Nec MT 820 User Manual download pdf (Page 18)

If your projector is mounted on the ceiling and your image is upside down, use the

“Menu” and “Select” buttons on your projector cabinet or (▲) (▼) buttons on your

remote control to correct the orientation. (See page 60.)

Reflecting The Image

Using a mirror to reflect your LCD projector's image enables you to enjoy a much

larger image. Contact your NEC dealer if you need a mirror.

If you're using a mirror and your image is inverted, use the “Menu” and “Select”

buttons on your projector cabinet or (▲) (▼) buttons on your remote control to correct

the orientation. (See page 60.)

Rear Screen Projection

You can use your MultiSync MT1020/MT820 LCD projector to project an image from

the rear onto a transparent screen. The distance the projector must be from the screen is

the same as if you were projecting the image from the front. Contact your NEC dealer

if you need a transparent screen.

If you're projecting the image from the rear and your image is inverted, use the “Menu"

and "Select" buttons on your projector cabinet or (▲) (▼) buttons on your remote

control to correct the image. (See page 60 .)

Mirror

Screen

INSTALLATION 34

WARNING

•

Only use your LCD projector on a solid, level surface. If the projector falls to the ground, you can be injured and the projector severely damaged.

• Do not use the LCD projector where temperatures vary greatly. The projector must be used at temperatures between 32˚F (0˚C) and 104˚F (40˚C).

• Do not expose the LCD projector to moisture, dust, or smoke. This will harm the screen image.

• Ensure that you have ad-

equate ventilation around

your LCD projector so heat

can dissipate. Do not cover

the vents on the bottom or

the side of the projector.

Ceiling Installation

Installing your MultiSync

MT1020/MT820 LCD Projec-

tor on the ceiling must be done

by a qualified technician. Con-

tact your NEC dealer for more

information.

Do not attempt to install the

projector yourself.

3.28 ft

(1 m)

7.87 ft

(2.4 m)

13.12 ft

(4 m)

19.69 ft

(6 m)

26.25 ft

(8 m)

6.5°

8.5°

40.03 ft

(12.2 m)

39.37 36.09 32.81 29.53 26.25 22.97 19.69 16.40 13.12 9.84 6.56 3.28 0 (ft)

(12) (11) (10) (9) (8) (7) (6) (5) (4) (3) (2) (1) 0 (m)

235”-300” 165”-222” 115”-150” 77”-100” 47”-60” 20”-27”

Screen center line

(Telephoto)

Screen center line

(Wide)

Optical axis center line

13.39 ft

(4081.9 mm)

1.43 ft

(435.2 mm)

1.64 ft

(0.5 mm)

13.12 ft

(4 mm)

Distance from optical axis center

Screen size = diagonal(inch)

NOTE : Distances may vary

5%.

Distance from lens surface

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 43 44

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Nec MT 820 User Manual Page 18

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