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NEC NP04CM - page 1
Portable Projector NP04CM Ceiling Mount Unit Installation and Adjustment Manual Thank you for your purchase of the NEC Projector ceiling mount unit. Please read this installation and adjustment manual carefully to ensure proper use. Special skills are required for the installation of the Projector. This work should never be performed by the custome ...
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NEC NP04CM - page 2
2 Heed the Follo wing • When installing the projector, be sure to do so as explained in this manual. The projector may fall and cause injury if it is installed improperly. • To prevent the projector from falling, install it in a place and fasten it in a way with sufficient strength to support the combined weight (4.9 kg) of the projector (2.9 k ...
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NEC NP04CM - page 3
Heed the Following 3 CA UTION • Do not obstruct the projector's ventilation holes. Doing so will prevent the dissipation of heat and may result in fires. In particular, do not use the projector in the following ways: Do not install the projector in a wall or in a tight place where ventilation is poor, place a cover it, etc. • Do not instal ...
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NEC NP04CM - page 4
4 Preparation List of P acka ged Parts • Fixed ceiling part.....1 • Projector mounting adapter.....1 • Projector mounting screws (M4).....3 • Up-down angle adjustment screws (M5).....4 • Installation and adjustment manuat.....1 Required T ools Phillips screwdriver Names of the P ar ts Left-right angle adjustment screws Inclination adjustm ...
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NEC NP04CM - page 5
5 Zoom adjustment range 25 0123456789 1 0 1 1 ( m ) 40 60 80 100 120 150 180 200 240 300 Wide angle (Maximum) Telephoto (Maximum) Guide to Screen Size and Projector Mounting Position Screen Size and Projection Distance···VT676/VT670/VT570/VT470 Use this guide when considering the distance to the screen and the screen size. • The ceiling mount ...
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NEC NP04CM - page 6
6 Guide to Screen Size and Projector Mounting Position 25 01234567 8(m) 40 60 80 100 120 150 180 200 240 300 Screen Size and Projection Distance···VT47 Use this guide when considering the distance to the screen and the screen size. • The ceiling mount unit can be adjusted up and down a maximum of +/-10˚, but if too much of an angle is taken t ...
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NEC NP04CM - page 7
Guide to Screen Size and Projector Mounting Position 7 21 0123456789 1 0 11(m) 40 30 60 80 100 120 150 180 200 240 300 Zoom adjustment range Wide angle (Maximum) Telephoto (Maximum) Screen Size and Projection Distance···L T380 Use this guide when considering the distance to the screen and the screen size. • The ceiling mount unit can be adjust ...
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NEC NP04CM - page 8
Guide to Screen Size and Projector Mounting Position 8 21 0123456789 1 0 11(m) 40 30 60 80 100 120 150 180 200 240 300 Zoom adjustment range Wide angle (Maximum) Telephoto (Maximum) Screen Size and Projection Distance···L T280 Use this guide when considering the distance to the screen and the screen size. • The ceiling mount unit can be adjust ...
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NEC NP04CM - page 9
Guide to Screen Size and Projector Mounting Position 9 (m) 25 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0m 40 60 80 100 120 150 180 200 240 270 300 (Inches) Screen Size Con version T able Using the Table The dimensions of a 100 inch screen size according to the table will be approximately 2 m horizontally ...
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NEC NP04CM - page 10
10 1 Mounting the Pr ojector Attach the Fixed Ceiling P ar t to the Ceiling First, partially tighten the four screws, then tighten the screws firmly after positioning. Use M8 bolts for the fixed ceiling part. Use of types other than M8 could cause the projector to fall. W ARNING! Fixed ceiling part 2 Attach the Pr ojector Mounting Adapter to the Pr ...
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NEC NP04CM - page 11
11 3 4 Mounting the Projector Suspend the Projector fr om the Fixed Ceiling P ar t Slide the slotted part of the projector mounting adapter over the pin of the fixed ceiling part and push all the way to the back. The projector is temporarily suspended in this condition and attention must be paid so that the unit does not fall since it is not fixed ...
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NEC NP04CM - page 12
Mounting the Projector 12 NOTE : Mounting boards, M8-type anchor nuts, bolts, nuts and washers are commercially available. Mounting board (Strong enough to support the weight of the whole unit.) Nut and washer Beam Nut and washer Bolt (M8) Anchor nut (Purchase commercially-available M8-type anchor nuts that are strong enough to endure the weight of ...
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NEC NP04CM - page 13
13 1 2 3 Replacing the Lamp To replace the lamp, first switch off the power and wait 60 seconds, then, after the cooling fan has stopped, switch off the main power switch and disconnect the power plug from the outlet. Now, wait about 60 minutes before replacing the lamp. Attempts to replace the lamp during operation or immediately after operation h ...
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NEC NP04CM - page 14
14 Adjustment of the Pr ojection Angle 1 10˚ 10˚ 上下端 Upper and lower edges Before the Adjustment • Refer to the instruction manual of the projector, switch on the power and project an image. • Refer to the section "Orientation " of Setup and select the projection orientation. Select "Ceiling/Front" when projection is ...
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NEC NP04CM - page 15
10˚ 10˚ 15 Left and right edges 10˚ 10˚ 2 3 Adjustment of the Projection Angle Adjust the Up-Down Angle Turn the projector up and down so that the left and right edges of the screen are parallel, then firmly tighten the four up-down angle adjustment screws. It is acceptable if the image extends beyond the screen. Maximum adjustment angle +/-10? ...
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NEC NP04CM - page 16
16 Adjustment of the Projection Angle Fine Adjustment After the adjustments, chec k that the par ts are fixed securel y . Loosen the same screws that were used in the distortion adjustment and finely adjust the angle so that the projected image fits the screen, then tighten all the screws (i.e., a total of 14 including the inclination axis screws). ...
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