NEC LT81 manual

Part No. 78409942 Printed in Japan Ultra-Portable Projector Ultra-Portable Projector Projector User’ s Manual NEC Technologies, Inc. 1250 N. Arlington Heights Road, Suite 500 Itasca, Illinois 60143-1248 MultiSync ® LT 81 ™ /1 0 0 ™ NEC Technologies[...]

RF Inter ference W ARNING The Federal Communications Commission does not allow an y modif ications or changes to the unit EXCEPT those specified by NEC T echnologies in this manual. Failure to comply with this go vernment regulation could void your right to operate this equipment. This equipment has been tested and found to comply with the limits f[...]

Cleaning 1. Unplug the projector before cleaning. 2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use a mild detergent. Ne ver use strong deter gents or solvents such as alcohol or thinner . 3. Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens. Lamp Replacement • Perform lamp repla[...]

Ce symbole a pour but de prév enir l’utilisateur de la présence d’une tension dangereuse, non isolée se trouvant à l’intérieur de l’appareil. Elle est d’une intensité suff isante pour constituer un risque d’électrocution. Eviter le contact av ec les pièces à l’intérieur de cet appareil. Ce symbole a pour but de prév enir l?[...]

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 [...]

NEC MultiSync ® Pr ojector Pr oducts NEC T echnologies, 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 f or (2) two years from the date of the first customer purchase. The lamp is warr anted for 1000 hours of opera[...]

1. Introduction Introduction T o The MultiSync L T81/L T100 Projector .................................... 1 3 How Do Y ou Get Started? ................................................................................ 15 Wha t ’ s In T h e B o x? ......................................................................................... 15 Getting T[...]

This section introduces you to your ne w MultiSync L T81 (SVGA)/ L T100 (XGA) Projector, pro vides 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 L T81/L T100 is one of the very best projectors a vailable today . The Mul[...]

How Do Y ou Get Started? The fastest way to get star ted is to take your time and do everything right the first time. T ake a few minutes no w to click through the training CD-R OM and revie w the user’ s manual. This may sa ve you hours later on. At the beginning of each section of the manual you'll find an o v ervie w . If the section does[...]

Getting T o Know Y our MultiSync L T81/L T100 Projector Front Features T op features 17 INTRODUCTION 18 MEMU SELECT ENTER STATUS POWER ON / OFF Monaural Speaker (1W) Remote Sensor Ventilation Lens and lens Cap Focus Ring One-T ouch Tilt Button (L T100 only) Adjustable Foot Cooling Fan Rear Features MEMU SELECT ENTER STATUS POWER ON / OFF AC IN Remo[...]

T op Features 1 P ower Button Use this button to turn the po wer on and off w hen Main Po wer Switch is on and the projector is on standby . 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 t[...]

T erminal Panel Features This panel is located in the side and is where you connect your cables. 1 Remote Control Jac ks (L T100 only) a. Remote Contr ol Input Jack Connect your remote control cable here for wired operation. b . Remote Control Output Jac k This terminal enables you to operate up to fi ve projectors with the same remote control. Whe[...]

5 RGB Output Connector (Mini D-Sub 15 pin) Y ou 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 Y ou can use this jack to loop your audio to an external monitor from the VIDEO audio input [...]

Remote Contr ol Features Y ou can use your wireless remote control to operate your MultiSync L T81/ L T100 Projector . W ith the remote mouse recei ver 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 receiv er to your computer .) NOTE : If you[...]

MAGNIFY SLIDE VOLUME POSITION FREEZE PIC-MUTE OFF VIDEO MENU LASER R-CLICK RGB PC CARD S-VIDEO ON POWER + - ++ + -- - 27 11 Laser Button Press and hold this button to acti v ate 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 P o[...]

This section describes ho w to set up your MultiSync L T81/L T100 projector and how to connect video and audio sources. Setting Up Y our MultiSync L T81/L T100 Projector Y our MultiSync L T81/L T100 Projector is simple to set up and use. But before you get started, you must f irst: 1. Determine the image size 2. Set up a screen or select a non-glos[...]

31 INST ALLA TION 32 Wide Screen size Projection angle α Screen width H A B Projection distance C D E inch Degree inch mm inch mm inch mm inch mm inch mm inch mm 40” 60” 70” 80” 90” 100” 120” 150” 180” 200” 240” 270” 300” 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 32 48 56 64 72 80 96 120 144 160 192[...]

33 INST ALLA TION 34 Desk top Ceiling mount C A Screen center D E B L T100 : 3.8” (97mm) L T81 : 3.4” (85.6mm) Projector feet α Projector feet C α D E B A Unit (inch) H (inch) = Width of screen A = C / cos α B = 3.7H / 25.4 C (WIDE) = (2.026 2 H) – 2.437 C (TELE) = C (WIDE) 2 1.3 D = E / 2 E = H / 4 2 3 Unit (mm) H (inch) = Width of screen[...]

Using A T abletop Or Car t 1. Place your projector on a flat lev el surface at the optimal distance from the screen or wall so you realize the size image you want. (A void ha ving 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 [...]

37 INST ALLA TION 38 T ranspor ting 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 . T o use the carrying case follow the directions belo w: [L T81] M EM U S ELEC T - + E N TE[...]

39 INST ALLA TION 40 T ranspor ting and storing the projector [L T100] MEMU SELECT ENTER STATUS POWER ON / OFF AC IN 2 1 Projector Zipper Note book PC Other Accessories 2. Zip up the sides of the case. 3. Hold the projector by it’ s handle and slide it into the large compartment of the carrying case. 5. Unlatch the belt and then place your notebo[...]

W ARNING • Only use your projector on a solid, level surface. If the projector falls to the ground, you can be injured and the projector s everely damaged. • Do not use the projector where temperatures vary g reatly . The projector must be used at temperatures between 41˚F (5˚C) and 9 5 ˚F (35 ˚C). • Do not expose the projector to moistur[...]

PC CONTROL VIDEO INPUT RGB INPUT OUTPUT OUTPUT S-VIDEO VIDEO L ( MONO ) - R - AUDIO OUTPUT INPUT RGB RGB AUDIO AUDIO REMOTE CONTROL Document Camera VCR, Laser Disk Player or DVD Player Wiring Diagram T o video, S-video, and audio inputs on the projector 43 IBM VGA or Compatibles Macintosh or Compatibles (Desk top type) Remote Mouse Receiver PS/2 mo[...]

Connecting Y our PC Or Macintosh Computer Connecting your PC or Macintosh computer to your MultiSync L T81 (SVGA)/ L T100 (XGA) Projector will enable you to project your computer's screen image for an impressi v e presentation. All of these following display standards are supported: * indicates that this resolution is supported by L T100 only [...]

Settings for Monitor Mode Number of DIP switch Monitor size 15” multi-scan mode /16”–13” 17” multi-scan mode /19”–13” 19” multi-scan mode /21”–13” 13” fixed mode /640 2 480 VGA/SVGA mode 16” fixed mode /832 2 624 19” fixed mode /1024 2 768 47 INST ALLA TION 48 S1 ON ON ON ON S2 S3 S4 ON S5 ON ON S6 ON S7 ON S8 ON NOTE:[...]

Changing Video Resolutions Depending on your computer's graphic capability , you may be able to select one of sev eral resolutions. Generally a computer- either a PC or Macintosh- with 1 meg. of memory will run: 640 2 480 at 16.7 million colors (24 bit T ruecolor) 800 2 600 at 65 thousand colors. 1024 2 768 at 256 colors. As the resolution inc[...]

Connecting Y our DVD Player Y ou can connect your MultiSync L T81/L T100 Projector to a DVD pla yer with the component outputs or V ideo output. T o do so, simply: 1. T urn of f the power to your pr ojector and D VD player . 2. If your D VD player has the component video (Y ,Cb,Cr) output use the optional 15-pin-to-RCA 2 3 cable to connect your DVD[...]

Connecting Y our Remote Mouse Receiver The remote mouse recei ver enables you to operate your computer's mouse functions from the NEC MultiSync L T81/ L T100 remote control. It is a great conv enience f or clicking through your computer -generated presentations. T o connect the remote mouse receiv er: 1. T urn of f your computer . 2. For PCs: [...]

m The Remote Mouse Receiver as a mouse for y our computer INST ALLA TION 55 56 Serial cable (supplied) Serial cable (supplied) Remote cable (supplied with L T100 only) Remote Control Output m The Remote sensors on the pr ojector cabinet w ork as the remote sensor on the Remote Mouse Receiver (L T100 only) m Y ou can daisy-chain as man y as five pr [...]

This section describes how to select a computer or video source and how to adjust the picture and sound. General Contr ols Before you turn on your MultiSync L T81/L T100 Projector, ensure that the computer or video source is turned on and that your lens cap is remov ed. 1. T urn On The Pr ojector The main power switch is on the back panel of the Mu[...]

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 cabi[...]

Enables you to select a video source such as a VCR, DVD player , laser disk player , compu- ter 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 c[...]

Image Adjustment Menu 63 OPERA TION 64 Provides access to controls for your image and sound. Use the “Select” b utton on the projector cabinet or ( ▲ ) ( ▼ ) buttons on your remote control to highlight the menu for the item y ou want to adjust. The volume, image mode, brightness, contrast, color , tint, sharpness and white balance controls [...]

65 OPERA TION 66 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” (+)[...]

Provides access to Lamp Usage information, the Auto Start, Power Management and On- screen Mute features. Use the “Select” button on the projector cabinet or ( ▲ ) ( ▼ ) buttons on your remote control to access a submenu. T hen press “ Adjust” (+) or (–) to choose a specific option. Lamp Usage This tells you how long the lamp has been[...]

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 w ant. Custom Memory This enables you to sa ve your current settings for an RGB source in one of fi ve memories, Custom 1-5. T o change the ST ANDA[...]

71 OPERA TION 72 Using the V iewer function If you use the V iewer function on the projector , you must f irst install the optional L T V iewer board (VK-L T or VK-L T81) in the projector and set up the exclusi ve software included with the VK-L T or VK-L T81 kit. See the user's manual included with the V ie wer board for installing and uninst[...]

2. Remove the scre w fr om the board cov er . 3. Put the board in place and secure it with the four scre ws supplied with the VK-L T board . 4. Attach the two foot caps to adjust projector height. After complet- ing, put the projector back in the original position. 73 OPERA TION 74 Mounting the Optional L T100 Viewer Board (VK-L T) Before mounting [...]

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 rev erse. T rying to force the card into slot may result in dam[...]

Selecting a File from a List of Files * The V iewer feature allo ws 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". T o select a file from a list of files 1. Press the Menu b utton on the r emote control or cabinet to select "PC Card"[...]

Switching Slides T o switch slides, press "SLIDE +" or "SLIDE –" button. This will cancel the Auto Play mode. T o 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 b utton on the remote control. This is valid only w hen the Auto [...]

This section describes the simple maintenance procedures you should follow to replace the lamp and replace the batteries in the remote control. Replacing The Lamp After your lamp has been operating for 1000 hours or longer , the “sta- tus” light in the cabinet will turn red. Even though the lamp may still be working, replace it at 1000 hours to[...]

83 Remote Contr ol Batter y Installation 1. Press firmly and slide the ba ttery cov er 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. MAINTENANCE 84 Operating Range Range of 360˚ and a di[...]

Etape 3 Etape 4 Etape 5 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. 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 enc[...]

87 MAINTENANCE 88 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’[...]

This section helps you resolv e problems you may encounter while setting up or using your MultiSync L T81/L T100 Projector . Status Light Messages TROUBLESHOOTING 5 89 Status m Normal m The projector lamp has exceeded 1000 hours of operation and should be replaced. m The lamp housing is not correctly installed. Install it correctly . • The temper[...]

Common Pr oblems & Solutions Problem Does not turn on No picture Image isn’t square to the screen Picture is blurred Check These Items • 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 ligh[...]

This section pro vides technical information about the MultiSync L T81/L T100 Projector's perf ormance. Optical DMD TM Single Chip Digital Micromirror De vice(DMD TM ), 800 2 600 dots (L T81) / 1024 2 768 dots (L T100) Lens 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[...]

Cabinet Dimensions (L T81) 95 Unit : inch (mm) SPECIFICA TIONS 96 12.2" (310) 9.3" (235) 3.4" (85.6) 0.6" (15) 0.9" (23) MAX 3.4" (85.6) Lens Center 0.4" (11) 5.1" (129.6) 3.9" (98) 0.7" (17) 3.4" (85.8) Lens Center[...]

Cabinet Dimensions (L T100) 97 Unit : inch (mm) SPECIFICA TIONS 98 12.6" (320) 5.2" (133) 3.8" (97) 0.2" (5) MAX 0.79" (20) 5.6" (142) 4.5" (114) 0.53" (13.5) 3.3" (83.4) 9.8" (250) Lens Center Lens Center[...]

D-Sub Pin Assignments PC 15-Pin mini D-Sub Pin No . Signal to be connected 1 Red 2 Green 3 Blue 4 GND 5 GND 6 Red GND 7 Green GND 8 Blue GND 9 No Connection 10 Digital GND 11 GND 12 No Connection 13 Horizontal Sync 14 V er tical Sync 15 No Connection 1 2 3 4 5 11 12 13 14 15 6 7 8 9 10 PC 15-Pin mini D-Sub 99 SPECIFICA TIONS 1 0 0[...]

Timing Chart 101 SPECIFICA TIONS 1 0 2 Y/N Signal Resolution Refresh F .H. Dot Rate (Hz) (kHz) Clk(MHz) Y NTSC 640 2 480 60 15.734 - Y P AL 768 2 576 50 15.625 - Y SECAM 768 2 576 50 15.625 - Y VESA 640 2 350 85.08 37.86 31.5 Y IBM 640 2 400 70 31.47 25.175 Y VESA 640 2 400 85.08 37.86 31.5 Y MA C 640 2 400 66 35 30.24 Y VESA 640 2 480 59.94 31.47 [...]

103 01 V ideo 03H No Same as remote 02 RGB 04H No Same as remote 03 S-V ideo C6H No Same as remote 04 PC CARD 27H No Same as remote (av ailable only when V ie wer kit is connected to) 05 Power On 08H No Same as remote 06 Power Of f 14H No Same as remote 07 Picture Mute 47H No Same as remote 08 Audio Mute 45H No 09 Onscreen Mute 11H No 10 Reset 43H [...]

Command Codes (continued) No. Function Code Data Description 105 SPECIFICA TIONS 10 6 32 Display Mode Select 1FH Y es 0 Normal Aspect 1 W ide Aspect 33 Pow er Management On 15H No 34 Pow er Management Off 16H No 35 Digital Zoom W 89H No Same as remote 36 Digital Zoom T 8AH No Same as remote 37 Brightness 60H Y es 0 (00H) –– 63 (3FH) 38 Contrast[...]

Cable Connection Communication Pr otocol Baud rate: 9600 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: None Communications Full duplex procedur e: If the CPU of the projector has recei ved the data correctly , it returns an A CK(C5H). If the recei ved data is not correct, the CPU returns a NAK(CAH), then the following status[...]