Справочник Пользователя для Panasonic PT-L780NTU
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Ad
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a
nced
Operation
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Setting-up dimensions which are not given in the table can be calculated
using the formulas below.
If the screen size (diagonal) is SD (m), then the following formula is used to
calculate the projection distance for the wide lens position (LW) and the
projection distance for the telephoto lens position (LT).
using the formulas below.
If the screen size (diagonal) is SD (m), then the following formula is used to
calculate the projection distance for the wide lens position (LW) and the
projection distance for the telephoto lens position (LT).
Model No. of projection lens Aspect ratio Methods of calculation of Projection distance (L) Unit: mm
Zoom
lens
ET-LE10
(1.3-1.7:1)
4:3
LW=0.027xSD/0.0254-0.0523
LT=0.0355xSD/0.0254-0.0509
LT=0.0355xSD/0.0254-0.0509
16:9
LW
＝0.0294xSD/0.254-0.0523
LT
＝0.0387xSD/0.0254-0.0509
ET-LE20
(2.6-4.2:1)
4:3
LW=0.0554xSD/0.0254-0.134
LT=0.0871xSD/0.0254-0.136
LT=0.0871xSD/0.0254-0.136
16:9
LW
＝0.0604xSD/0.0254−0.134
LT
＝0.0949xSD/0.0254−0.136
ET-LE30
(4.0-5.6:1)
4:3
LW=0.0809xSD/0.0254+0.104
LT=0.1147xSD/0.0254+0.096
LT=0.1147xSD/0.0254+0.096
16:9
LW
＝0.0881xSD/0.0254＋0.104
LT
＝0.1250xSD/0.0254＋0.096
Putting the power cord and
remote control unit away