Manuale d’uso / di manutenzione del prodotto LT156 del fabbricante NEC
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LCD Projector MultiSync L T156/155/L T154 User’ s Man ual.
NEC SOLUTIONS’ PROJECTOR PRODUCTS NEC Solutions (America), Inc. (hereafter NEC Solutions) warrants this product to be free from defects in material and workmanship under the following terms.
DECLARATION OF CONFORMITY This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions. (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
E – 1 MultiSync L T156/L T155/L T154 LCD Projector User ’ s Manual English M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS.
E – 2 IMPOR T ANT INFORMA TION Precautions Please read this manual carefully bef ore using your NEC MultiSync L T156/L T155/L T154 Projector and keep the man ual handy for future reference . Y our serial number is located under the name plate label on the bot- tom of your MultiSync L T156/L T155/L T154.
E – 3 Important Safeguards These saf ety instructions are to ensure the long life of y our projector and to prev ent fire and shock. Please read them carefully and heed all war nings. Installation 1. For best results , use your projector in a darkened room.
E – 4 T ABLE OF CONTENTS 1. INTRODUCTION Introduction to the MultiSync L T156/L T155/L T154 Projector ................. E-5 Getting Star ted ............................................................................. E-5 What's in the Box ...
E – 5 1. INTRODUCTION Introduction to the MultiSync L T156/L T155/L T154 Projector This section introduces you to y our new MultiSync L T156 (XGA) / L T155 (XGA) / L T154 (XGA) Projector and descr ibes the f eatures and con- trols.
E – 6 What's in the Box? Make sure your bo x contains e verything listed. If any pieces are missing, contact your dealer . Please sav e the or iginal bo x and packing materials if you e ver need to ship your MultiSync L T156/L T155/L T154 Projector .
E – 7 M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS Getting to Know Y our MultiSync L T156/L T155/L T154 Projector Zoom lever Remote Sensor Lens cap Adjustable T ilt Foot Lens V entilation (inlet) Air Filter Controls Front/Side Featur es One-touch T ilt Button Built-In Monaural Speaker (0.
E – 8 M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS AC IN C CARD PC CONTROL VIDEO RGB USB S-VIDEO AUDIO AC Input Connect the supplied power cable’ s three- pin plug here.
E – 9 1. Menu Button Displa ys the menu. 2. Select ▲▼ / V olume (+) (-) Buttons ▲▼ : Use these buttons to select the menu of the item y ou wish to adjust. When no menus appear , these buttons work as a v olume con- trol. : Use these buttons to change the le vel of a selected menu item.
E – 10 Te rminal Panel Features M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS AC IN C CARD PC CONTROL VIDEO RGB USB S-VIDEO AUDIO 9 10 8 7 6 5 4 3 2 1 EO DVI-D S-VIDEO AUDIO LT156 Slot for Kensington MicroSaver Security System 1.
E – 11 Remote Control Featur es NOTE: If you are using a Macintosh computer , you can click either the right- click or left-click button to activate the mouse. NOTE: If any one of the buttons is pressed and held for 60 seconds or more, the button operations will cease to operate.
E – 12 16. Cancel/ Right Click Button When you are in the Computer mode , this b utton works as the mouse r ight b utton. When you are in the Projector mode , which is indicated by lighting the PJ button: Press this button to e xit "Menus".
E – 13 Operating Range Remote Control Battery Installation 1. Pr ess firmly and slide the battery cover of f. 2. Remove both old batteries and install ne w ones (AA). Ensur e that you have the batteries' polarity (+/–) aligned corr ectly . 3.
E – 14 Using Remote Mouse Receiver The remote mouse receiver enab les you to operate your computer's mouse functions from the remote control (Computer mode). It is a great conv enience for clicking through y our computer-generated presentations .
E – 15 Switching operation mode between mouse and projector The three shaded buttons sho wn on the drawing work as a computer mouse in the Computer mode.
E – 16 2. INST ALLA TION This section describes how to set up your MultiSync L T156/L T155/L T154 projector and how to connect video and audio sources . Setting up Y our Projector Y our MultiSync L T156/L T155/L T154 Projector is simple to set up and use.
E – 17 Ceiling Installation Screen top 1.6” (40.3mm) Lens Center Screen center Screen Bottom Throwing Distance (C) Throwing Angle ( α ) Projector Foot D B W ARNING • Installing your projector on the ceiling must be done by a qualified technician.
E – 18 PC CONTROL VIDEO S-VIDEO RGB AUDIO DVI LT156 Wiring Diagram RGB Signal cable (supplied) To mini D-Sub 15-pin connector on the projector . It is recommended that you use a commercially available distribution amplifier if connecting a signal cable longer than the supplied one.
E – 19 C CARD PC CONTROL VIDEO DVI-D USB S-VIDEO AUDIO M E N U E N T E R C A N C E L S E L E C T P O W E R S T A T U S O N / S T A N D B Y S O U R C E A U T O A D J U S T P C C A R D A C C E S S A C.
E – 20 C CAR D PC CON TROL VIDE O DVI-D U SB S -VIDE O AU DIO M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS AC IN EO DVI-D S-VIDEO AUDIO DVI AUDIO.
E – 21 M E N U E N T E R C A N C E L S E L EC T PO W E R ST A T U S O N / S T A N D B Y S O U R C E A U T O A D J U ST P C C A R D AC C E S S A C IN C C AR D PC C ON TR OL VID EO R GB USB S -VIDEO A.
E – 22 M E N U E N T E R C A N C E L S E L E C T P O W E R S T A T U S O N / S T A N D B Y S O U R C E A U T O A D J U S T P C C A R D A C C E S S A C I N C C A R D P C C O N T R O L V I D E O R G B.
E – 23 About Startup screen (Menu Language Select screen) When you first turn on the projector , you will get the Star tup screen. This screen giv es you the opportunity to select one of the seven men u languages: English, Ger man, F rench, Itilan, Spanish,Swedish and Japa- nese.
E – 24 3. OPERA TION Connecting the Power Cable and T urn on the Projector Before y ou tur n on your projector , ensure that the computer or video source is turned on and that your lens cap is removed. 1. Connect the supplied pow er cable to the projector .
E – 25 3. Adjust a Projected Image Select the Computer or Video Source HELP POINTER PC CARD AUTO ADJ. VIDEO S - VIDEO RGB 1 RGB 2 P J E N T E R C A N C E L SE LECT ON / STAND BY SOURCE AUTO ADJUST P.
E – 26 VIDEO S - VIDEO AUTO ADJ. RGB 1 MENU LASER RGB 2 P J ON OFF [Poor picture] [Normal picture] Adjust the Tilt Foot 1. Lift the front edge of the projector . 2. Press the Tilt button on the front of the projector to e xtend the ad- justable tilt f oot (maximum height).
E – 27 Source display Each time the Source button is pressed, the input source will change as follo ws: → RGB [“DVI (DIGIT AL) → DVI (ANALOG)” on L T156] → Video PC Card Viewer ← S-Video ← If no input signal is present, the input will be skipped.
E – 28 V olume control: Sound lev el from the speaker on the projector can be adjusted. increase volume VOL. V olume bar decrease volume T urning off picture and sound: Press the Picture Mute button to turn off the image and sound f or a shor t period of time.
E – 29 4. Return the imag e to the original size. Correcting Keystone distortion Press (+) or (-) to correct ke ystone (trapezoidal) distor tion to make the top or bottom of the screen longer or shorter so that the projected image is rectangular .
E – 30 2. Use the ▲ or ▼ b utton to highlight your selection and pr ess the Enter button to place a c hec k mark next to an option. This action enables that featur e.
E – 31 Menu T ree Advanced Menu Source Select RGB Picture Video Volume S-Video Brightness/Contrast/Color/Hue/Sharpness Image Options PC Card Viewer Projector Options Volume High-Bright/Eco Tools Hel.
E – 32 Menu windows or dialog boxes typically have the following elements: Title bar : Indicates the menu title. Highlight: Indicates the selected menu or item. Solid triangle: Indicates fur ther choices are availab le. A highlighted tr iangle indicates the item is active .
E – 33 The launcher is a tool bar including the f ollowing buttons: Drag ............. Drags to move the tool bar . (for USB mouse operation only) Prev ............. Returns to the previous slide or folder . Next ............. Advances to the next slide or folder .
E – 34 Image Options Keystone This feature corrects the k eystone (trapezoidal) distortion to make the top of the screen longer or shor ter to be the same as the bottom. Use the or buttons on the slide bar to correct the k eystone (trapezoidal) distortion.
E – 35 Noise Reduction Y ou can select three lev els video noise reduction. NOTE: The lower the Noise Reduction level, the better the image quality by way of higher video bandwidth. Color Matrix First select an appropriate color matrix to fit your component signal for HDTV or SDTV .
E – 36 F actory Default Changes all adjustments and setting to the factory preset f or each source individually except Lamp Hour Meter , Projector Usage, Lan- guage and Communication Speed. (T o reset the lamp usage time, see "Clear Lamp Hour Meter" on page E-38.
E – 37 Setup Enables y ou to set operating options. Press "OK" to sav e your changes for all the f eatures of Page1, P age2, P age3, P age 4 and Page5.
E – 38 Communication Speed: This f eature sets the baud rate of the PC Control port (Mini DIN 8 Pin). It suppor ts data rates from 4800 to 38400 bps.
E – 39 T ools Provides tools f or captur ing images, displa ying files in a CompactFlash Card and drawing. NOTE: The "Capture" and "PC Card Files" features are required for a CompactFlash card. Capture: Allows y ou to capture an image from a source that is currently be- ing displa yed.
E – 40 Changing Background Logo: The Logo button allo ws you to select a background logo from gr aphic files on a CompactFlash card and change to it as the background logo . NOTE: File size must be 64KB or less. Other file formats than JPEG and BMP are not available.
E – 41 M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS AC IN C CARD PC CONTROL VIDEO RGB USB S-VIDEO AUDIO Using the PC Card V iewer function NOTE: When using the supplied software (CD-ROM) The software is designed to use with a personal computer only .
E – 42 Installing the PC Card V iewer Software Before Installing P erform the f ollowing before installing the PC Card View er software: • If Windo ws is already star ted, exit all applications. Installation may not be performed properly if any applications are running.
E – 43 Operating the PC Card V iewer Function from the Pr ojector (playback) This section describes the operation for sho wing slides of presentation documents created using the PC Card Viewer function with the projec- tor . It is also possible to mak e slides directly from the images projected with the projector .
E – 44 When the tool bar is not displayed: Press the FOLDER LIST button on the remote control to displa y fold- ers from a CompactFlash card in the projector’ s PC Card slot. Use the SLIDE +/- button to advance to the ne xt folder or return to the previous folder .
E – 45 Capturing Images Displayed on the Pr ojector Storing images displayed on the projector on the CompactFlash car d Preparations: Inser t the CompactFlash card into the card slot. Inser t the CompactFlash card with the side with the inser tion direc- tion arrow on the top .
E – 46 Uninstalling the PC Card V iewer Software Even if y ou do now know the PC Card Viewer software's file names or where they are stored, the PC Card Viewer softw are files can be easily remov ed from the system using the "Install/Uninstall Applications" con- trol panel in Windows .
E – 47 Te rminology PC card ATA card CompactFlash TYPE (I, II and III) BMP JPEG This is the name of a card currently being standardized b y the Japan Electronic Industry Association (JEIDA) and PCMCIA (P ersonal Computer Memor y Card Interface Association) of the United States .
E – 48 This section describes the simple maintenance procedures you should f ollo w to replace the lamp and clean the filter . Replacing the Lamp After your lamp has been operating f or 1000 hours (2000 hours : Eco mode) or longer , the “Status” light in the cabinet will go on and the message will appear .
E – 49 Cleaning or Replacing the Filters The air-filter sponge keeps the inside of the MultiSync L T156/L T155/ L T154 Projector free from dust or dir t and should be cleaned after ev er y 100 hours of operation (more often in dusty conditions). If the filter is dir ty or clogged, your projector ma y overheat.
E – 50 5. TROUBLESHOOTING This section helps you resolv e problems you ma y encounter while setting up or using the projector. Power/ Status Light Messages Common Problems & Solutions Does not t.
E – 51 • Is “PC Card Viewer” selected from the Source menu? • Is the CompactFlash card seated in the PC CARD slot completely? • Are slide data stored in the CompactFlash card? •H av e th.
E – 52 6. SPECIFICA TIONS This section provides technical inf or mation about the MultiSync L T156/L T155/L T154 Projector’ s performance. Model Number L T156/L T155/L T154 Optical LCD P anel 0.9” p-Si TFT activ e-matr ix, 1024 768 dots With Micro Lens Arra y (L T156 / L T155) Lens Manual z oom, manual f ocus F2.
E – 53 M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACCESS 207 (8.15") 40.35 (1.59") 17 (0.67") 40.
E – 54 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 3B l u e C b 4 Ground 5 Ground 6 Red Ground Cr Ground 7 Green Gr.
E – 55 Timing Chart Y / N Signal Resolution F requency H. Refresh Rate Dot Cloc k ( Dots ) ( kHz ) ( Hz ) ( MHz ) Y NTSC 640 480 15.734 60 - YP A L 768 576 15.625 50 - Y SECAM 768 576 15.625 50 - Y VESA 640 480 31.47 59.94 25.175 Y IBM 640 480 31.
E – 56 1 2 54 3 6 7 8 Cable Connection Communication Pr otocol Baud rate: 38400 bps Data length: 8 bits Pa r ity: No pa ri ty Stop bit: One bit X on/off: None Communications Full duple x procedure: PC Control Connector (DIN-8P) To RxD of PC To TxD of PC To GND of PC NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector .
Printed in Japan 7N8P0203.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il NEC LT156 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del NEC LT156 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso NEC LT156 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul NEC LT156 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il NEC LT156, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del NEC LT156.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il NEC LT156. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo NEC LT156 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
