Instruction/ maintenance manual of the product LT158/LT157 NEC
Go to page of 58
LCD Projector L T158/L T157 User’ s Manual Printed in Japan 7N8P1211 NEC L T158 / L T157 User's Man ual.
LIMITED W ARRANTY Except as specified below , the warranty that ma y be provided by the dealer cov ers all defects in material or workmanship in this product. The follo wing are not covered b y the warranty: 1 . Any product on which the serial number has been def aced, modified or remov ed.
E – 1 L T158/L T157 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 A C C E S .
E – 2 IMPOR T ANT INFORMA TION Precautions Please read this manual carefully bef ore using your NEC L T158/L T157 Projector and keep the manual handy f or future reference. Y our serial number is located under the name plate label on the bot- tom of your L T158/L T157.
E – 3 Important Safeguar ds These safety instructions are to ensure the long lif e of your projector and to prev ent fire and shock. Please read them carefully and heed all warnings. Installation 1. F or best results, use your projector in a darkened room.
E – 4 T ABLE OF CONTENTS 1. INTRODUCTION Introduction to the L T158/L T157 Projector .......................................... E-5 Getting Star ted ............................................................................. E-5 What's in the Box .
E – 5 1. INTRODUCTION Introduction to the L T158/L T157 Projector This section introduces you to y our new L T158 (XGA/D VI) / L T157 (XGA) Projector and describes the features and controls. Congratulations on Y our Purchase of The L T158/ L T157 Projector The L T158/L T157 is one of the very best projectors availab le today .
E – 6 What's in the Box? Make sure your bo x contains ev erything listed. If an y pieces are missing, contact your dealer . Please sav e the or iginal box and pac king mater ials if you e ver need to ship your L T158/L T157 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 L T158/L T157 Projector Zoom lever Remote Sensor Lens cap Adjustable T ilt Foot Lens Ventilation (inlet) Air Filter Controls Fr ont/Side Features 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 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 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 Displays the menu. 2. Select ▲▼ / V olume (+) (-) Buttons ▲▼ : Use these buttons to select the men u of the item you 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 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 CAR D PC CO NTROL VIDEO RGB USB S-VIDEO AUDIO 9 10 8 7 6 5 4 3 2 1 EO DVI-D S-VIDEO AU DIO LT158 Slot for Kensington MicroSaver Security System 1.
E – 11 4. LED Flashes when any button is pressed. 5. Power ON Button If the main power is applied, y ou can use this button to turn your pro- jector on. P J F O C U S Z O O M V O L . S H IF T H E L P POINTER K E Y S T O N E MAGNIFY FREEZE PIC-MUTE PC CARD S L ID E FOLDER SLIDE L IS T O F F V ID E O A U T O A D J .
E – 12 PJ FOCUS ZOOM VOLUME SHIFT HELP POINTER KEYSTONE MAGNIFY FREEZE PIC-MUTE PC CARD SLIDE FOLDER SLIDE LIST 1 7 1 9 2 0 2 8 2 9 3 0 31 22 18 21 23 24 25 26 27 17. PJ Button Press this button to s witch the Select, Cancel, and Enter buttons be- tween the Projector mode (lit red) and the Computer mode.
E – 13 30 ˚ 7m 7m 30 ˚ 30 ˚ 30 ˚ 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 Operating Range Remote Control Battery Installation 1. Pr ess firmly and slide the battery cover off . 2. Remove both old batteries and install new ones (AA).
E – 14 Using Remote Mouse Receiver The remote mouse receiver enables y ou 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 computer and pr ojector The three shaded buttons shown on the dr awing work as a computer mouse in the Computer mode.
E – 16 2. INST ALLA TION This section describes how to set up your L T158/L T157 projector and how to connect video and audio sources. Setting up Y our Projector Y our L T158/L T157 Projector is simple to set up and use. But before you get started, you must first: 1.
E – 17 Ceiling Installation Screen T op 1.6 ” (40.3mm) Lens Center Screen Center Screen Bottom Throw Distance (C) Throw Angle ( α ) Projector Foot D B W ARNING • Installing your projector on the ceiling must be done by a qualified technician. Contact your NEC dealer f or more infor mation.
E – 18 NOTE: When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning on the power to the notebook PC. In most cases signal cannot be output from RGB output unless the notebook PC is turned on after connecting with the projector .
E – 19 C C A R D P C C O N T R O L V I D E O D V I - D U S B S - V I D E O A U D I O M E N U E N T E R C A N C E L SELECT POWER STATUS O N / STAND BY SO URCE AUTO ADJUST PC CARD ACCESS A C IN E O D .
E – 20 C C A R D P C C O N T R O L V I D E O D V I - D U S B S - V I D E O A U D I O 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 JU S .
E – 21 Connecting Y our DVD Player L T157 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 .
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 gives y ou the oppor tunity 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 ur ning on the Projector Before y ou turn on your projector , ensure that the computer or video source is tur ned on and that y our lens cap is removed. 1. Connect the supplied po wer cable to the projector .
E – 25 3. Adjust a Projected Image Select the Computer or Video Source VIDEO S-VIDEO RGB1 RGB2 PC CARD E N T E R C A N C E L SE LECT ON / STAND BY SOURCE AUTO ADJUST Press the Source button on the r.
E – 26 M E N U OFF VIDEO AUTO ADJ. S-VIDEO RGB1 RGB2 LASER ON SC POWER [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 extend 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 T158] → 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 VOLUME V olume bar decrease volume T urning off pictur e and sound: Press the Picture Mute button to turn off the image and sound for 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) distortion to make the top or bottom of the screen longer or shor ter 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 heck mark ne xt to an option. This action enables that featur e.
E – 31 Menu T r ee Advanced Menu Source Select RGB* 1 Picture Video Volume S-Video Brightness/Contrast/Color/Hue/Sharpness Image Options Color Management PC Card Viewer Projector Options Volume Tool.
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 activ e.
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 Position/ Cloc k (when Auto Adjust is off) This allows y ou to manually adjust the image horizontally and verti- cally , and adjust Cloc k and Phase. 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.
E – 35 This function reduces video noise. On ................ The low-pass filter is applied. Off ................ The filter is removed. Screen adjustments are possible e ven when the filter is On.
E – 36 Menu Allows you to set pref erences for the on-screen menu. Press “ OK ” to sa ve your changes f or all the f eatures of Page1 and Page2. [Page1] Projector Options Menu Displa y Time : This option allows y ou to select how long the projector waits after the last touch of a button to turn off the menu.
E – 37 Show F older List: If this option is checked, when PC Card Viewer input is selected on the projector , the folder lists will be display ed and allows you to select the presentation from a CompactFlash card. Auto Pla y: If this option is checked, an y given slide will start to play automati- cally .
E – 38 Communication Speed: This feature sets the baud r ate 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 appropriate baud rate for y our equipment to be connected (depending on the equipment, a low er baud rate ma y be recommended for long cable runs).
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 you to capture an image from a source that is currently be- ing display ed.
E – 40 Changing Background Logo: The Logo button allo ws you to select a background logo from graphic files on a CompactFlash card and change the backg round to the new bac kground 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 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 following bef ore installing the PC Card Vie wer softw are: • If Windows is already star ted, exit all applications. Installation ma y not be perf ormed proper ly 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 make 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 Projector Storing images displayed on the projector on the CompactFlash car d Preparations: Insert the CompactFlash card into the card slot. Inser t the CompactFlash card (side with the inser tion direction ar- row) facing the top of the projector .
E – 46 Uninstalling the PC Card V iewer Software Even if y ou do not know the PC Card Vie wer software's file names or where they are stored, the PC Card Viewer software files can be easily remov ed from the system using the "Install/Uninstall Applications" con- trol panel in Windo ws.
E – 47 T erminology PC card A T A 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 follo w to replace the lamp and clean the filter . Replacing the Lamp After your lamp has been operating f or 1500 hours (2500 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 L T158/L T157 Projector free from dust or dirt and should be cleaned after every 100 hours of operation (more often in dusty conditions). If the filter is dirty 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 .
E – 51 • Is “ PC Card Viewer ” selected from the Source men u? • Is the CompactFlash card seated in the PC CARD slot completely? • Is slide data stored in the CompactFlash card? • Hav e .
E – 52 6. SPECIFICA TIONS This section provides technical information about the L T158/L T157 Projector ’ s perf ormance. Model Number L T158/L T157 Optical LCD Panel 0.9 ” p-Si TFT activ e-matr ix, 1024 768 dots With Micro Lens Arra y Lens Manual zoom, man ual focus F1.
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") 19.7 (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 3 Blue Cb 4 Ground 5 Ground 6 Red Ground Cr Ground 7 Green Groun.
E – 55 Compatible Input Signal List Signal Resolution F requency H. Refresh Rate Dot Clock ( Dots ) ( kHz ) ( Hz ) ( MHz ) NTSC – 15.734 60 – PA L – 15.625 50 – SECAM – 15.625 50 – VESA 640 480 31.47 59.94 25.175 IBM 640 480 31.47 60 25.
E – 56 1 2 54 3 6 7 8 Cable Connection Communication Protocol Baud rate: 38400 bps Data length: 8 bits P arity: No par it y Stop bit: One bit X on/off: None Communications Full duplex procedure: PC Control Connector (DIN-8P) T o RxD of PC T o TxD of PC T o GND of PC NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector .
An important point after buying a device NEC LT158/LT157 (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 LT158/LT157 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 LT158/LT157 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NEC LT158/LT157 you will learn all the available features of the product, as well as information on its operation. The information that you get NEC LT158/LT157 will certainly help you make a decision on the purchase.
If you already are a holder of NEC LT158/LT157, 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 LT158/LT157.
However, one of the most important roles played by the user manual is to help in solving problems with NEC LT158/LT157. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NEC LT158/LT157 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
