Instruction/ maintenance manual of the product LT155 NEC
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E – 1 MultiSync 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 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 .
E – 2 IMPOR T ANT INFORMA TION Precautions Please read this manual carefully bef ore using your NEC MultiSync L T155/L T154 Projector and keep the manual handy f or future ref er- ence. Y our serial number is located under the name plate label on the bot- tom of your MultiSync L T155/L T154.
E – 3 Important Safeguards These saf ety instructions are to ensure the long life of your projector and to prev ent fire and shoc k. Please read them carefully and heed all warnings. Installation 1. For best results , use your projector in a darkened room.
E – 4 T ABLE OF CONTENTS 1. INTR ODUCTION Introduction to the MultiSync 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 T155/L T154 Projector This section introduces you to y our new MultiSync L T155 (XGA)/ L T154 (XGA) Projector and describes the features and controls .
E – 6 What's in the Box? Make sure your bo x contains e verything listed. If any pieces are missing, contact y our dealer . Please sav e the original box and packing materials if y ou ev er need to ship your MultiSync 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 T155/L T154 Pr ojector Zoom lever Remote Sensor Lens cap Adjustable T ilt Foot Lens Ventilation (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 ▲▼ 䊴 䊳 / V olume (+) (-) Buttons ▲▼ : Use these buttons to select the menu of the item y ou wish to adjust. When no menus appear , these b uttons work as a volume con- trol. 䊴 䊳 : Use these buttons to change the le vel of a selected menu item.
E – 10 T erminal 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 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 right button. When you are in the Projector mode , which is indicated b y 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 co ver of f. 2. Remove both old batteries and install new 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 y our computer's mouse functions from the remote control (Computer mode). It is a great conv enience for clic king through your computer-gener ated presentations.
E – 15 Switching operation mode between mouse and projector The three shaded buttons sho wn on the drawing w ork as a computer mouse in the Computer mode.
E – 16 2. INST ALLA TION This section describes how to set up your MultiSync L T155/L T154 projector and how to connect video and audio sources. Setting up Y our Projector Y our MultiSync L T155/L T154 Projector is simple to set up and use. But before y ou get started, you must first: 1.
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 Wiring Diagram RGB Signal cable (supplied) T o mini D-Sub 15-pin connector on the pro- jector . It is recommended that you use a commercially available distribution amplifier if connecting a signal cable longer than the supplied one.
E – 19 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 C A R D P C C O N T R O L V ID E O R G B U S B S- VID E O AU D IO RGB S-VIDEO AUDIO D.
E – 20 M E N U E N T E R C A N C E L SELECT POWER STATUS ON / STAND BY SOURC E AUTO ADJUST PC CARD ACCES S A C IN C C A R D P C C O N T R O L V I D E O R G B U S B S -V ID E O A U D IO DEO RGB S-VID.
E – 21 M E N U E N T E R C A N C E L SELE CT POW ER STATUS ON / STAND BY SOURCE AUTO ADJUST PC CARD ACC ESS AC IN C C A R D P C C O N T R O L V ID E O R G B U S B S -V ID E O A U D IO RGB S-VIDEO AU.
E – 22 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 CAR D PC CO N TR OL VIDEO R G B U SB S-V ID E O AU D IO RGB S-VIDEO PC CONTROL VIDEO .
E – 23 About Startup screen (Menu Language Select screen) When you first turn on the projector , you will get the Startup screen. This screen giv es you the opportunity to select one of the seven men u languages: English, German, French, Itilan, Spanish,Swedish and J apa- nese.
E – 24 3. OPERA TION Connecting the Power Cable and T urn on the Projector Before y ou turn 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 → Video → S-Video → PC Card Viewer 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 (trapez oidal) distor tion to mak e the top or bottom of the screen longer or shorter so that the projected image is rectangular .
E – 30 2. Use the ▲ or ▼ button to highlight your selection and pr ess the Enter button to place a c hec k mark ne xt 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 av ailable . A highlighted triangle 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 (tr apezoidal) distor tion to mak e the top of the screen longer or shor ter to be the same as the bottom. Use the 䊴 or 䊳 buttons on the slide bar to correct the k eystone (trapezoidal) distortion.
E – 35 Noise Reduction (not av ailable for RGB and PC Car d Vie wer) 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.
E – 36 Factory 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 f or all the f eatures of P age1, P age2, P age3, Page 4 and P age5.
E – 38 Communication Speed: This f eature sets the baud rate of the PC Control por t (Mini DIN 8 Pin). It suppor ts data rates from 4800 to 38400 bps . The def ault is 38400 bps. Select the appropr iate baud r ate f or y our equipment to be connected.
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 bac kground logo from graphic 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 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 IN C C A R D P C C O N T R O L V ID E O R G B U.
E – 42 Installing the PC Card V iewer Software Before Installing P erform the f ollowing before installing the PC Card Viewer software: • If Windows is already started, 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 f old- 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 insertion direc- tion arrow on the top .
E – 46 Uninstalling the PC Card V iewer Software Even if y ou do no w know the PC Card Viewer software's file names or where they are stored, the PC Card View er software files can be easily remov ed from the system using the "Install/Uninstall Applications" con- trol panel in Windows.
E – 47 T erminology PC card A T A car d 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 Memory Card Interface Association) of the United States.
E – 48 This section describes the simple maintenance procedures you should follo 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 T155/L T154 Projector free from dust or dir t and should be cleaned after e very 100 hours of operation (more often in dusty conditions). If the filter is dirty or clogged, your projector ma y ov erheat.
E – 50 5. TROUBLESHOOTING This section helps you resolv e problems y ou may encounter while setting up or using the projector . Standby Cooling down Lamp in High-Bright mode Lamp in Eco mode One min.
E – 51 • Is “PC Card Vie wer” selected from the Source men u? • Is the CompactFlash card seated in the PC CARD slot completely? • Are slide data stored in the CompactFlash card? • Have t.
E – 52 6. SPECIFICA TIONS This section provides technical inf or mation about the MultiSync L T155/L T154 Projector’ s perf or mance . Model Number L T155/L T154 Optical LCD P anel 0.9” p-Si TFT active-matrix, 1024 ⳯ 768 dots With Micro Lens Arra y (L T155) Lens Manual z oom, manual focus 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 PC CARD USB PC CONTROL VIDEO S-VIDEO RGB AUDIO 207 (8.15") 40.35 (1.59") 17 (0.67") 40.3 (1.59") 31.2 (1.23") 63 (2.5") 5 (0.
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 Clock ( Dots ) ( kHz ) ( Hz ) ( MHz ) Y NTSC 640 ⳯ 480 15.734 60 - Y P AL 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 PC Control Codes Function Code Data POWER ON 02H 00H 00H 00H 00H 02H POWER OFF 02H 01H 00H 00H 00H 03H INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H INPUT SELECT VIDEO 02H 0.
An important point after buying a device NEC LT155 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought NEC LT155 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data NEC LT155 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NEC LT155 you will learn all the available features of the product, as well as information on its operation. The information that you get NEC LT155 will certainly help you make a decision on the purchase.
If you already are a holder of NEC LT155, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime NEC LT155.
However, one of the most important roles played by the user manual is to help in solving problems with NEC LT155. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NEC LT155 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
