screen
c
Inches
(cm)
16 (41)
22 (55)
27 (69)
32 (82)
38 (96)
43 (110)
49 (124)
54 (137)
65 (165)
81 (206)
Lens center
108 (275)
135 (343)
162 (412)
Top view
Side view
Top view
Side view
ViewSonic PJ650/PJ520
7
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