NEC LT280 User Manual
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NEC LT280 User Manual

Portable projector
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Portable Projector
LT380/LT280
User's Manual

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Summary of Contents for NEC LT280

  • Page 1 Portable Projector LT380/LT280 User’s Manual...
  • Page 2 (3) Great care has been taken in the preparation of this manual; however, should you notice any questionable points, errors or omissions, please contact us. (4) Notwithstanding article (3), NEC will not be responsible for any claims on loss of profit or other matters deemed to result from using the Projector.

  • Page 3: Important Information

    Important Information Safety Cautions Precautions Please read this manual carefully before using your NEC LT380/LT280 projector and keep the manual handy for future reference. Your serial number is located on the bottom of your projector. Record it here: CAUTION To turn off main power, be sure to remove the plug from power outlet.
  • Page 4 Important Information Disposing of your used product EU-wide legislation as implemented in each Member State requires that used electrical and electronic products carrying the mark (left) must be disposed of separately from normal household waste. This includes projectors and their electrical accessories or lamps. When you dispose of such products, please follow the guidance of your local authority and/or ask the shop where you purchased the product.
  • Page 5 The Federal Communications Commission does not allow any modifications or changes to the unit EXCEPT those specified by NEC Solutions (America), Inc. in this manual. Failure to comply with this government regulation could void your right to operate this equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 6 • Do not cover the lens with the black lens cap or equivalent while the projector is on. Doing so can lead to melting of the cap and possibly burning your hands due to the heat emitted from the light output.
  • Page 7 CAUTION: When removing the lamp from a ceiling-mounted projector, make sure that no one is under the projector. Glass fragments could fall if the lamp has been burned out. Important Information...

  • Page 8: Table Of Contents

    1. Introduction What's in the Box? ... 1 Introduction to the Projector ... 2 Congratulations on Your Purchase of the Projector ... 2 Features you’ll enjoy ... 2 About this user's manual ... 3 Part Names of the Projector ... 4 Front/Top ...
  • Page 9 Preventing Unauthorized Use of the Projector ... 42 Using a USB Memory Device ... 47 Operation Using an HTTP Browser ... 48 Using the Projector to Operate a Computer Connected on a Network (Desktop Control Utility 1.0) ... 51 5. Using the Viewer Making the Most out of the Viewer Function ...
  • Page 10 Video ... 66 S-Video ... 66 Viewer ... 66 LAN ... 66 [Entry List] ... 67 Menu Descriptions & Functions [Adjust] ... 69 [Picture] ... 69 [Image Options] ... 72 [Video] ... 75 [Sound] ... 76 Menu Descriptions & Functions [Setup] ... 77 [Basic] ...

  • Page 11: Introduction

    1. Introduction What's in the Box? Make sure your box contains everything listed. If any pieces are missing, contact your dealer. Please save the original box and packing materials if you ever need to ship your Projector. Projector Lens cap...

  • Page 12: Introduction To The Projector

    PC control port (mini D-Sub 9 Pin) and LAN support. With input and output flexibility, long lamp life and a full function remote, the LT380/LT280 lets you enjoy larger than life viewing from a compact and easy to setup and use projector.

  • Page 13: About This User's Manual

    For additional information visit: US : http://www.necvisualsystems.com Europe : http://www.neceurope.com/ Global : http://www.nec-pj.com/ 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.

  • Page 14: Part Names Of The Projector

    When moving the projector or when it is not in use, cover the lens with the lens cap. NOTE: To stand the projector on its end, do so by holding the cabinet, not by holding the carrying handle. Doing so can cause damage to the carrying handle.

  • Page 15: Rear

    7) Main Power Switch When you plug the supplied power cable into an active wall outlet and turn on the Main Power switch, the POWER indicator turns orange and the projector is in standby mode. page 24) Bottom Adjustable Tilt Foot Lever...

  • Page 16: Top Features

    Top Features 1. POWER Button (ON / STAND BY) ( NOTE: To turn on the projector, press and hold this button for a minimum of two seconds. To turn off the projector, press this button twice. 2. POWER Indicator ( page 24, 33, 107) 3.

  • Page 17: Terminal Panel Features

    Sub 15 Pin) ( page 13, 16) 3. COMPUTER 3 IN Connector (DVI-D 24 Pin) (HDCP compatible) ( page 14) (Not available on LT280) 4. AUDIO IN (Stereo Mini Jack) ( 5. MONITOR OUT Connector (Mini D-Sub 15 Pin) ( page 16) 6.

  • Page 18: Part Names Of The Remote Control

    4. LED Flashes when any button is pressed. 5. POWER ON Button ( NOTE: To turn on the projector, press and hold the POWER ON button for a minimum of two seconds. 6. POWER OFF Button ( NOTE: To turn off the projector, press the POWER OFF but- ton twice.

  • Page 19: Battery Installation

    • The infrared signal operates by line-of-sight up to a distance of about 22 feet/7 m and within a 60-degree angle of the remote sensor on the projector cabinet. • The projector will not respond if there are objects between the remote control and the sensor, or if strong light falls on the sensor.

  • Page 20: Installation And Connections

    21 inches (0.5 m) measured diagonally when the projector is roughly 28 inches (0.7 m) from the wall or screen. The largest the image can be is 300 inches (7.6 m) when the projector is about 390 inches (10 m) from the wall or screen.

  • Page 21: Throw Distance And Screen Size

    Throw Distance and Screen Size The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of installation. Projector bottom Distance Chart B = Vertical distance between lens center and screen center...
  • Page 22 Using a mirror to reflect your projector's image enables you to enjoy a much larger image when a smaller space is required. Contact your NEC dealer if you need a mir- ror system. If you're using a mirror system and your im-...

  • Page 23: Making Connections

    Usually, the combination of the ‘Fn” key along with one of the 12 function keys gets the external display to come on or off. For example, NEC laptops use Fn + F3, while Dell laptops use Fn + F8 key combinations to toggle through external display selections.
  • Page 24 When Viewing a DVI Digital Signal (LT380 only) To project a DVI digital signal, be sure to connect the PC and the projector using a DVI-D signal cable (not supplied) before turning on your PC or projector. Turn on the projector first and select DVI (DIGITAL) from the source menu before turning on your PC.

  • Page 25: To Connect Scart Output (Rgb)

    SCART is a standard European audio-visual connector for TVs, VCRs and DVD players. It is also referred to as Euro- connector. NOTE: Audio signal is not available for this connection. TIP: The ADP-SC1 SCART adapter is obtainable from your NEC dealer in Europe. Contact your NEC dealer in Europe for more information. Female...

  • Page 26: Connecting An External Monitor

    • The MONITOR OUT connector will output no signal when [Power-saving] is selected in [Standby Mode] from the menu. • When the projector is in the standby mode, the image may not be correctly displayed while the cooling fans are running immedi- ately after turning on or off the power.

  • Page 27: Connecting Your Dvd Player With Component Output

    Connecting Your DVD Player with Component Output Audio Equipment You can connect a video cable to the "Y" connector of the COMPONENT connectors to display a VCR source. To do so, from the menu, select [Setup] NOTE: Refer to your DVD player's owner's manual for more information about your DVD player's video output requirements. COMPONENT IN PC CARD AUDIO IN...

  • Page 28: Connecting Your Vcr Or Laser Disc Player

    Connecting Your VCR or Laser Disc Player VCR/ Laser disc player S-VIDEO VIDEO NOTE: Refer to your VCR or laser disc player owner's manual for more information about your equipment's video output require- ments. NOTE: An image may not be displayed correctly when a Video or S-Video source is played back in fast-forward or fast-rewind via a scan converter.

  • Page 29: Connecting To A Network

    Connecting to a Network The LT380/LT280 comes standard with a LAN port (RJ-45) which provides a LAN connection using a LAN cable. Placing the optional wireless LAN card (NWL-100*) in the PC card slot of the projector also provides a wireless LAN connection.
  • Page 30 (B) Example of wireless LAN connection (Network Type Mode: Infrastructure) Wireless LAN card (Optional) To make connection with a wired LAN via an access point, you need to select the Infrastructure mode. From the menu, select [Setup] [Mode] [Infrastructure]. (C) Example of wireless LAN connection (Network Type Wireless LAN card (Optional) PC with wireless...

  • Page 31: Inserting And Removing A Pc Card

    Inserting and Removing a PC Card To insert the NEC optional wireless LAN card or a PC memory card (also referred to as PC card in this manual), follow the steps below. CAUTION: * Direction for Inserting the PC Card The PC card has a top and bottom and must be inserted into the PC card slot in a specific direction.

  • Page 32: Pc Card Type

    The PC Card slot accepts PCMCIA Type II only. NOTE: The projector does not support NTFS formatted flash memory card or USB memory device. Be sure to use a flash memory card or USB memory device formatted with the FAT32, FAT16 or FAT file system.

  • Page 33: Connecting The Supplied Power Cable

    Connecting the Supplied Power Cable Connect the supplied power cable to the projector. First connect the supplied power cable's two-pin plug to the AC IN of the projector, and then connect the other plug of the supplied power cable in the wall outlet.

  • Page 34: Projecting An Image (Basic Operation)

    Turning on the Projector NOTE: • The projector has two power switches: a main power switch and a POWER (ON/STAND BY) button (POWER ON and OFF on the remote control). • When plugging in or unplugging the supplied power cable, make sure that the main power switch is pushed to the off ( ) position.

  • Page 35: Note On Startup Screen (Menu Language Select Screen)

    NOTE: • The projector cannot be turned off for 60 seconds after the lamp is turned on and while the POWER indicator is blinking green. • Immediately after the lamp is turned off or when the ambient temperature is high, the cooling fans will run for a moment and then you will get an image on the screen.

  • Page 36: Selecting A Source

    Press any one of the COMPUTER 1/2/3, Component, VIDEO, S-VIDEO, VIEWER or LAN buttons. NOTE: The COMPUTER 3 button is not available for LT280. Selecting from Source List Press and quickly release the SOURCE button on the projector cabinet to display the Source list.

  • Page 37: Adjusting The Picture Size And Position

    If the projected image does not appear square to the screen, use the Keystone feature for proper adjustment. ( Rotate the front of the projector right or left (to the right in this example) to center the image horizontally on the screen.

  • Page 38: Zoom

    3. Projecting an Image (Basic Operation) Zoom Use the ZOOM lever to adjust the image size on the screen. Focus Use the FOCUS ring to obtain the best focus.

  • Page 39: Correcting Keystone Distortion

    • In the right example, use the left side as the base. NOTE: When [Manual] is selected in [Keystone] from the menu, project an image adjusting projector position so that the screen is smaller than the area of the projected image. See page for selecting [Manual] in [Keystone].
  • Page 40 Keystone screen and repeat above steps 1 to 6. NOTE: • Turning on the projector will reset the previous correction setting values and correct distortion anew if the projection angle is changed from the last use. If the projection angle is the same as in the last use, the previous correction setting values are retained in the memory.

  • Page 41: Optimizing An Rgb Image Automatically

    • If the Auto Adjust operation cannot optimize the RGB signal, try to adjust Clock and Phase manually. ( Adjusting Volume Up & Down Sound level from the speaker and the AUDIO OUT jack (Stereo mini) on the projector can be adjusted. NOTE: When no menus appear, the SELECT on the projector cabinet work as a volume control.

  • Page 42: Using The Laser Pointer

    Setting the function switch There are two switches on the bottom of the battery case: an applicable projector selector switch (1) and laser enable/ disable switch (2). Check the projector being used and decide whether to enable or disable laser, then set these switches as necessary using the tip of a thin ball-point pen.

  • Page 43: Turning Off The Projector

    5. Put the projector and accessories in the supplied soft case. NOTE: Before putting the projector in the soft case, be sure to retract the feet. Failure to do so may cause the damage to the projector. 3. Projecting an Image (Basic Operation)

  • Page 44: Convenient Features

    4. Convenient Features Turning Off the Image and Sound Press the PIC-MUTE button to turn off the image and sound for a short period of time. Press again to restore the image and sound. Freezing a Picture Press the FREEZE button to freeze a picture. Press again to resume motion. Enlarging and Moving a Picture You can enlarge the area you want up to 400 percent.

  • Page 45: Getting Integrated Help

    Operate the Menus using the USB mouse Mouse Cursor When connecting a USB mouse to the projector, you get a mouse cursor on the screen. Unless you use your USB mouse within 10 seconds, the mouse cursor disappears. NOTE: You can change the shape of the mouse cursor. To do so, select the menu Pointer].

  • Page 46: Using Remote Mouse Receiver

    4. Convenient Features Using Remote Mouse Receiver The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control. It is a great convenience for your computer-generated presentations. Connecting the remote mouse receiver to your computer If you wish to use the remote mouse function, connect the mouse receiver and computer.

  • Page 47: About Drag Mode

    Operating your computer’s mouse from the remote control You can operate your computer's mouse from the remote control. PAGE UP/DOWN Button ... scrolls the viewing area of the window or to move to the previous or next slide in PowerPoint SELECT Button ...

  • Page 48: Correcting Horizontal And Vertical Keystone Distortion (Cornerstone)

    Correcting Horizontal and Vertical Keystone Distortion (Cor- nerstone) Use the 3D Reform feature to correct keystone (trapezoidal) distortion to make the top or bottom and the left or right side of the screen longer or shorter so that the projected image is rectangular. Cornerstone 1.
  • Page 49 8. Press the ENTER button. Screen 9. Use the SELECT button to select another icon which points in the direction. On the Cornerstone adjustment screen, select [Exit] or press the EXIT button on the remote control. Screen The confirmation screen is displayed. 10 .Press the SELECT button to highlight the [OK] and press the ENTER button.
  • Page 50 • If the Cornerstone screen is unavailable (grayed), press and hold the 3D REFORM button for a minimum of 2 seconds to reset the current correction data. The Cornerstone function becomes available. • Turning on the projector will reset the previous correction setting values and correct distortion anew if the projection angle is changed from the last use.

  • Page 51: Making Freehand Drawings On A Projected Image (Chalkboard)

    Making Freehand Drawings on a Projected Image (ChalkBoard) The ChalkBoard feature allows you to write and draw messages on a projected image. NOTE: The ChalkBoard feature is available only when a USB mouse is used. To display the ChalkBoard tool bar, click the middle button on your mouse or select [ChalkBoard] from the menu. The tool bar contains the following icons.

  • Page 52: Preventing Unauthorized Use Of The Projector

    Preventing Unauthorized Use of the Projector Assigning a keyword prevents the projector from being used by unauthorized individuals. Assigning a Keyword for the first time 1. Press the MENU button. The menu will be displayed. 2. Press the SELECT button to highlight the [Setup] submenu and press the ENTER button.
  • Page 53 4. Press the SELECT button four times to highlight [Security]. 5. Press the ENTER button to display the Security screen. 6. Press the SELECT button once to highlight the Keyword entry box and press the ENTER button. The Software keyboard will be displayed. 4.
  • Page 54 The Security Function is now enabled. NOTE: A PC card can be used as a protect key. You can skip the keyword entry by inserting a registered PC card when turning on the projector. ( page 82) 4. Convenient Features...
  • Page 55 The POWER indicator lights orange. The projector is in standby condition. 4. Press and hold the POWER (ON/STANDBY) button for a minimum of two seconds. The projector will turn on. The [Projector is locked! Enter your keyword.] message will be displayed at the bottom of the screen.
  • Page 56 [OK] and press the ENTER button. The Security Function is now disabled. NOTE: Do not forget your keyword. However, if you forget your keyword, NEC or your dealer will provide you with your Release Code upon proof of ownership.

  • Page 57: Using A Usb Memory Device

    * Turning off the main power switch or unplugging the power cable. • The drive for ”USB 1-4” is displayed only when the USB memory device is connected to the projector. • Some USB memory devices (brands) cannot be used as Protect key for the projector’s Security function.

  • Page 58: Operation Using An Http Browser

    Regarding the actual address that is entered for the address or entered to the URL column when operation of the projector is via a browser, the host name can be used as it is when the host name corresponding to the IP address of the projector has been registered to the domain name server by a network administrator, or the host name corre- sponding to the IP address of the projector has been set in the “HOSTS”...
  • Page 59 ... Decreases the hue adjustment value. Sharpness ... Increases the sharpness adjustment value. Sharpness ... Decreases the sharpness adjustment value. • The functions that can be controlled will vary depending on the signal being input to the projector. 4. Convenient Features...
  • Page 60 Lamp Hours Used ... Displays how many hours the lamp has been used. Filter Hours Used ... Displays how many hours the filter has been used. Projector Hours Used . Displays how many hours the projector has been used. Error Status ... Displays the status of errors occurring within the projector.

  • Page 61: Using The Projector To Operate A Computer Connected On A Network (Desktop Control Utility 1.0)

    [System Standby] [Never]. This will discon- nect a LAN connection when the computer goes in standby mode. NOTE: To use the Desktop Control Utility 1.0, you need to have a USB mouse inserted into the USB port of the projector.
  • Page 62 6. Make a note of the password. 7. Click [OK]. Desktop Control Utility 1.0 starts. Go to the room where the projector is installed, taking the password you made a note in the previous Step [6]. 4. Convenient Features Window after entering your startup password Important: •...
  • Page 63 The message is displayed only when a password for Desktop Control Utility 1.0 is not assigned. 5. Follow the message to press the MENU button on the projector cabinet or the remote control. The connections bar appears at the bottom left of the screen.
  • Page 64 A USB mouse connected to the projector can be used to operate the displayed desktop. If the MENU button on the projector cabinet or the remote control is pressed while the desktop is displayed, an additional operations bar appears at the bottom left of the screen.
  • Page 65 The following operations are available only with buttons on the projector cabinet or the remote control. Disconnect icon ... Use to cut off communications with the computer. Shift icon ... Select this icon and press the ENTER button to set the shift lock mode. Select this icon and Ctrl icon ...

  • Page 66: Using The Viewer

    Both PNG and GIF format support non-interlaced images only. “Index” file is a file created using the Ulead Photo Explore 8.0 contained on the supplied NEC User Supportware 3 CD-ROM. See the supplied “User Supportware 3 User’s Guide” for installing the Ulead Photo Explore 8.0 on your computer.

  • Page 67: Operating The Viewer Function From The Projector (Playback)

    USB memory inserted into your PC. 1. Insert a PC card into the PC card slot or USB memory into the USB port of the projector. 2. Press the VIEWER button on the remote control or select the [Viewer] from the source list.

  • Page 68: Viewer Window Elements

    Viewer Window Elements List of folders Highlight Information Highlight ... Indicates the selected folder or drive. List of folders ... Indicates folders contained on a PC card or USB memory. Information ... Indicates information of the selected file or folder. Folder: folder name, creation date (month/day/year), creation time (hour/minute).

  • Page 69: Setting Option For Viewer

    Setting Option for Viewer Play Mode: Manual ... Views a slide manually when the Viewer source is selected. Auto ... Plays back slides automatically when the Viewer source is selected. Interval: Specifies interval time between 5 and 300 seconds. Start: Specifies start screen when the Viewer source is selected.

  • Page 70: Exiting Viewer

    Exiting Viewer To exit Viewer, switch to another input such as Computer 1, Computer 2, Computer 3 (LT380 only), Component, Video, S-Video or LAN. * To switch to another input, there are two ways: * Press the COMPUTER 1, COMPUTER 2, COMPUTER 3, COMPONENT, VIDEO, S-VIDEO or LAN button on the remote control.

  • Page 71: Changing Background Logo

    Once you have changed the background from the NEC logo to another, you cannot return the logo to background even by using [Reset]. To put the NEC logo back in the background logo, repeat the above steps. The NEC logo file is included on the supplied User Supportware 3 CD-ROM (/Logo/NEC_BB_X.JPG).

  • Page 72: Using On-Screen Menu

    2. Press the SELECT buttons on the remote control or the projector cabinet to display the submenu. 3. Press the ENTER button on the remote control or the projector cabinet to highlight the top item or the first tab. 4. Use the SELECT buttons on the remote control or the projector cabinet to select the item you want to adjust or set.

  • Page 73: Menu Tree

    Menu tree Menu Item Source Computer 1, Computer 2, Computer 3 (LT380 only), Component, Video, S-Video, Viewer, LAN, Entry List Adjust Picture Preset Brightness Contrast Sharpness Color Reset Image Options Clock Phase Horizontal Position Vertical Position Blanking Overscan Aspect Ratio Video 3D Y/C Separation Vertical Enhancer...
  • Page 74 Off Timer Mouse Information Usage Time Lamp Life Remaining, Lamp Hours Used, Filter Hours Used, Projector Hours Used Source Page1 Input Terminal, Signal Type, Video Type, Source Name, Entry No. Source Page2 Horizontal Frequency, Vertical Frequency, Sync Type, Sync Polarity, Scan Type...

  • Page 75: Menu Elements

    Menu Elements Highlight Radio button Check box Menu windows or dialog boxes typically have the following elements: Highlight ... Indicates the selected menu or item. Solid triangle ... Indicates further choices are available. A highlighted triangle indicates the item is active. Tab ...

  • Page 76: Menu Descriptions & Functions [Source]

    Photo Explore 8.0 for NEC contained on the CD-ROM. See the supplied NEC Software Utility Installation Guide for installing the Photo Explore 8.0 for NEC. See page for viewing slides. Selects a signal from the LAN port (RJ-45) or the NEC optional wireless LAN card plugged into the projector's card slot.

  • Page 77: [Entry List]

    2. Use the SELECT button on your remote control or the projector cabinet to select any number and press the ENTER button on the remote control or the projector cabinet to display the [Entry Edit Com- mand] screen. 3. Use the SELECT button to select [Store] and press the ENTER button.

  • Page 78: Entry Edit Command

    Store ... Enables you to store the currently projected signal. Cut ... Enables you to remove a selected signal from the list and place it on the "clipboard" in the projector. Copy ... Enables you to copy a selected signal from the list and place it on the "clipboard" in the projector.

  • Page 79: Menu Descriptions & Functions [Adjust]

    6. Using On-Screen Menu Menu Descriptions & Functions [Adjust] [Picture] [Preset] This option allows you to adjust neutral tint for yellow, cyan or magenta. There are six factory presets optimized for various types of images, you can set user adjustable settings.
  • Page 80 [Detail Settings] This will provide you with three pages of menus that provide more detailed settings. [General] Selecting Reference Setting [Reference] This feature allows you to use color correction or gamma values as reference data to optimize for various types of images.
  • Page 81 6. Using On-Screen Menu [Brightness] Adjusts the brightness level or the back raster intensity. [Contrast] Adjusts the intensity of the image according to the incoming signal. You have two options: Manual and Auto. NOTE: The Auto Contrast function will not work when the on-screen menu or a message is displayed [Sharpness] Controls the detail of the image for Video (not valid for RGB and digital signals).

  • Page 82: [Image Options]

    [Image Options] Adjusting Clock and Phase [Clock/Phase] This allows you to manually adjust Clock and Phase. Clock ... Use this item to fine tune the computer image or to remove any vertical banding that might appear. This function adjusts the clock frequencies that eliminate the horizontal banding in the image. This adjustment may be necessary when you connect your computer for the first time.
  • Page 83 Adjusting Horizontal/Vertical Position [Horizontal/Vertical Position] Adjusts the image location horizontally and vertically. Masking Unwanted Area [Blanking] This feature allows you to mask any unwanted area of the screen image. Selecting Overscan Percentage [Overscan] Select overscan percentage (0%, 5% and 10%) for signal. Projected image Overscaned by 10% 6.
  • Page 84 NOTE: You can adjust image position vertically for a source with black borders on top and bottom. ( NOTE: Please note that using this projector for the purpose of commercial gain or the attraction of public attention in a venue such as a coffee shop or hotel and employing compression or expansion of the screen image with a [Aspect Ratio] or [Screen] setting may raise concern about the infringement of copyrights which are protected by copyright law.

  • Page 85: [Video]

    Still ... Select when a still image is displayed. When this option is selected for a moving image, jitter or artifacts can be seen. Normal ... The projector automatically determines a still or moving image to display a clear picture. If selecting [Normal] causes excess jitter or artifacts, select [Movie].

  • Page 86: [Sound]

    Turn on or off the 3D surround effect. If the AUDIO OUT stereo mini jack of the projector is connected to an external equipment, adjusting the sound on the external equipment can cause sound to be distorted or cracked, depending on the bass, treble or 3D Surround adjustment.

  • Page 87: Menu Descriptions & Functions [Setup]

    This feature allows you to correct keystone distortion manually or automatically. Selecting this item will display the Keystone setting menu. Auto ... This feature allows the projector to detect its tilt and correct vertical distortion automatically. Manual ... You can correct vertical distortion manually from the menu.
  • Page 88 Eco Mode ... Select this mode to increase the lamp life (80% Brightness). NOTE: If the projector is overheated in Normal mode, there may be a case where the Lamp mode will be forced into the Eco mode to protect the projector. This mode is called "forced Eco mode".

  • Page 89: [Menu]

    Selecting Menu Display Time [Display Time] This option allows you to select how long the projector waits after the last touch of a button to turn off the menu. The preset choices are [Manual], [Auto 5 sec], [Auto 15 sec], and [Auto 45 sec]. The [Auto 45 sec] is the factory preset.
  • Page 90 Setting a Password [Menu Lock] / [Logo Lock] A password can be set for your projector to avoid operation by an unauthorized person. When [Menu Lock] is set, changing the menu from Basic to Advanced will display the Password input screen.
  • Page 91 Keyword ... Enter an appropriate keyword when you use the Security function. (Up to 10 characters can be used.) The Security function is available only when your keyword is entered. Use Protect key ... Check this box to lock your projector when using a PC card. To use a keyword without a PC card, do not check this box.
  • Page 92 3. Enter your keyword in the Release Code input screen. You can view the projected image. NOTE: Do not forget your keyword. However, if you forget your keyword, NEC or your dealer will provide you with your Release Code. See more information at the end of this section.
  • Page 93 If you've lost your registered PC card, proceed as follows: NOTE: NEC or your dealer will provide you with your Release Code in exchange for your registered keyword and Request Code. See more information at the end of this section.

  • Page 94: [Installation]

    6. Using On-Screen Menu [Installation] Selecting Projector Orientation [Orientation] This reorients your image for your type of projection. The options are: desktop front projection, ceiling rear projection, desktop rear projection, and ceiling front projection. Desktop front Ceiling rear Desktop rear Ceiling front NOTE: Selecting one of the other options than [Desktop Front] will make the [Auto Keystone] unavailable.
  • Page 95 Selecting Aspect Ratio and Position for Screen [Screen] Screen Type ... Select one of two options: 4:3 Screen or 16:9 Screen for the screen to be used. See also [Aspect Ratio]. page 74) Position ... This feature allows you to adjust the vertical position of the image when 16:9 has been selected for the screen type.
  • Page 96 * Last digit of the model code varies depending on which country you live in. For more information, visit our Website. • To use wireless LAN, insert the NEC optional wireless LAN card (NWL-100*) into the PC Card slot. "Inserting and Removing a PC Card” on page 21) •...
  • Page 97 Gateway ... Set the default gateway of the network connected to the projector. Press and type in 12 numeric characters. DNS Configuration Type in the IP address of DNS server on the network connected to the projector. Twelve numeric characters are used.
  • Page 98 Gateway ... Set the default gateway of the network connected to the projector. Press and type in 12 numeric characters. DNS Configuration Type in the IP address of DNS server on the network connected to the projector. Twelve numeric characters are used.
  • Page 99 [Advanced] menu [Network Type] (required for wireless only) Site Survey: Displays a list of available SSIDs for wireless LAN on site. Select an SSID which you can access. To select an SSID, highlight [SSID] and use the SELECT : access point : Ad Hoc PC : WEP enabled NOTE: You cannot connect to a device with the SSID for Channel 14 because it is not displayed in the list.
  • Page 100 [WEP] (required for wireless only) Select this option whether using the WEP (Wired Equivalent Privacy) key for encryption or not. To use encryption, specify WEP key. Disable ... Will not turn on the encryption feature. Your communications may be monitored by someone. 64bit ...
  • Page 101 [Domain] Host Name ... Type in a hostname. Up to 60 alphanumeric characters can be used. Domain Name ... Type in domain name of the network connected to the projector. Up to 60 alphanumeric characters can be used. 6. Using On-Screen Menu...
  • Page 102 This option notifies your computer of an error message via e-mail when using wireless or wired LAN. The error message will be notified when the projector lamp has reached the end of its usable life or an error occurs in the projector.
  • Page 103 The projector has two standby modes: [Normal] and [Power-saving]. Power-saving mode is the mode that allows you to put the projector in the power-saving condition which consumes less power than the Normal mode. The projector is preset for Normal mode at the factory.

  • Page 104: [Options]

    You can set the projector to default to any one of its inputs each time the projector is turned on. Last ... Sets the projector to default to the previous or last active input each time the projector is turned on. Auto ... Searches for an active source in order of Computer1...
  • Page 105 Allows you to set [Computer 1] and [Computer 2] to automatically detect an incoming RGB or component source such as a computer or DVD player. However there may be some RGB and component signals that the projector is unable to detect. In this case, select [RGB] or [Component].

  • Page 106: [Tools]

    • To cancel the preset time, set [Off] for the preset time or turn off the power. • When the remaining time reaches 3 minutes before the projector is turned off, the [Projector will turn off in 3 minutes] message will be displayed on the bottom of the screen.

  • Page 107: Menu Descriptions & Functions [Information]

    6. Using On-Screen Menu Menu Descriptions & Functions [Information] Displays the lamp and the projector usage hours, the status of the current signal and settings and LAN settings. This dialog box has seven pages. The information included are as follows:...

  • Page 108: [Source

    [Source Page1] Input Terminal Signal Type Video Type Source Name Entry No. [Source Page2] Horizontal Frequency Vertical Frequency Sync Type Sync Polarity Scan Type 6. Using On-Screen Menu...

  • Page 109: [Lan Built-In]

    Subnet Mask ... Indicates the subnet mask of the projector when the LAN port (RJ-45) is used Gateway ... Indicates the gateway of the network connected to the projector when the LAN port (RJ-45) is used. MAC Address ... Indicates the MAC address of the LAN port (RJ-45).

  • Page 110: [Lan Wireless]

    [LAN Wireless] This page shows information on settings for WEP key for encryption. SSID ... Indicates the identifier (SSID) for your wireless LAN. Mode ... Indicates that [Infrastructure] or [802.11 Ad Hoc] is selected for your communication method WEP ... Indicates your selected datalength encryption: On or Off Channel ...

  • Page 111: Menu Descriptions & Functions [Reset]

    NOTE: Elapsed time of the lamp use will not be affected even when [Reset] is done from the menu. NOTE: The projector will turn off and go into standby mode after 2100 hours (up to 3100 hours in Eco mode) of service. In this condition you cannot clear the lamp hour meter on the menu.

  • Page 112: Maintenance

    Cleaning or Replacing the Filter The air-filter sponge keeps dust and dirt from getting inside the projector and should be cleaned after every 100 hours of operation (more often in dusty conditions). If the filter is dirty or clogged, your projector may overheat.

  • Page 113: Cleaning The Cabinet And The Lens

    NOTE: Do not wash the filter with soap and water. Soap and water will damage the filter membrane. Before replacing the filter, remove dust and dirt from the projector cabinet. Keep out dust and dirt during filter replacement. NOTE: When you replace the lamp, it is also wise to replace the filter. The filter comes in the same package with your replacement lamp.

  • Page 114: Replacing The Lamp

    Eco mode) of use, the lamp bulb may shatter, and pieces of glass may be scattered in the lamp case. Do not touch them as the pieces of glass may cause injury. If this happens, contact your NEC dealer for lamp replacement.
  • Page 115 4. Insert a new lamp housing until the lamp housing is plugged into the socket. CAUTION Do not use a lamp other than the NEC replacement lamp VT75LP. Order this from your NEC dealer. Secure it in place with the two screws.
  • Page 116 [Reset] [Clear Lamp Hours] to reset the lamp usage hours. NOTE: When the lamp exceeds 2100 hours (up to 3100 hours in Eco mode) of service, the projector cannot turn on and the menu is not displayed. If this happens, press the HELP button on the remote control for 10 seconds to reset the lamp clock back to zero.

  • Page 117: Appendix

    8. Appendix Troubleshooting This section helps you resolve problems you may encounter while setting up or using the projector. Indicator Messages Power Indicator Indicator Condition Blinking light Green Orange Steady light Green Orange Status Indicator Indicator Condition Blinking light Green...
  • Page 118 • Ensure that the distance between the projector and screen is within the adjustment range of the lens. ( • Condensation may form on the lens if the projector is cold, brought into a warm place and is then turned on.
  • Page 119 ‘Fn” key along with one of the 12 function keys gets the external display to come on or off. For example, NEC laptops use Fn + F3, while Dell laptops use Fn + F8 key combinations to toggle through external display selections.

  • Page 120: Specifications

    LT280: 2.36 -35.66 ft / 0.72 -10.87 m LT380: 10.3 - 11.2 (wide) / 8.5 - 9.2 (tele) LT280: 11.5 - 12.1 (wide) / 9.5 - 10.0 (tele) 2 Analog RGB (Mini D-Sub 15 P), 1 Digital RGB (DVI-D 24 P : LT380...
  • Page 121 Storage Temperatures : Regulations For additional information visit: US : http://www.necvisualsystems.com Europe : http://www.neceurope.com/ Global : http://www.nec-pj.com/ The specifications are subject to change without notice. Orientation: Desktop/Front, Desktop/Rear, Ceiling/Front, Ceiling/Rear 11.6" (W) 4.7" (H) 11.3" (D) 294 mm (W) 120 mm (H) (not including protrusions) 7.7 lbs / 3.5 kg...

  • Page 122: Cabinet Dimensions

    Cabinet Dimensions LT380 L/MONO CONTROL MONITOR AUDIO AUDIO VIDEO S-VIDEO Cr/Pr Cb/Pb COMPONENT COMPUTER COMPUTER AUDIO CARD COMPUTER ON/STAND SOURCE ADJUST AUTO REFORM POWER STATUS LAMP CARD SELECT 294 (11.57") 71.5 (2.82") Lens center 8. Appendix Lens center Unit: mm (inch)
  • Page 123 LT280 L/MONO CONTROL MONITOR AUDIO AUDIO VIDEO S-VIDEO Cr/Pr Cb/Pb COMPONENT COMPUTER COMPUTER AUDIO CARD ON/STAND SOURCE ADJUST AUTO REFORM POWER STATUS LAMP CARD SELECT 294 (11.57") Lens center 71.5 (2.82") 8. Appendix Lens center Unit: mm (inch)

  • Page 124: Pin Assignments Of D-Sub Computer 1/2 Input Connector

    Pin Assignments of D-Sub COMPUTER 1/2 Input Connector Mini D-Sub 15 Pin Connector Pin No. RGB Signal (Analog) Green or Sync on Green Blue Ground Ground Red Ground Green Ground Blue Ground No Connection Sync Signal Ground SCART Sync Bi-directional DATA (SDA)* Horizontal Sync or Composite Sync Vertical Sync Data Clock*...

  • Page 125: Compatible Input Signal List

    Compatible Input Signal List Signal Resolution ( Dots ) NTSC PAL60 SECAM VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA 1024 VESA 1024 1024 VESA 1024 VESA 1024 VESA 1152 1152 VESA 1280 VESA 1280 1280 SXGA+ 1400 VESA 1600 VESA...

  • Page 126: Pc Control Codes And Cable Connection

    PC Control Codes and Cable Connection PC Control Codes Function Code Data POWER ON POWER OFF INPUT SELECT COMPUTER 1 INPUT SELECT COMPUTER 2 INPUT SELECT COMPUTER 3 INPUT SELECT COMPONENT INPUT SELECT VIDEO INPUT SELECT S-VIDEO INPUT SELECT VIEWER PICTURE MUTE ON PICTURE MUTE OFF SOUND MUTE ON...

  • Page 127: Using Software Keyboard

    NOTE 2: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection. NOTE 3: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.

  • Page 128: Troubleshooting Check List

    Video and Audio No image is displayed from your PC or video equipment to the projector. Still no image even though you connect the projector to the PC first, then start the PC. Enabling your notebook PC’s signal output to the projector.
  • Page 129 Vertical synch frequency Synch polarity Synch type STATUS Indicator: Steady light Flashing light Remote control model number: Projector Signal cable NEC standard or other manufacturer’s cable? Model number: Length: Distribution amplifier Model number: Switcher Model number: Adapter Model number: Installation environment...

  • Page 130: Travelcare Guide

    TravelCare Guide TravelCare - a service for international travelers This product is eligible for "TravelCare", NEC's unique international war- ranty. Please note that TravelCare coverage differs in part from coverage un- der the warranty included with the product. Services offered with TravelCare...
  • Page 131 +886 2 8500 1420 Email Address: chenguanfu@nec.com.tw WEB Address: http://www.nec.com.tw (Regions Covered) Taiwan NEC Solutions Asia Pacific Pte. Ltd Address: 401 Commonwealth Drive, #07-02, Haw Par Technocentre, Singapore 149598 Telephone: +65 6 273 8333 Fax Line: +65 6 274 2226 Email Address: tehgh@rsc.ap.nec.com.sg...
  • Page 132 Date: TO: NEC or NEC's Authorized Service Station: (Company & Name with signature) Dear Sir (s), I would like to apply your TravelCare Service Program based on attached registration and qualification sheet and agree with your following conditions, and also the Service fee will be charged to my credit card account, if I don't return the Loan units within the specified period.
  • Page 133 3) Any fault in the attachments or associated products or components (whether or not supplied by NEC or its agents which do not form part of the Product covered by this warranty); 4) Any act of God, fire, flood, war, act of violence or any similar occur- rence;...

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