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NEC LT84/LT140 - page 1
Ultra-P or tab le Projector MultiSync L T84/L T140 User’ s Manual ...
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NEC LT84/LT140 - page 2
E–2 IMPOR T ANT INFORMA TION Precautions Please read this manual carefully before using your NEC MultiSync L T84/L T140 Projector and keep the man ual handy for future reference. Y our serial number is located under the name plate label on the left side of y our MultiSync L T84/L T140. Record it here: CA UTION T o tur n off main po wer , be sure ...
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NEC LT84/LT140 - page 3
E–3 Cleaning 1. Unplug the projector bef ore cleaning. 2. Clean the cabinet periodically with a damp cloth. If hea vily soiled, use a mild detergent. Never use strong detergents or solvents such as alcohol or thinner . 3. Use a blo wer or lens paper to clean the lens, and be careful not to scratch or mar the lens . Lamp Replacement • T o replac ...
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NEC LT84/LT140 - page 4
E–4 Fire and Shock Precautions 1. Ensure that there is sufficient v entilation and that v ents are unobstructed to prev ent the build-up of heat inside your pro- jector . Allow at least 3 inches (10cm) of space between y our projector and a wall. 2. Pre vent f oreign objects such as paper clips and bits of pa- per from f alling into your projecto ...
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NEC LT84/LT140 - page 5
E–5 T ABLE OF CONTENTS 1. INTRODUCTION Introduction to the MultiSync L T84/L T140 Projector .... E-6 Getting Star ted ............................................................ E-6 Getting to Know Y our MultiSync L T84/L T140 Projector .... E-7 F ront Features ......................................................... E-7 Rear Features ......... ...
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NEC LT84/LT140 - page 6
E–6 1. INTRODUCTION Introduction to the MultiSync L T84/L T140 Projector This section introduces you to your ne w MultiSync L T84 (SVGA)/ L T140 (XGA) Projector describes the features and controls. Congratulations On Y our Purchase Of The MultiSync L T84/ L T140 Projector The MultiSync L T84/L T140 is one of the very best projectors a vail- able ...
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NEC LT84/LT140 - page 7
E–7 ...
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NEC LT84/LT140 - page 8
E–8 T op Features 1 Sour ce Button Use this button to select a video source such as a PC, VCR, DVD player or PC Card V ie wer (CompactFlash card installed). 2 A uto Adjust Button Use this button to adjust Position-H/V and Pixel Clock/Phase for an optimal picture. Some signals may not be displayed correctly or take time to switch to another . 3 Me ...
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NEC LT84/LT140 - page 9
E–9 Slot for Kensington MicroSaver Security System T erminal Panel Features PC CONTROL USB RGB INPUT S-VIDEO VIDEO AUDIO L ( MONO ) R PC CARD ACCESS MOUSE OUT 14 56 7 8 9 1 0 C A N C E L ER ON / OFF 11 This panel is located on the left side and is where you connect your cables. 1 USB (Mouse) T erminal Connect a commercially av ailable mouse that ...
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NEC LT84/LT140 - page 10
E–10 Wireless Card Remote Control 1 Sour ce Button Press to select a video source. 2 A uto Adjust Button Use this button to adjust Position-H/V and Pixel Clock/Phase for an optimal picture. Some signals may not be displayed correctly , or in some cases it may take some time for a source to be switched to another . 3 Menu Button Displays the main ...
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NEC LT84/LT140 - page 11
E–11 function remote control only . 6 Enter Button Executes your menu selection and acti va tes items selected fr om the menu. 7 Magnify Button Use the (+) or (–) button to adjust the image size up to 400%. When the Pointer is displayed, the magnified image is displayed at the center of the Pointer . When the Pointer is not displayed, the magni ...
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NEC LT84/LT140 - page 12
E–12 2. INST ALLA TION This section describes how to set up your MultiSync L T84/L T140 projector and how to connect video and audio sources. Setting up Y our Projector Y our MultiSync L T84/L T140 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-glo ...
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NEC LT84/LT140 - page 13
E–13 B D E C A α D H V Unit (inch) A=C/cos α B=3.7H / 25.4 C(XGA:tele)=(2.41 x H)-2.0 or C(XGA:wide) x 1.2 C(XGA:wide)=(2.0 x H)-2.0 C(SV GA:tele)=(2.43 x H)-1.75 or C(SVGA:wide) x 1.2 C(SV GA:wide)=(2.0 x H)-1.9 D=E/2 E=H/4 x 3 a=H/4 x 5 Unit (mm), H= inch A=C/cos α B=3.7H C(XGA:tele)={(2.41 x H)-2.0} x 25.4 or C(XGA:wide) x 1.2 C(XGA:wide)={ ...
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NEC LT84/LT140 - page 14
E–14 W ARNING • Installing your projector on the ceiling must be done by a quali- fied technician. Contact your NEC dealer for more infor ma- tion. * Do not attempt to install the projector y ourself. • Only use your projector on a solid, lev el surface. If the projec- tor falls to the ground, you can be injured and the projector sev erely da ...
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NEC LT84/LT140 - page 15
E–15 Wiring Diagram PC CONTROL USB RGB INPUT S-VIDEO VIDEO AUDIO L ( MONO ) R PC CARD ACCESS MOUSE OUT ...
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NEC LT84/LT140 - page 16
E–16 When using a Macintosh with the projector , set the DIP switches of the supplied pin adapter according to your resolution. After setting, restart your Macintosh. See the following pages for setting of the DIP switches. • When using with a Macintosh, SVGA(800 2 600)/ XGA(1024 2 768) is recommended if your Macintosh supports this mode. • W ...
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NEC LT84/LT140 - page 17
E–17 3.OPERA TION This section describes how to select a computer or video source , ho w to adjust the picture, and ho w to customiz e the menu or projector settings. General Controls Before you turn on your projector , ensure that the computer or video source is turned on and that your lens cap is removed. 1. T urn on the Projector Plug the supp ...
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NEC LT84/LT140 - page 18
E–18 Mein Menu Source Select Adjustments Image Options Projector Options Tools Help Source Select RGB Video S-Video PC Card Viewer Adjustments Picture Volume Image Color Temperature Keystone Factory Default Image Options Image Mode Video Mode Projector Options Menu Setup Tools Capture PC Card Files ChalkBoard Help Contents Source Information Proj ...
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NEC LT84/LT140 - page 19
E–19 Menu Elements: Setup Orientation Page1 Page2 Page3 Front Floor Background Blue Signal Select S-VIDEO Auto VIDEO Auto RGB Auto OK Cancel Setup Page1 Mouse Button Right Hand Left Hand Auto Start Page2 Page3 Power Management Power Off Confirmation Keystone Save Clear Lamp Hour Mater White Segment OK Cancel Sensitivity Fast Medium Slow Brightnes ...
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NEC LT84/LT140 - page 20
E–20 Menu Descriptions & Functions Source Select Enables you to select a video source such as a VCR, D VD player , laser disc player , computer or document camera depend- ing on what is connected to your inputs. Press the “Select” button on the pr ojec- tor cabinet or ▲▼ buttons on your re- mote control to highlight the menu for the i ...
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NEC LT84/LT140 - page 21
E–21 Auto Adjust: When “ Auto Adjust” is set to “On”, the projector automatically determines the best resolution for the current RGB input signal to project an image using NEC’ s Advanced AccuBlend Intelli- gent Pixel Blending T echnology . The image can be automatically adjusted for position and stabil- ity; “Horizontal Position”, ...
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NEC LT84/LT140 - page 22
E–22 V ideo Mode Gamma: Video Mode Gamma Noise Reduction Color Matrix Projector Options Menu Setup Menu Language English Projector Pointer Pointer 1 Source Display Off On Y ou can select one of the following three le vels for reducing video noise to your preference. NO TE: The low er the Noise Reduction level, the better the im- ag e quality by w ...
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NEC LT84/LT140 - page 23
E–23 Setup Orientation Page1 Page2 Page3 Front Floor Background Blue Signal Select S-VIDEO Auto VIDEO Auto RGB Auto OK Cancel Setup Enables you to set operating options. Press “OK” to sav e your changes for all the features of Page1, P age2 and Page3. [Page1] Setup Page1 Mouse Button Right Hand Left Hand Auto Start Page2 Page3 Power Managemen ...
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NEC LT84/LT140 - page 24
E–24 Tools Capture PC Card Files ChalkBoard [Page 3] Setup Page1 PC Card Viewer Options Start Mode Show Folder List Manual Play Auto Play Auto Play Interval sec 15 Page2 Page3 OK Cancel Capture Options High Quality High Compression Normal PC Card V iewer Options Start Mode Sets the starting condition when PC Card V iewer input is selected on the ...
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NEC LT84/LT140 - page 25
E–25 PC Card Files File Name Size Date @. @.. 12345678.txt 12345678.bmp 12345678.htm <DIR> <DIR> 1234567890 1234567890 1234567890 1999/06/01 HH:MM 1999/06/01 HH:MM 1999/06/17 HH:MM 1999/06/17 HH:MM 1999/06/17 HH:MM Execute Exit Sort Name (abc..) All (*. *) File Group Free Space Path / Info. 5 Files Help Contents Source Information Pro ...
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NEC LT84/LT140 - page 26
E–26 Using the PC Card Viewer function NO TE: When using the supplied software (CD-R OM) The softwar e is designed to use with a personal computer only . Do not play the softwar e on CD player . Doing so could cause damage to speaker s. Features The V ie wer feature allo ws slides stored on a CompactFlash memory card (referred to as CompactFlash ...
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NEC LT84/LT140 - page 27
E–27 Installing the PC Card Viewer Software Bef ore Installing Perform the following before installing the PC Card V ie wer software: • If W indo ws95 is already started, exit all applications. Installa- tion may not be performed properly if any applications are run- ning. Installation Install the viewer softw are as described below . T o quit ...
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NEC LT84/LT140 - page 28
E–28 Drag Prev Ne xt Play/Stop Jump Select Delete View A tool bar will appear when you press the MENU b utton on the re- mote control or the projector cabinet or clicking with the right button of a mouse. Operating the PC Card Viewer Function from the Projector (playback) This section describes the operation for showing slides of presenta- tion d ...
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NEC LT84/LT140 - page 29
E–29 A uto Play Mode • If the “ Auto Play” option is selected in “PC Card V ie w er Op- tions” of the menu, any gi ven slide will start to play automati- cally . Y ou can also specify A uto Play Interv al between 5 and 300 seconds. Switching to Slides Directl y from Other Input Modes W ith this function it is possib le to switch directl ...
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NEC LT84/LT140 - page 30
E–30 Capturing Images Displayed on the Projector Storing images displayed on the pr ojector on the CompactFlash card Pr epar a tions: Insert the CompactFlash card into the card slot. Insert the CompactFlash card with the side with the insertion direction arrow on the top. * Press the eject button to eject the card. 1. Project the image you wish t ...
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NEC LT84/LT140 - page 31
E–31 Deleting Captured Images Uninstalling the PC Card Viewer Software Ev en if you do now know the PC Card V ie w er softw are's file names or where the y are stored, the PC Card V iewer softw are files can be easily remov ed from the system using the "Install/Uninstall Applica- tions" control panel in Windo ws 95. (Normally there ...
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NEC LT84/LT140 - page 32
E–32 This is the name of a card currently being standardized by the Japan Electronic Industry Association (JEID A) and PCMCIA (Personal Computer Memory Card Interface Associa tion) of the United States. A type of PC card. A T A was originally a type of interface between computers and fix ed disk de vices. The A T A card is a standard card-type re ...
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NEC LT84/LT140 - page 33
E–33 4. MAINTENANCE ...
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NEC LT84/LT140 - page 34
E–34 M n O 2 - L i C E L L 3 V O L T S J A P A N H CR2025 M n O 2 - L i C E L L 3 V O L T S J A P A N H H ...
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NEC LT84/LT140 - page 35
E–35 5. TROUBLESHOOTING This section helps you resolve problems you may encounter while setting up or using the projector . OFF On continually Blinking very rapidly (On and off in a c ycle of 1 sec.) Blinking rapidly (On and off in a cycle of 4 sec) Blinking slowly (On and of f in a cycle of 8 sec.) Blinking very slo wly (On and off in a c ycle o ...
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NEC LT84/LT140 - page 36
E–36 • Is “PC Card V ie wer” selected from the Source menu? • Is the CompactFlash memory card seated in the PC CARD ACCESS slot completel y? • Are slide data stored in the CompactFlash memory card? • Have the contents of the CompactFlash memory card been destr oyed? • While an image with over 1024 2 768 dots is pr ojected , sev eral ...
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NEC LT84/LT140 - page 37
E–37 6. SPECIFICA TIONS This section provides technical information about the MultiSync L T84/L T140 Projector’s perf ormance. Model Number L T84 / L T84G / L T140 / L T140G Optical DMD TM Single Chip Digital Micromirror De vice(DMD TM ), 800x600 dots (L T84) / 1024x768 dots (L T140) Lens Manual zoom, man ual focus L T84 : F3.0 – 3.3 f = 28 ? ...
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NEC LT84/LT140 - page 38
E–38 Cabinet Dimensions L T84 ...
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NEC LT84/LT140 - page 39
E–39 Cabinet Dimensions L T140 ...
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NEC LT84/LT140 - page 40
E–40 51 42 3 10 11 12 13 14 15 6 97 8 D-Sub Pin Assignments Mini D-Sub 15 Pin Connector Pin No. RGB Signal (Analog) YCbCr Signal 1 Red Cr 2 Green or Sync on Green Y 3 Blue Cb 4 Ground 5 Ground 6 Red Ground Cr Ground 7 Green Ground Y Ground 8 Blue Ground Cb Ground 9 No Connection 10 Sync Signal Ground 11 Ground 12 Bi-directional D A T A (SDA) 13 H ...
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NEC LT84/LT140 - page 41
E–41 Timing Chart 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 MA C 640 2 400 66 35 30.24 Y IBM 640 2 400 70 31.47 25.175 Y VESA 640 2 400 85.08 37.86 31.5 Y VESA 640 2 480 59.94 31.47 25.175 Y IBM 640 2 480 60 31.47 25.175 Y MA C 640 2 480 60 31.47 25.175 Y MA C 640 2 ...
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NEC LT84/LT140 - page 42
E–42 PC Control Codes Function Code Data PO WER ON 02H 00H 00H 00H 00H 02H PO WER OFF 02H 01H 00H 00H 00H 03H INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H INPUT SELECT PC CARD VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H PICTURE MUTE ON 02H 10H 0 ...
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NEC LT84/LT140 - page 43
E–43 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 receiv ed data is not correct, the CPU returns a N AK(CAH), then the follo wi ...
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NEC LT84/LT140 - page 44
Printed in Japan 78410871 ...
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