JVC DLA-M4000LU DLA-M4000LU User instruction manual (1.1MB) - Page 15

Relationship relative to Glass Surface, Precautions for Installation Cont.

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Installing the Projector (Cont.) Precautions for Installation (Cont.) s Observe the following points when installing the projector by hanging it from the ceiling • To prevent falling or overturning, it is recommended that the projector be fixed to its stand with bolts. • When mounting the projector to the ceiling, first install a special shelf and then set the projector on it securely. For safety and maintenance purposes, a suitable facility is necessary to easily lift and lower the projector from the shelf for maintenance access. 305 mm (12") or more Relationship relative to Glass Surface s Light energy decreases as it passes a glass. So, no more than one glass should be used in the projecting room. s Avoid using panes of glass as much as possible. s Pay attention to the angle of the glass and the installed angle of the projector so that the light emitted from the projector does not come back into the lens after reflection. Glass (tilted as required) Projection light Installation angle Avoid the light reflected from the glass entering the surface of the projector lens. (Tilt the projecting room glass as required.) Reflected light 15

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15
Relationship relative to Glass Surface
Precautions for Installation (Cont.)
■
Observe the following points when installing the projector by hanging it from the ceiling
•
To prevent falling or overturning, it is recommended that the projector be fixed to its stand with bolts.
•
When mounting the projector to the ceiling, first install a special shelf and then set the projector on it securely. For safety
and maintenance purposes, a suitable facility is necessary to easily lift and lower the projector from the shelf for mainte-
nance access.
305 mm (12”)
or more
■
Light energy decreases as it passes a glass. So, no more than one glass should be used in the projecting room.
■
Avoid using panes of glass as much as possible.
■
Pay attention to the angle of the glass and the installed angle of the projector so that the light emitted from the
projector does not come back into the lens after reflection.
Glass (tilted as required)
Projection light
Reflected light
Installation angle
Avoid the light reflected from the glass
entering the surface of the projector lens.
(Tilt the projecting room glass as required.)
Installing the Projector (Cont.)