NEC Technologies Projector User’s Manual MultiSync LT 81 /100 ® ™ ™ Ultra-Portable Projector Ultra-Portable Projector NEC Technologies, Inc. 1250 N. Arlington Heights Road, Suite 500 Itasca, Illinois 60143-1248 Part No.
I M P O R T A N T I N F O R M A T I O N 1 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. The power outlet socket should be installed as near to the equipment as possible, and should be easily accessible.
Important Safeguards These safety instructions are to ensure the long life of your projector and to prevent fire and shock. Please read them carefully and heed all warnings. Installation 1. For best results, use your projector in a darkened room. 2. Place the projector on a flat, level surface in a dry area away from dust and moisture. 3. Do not place your projector in direct sunlight, near heaters or heat radiating appliances. 7. If installing the projector on the ceiling: a.
5 ATTENTION RISQUE D’ELECTROCUTION NE PAS OUVRIR ATTENTION Pour couper l'alimentation principale, s'assurer de retirer la fiche de la prise de courant. La prise de courant murale doit être installée le plus près possible de l'équipement, et doit être facilement accessible. Télécommande LT100 Télécommande LT81 ATTENTION ATTENTION RAYONNEMENT LASER NE PAS REGARDER DANS LE FAISCEAU RAYONNEMENT LASER NE PAS REGARDER DANS LE FAISCEAU LONGUEUR D’ONDE: 670 nm MAX.
7 4. La fumée, la vapeur et l’exposition aux rayons directs du soleil risquent de détériorer sérieusement les composantes internes. 5. Eviter des manipulations brusques lors du déplacement du projecteur, car un choc violent pourrait endommager les composantes internes. 6. Ne pas deposer d’objets lourds sur le dessus du projecteur. 7. Lors de l’installation du projecteur au plafond, respecter les instructions suivantes. a.
L I M I T E D W A R R A N T Y NEC MultiSync Projector Products ® 9 NEC Technologies, Inc. (hereafter NECTECH) warrants this product to be free from defects in material and workmanship under the following terms. 2. Any product on which the serial number has been defaced, modified or removed. NECTECH’S LIABILITY FOR ANY DEFECTIVE PRODUCT IS LIMITED TO THE REPAIR OR REPLACEMENT OF THE PRODUCT AT OUR OPTION. REPLACEMENT PRODUCTS MAY BE NEW OR ‘LIKE NEW’. HOW LONG IS THE WARRANTY? 3.
T A B L E O F C O N T E N T S 11 1. Introduction 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 .............................................
1 I N T R O D U C T I O N This section introduces you to your new MultiSync LT81 (SVGA)/ LT100 (XGA) Projector, provides a list of materials that comes with your projector and describes the features and controls. Congratulations On Your Purchase Of The MultiSync LT81/LT100 Projector The MultiSync LT81/LT100 is one of the very best projectors available today.
15 How Do You Get Started? Remote control Mouse adapter (For IBM PS/2) The fastest way to get started is to take your time and do everything right the first time. Take a few minutes now to click through the training CD-ROM and review the user’s manual. This may save you hours 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. What’s In The Box? Make sure your box contains everything listed.
17 Getting To Know Your MultiSync LT81/LT100 Projector Front Features Top features Monaural Speaker (1W) O N /O FF R N TE E O P M C T LE TU S E S R TA S W E M E U Cooling Fan Remote Sensor Ventilation One-Touch Tilt Button (LT100 only) Rear Foot (Adjustable on LT100 only) Adjustable Foot Lens and lens Cap Focus Ring Terminal Panel Zoom Ring Lever One-Touch Tilt Button (LT100 only) Remote Sensor Adjustable Foot Rear Features Lever-type Rear Foot (LT81 only) M TU S R TA E S N T
19 Top Features 1 Power Button Use this button to turn the power on and off when Main Power Switch is on and the projector is on standby. R E O N /O FF E N TE R P O W S S TA E TU LE S C T M E M U 2 Enter Button Executes your menu selection. 3 Select (▲▼§ ©) / (+)(–) Buttons Select: After you press the “Menu” button, use the ▲ or ▼ button to (▲▼§ ©) select the menu icon of the item you wish to adjust.
21 Terminal Panel Features 2 1 This panel is located in the side and is where you connect your cables. 3 1 Remote Control Jacks (LT100 only) a. Remote Control Input Jack Connect your remote control cable here for wired operation. b. Remote Control Output Jack This terminal enables you to operate up to five projectors with the same remote control. When your remote mouse receiver is connected here, the remote sensors on the projector cabinet will receive your mouse commands.
23 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. VIDEO INPUT INPUT Even if VIDEO is selected, the video image input to the RGB INPUT terminal is output. 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.
25 Remote Control Features 3 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.) 2 NOTE: If you are using a Macintosh computer, you can click either the right or left button to activate the mouse.
27 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. This button is also used to adjust screen position. Push (+) or (–) to select the submenu you want to adjust. 13 Right Click Button Press this button to exit "Menus" or "Position." 14 Freeze Button This button will freeze a video image.
I N S T A L L A T I O N 29 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 R O N /O FF E N TE R P O S W E S TA E LE TU S C T M E M U 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. Set up a screen or select a non-glossy white wall onto which you can project your image.
31 Projection Distance Wide Screen size inch 40” 60” 70” 80” 90” 100” 120” 150” 180” 200” 240” 270” 300” Projection angle α Degree 14.8 14.8 14.7 14.7 14.6 14.6 14.6 14.6 14.5 14.5 14.5 14.5 14.5 Screen width H inch 32 48 56 64 72 80 96 120 144 160 192 216 240 mm 813 1219 1422 1626 1829 2032 2438 3048 3658 4064 4877 5486 6096 inch 65.2 97.8 114.8 131.6 148.3 164.8 198.5 248.7 298.9 332.3 399.2 449.4 500.
33 Unit (inch) H (inch) = Width of screen A = C / cosα B = 3.7H / 25.4 C (WIDE) = (2.0262H) – 2.437 C (TELE) = C (WIDE)21.3 D=E/2 E = H / 423 Desk top Screen C Screen center E A Unit (mm) H (inch) = Width of screen A = C / cosα B = 3.7H C (WIDE) ={(2.0262H) – 2.437} 225.4 C (TELE) = C (WIDE)21.3 D=E/2 E = H / 423 D Screen bottom α B Projector feet LT100 : 3.8” (97mm) LT81 : 3.4” (85.6mm) Ceiling mount C LT100 : 3.8” (97mm) LT81 : 3.4” (85.
35 Using A Tabletop Or Cart (A) Top view screen 1. Place your projector on a flat level surface at the optimal distance from the screen or wall so you realize the size image you want. (Avoid having bright room lighting or sun light directly on the screen or wall where you'll be projecting the image.) 2. Connect the power cable, remove the lens cap and turn the projector on. (If no input signal is available, the projector will display a background image.) (B) Side view 3.
37 Transporting and storing the projector 3. Put the projector in the large compartment of the case. 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. Remove any accessories. STATU POWE S R ON / OFF + ENTER - SELEC T MEMU Projector 4. Zip up the sides of the case. 2. Unfold carrying case.
39 Transporting and storing the projector [LT100] 3. Hold the projector by it’s handle and slide it into the large compartment of the carrying case. 1. Unfold carrying case. Projector SELECT MEMU ON / OFF ENTER AC IN POWER STATUS 2. Zip up the sides of the case. 4. Zip up the top of the case. Zipper 5. Unlatch the belt and then place your notebook computer into the front pouch. Note book PC 7. Store the remote control and other accessories in the side pouches on the carrying case.
41 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). Do not expose the projector to moisture, dust, or smoke. This will harm the screen image. Ensure that you have adequate ventilation around your projector so heat can dissipate.
43 Wiring Diagram VIDEO INPUT INPUT OUTPUT REMOTE CONTROL S-VIDEO VIDEO L(MONO) -R-AUDIO PC CONTROL OUTPUT RGB INPUT OUTPUT RGB AUDIO RGB AUDIO Document Camera To video, S-video, and audio inputs on the projector 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 Pin adapter for Macintosh (supplied) IBM VGA or Compatibles PS/2 mouse adapter (supplied) Macintosh or Compatib
45 Connecting Your PC Or Macintosh Computer Connecting your PC or Macintosh computer to your MultiSync LT81 (SVGA)/ LT100 (XGA) Projector will enable you to project your computer's screen image for an impressive presentation.
47 Settings for Monitor Mode Number of DIP switch S1 S2 S3 S4 S5 S6 S7 S8 Monitor size ON 15” multi-scan mode /16”–13” 17” multi-scan mode /19”–13” ON ON ON 19” multi-scan mode /21”–13” 13” fixed mode /6402480 ON ON ON ON VGA/SVGA mode 16” fixed mode /8322624 ON ON 19” fixed mode /10242768 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.
49 Changing Video Resolutions Depending on your computer's graphic capability, you may be able to select one of several resolutions. Generally a computer- either a PC or Macintosh- with 1 meg. of memory will run: 6402480 at 16.7 million colors (24 bit Truecolor) 8002600 at 65 thousand colors. 10242768 at 256 colors. As the resolution increases, the number of colors you can run decreases. With 2 meg. of memory a computer will run: 6402480 at 16.7 million colors (24 bit Truecolor). 8002600 at 16.
51 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-RCA23 cable to connect your DVD player to the RGB INPUT connector on the LT81/LT100.
53 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. Turn off your computer. 2. For PCs: Remove your current mouse and connect the serial cable from the remote mouse receiver to your PC's mouse port. (Use the 6-pin adapter for connecting to a PS/2 computer.
55 m The Remote Mouse Receiver as a mouse for your computer Serial cable (supplied) m The Remote sensors on the projector cabinet work as the remote sensor on the Remote Mouse Receiver (LT100 only) Remote cable (supplied with LT100 only) Serial cable (supplied) Remote Control Output Insert the supplied remote cable here. m You can daisy-chain as many as five projectors and operate them with the same remote control. (LT100 only) To do so: 1. Turn off your computer. 2.
3 O P E R A T I O N 57 This section describes how to select a computer or video source and how to adjust the picture and sound. General Controls Before you turn on your MultiSync LT81/LT100 Projector, ensure that the computer or video source is turned on and that your lens cap is removed. 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.
59 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. 3. Press the "Enter" button on the projector cabinet or the "Left Click" button on the remote control to select a submenu or item. 4.
61 Menu Descriptions & Functions Source Menu Enables you to select a video source such as a VCR, DVD player, laser disk player, computer or document camera depending on what is connected to your inputs. 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. Video Selects device connected to your video input (VCR, document camera, laser disk player or DVD player).
63 Image Adjustment Menu Provides access to controls for your image and sound. Use the “Select” button on the projector cabinet or (▲) (▼) buttons on your remote control to highlight the menu for the item you want to adjust. The volume, image mode, brightness, contrast, color, tint, sharpness and white balance controls are available for Video or S-Video sources.
65 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” (+) or (–) buttons to adjust the sharpness. White Balance Use the Mouse pad (+) or (–) buttons to adjust the white balance. For Video/RGB ...
67 Power Menu Provides access to Lamp Usage information, the Auto Start, Power Management and Onscreen Mute features. Use the “Select” button on the projector cabinet or (▲) (▼) buttons on your remote control to access a submenu. Then press “Adjust” (+) or (–) to choose a specific option. Lamp Usage This tells you how long the lamp has been in operation. It is recommended that you replace a lamp after 1000 hours of service.
69 Settings Menu Enables you to set preferences and other operating options. Use the “Select” button on the projector cabinet or (▲) (▼) buttons on your remote control to access the submenu you want. Custom Memory This enables you to save your current settings for an RGB source in one of five memories, Custom 1-5. To change the STANDARD settings, proceed as follows: 1. Connect your computer to the MultSync LT81/LT100. 2. Select the "STANDARD" in RGB source. 3.
71 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. See the user's manual included with the Viewer board for installing and uninstalling the software. Mounting the Optional LT81 Viewer Board (VK-LT81) Before mounting the viewer board, you must first switch off the main power and unplug the power cable.
73 Mounting the Optional LT100 Viewer Board (VK-LT) Before mounting the viewer board, you must first switch off the main power and unplug the power cable. To install the VK-LT Viewer board: 1. Turn the projector so that the bottom is up. 2. Remove the screw from the board cover. 3. Put the board in place and secure it with the four screws supplied with the VK-LT board. 4. Attach the two foot caps to adjust projector height. After completing, put the projector back in the original position.
75 Projecting Slides Orientation of flash memory card and CompactFlash™ (CF™) memory card insertion. The flash memory card has a front and a back side and the flash/CF memory card is designed to be inserted in only one orientation. The card is designed so that it cannot be inserted in reverse. Trying to force the card into slot may result in damage to the card and the card slot. See the flash/CF memory card manual for information about the orientation of the flash/CF memory card.
77 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. Press the Menu button on the remote control or cabinet to select "PC Card". 3.
79 Switching Slides To switch slides, press "SLIDE +" or "SLIDE –" button. This will cancel the Auto Play mode. To set the Auto Play mode, press the Menu button to select “Start” from the Source menu and press the Enter button on the cabinet or the Left Click button on the remote control. This is valid only when the Auto Play mode is selected. See more information about “Auto Play mode” for the Help file included with the Viewer board. * SLIDE– returns to the previous slide.
4 M A I N T E N A N C E 81 This section describes the simple maintenance procedures you should follow to replace the lamp and replace the batteries in the remote control. LT100 LT81 Replacing The Lamp After your lamp has been operating for 1000 hours or longer, the “status” light in the cabinet will turn red. Even though the lamp may still be working, replace it at 1000 hours to maintain optimal projector performance. Step 3 CAUTION • DO NOT TOUCH THE LAMP immediately after it has been used.
83 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˚ and a distance of 23 feet (7 m) from the remote sensor.
85 Cette section décrit les procédures simples d’entretien que vous aurez à suivre pour remplacer la lampe et remplacer les piles de la télécommande. LT100 LT81 Remplacement de la lampe Lorsque la lampe a été utilisée pendant 1000 heures ou plus, le voyant “Status” (état) du coffret s’allume. Même si la lampe peut encore fonctionner, remplacez-la au bout de 1000 heures pour conserver une performance optimale de votre projecteur. PRECAUTIO N • NE TOUCHEZ PAS A LA LAMPE juste après qu’elle a été utilisée.
87 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.
5 T R O U B L E S H O O T I N G 89 This section helps you resolve problems you may encounter while setting up or using your MultiSync LT81/LT100 Projector. Status Light Messages Condition Status OFF m Normal On Continually m The projector lamp has exceeded 1000 hours of operation and should be replaced. Blinking very rapidly (On and off in a cycle of 1 sec.) m The lamp housing is not correctly installed. Install it correctly. Blinking rapidly (On and off in a cycle of 4 sec.
91 Common Problems & Solutions Problem Check These Items Does not turn on • 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. No picture • • • • • • Image isn’t square to the screen • Reposition the projector to improve its angle to the screen.
6 S P E C I F I C A T I O N S 93 This section provides technical information about the MultiSync LT81/LT100 Projector's performance. Optical DMDTM Lens Single Chip Digital Micromirror Device(DMDTM), 8002600 dots (LT81) / 10242768 dots (LT100) Manual zoom, manual focus F 2.44 f =26-30 mm Lamp Metal halide lamp 280 W Image Size 610-7620 mm (24-300 inches) diagonal Projection Distance 1.2 – 12.3m Electrical Inputs Video Bandwidth Video (NTSC / PAL / SECAM / NTSC 4.
95 Cabinet Dimensions (LT81) 12.2" (310) 0.6" (15) 5.1" (129.6) 3.9" (98) 0.7" (17) 9.3" (235) 0.4" (11) 3.4" (85.8) Lens Center 0.9" (23) MAX 3.4" (85.6) 3.4" (85.
97 Cabinet Dimensions (LT100) 12.6" (320) MAX 0.79" (20) 5.6" (142) 0.53" (13.5) 9.8" (250) 4.5" (114) 3.3" (83.4) Lens Center 0.2" (5) 3.8" (97) 5.
99 D-Sub Pin Assignments PC 15-Pin mini D-Sub Pin No.
101 Timing Chart Y/N Signal Resolution 6402480 7682576 7682576 6402350 6402400 6402400 6402400 6402480 6402480 6402480 6402480 6402480 6402480 6402480 6402480 6402480 7202350 7202400 7202400 7202350 Refresh Rate (Hz) 60 50 50 85.08 70 85.08 66 59.94 60 60 66.7 66.67 72.81 75 75 85.01 70.09 70.09 85.04 87.85 F.H. (kHz) 15.734 15.625 15.625 37.86 31.47 37.86 35 31.47 31.47 31.47 34.97 35 37.86 37.5 39.375 43.269 31.469 31.4469 37.927 39.44 Dot Clk(MHz) 31.5 25.175 31.5 30.24 25.175 25.175 25.175 31.
103 PC Control Command Reference Command Codes No.
105 Command Codes (continued) No.
107 Cable Connection Communication Protocol Baud rate: 9600 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: None Full duplex Communications procedure: If the CPU of the projector has received the data correctly, it returns an ACK(C5H).