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NEC MultiSync LT81 User Manual

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Ultra-Portable Projector
User's Manual
NEC Technologies



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  Summary of Contents for NEC MultiSync LT81

  • Page 1 60143-1248 Illinois Itasca, Suite Road, Heights Arlington 1250 Inc. Technologies, Projector Ultra-Portable Ultra-Portable Projector MultiSync ® /100 ™ ™ Projector User’s Manual NEC Technologies...
  • Page 2 Precautions Please read this manual carefully before using your NEC MultiSync LT81/LT100 Projector and keep the manual handy for future reference. Your serial number is located beneath the main power switch on the back of your MultiSync LT81/LT100. Record it here: CAUTION To turn off main power, be sure to remove the plug from power outlet.
  • Page 3: Important Safeguards

    1000 hours 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 5: Remplacement De La Lampe

    être éparpillées dans le compartiment de la lampe. Ne les touchez pas car elles peuvent vous blesser. Dans ce cas, contactez votre revendeur NEC afin de procéder au remplacement de la lampe.
  • Page 6 Projector ® Products NEC Technologies, Inc. (hereafter NECTECH) warrants this product to be free from defects in material and workmanship under the following terms. HOW LONG IS THE WARRANTY? Parts and labor are warranted for (2) two years from the date of the first customer purchase.
  • Page 7: Table Of Contents

    Introduction To The MultiSync LT81/LT100 Projector ... 13 How Do You Get Started? ... 15 What’s In The Box? ... 15 Getting To Know Your MultiSync LT81/LT100 Projector ... 17 Front Features ... 17 Rear Features ... 18 Top Features ... 19 Terminal Panel Features ...
  • Page 8: Introduction

    AccuBlend™)* , Macintosh, or any other RGB signals within a horizontal frequency range of 15.754 to 85 kHz (60 kHz : LT81) and a vertical frequency range of 50 to 85 Hz. This includes NTSC, PAL, SECAM and NTSC4.43 standard video signals.
  • Page 9: How Do You Get Started

    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 MultiSync LT81/LT100 Projector. • NEC MultiSync LT81/LT100 • Mouse Adapters for IBM PS/2 and Mac Projector •...
  • Page 10: Getting To Know Your Multisync Lt81/Lt100 Projector

    Getting To Know Your MultiSync LT81/LT100 Projector Front Features Cooling Fan Rear Foot (Adjustable on LT100 only) Terminal Panel Remote Sensor Rear Features Remote Sensor Carrying handle The above drawings show LT100 but most information in this user’s manual applies to both products.
  • Page 11: Top Features

    4 Menu Button Displays the on- screen menu. 5 Power Indicator When the projector is switched On, the green LED blinks for about one minute, then lights up. If the main power is on and you switch it off by pressing POWER...
  • Page 12: Terminal Panel Features

    3 PC Control Port Use this port to connect your PC to control the MultiSync LT81/ LT100 Projector. This enables you to use your PC and serial com- munication protcol to control the projector. If you are writing your own program, command reference are on pages 103 to 106.
  • Page 13 5 RGB Output Connector (Mini D-Sub 15 pin) You can use this connector to loop your computer image to an external monitor from the RGB input source. Even if VIDEO is selected, the video image input to the RGB INPUT terminal is output. Audio Output Mini Jack You can use this jack to loop your audio to an external monitor from the VIDEO audio input or RGB audio input source.
  • Page 14: Remote Control Features

    Remote Control Features You can use your wireless remote control to operate your MultiSync LT81/ LT100 Projector. With the remote mouse receiver connected to your computer, you can also use the projector’s remote control to operate your computer. (See pages 53 to 56 to connect the remote mouse receiver to your computer.) NOTE: If you are using a Macintosh computer, you can click either the right or left button to activate the mouse.
  • Page 15 11 Laser Button Press and hold this button to activate the laser pointer. When lit, you can use the laser to draw your audience's attention to a red dot that you can place on any object within 30 feet (10 m). 12 Mouse Pointer Buttons Works as a mouse for your computer.
  • Page 16: Installation

    This section describes how to set up your MultiSync LT81/LT100 projector and how to connect video and audio sources. Setting Up Your MultiSync LT81/LT100 Projector Your MultiSync LT81/LT100 Projector is simple to set up and use. But before you get started, you must first: 1. Determine the image size 2.
  • Page 17: Projection Distance

    Projection Distance Wide Screen size inch 40” 60” Projection angle Degree 14.8 14.8 Screen width H inch 1219 inch 65.2 97.8 1655 2483 inch Projection distance C inch 94.5 1600 2400 inch inch Tele Screen size inch 40” 60” Projection angle Degree 11.4 11.4...
  • Page 18 Ceiling mount INSTALLATION Screen Screen center Screen bottom Projector feet LT100 : 3.8” (97mm) LT81 : 3.4” (85.6mm) Projector feet Screen top Screen center Unit (inch) H (inch) = Width of screen A = C / cos B = 3.7H / 25.4 C (WIDE) = (2.026 H) –...
  • Page 19: Using A Tabletop Or Cart

    (There is approximately 5.0˚ of up and down adjustment for the front of the projector.) [LT81] To center the image vertically (B), raise the lever-type foot on the rear straight up. 6. To fine tune the image's position vertically on the screen, rotate each front foot, and rear feet if necessory.
  • Page 20: Transporting And Storing The Projector

    Transporting and storing the projector A padded carrying case has been supplied with your projector. Please use this case when transporting and storing the projector. The carrying case also has a compartment for your laptop computer. To use the carrying case follow the directions below: [LT81] 1.
  • Page 21 5. Unlatch the belt and then place your notebook computer into the front pouch. 6. Latch the belt. INSTALLATION 3. Hold the projector by it’s handle and slide it into the large compartment of the carrying case. 4. Zip up the top of the case. Zipper 7.
  • Page 22: Ceiling Installation

    WARNING • Only use your 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 projector where temperatures vary greatly. The projector must be used at temperatures between 41˚F (5˚C) and 95˚F (35˚C).
  • Page 23: Wiring Diagram

    VCR, Laser Disk Player or DVD Player To RGB input on the projector DVD Player with Y/Cb/Cr output Signal cable (supplied) To mini D-Sub 15-pin connector on the Projector IBM VGA or Compatibles PS/2 mouse adapter (supplied) Remote Control Guideline 1.
  • Page 24: Connecting Your Pc Or Macintosh Computer

    5. If the projector goes blank after a period of inactivity, it may be caused by a screen saver installed on the computer you've connected to the projector. When using a Macintosh with the LT81/LT100, set the DIP switch of the supplied pin adapter according to your resolution. After setting, restart your Macintosh.
  • Page 25 19” fixed mode /1024 768 NOTE: For setting other than display modes supported by your Macintosh and LT81/LT100, using of the DIP switch may bounce a image slightly or may display nothing. If this happens, set the DIP switch to the 13”...
  • Page 26 2. Click and open "Options." 3. Select your new resolution and click "OK." If you have an NEC monitor connected to your Macintosh, you may have a "DPI-On-The-Fly" extension that enables you to change your resolution directly. The "DPI-On-The-Fly" icon is under your Apple menu.
  • Page 27: Connecting Your Dvd Player

    Connecting Your DVD Player You can connect your MultiSync LT81/LT100 Projector to a DVD player with the component outputs or Video output. To do so, simply: 1. Turn off the power to your projector and DVD player. 2. If your DVD player has the component video (Y,Cb,Cr) output use the optional 15-pin-to-RCA 3 cable to connect your DVD player to the RGB INPUT connector on the LT81/LT100.
  • Page 28: Connecting Your Remote Mouse Receiver

    Connecting Your Remote Mouse Receiver The remote mouse receiver enables you to operate your computer's mouse functions from the NEC MultiSync LT81/ LT100 remote control. It is a great convenience for clicking through your computer-generated presentations. To connect the remote mouse receiver: 1.
  • Page 29 To do so: 1. Turn off your computer. 2. Use the remote control cables supplied to connect the Remote Control Output of one projector to the Remote Control Input of the next until all the projectors are connected. INPUT S-VIDEO...
  • Page 30: Operation

    1. Turn On The Projector The main power switch is on the back panel of the MultiSync LT81/LT100 Projector. By turning this switch on, the projector will go into its standby mode and the power light will glow amber. Only after you press the "On"...
  • Page 31: Using The Menus

    1. Press the "Menu" button on the remote control or projector cabinet to display the Main Menu. 2. Press the "Select" button on the projector cabinet or ( ) ( ) buttons on your remote control to highlight the menu for the item you want to adjust.
  • Page 32: Menu Descriptions & Functions

    Press the "Select" button on the projector cabinet or ( ) ( ) buttons on your remote control to highlight the menu for the item you want to adjust.
  • Page 33 Use the “Adjust” (+) or (–) buttons to adjust the volume. Image Mode Use the "Select" button on the projector cabinet or ( ) ( ) buttons on your remote control to select the item you want to adjust. NOTE: Input and Display modes are not available for PC CARD.
  • Page 34 Brightness Use the “Adjust” (+) or (–) buttons to adjust the brightness. Contrast Use the “Adjust” (+) or (–) buttons to adjust the contrast. Color* Use the “Adjust” (+) or (–) buttons to adjust the color. Tint* Use the “Adjust” (+) or (–) buttons to adjust the tint. Sharpness* Use the “Adjust”...
  • Page 35: Power Menu(Projector Control Icons)

    “Power On” button on the remote control for ten seconds to reset the lamp clock back to zero. NOTE: The projector will turn off and go into stand by mode after 1100 hours of service. If this happens, press the "Power Off" button on the remote control for ten seconds to reset the lamp clock back to zero.
  • Page 36: Settings Menu(Maintenance Icons)

    Capture (with the optional viewer board installed only) When the Capture is selected, press "Enter" on the projector cabinet or Left Click button on the remote control to display "Execute" and "capture" an image from a source that is currently being displayed.
  • Page 37: Using The Viewer Function

    Using the Viewer function If you use the Viewer function on the projector, you must first install the optional LT Viewer board (VK-LT or VK-LT81) in the projector and set up the exclusive software included with the VK-LT or VK-LT81 kit.
  • Page 38 3. Put the board in place and secure it with the four screws supplied with the VK-LT board. 2. Remove the screw from the board cover. 4. Attach the two foot caps to adjust projector height. After complet- ing, put the projector back in the original position. OPERATION...
  • Page 39 * The type of flash/CF memory card required for use in the projector is a Type II PCMCIA-ATA flash memory card for LT100 and CF card for LT81. Never use a different type of card, doing so may result in damage to the card or PC card slot.
  • Page 40 Selecting a File from a List of Files * The Viewer feature allows you to store one or more presentation materials in a single flash/CF memory card. Each material is referred to as a "file" or "slide". To select a file from a list of files 1.
  • Page 41 SLIDE+ advances to the next slide. NOTE: Editing tasks such as deleting the data inside the flash memory card cannot be accomplished with the projector. Use the exclusive soft- ware on your PC for this purpose. If you accidentally delete data re- quired for playback, playing back the data is not possible.
  • Page 42: Maintenance

    1000 hours 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 43: Remote Control Battery Installation

    Remote Control Battery Installation 1. Press firmly and slide the battery cover off. 2. Remove both old batteries and install new ones (AA). Ensure that you have the batteries' polarity (+/–) aligned correctly. 3. Slip the cover back over the batteries until it snaps into place. Operating Range Range of 360˚...
  • Page 44 4. Faire glisser le couvercle de la lampe dans la direction de la flèche et le déposer. ATTENTION : ne pas utiliser une autre lampe que la lampe de remplacement NEC. Commander celle-ci auprès du détaillant NEC à l'aide du numéro de modèle du projecteur.
  • Page 45 Installation des piles de la télécommande 1. Appuyez fermement et retirez le couvercle des piles en le faisant glisser. 2. Retirez les deux piles usagées et installez de nouvelles piles (AA). Assurez-vous de respecter la polarité (+/–) des piles. 3. Remettez le couvercle des piles en le faisant glisser, jusqu’à ce qu’il s’emboîte. Portée de fonctionnement Portée de 360 degrés et d'une distance de 7 mètres du capteur le télécommande.
  • Page 46: Troubleshooting

    T R O U B L E S H O O T I N G This section helps you resolve problems you may encounter while setting up or using your MultiSync LT81/LT100 Projector. Status Light Messages Condition On Continually Blinking very rapidly (On and off in a cycle of 1 sec.)
  • Page 47: Common Problems & Solutions

    • Check that the power cable is plugged in and that the power switch on the back panel is on. • Ensure that the lamp cover and lamp housing are installed correctly. (See page 81.) • Check the status light to see if the projector has overheated or the lamp usage exceeds 1100 hours.
  • Page 48: Specifications

    LT100: (H : 15 – 85 kHz, V : 50 – 85 Hz) RGB: 60 MHz Full color, 16.7 million colors simultaneously. NTSC / YCbCr 550 (LT81 : 500), PAL 350, SECAM 350, NTSC4.43 350 TV lines RGB LT81: 800 dots horizontal, 600 dots vertical LT100: 1024 dots horizontal, 768 dots vertical 100 –...
  • Page 49: Cabinet Dimensions

    Cabinet Dimensions (LT81) 12.2" 0.6" (310) (15) 0.4" (11) Lens Center 0.9" (23) Lens Center 5.1" (129.6) 3.9" 0.7" (98) (17) 3.4" (85.6) Unit : inch (mm) SPECIFICATIONS...
  • Page 50 Cabinet Dimensions (LT100) 12.6" 0.79" (320) (20) Lens Center Lens Center 5.6" (142) 4.5" 0.53" (114) (13.5) Unit : inch (mm) SPECIFICATIONS...
  • Page 51: D-Sub Pin Assignments

    D-Sub Pin Assignments PC 15-Pin mini D-Sub Pin No. Signal to be connected Green Blue Red GND Green GND Blue GND No Connection Digital GND No Connection Horizontal Sync Vertical Sync No Connection PC 15-Pin mini D-Sub SPECIFICATIONS...
  • Page 52: Timing Chart

    56.25 49.725 57.283 35.5 44.9 48.363 57.476 1024 768 and 832 624 images are com- 58.131 pressed into 800 600 on LT81. 60.241 60.023 78.75 68.677 94.5 49.7 # 1152 870, # 1152 900 and # 1280 1024 68.7 images are compressed into 1024 768 on 61.769...
  • Page 53: Pc Control Command Reference

    PC Control Command Reference Command Codes Function Code Data Description Video S-Video C6H No PC CARD Power On Power Off Picture Mute Audio Mute Onscreen Mute Reset D Up DEH No D Down DFH No D Right DCH No D Left DDH No D Right Up D Left Up...
  • Page 54 Command Codes (continued) Function Code Data Description Display Mode Select 1FH Power Management On Power Management Off 16H Digital Zoom W Digital Zoom T 8AH No Brightness Contrast Color Tint Sharpness Audio Volume 6AH Yes Picture Adj Fine Picture 6EH Yes H Position Yes -128 (80H) ––...
  • Page 55: Cable Connection

    None Full duplex Communications procedure: If the CPU of the projector has received the data correctly, it returns an ACK(C5H). If the received data is not correct, the CPU returns a NAK(CAH), then the following status: Receiving success: Receiving failure:...

This manual is also suitable for:

Multisync lt100