NEC NC2041L, Руководство по установке

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Setting Up Your Projector
2-2-2. Tilt-Free Installation
It is possible to vertically set up this device at 360 degrees.
However, it is impossible to set up the main part of the device slanted to the left or right.
Precautions regarding Tilt-Free Installation
- Refrain from installing the main unit with a tilt in either direction directly on the floor or a base. The unit may collapse and
lead to failure, damage, injury, or exposure of the harmful laser projection.
In addition, the air intake may become blocked which will raise the internal temperature and cause damage or lead to a
fire.
- Be sure to prepare metal fittings (such as ceiling hanging brackets) to support the main unit. Ask whoever is installing the
projector to prepare these metal fittings. (Charged Service)
- When installing the unit with a tilt, be sure to use and install metal fittings sturdy enough to maintain the angle of installation
over a long period of time.
2-2-3. Terms for Preparation of Frames and Ceiling Hanging Brackets
Ask whoever is installing the projector to prepare a specifically designed frame and ceiling hanging brackets (Charged
Service).
Take note of the following upon its design.
- There are intake openings and exhaust openings on the side of the main unit, exhaust openings on the rear, intake open-
ings on the front, intake openings on the top side. Make sure that the design does not obstruct these openings. Also make
sure to secure enough space to allow easy removal of the filter cover for cleaning the filter.
- Remove the adjusters on the main unit if they will interfere with the frame. The adjusters can be removed by turning them.
- Attach the frame and ceiling hanging brackets to the screw holes (in four positions) provided on the bottom surface of the
main unit for ceiling hanging installation.
Refer to the specification sheet for dimensions between the centers of the screw holes. Note that the screw holes on the
main unit have the dimensions of an M8 thread and a maximum depth of 20 mm (the lengths of the bolts are to be calcu-
lated according to the design).
- Horizontal adjustment mechanism (for example, bolts and nuts in four positions)
- Design the frame so that it will not easily collapse.
- Construction to prevent the unit from falling shall be implemented to sufficiently support the total weight of 177 kg (169 kg
for the pro 8 kg for the lens) over a long period of time.
NOTE
Make sure there are at least six people taking part when lifting this unit.
Attempting to lift this unit alone may lead to injury or cause pain in the lower back.