BenQ W1250 User Manual page 17

Installation for a 4:3 ratio screen
The illustrations and table below are provided for those users who already have 4:3 aspect ratio screens
or intend to purchase 4:3 aspect ratio screens to view 16:9 ratio projected images.
Floor Installation
<A>
<C>
<F>: Screen
The screen aspect ratio is 4:3 and the projected picture is 16:9
Screen dimensions
Diagonal
<A>
[inch (mm)]
40 (1016)
50 (1270)
60 (1524)
70 (1778)
80 (2032)
90 (2286)
100 (2540)
110 (2794)
120 (3048)
130 (3302)
140 (3556)
150 (3810)
160 (4064)
170 (4318)
180 (4572)
190 (4826)
200 (5080)
The above numbers are approximate and may be slightly different from the actual measurements. Only the
recommended screen sizes are listed. If your screen size is not in the table above, please contact your dealer
for assistance.
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<B>
<H>
<F>
<E>
<D>
<G>: Center of lens
Height Width
<B> <C>
[mm] [mm]
610 813
762 1016
914 1219
1067 1422
1219 1626
1372 1829
1524 2032
1676 2235
1829 2438
1981 2642
2134 2845
2286 3048
2438 3251
2591 3454
2743 3658
2896 3861
3048 4064
Ceiling Installation
<A>
<G>
<C>
<F>: Screen
Projection distance <D>
[mm]
Min
distance
(with Average
max
zoom)
929 1069
1162 1336
1394 1603
1627 1871
1859 2138
2091 2405
2324 2672
2556 2940
2788 3207
3021 3474
3253 3741
3486 4008
3718 4276
3950 4543
4183 4810
4415 5077
4647 5345
<D>
<H>
<E>
<F>
<B>
<G>: Center of lens
Lowest/
Highest
lens
Max
position
distance
<E>
(with min
[mm]
zoom)
1208 23
1510 29
1813 34
2115 40
2417 46
2719 51
3021 57
3323 63
3625 69
3927 74
4229 80
4531 86
4833 91
5135 97
5438 103
5740 109
6042 114
Important safety instructions
<G>
Image
height <H>
[mm]
457
572
686
800
914
1029
1143
1257
1372
1486
1600
1715
1829
1943
2057
2172
2286
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