NEC NP04CM Mode d’emploi

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 customer.

To the Dealer and the Installer

For the safety of the customer, we ask that the installation work be started

after careful attention is paid to the strength of the mounting location to be

sure it will withstand the weight of the Projector and mounting hardware.

Printed in Japan

NP04CM-0604K-02

CONTENTS

Heed the Following ....................................................................................2

Preparation ..................................................................................................4

List of Packaged Parts ......................................................................................4

Required Tools...................................................................................................4

Names of the Parts ............................................................................................4

Dimensions(VT676/VT670/VT570/VT470/VT47) ...............................................4

Dimensions(LT380/LT280) ................................................................................4

Guide to Screen Size and Projector Mounting Position..........................5

Screen Size and Projection Distance (VT676/VT670/VT570/VT470)..............5

Screen Size and Projection Distance (VT47)...................................................6

Screen Size and Projection Distance (LT380).................................................7

Screen Size and Projection Distance (LT280).................................................8

Screen Size Conversion Table .........................................................................9

Mounting the Projector.............................................................................10

Replacing the Lamp ..................................................................................13

Adjustment of the Projection Angle ........................................................14

Distortion Adjustment .....................................................................................14

Fine Adjustment...............................................................................................16

Specifications............................................................................................16

PRINTED WITH

SOY INK TM

Printed on recycled paper.

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Heed the Following

•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 kg)

and the ceiling mount unit (2.0 kg) for an

extended period of time as well as to

withstand earthquakes. Insufficient

strength or fastening may result in the

projector falling and causing injury.

•To ensure safety, be sure to tighten the

bolts and screws securely. Also be sure to

use the included units and other metal

fittings. Failure to do so may result in the

projector falling and causing injury.

•When sliding the opening of the mounting

adapter over the pin of the ceiling

attachment unit, check that the pin of the

ceiling attachment unit is fully seated in

the opening. If not, the projector may fall

and cause injury.

•Do not modify any parts. Doing so may

result in the projector falling and causing

injury.

WARNING

•Do not use broken parts. Doing so may

result in the projector falling and causing

injury. If a part should be broken, consult

your dealer.

•Do not look into the lens when the

projector is turned on. Doing so could

damage your eyesight.

•Make adjustments as described in this

manual.

Incorrect adjustments may result in the

projector falling and causing injury.

This symbol alerts the user that important information concerning the

operation and maintenance of this unit has been provided. The

information should be read carefully to avoid problems.

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Heed the Following

CAUTION

•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 install the projector in front of the

outlets of an air conditioner or heater or in

a place where vibrations are strong.

Doing so may result in fires.

•Do not install the projector in humid or

dusty places or exposed to smoke or

steam (such as near cooking equipment or

humidifiers). Doing so may result in fires.

•When installing the projector, leave

sufficient space between it and

surrounding objects. Failure to leave

sufficient space will prevent the dissipation

of heat and may result in fires.

•When removing the screws on left and

right on the mounting adapter, be sure to

support the projector while doing so.

Failing to do so may result in the projector

swinging back abruptly and causing injury.

•for PLUGGABLE EQUIPMENT, the

socket-outlet shall be installed near the

equipment and shall be easily accessible.

Installation Precautions

•Special techniques are required for the

installation work of the projector and

installation work should only be

undertaken by qualified and licenced

installers.

•NEC Display Solutions will not accept any

responsibility related to any accidents or

incidents due to insufficient or inferior

mounting techniques.

Installation Location

Avoid places of high temperature or low

temperature.

(Ambient operating temperature: 0°C to

35°C)

Avoid places exposed to direct sunlight and

the vicinity of ventilation holes of room air

conditioning and heating.

Avoid rooms with a lot of dust, humidity,

greasy smoke, or tobacco smoke.

Dirt will adhere to optical parts such as

lenses and mirrors and this will cause a

deterioration of image quality.

Avoid places in which the screen is exposed

to direct sunlight or illumination light.

When surrounding light directly hits the

screen, the image appears washed out and

is difficult to view.

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Preparation

List of Packaged 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 Tools

Phillips screwdriver

Names of the Parts

Left-right angle adjustment screws

Inclination adjustment screws Up-down angle adjustment screws

Dimensions (Unit: mm)

75.5

101

159

101

159

90 90

60 60

150.3

104

60 60

158

104

90 90

Distance to lens end Distance to lens end

Center line of fixed

ceiling part

Center line of fixed

ceiling part

Lens center

●

●●

●

Inclination axis screws

Fixed Ceiling Part Bolt Hole Position Dimensions

Fixed Ceiling Part and Lens Center Dimensions Diagram

LT380

LT280

VT676

VT670

VT470

VT47

Fixed ceiling part

Projector mounting

adapter

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Zoom adjustment range

01234567891011(m)

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 unit can be adjusted up and down a maximum of +/-10˚, but if too much

of an angle is taken the image will show some distortion. Therefore, it is recommended that

an adjustment is made in conjunction with the screen projection angle.

•Recommended screen sizes for projectors are from 21 inches to 300 inches. (Screen sizes

represent the diagonal dimension.)

(*1) Distance from center of fixed ceiling part to end of main unit lens.

(*2) Distance of lens center from ceiling mount surface of fixed ceiling part.

(*3) The angle is 10.8 to 10.5˚ using a telephoto setting for distances from lens center (horizontal) to screen center.

(*4) The angle is 11.88 to 11.5˚ using a wide angle setting for distances from lens center (horizontal) to screen center.

Using the Diagrams

Referring to the diagram, screen sizes that can be used at a projection distance of 3 m will range from 82

inches to 100 inches.

To project to a screen size of 200 inches, the projection distance will range from 6 m to 7.3 according to

the diagram.

See Page 9 for the vertical and horizontal dimensions of the screen size.

The projection distance is a calculated value and as such,

there is a tolerance of +/- 5%.

Projection Distance

Diagonal Screen Size (Inches)

Projection Height from Lens Center

159mm

150.3mm

01234567891011(m)

Wide angle

Telephoto

(*1)

(*2)

(*4) (*3)

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Guide to Screen Size and Projector Mounting Position

012345678(m)

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 the image will show some distortion. Therefore, it is recommended that

an adjustment is made in conjunction with the screen projection angle.

• Recommended screen sizes for projectors are from 25 inches to 300 inches. (Screen sizes

represent the diagonal dimension.)

(*1) Distance from center of fixed ceiling part to end of main unit lens.

(*2) Distance of lens center from ceiling mount surface of fixed ceiling part.

Using the Diagrams

Referring to the diagram, screen sizes that can be used at a projection distance of 2.4 m will range from

100 inches.

To project to a screen size of 200 inches, the projection distance will range from 4.4 m according to the

diagram.

See Page 9 for the vertical and horizontal dimensions of the screen size.

The projection distance is a calculated value and as such,

there is a tolerance of +/- 5%.

Projection Distance

Diagonal Screen Size (Inches)

Projection Height from Lens Center

159mm

150.3mm

2345678(m)

(*1)

(*2)

Screen Center

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Guide to Screen Size and Projector Mounting Position

01234567891011(m)

100

120

150

180

200

240

300 Zoom adjustment range

Wide angle (Maximum)

Telephoto (Maximum)

Screen Size and Projection Distance···LT380

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 the image will show some distortion. Therefore, it is recommended that

an adjustment is made in conjunction with the screen projection angle.

•Recommended screen sizes for projectors are from 21 inches to 300 inches. (Screen sizes

represent the diagonal dimension.)

(*1) Distance from center of fixed ceiling part to end of main unit lens.

(*2) Distance of lens center from ceiling mount surface of fixed ceiling part.

(*3) The angle is 10.8 to 10.5˚ using a telephoto setting for distances from lens center (horizontal) to screen center.

(*4) The angle is 11.88 to 11.5˚ using a wide angle setting for distances from lens center (horizontal) to screen center.

Using the Diagrams

Referring to the diagram, screen sizes that can be used at a projection distance of 3 m will range to 100

inches.

To project to a screen size of 200 inches, the projection distance will range from 6 m to 7.3 according to

the diagram.

See Page 9 for the vertical and horizontal dimensions of the screen size.

The projection distance is a calculated value and as such,

there is a tolerance of +/- 5%.

Projection Distance

Diagonal Screen Size (Inches)

Projection Height from Lens Center

12345678910

11(m)

(*4) (*3)

(*1)

(*2)

159mm

158mm

Wide angle

Telephoto

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Guide to Screen Size and Projector Mounting Position

01234567891011(m)

100

120

150

180

200

240

300 Zoom adjustment range

Wide angle (Maximum)

Telephoto (Maximum)

Screen Size and Projection Distance···LT280

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 the image will show some distortion. Therefore, it is recommended that

an adjustment is made in conjunction with the screen projection angle.

•Recommended screen sizes for projectors are from 21 inches to 300 inches. (Screen sizes

represent the diagonal dimension.)

(*1) Distance from center of fixed ceiling part to end of main unit lens.

(*2) Distance of lens center from ceiling mount surface of fixed ceiling part.

(*3) The angle is 10.8 to 10.5˚ using a telephoto setting for distances from lens center (horizontal) to screen center.

(*4) The angle is 11.88 to 11.5˚ using a wide angle setting for distances from lens center (horizontal) to screen center.

Using the Diagrams

Referring to the diagram, screen sizes that can be used at a projection distance of 3 m will range to 100

inches.

To project to a screen size of 200 inches, the projection distance will range from 6 m to 7.3 according to

the diagram.

See Page 9 for the vertical and horizontal dimensions of the screen size.

The projection distance is a calculated value and as such,

there is a tolerance of +/- 5%.

Projection Distance

Diagonal Screen Size (Inches)

Projection Height from Lens Center

12345678910

11(m)

(*4) (*3)

(*1)

159mm

158mm

Wide angle

Telephoto

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Guide to Screen Size and Projector Mounting Position

(m)

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

100

120

150

180

200

240

270

300

(Inches)

Screen Size Conversion Table

Using the Table

The dimensions of a 100 inch screen size according to the table will be approximately 2 m

horizontally and approximately 1.5 m vertically.

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Mounting the Projector

Attach the Fixed Ceiling Part 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.

WARNING!

Fixed ceiling part

2Attach the Projector Mounting

Adapter to the Projector

Remove the two screws from the front

panel and open the projector mounting

adapter. Use three M4 screws to mount the

projector mounting adapter.

*When using a magnetic screwdriver,

insert the screwdriver and screw through

the open hole at the top side of the plate

and tighten without opening the projector

mounting adapter.

Next, close the projector mounting adapter

and tighten the two screws on its side.

Be careful not to catch your fingers

when opening or closing the

projector mounting adapter.

Please use the specified screws;

use of screws other than those

specified may damage the projector.

WARNING!

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