NEC LT240 Series Manuale utente

Portable Projector

LT260/LT240/LT220

User’s Manual

About this user's manual

The fastest way to get started is to take your time and do everything right the first time.

Take a few minutes now to review the user's manual. This may save you time later on. At

the beginning of each section of the manual you'll find an overview. If the section

doesn't apply, you can skip it.

CD-ROM version

E-2

Introduction to the Projector

INTRODUCTION

Thissectionintroducesyoutoyour newLT260/LT240/LT220Projectorand

describes the features and controls.

Congratulations on Your Purchase of The LT260/LT240/

LT220 Projector

The LT260/LT240/LT220 is one of the very best projectors available today.

The LT260/LT240/LT220 enables you to project precise images up to 500

inches across (measured diagonally) from your PC or Macintosh com-

puter (desktop or notebook),VCR, DVD player, document camera, a laser

disc player or Viewer.

You can use the projector on a tabletop or cart, you can use the projector

to project images from behind the screen, and the projector can be per-

manentlymountedonaceiling*1.Theremotecontrolcanbeusedwirelessly.

*1Do not attempt to mount the projector on a ceiling yourself.

The projector must be installed by qualified technicians in order to en-

sure proper operation and reduce the risk of bodily injury.

In addition, the ceiling must be strong enough to support the projector

andthe installation mustbeinaccordance with anylocalbuildingcodes.

Please consult your dealer for more information.

Features you'll enjoy:

•The newly developed 3D Reform function allows you to correct trap-

ezoidal distortion for both horizontally and vertically so that the im-

age is square even when projector is positioned off center of the

rooms screen.

•The LT260/LT240/LT220 projector provides wired and wireless net-

working.When using as a wireless LAN projector, no physical signal

cable connection to a PC is required.*2

*2A wireless LAN card is required.The NEC optional wireless LAN card is

available. (SWL-2100N-N∗)

E-3

INTRODUCTION

⬎

Introduction to the Projector

Safety protect by Passcode and Security functions

Passcode and Security features prevent the projector from being used by

unauthorized individuals.

Passcode prevents unauthorized individuals from changing projector set-

tings or adjustments Security offers complete protection by using your PC

card as a protect key so that the projector will not project a signal without

insertion of the registered PC card and unauthorized use can be discour-

aged.

•The built-inViewer allows you to start your presentation even when a

PC is not available at the site.

•Ahigh-bright 220 watt DC lamp.

•TheStandby mode reducesstandbypowerconsumption significantly.

•Thesuppliedwirelessremotecontrolthatoperatestheprojectorfrom

the front side or rear.

•The image can be projected between 30 and 500 inches (measured

diagonally).

•The "Capture" enables you to capture the current projected image.

•An image can be projected from in front or behind a screen, and the

projector can even be installed on the ceiling.

•NEC’s exclusive Advanced AccuBlend intelligent pixel blending tech-

nology - an extremely accurate image compression technology - of-

fers a crisp image with UXGA (1600⳯1200) resolution*3.

•Supports most IBMVGA, SVGA, XGA,SXGA/UXGA(withAdvanced

AccuBlend)*3, Macintosh, component signal (YCbCr/YPbPr) or any

other RGB signals within a horizontal frequency range of 24 to 100

kHz and a vertical frequency range of 50 to 120 Hz. This includes

NTSC, PAL, PAL-N, PAL-M, PAL60, SECAM and NTSC4.43 stan-

dard video signals.

*3A UXGA (1600⳯1200) and SXGA image (1280⳯1024) are displayed

with NEC’s Advanced AccuBlend on LT260/LT240/LT220.

An XGA image (1024⳯768) is displayed with NEC’s Advanced

AccuBlend on LT220.

E-4

NOTE: Composite video standards are as follows:

NTSC: U.S. TV standard for video in U.S. and Canada.

PAL: TV standard used in Western Europe.

PAL-N: TV standard used in Argentine, Paraguay and Uruguay.

PAL-M: TV standard used in Brazil.

PAL60: TV standard used for NTSC playback on PAL TVs.

SECAM: TV standard used in France and Eastern Europe.

NTSC4.43: TV standard used in Middle East countries.

INTRODUCTION

⬎

Introduction to the Projector

E-5

•The supplied remote control can be used without a cable, and you

canevenusetheremotecontroltooperate yourPC'smousewirelessly

from across the room with the built-in remote mouse function.

•You can control the projector with a PC using the PC Control port.

•USB port allows USB mouse operation*4.

*4The USB ports meet the USB1.1 specification.

•The contemporary cabinet design is light, compact, easy to carry,

and complements any office, boardroom or auditorium.

•Eight pointers are available for your presentation.

INTRODUCTION

⬎

Introduction to the Projector

E-6

Part Names of the Projector

SELECT

SOURCEAUTOADJUST

STANDBY

STATUS

POWER

LAMP

ALIGNMENT

PC-CARD

INTRODUCTION

⬎

Part Names of the Projector

Ventilation (outlet)

Heatedair is exhausted

from here

*This security slot supports the MicroSaver®Security System.

MicroSaver®is a registered trademark of Kensington Microware Inc.

The logo is trademarked and owned by Kensington Microware Inc.

Built-in Security Slot

( )*

AdjustableTilt Foot Lever

(See page E-43)

Attaching the lens cap

1. Thread the string through the hole

on the lens cap and then tie a knot

in the string.

2. Use the rivet to attach the string to

the bottom of the projector.

To attach the lens cap to the bottom with the supplied string and rivet:

Remote Sensor

(See page E-20)

Focus Ring

(See page E-44)

Controls

(See page E-8)

Ventilation (inlet)

Zoom Lever

(See page E-44)

Carrying Handle

Lens Cap

Lens

AdjustableTilt Foot

(See page E-43)

E-7

INTRODUCTION

⬎

Part Names of the Projector

Monaural Speaker (2W)

AC Input

Connect the supplied power cable's three-pin

plug here, and plug the other end into an active

wall outlet.

(See page E-36)

Main Power Switch

When you plug the supplied power cable into an ac-

tive wall outlet and turn on the Main Power switch,

the POWER indicator turns orange and the projector

is in standby mode.

(See page E-37)

Remote Sensor

(See page E-20)

PC Card Slot

Rear Foot

Lamp cover

(See page E-118)

Lamp cover screw

Rear Foot

Rotate to make the projector level.

(See page E-44)

PC Card Eject Button

E-8

INTRODUCTION

⬎

Part Names of the Projector

910 45 11

678 121 3

Top Features

1.POWER Button (ON / STAND BY)

Use this button to turn the power on and off when the main power is

supplied and the projector is in standby mode.

NOTE: To turn on or off the projector, press and hold this button for a mini-

mum of two seconds.

2. STATUS Indicator

If this light blinks red rapidly, it indicates that an error has occurred, the

lamp cover is not attached properly or the projector has overheated. If

this light remains orange, it indicates that you have pressed a cabinet

key while the Control Panel Key Lock is enabled. See the Status Indi-

cator section on page E-123 for more details.

3. POWER Indicator ( )

When this indicator is green, the projector is on; when this indicator is

orange, it is in standby or idle mode. See the Power Indicator section

on page E-123 for more details.

E-9

INTRODUCTION

⬎

Part Names of the Projector

⬎

Top Features

4. SOURCE Button

Use this button to select a video source such as a PC, VCR, DVD

player, Viewer (PC card), or LAN.

Press and release this button quickly to display the Source List.

Each time this button is pressed for a minimum of TWO seconds, the

input source will change as follows:

RGB1 →RGB2 →Video →S-Video →Viewer → RGB1 →...

If no input signal is present, the input will be skipped.

5. AUTO ADJUST Button

Use this button to adjust Position-H/V and Pixel Clock/Phase for an

optimal picture. Some signals may not be displayed correctly or take

time to switch between sources.

6. PC CARD Access Indicator

Lights while accessing a PC card.

7. ENTER Button

Executes your menu selection and activates items selected from the

menu.

8. CANCEL Button

Press this button to exit "Menus".Press this button to return the adjust-

ments to the last condition while you are in the adjustment or setting

menu.

9. SELECT  (+) (–) / Volume Buttons

 : Use these buttons to select the menu of the item you wish to

adjust.When no menus appear, these buttons work as a volume

control.

E-10

 : Use these buttons to change the level of a selected menu item.

A press of the button executes the selection.When the menus

or the Viewer tool bar is not displayed, these buttons can be

used to select a slide, or to move the cursor in Folder List or

Slide List.

When the pointer is displayed, these  buttons move the pointer.

10. MENU Button

Displays the menu.

11. LAMP Indicator

If this light blinks red rapidly, it's warning you that the projection lamp

has exceeded 1500 hours (up to 2000 hours in Eco mode) of service.

After this light appears, replace the lamp as soon as possible. (See

page E-118). If this is lit green continually, it indicates that the lamp

mode is set to Eco. See the Lamp Indicator section on page E-124 for

more details.

12. 3D REFORM Button

Press this button to enter 3D Reform mode to correct the keystone

(trapezoidal) distortion, and make the image square.

INTRODUCTION

⬎

Part Names of the Projector

⬎

Top Features

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