LCD Projector LT158/LT157 NEC LT158 / LT157 User's Manual Printed in Japan 7N8P1211 User’s Manual
LIMITED WARRANTY GARANZIA LIMITATA Except as specified below, the warranty that may be provided by the dealer covers all defects in material or workmanship in this product. The following are not covered by the warranty: A parte la specificazione seguente, la graanzia che potrebbe essere fornita dal rivenditore copre tutti i difetti di materiali o nella lavorazione in questo prodotto. I seguenti non sono coperti dalla garanzia : 1.
LT158/LT157 LCD Projector User’s Manual English O S N/ TA N D B Y P O W A A UT D O JU S T S O C E E NTE R R S LE C T CEL E CAN M U U EN P A C C C C A TA ES R D TU S S R S E E–1
IMPORTANT INFORMATION Precautions CAUTION Please read this manual carefully before using your NEC LT158/LT157 Projector and keep the manual handy for future reference. Your serial number is located under the name plate label on the bottom of your LT158/LT157. Record it here: This label is located on the back of the remote control. CAUTION To turn off main power, be sure to remove the plug from power outlet.
Important Safeguards Lamp Replacement These safety instructions are to ensure the long life of your projector and to prevent fire and shock. Please read them carefully and heed all warnings. • To replace the lamp, follow all instructions provided on page E-48. • Be sure to replace the lamp when the message "The Lamp has reached the end of its usable life. Please replace the lamp." appears.
TABLE OF CONTENTS Setup ................................................................................... Orientation ..................................................................... Cinema Position ............................................................ Background ................................................................... Mouse Settings ............................................................. Button/Sensitivity .......................................................
1. INTRODUCTION Introduction to the LT158/LT157 Projector This section introduces you to your new LT158 (XGA/DVI) / LT157 (XGA) Projector and describes the features and controls. Congratulations on Your Purchase of The LT158/ LT157 Projector The LT158/LT157 is one of the very best projectors available today.
What's in the Box? Make sure your box contains everything listed. If any pieces are missing, contact your dealer. Please save the original box and packing materials if you ever need to ship your LT158/LT157 Projector. O S N/ TA N D B Y A A UT D O JU S T E NTE R S O U R C E CEL S E LE C T CAN M EN P A C C C S CE AR TA S D TU S P O S W E R Batteries (AA 2) U Lens cap String and rivet O FF VID EO NEC LT158/LT157 projector PO W EO ER J.
Getting to Know Your LT158/LT157 Projector Front/Side Features Controls O S N/ TA N D Built-In Monaural Speaker (0.5W) B Y A A UT D O JU S T CEL S E LE C T CAN M EN S O U R C E E NTE R P A C C C S CE AR TA S D TU S P O S W E R Lens U Remote Sensor Ventilation (inlet) One-touch Tilt Button Air Filter Adjustable Tilt Foot Zoom lever Focus ring Lens cap Attaching the lens cap to the bottom with the supplied string and rivet 1.
Rear/Side Features AC Input CEL U CAN D P A C C C S CE AR TA S D TU S P O S W E R E NTE R AR A A UT D O JU S T CC S O U R C E EN S E LE C T M Connect the supplied power cable’s threepin plug here.
Top Features CEL NU CA N S E LE C T 8 9 S O U R C E E NTE R CC AR D A A UT D O JU S T 1 2 O S N/ TA N D B Y 3 US B P A C C C S CE AR TA S D TU S P O S W E R M E 4 5 PC CO NT RO V L IDE O 6 7 SV 1. Menu Button Displays the menu. 2. Select ▲▼ / Volume (+) (-) Buttons ▲▼: Use these buttons to select the menu of the item you wish to adjust. When no menus appear, these buttons work as a volume control. : Use these buttons to change the level of a selected menu item.
Terminal Panel Features NU LE C T 7 CEL M E 8 CA N IN NT RO L VID C IDE O DV EO S-V 9 IDE AU 1. Audio Input Mini Jack (3.5 mm ∅) This is where you connect audio output from your computer, VCR, DVD player or laser disc player. A commercially available audio cable is required. 4. Video Input (RCA) Connect a VCR, DVD player, laser disc player, or document camera here to project video. 5.
Remote Control Features E LI S T NOTE: If you are using a Macintosh computer, you can click either the rightclick or left-click button to activate the mouse. 6. Power OFF Button If the main power is applied, you can use this button to turn your projector off. NOTE: To turn off the projector, press and hold the POWER OFF button for a minimum of two seconds.
22 FOCUS 18 21 23 24 25 26 27 ZOOM 24. MAGNIFY (+) (–) Button Use this button to adjust the image size up to 400%. When the pointer is displayed, the image is magnified about the center of the pointer. When the pointer is not displayed, the image is magnified about the center of the screen. When the image is magnified, the pointer is changed to the magnifying icon. 17 19 PJ SHIFT 20 HELP POINTER PC CARD KEYSTONE MAGNIFY FREEZE VOLUME SLIDE 28 25.
Setting the function switch Operating Range 7m 7m 30˚ CA STATUS PC CARD ACCESS SOURCE MEN U ER NT ON/ STAND BY L SELECT 30˚ AUTO ADJUST NC E E POWER 30˚ 30˚ OFF ON Remote Control Battery Installation There are two switches on the bottom of the battery case: an applicable projector selector switch (1) and laser enable/disable switch (2).
Using Remote Mouse Receiver The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control (Computer mode). It is a great convenience for clicking through your computer-generated presentations.To return to the Projector mode, press the PJ button (lit red). Connecting the remote mouse receiver to your computer If you wish to use the remote mouse function, connect the mouse receiver and computer.
Switching operation mode between computer and projector The three shaded buttons shown on the drawing work as a computer mouse in the Computer mode. In the Computer mode the PJ button is not lit. • When the MENU button is pressed, the PJ button lights red to indicate that you are in the Projector mode, which allows the projector menu operation using the three buttons.
2. INSTALLATION This section describes how to set up your LT158/LT157 projector and how to connect video and audio sources. Setting up Your Projector Your LT158/LT157 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-glossy white wall onto which you can project your image. Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the projector.
Distance Chart Throw Distance (C) Screen Top B=Vertical distance between lens center and screen center C=Throw distance D=Vertical distance between lens center and screen bottom (screen top for ceiling installation) Screen Center B Throw Angle (α) Lens Center 1.6” (40.3mm) D Projector Foot Screen Bottom Ceiling Installation WARNING Screen Top D Lens Center Projector Foot 1.6” (40.
Wiring Diagram VCR, DVD Player or LaserDisc Player DVI-A – VGA signal cable (supplied) Gender changer mini D-sub 15-pin F – 15-pin F (not supplied) To video, S-video, and audio inputs on the projector. LT158 Document Camera DVI VIDEO S-VIDEO RGB AUDIO PC CONTROL Optional 15-pin-to-RCA (female) 3 cable (ADP-CV1) RGB Signal cable (supplied) To mini D-Sub 15-pin connector on the projector.
Connecting Your PC Mini D-Sub 15 pin connector E SE LE C T CAN C EL M LT157 U EN U R C E NTE R C CA RD PO AU AD TO JU ST PC AC C ST CES AR AT S D U S W ER SO PC IN CO NT RO VID L EO D BY US B AC O ST N/ AN 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 one supplied .
Connecting Your Macintosh Computer Macintosh (Notebook type) LT157 E SE LE C T M U CAN C EL EN PO AU AD TO JU ST PC AC C ST CES AR AT S D U S W ER SO U R C E NTE R C CA RD PC IN CO NT RO VID L EO D O ST N/ AN BY US B AC S-V IDE O RG B DE O RGB signal cable (supplied) AU DIO RG BI S-V IDE O NP UT AU DIO RG B Audio cable (not supplied) AU DIO T C LE SE CAN C EL U E M LT158 EN PC AC C ST CES AR AT S D U S PO W AU AD TO JU ST RD ER SO U R C E NTE R C CA
Connecting Your DVD Player DVD player LT157 AU CEL U C LE CAN S White Y O U R C E NTE R S RD A A UT D O JU S T B CO NT RO L VID D EO S-V IDE O RG DE B RG AU O S-V N PC IN O N / B Y US AC TA Red C CA P A C C C S C E AR TA S D TU S P O S W E R Co m Y pon Cb ent Cr S L E EN T M DIO E R BI DIO IDE O Cb NP UT RG B Cr AU DIO Optional 15-pin-to-RCA (female) 3 cable (ADP-CV1) S O U R C E A A UT D O JU S T P A C C C S CE AR TA S D TU S P O S W E R M
Connecting Your VCR or Laser Disc Player U CEL EN O U R C E NTE R S B CO NT RO L VID EO S-VID EO B D N O EO AU B PC TA VID RG US S PC IN N / B Y US AC S-V DIO AU L R E P O W O IDE R P A C C C C A TA ES RD TU S S S RD A A UT D O JU S T C CA E S CAN E LE C T M VCR/ Laser disc player DIO S-V CO S-video cable (not supplied) NT IDE RO O L VID EO S -V IDE O RG Audio cable (not supplied) B Video cable (not supplied) Audio equipment Document camera
About Startup screen (Menu Language Select screen) When you first turn on the projector, you will get the Startup screen. This screen gives you the opportunity to select one of the seven menu languages: English, German, French, Itilan, Spanish,Swedish and Japanese. To select a menu language, follow these steps: 1. Use the Select ▲ or ▼ button to select one of the seven languages for the menu. 2. Press the Enter button to execute the selection. 3.
3. OPERATION Connecting the Power Cable and Turning on the Projector To turn off the projector: First press the “off” button on the remote control (“ON/STAND BY” button on the projector cabinet) for a minimum of two seconds. The power indicator will glow orange. After the projector turns off, the cooling fans keep operating for one minute. Before you turn on your projector, ensure that the computer or video source is turned on and that your lens cap is removed. 1.
3. Adjust a Projected Image C EL Lift the front edge of the projector to center the image vertically.
Adjust the Tilt Foot [Poor picture] S O U R C E TO S U U A DJ A T / N D O AN T S B Y D R A C SS C E P CC S A TU TA R S E W O P 1. Lift the front edge of the projector. 2. Press the Tilt button on the front of the projector to extend the adjustable tilt foot (maximum height). Adjust the Image Using Auto Adjust The Auto Adjust function automatically optimizes the image in RGB mode.
Optimizing RGB image automatically Press the Auto Adjust button to optimize an RGB image automatically. Basic Operation Selecting the computer or video source: SOURCE OFF ON POWER VIDEO AUTO ADJUST S-VIDEO RGB1 LASER AUTO ADJ.
Volume control: Sound level from the speaker on the projector can be adjusted. Using Pointer You can use one of eight pointers to draw your audience's attention to the portion of a projected image you want. POINTER VOLUME increase volume Volume bar Press the Pointer button to display the pointer. decrease volume Turning off picture and sound: Press the Picture Mute button to turn off the image and sound for a short period of time. Press again to restore the image and sound.
4. Return the image to the original size. Using the Menus NOTE: The on-screen menu may not be displayed correctly while interlaced motion video image is projected. MAGNIFY 1. Press the “Menu” button on the remote control or projector cabinet to display the Main Menu. NOTE: When using a USB mouse, click the mouse button to display the main menu. For other operations, do the same way as you use your PC mouse. 2.
2. Use the ▲ or ▼ button to highlight your selection and press the Enter button to place a check mark next to an option. This action enables that feature. Press the Enter button again to clear the check box. An item “To Advanced Menu” will be added to the bottom of the Basic/ Custom Menu. Selecting this item and pressing the “Enter” button will display the “Advanced Menu” features. Using a USB Mouse Using a USB mouse gives you a smooth operation. A commercially available USB mouse is required.
Menu Tree Advanced Menu Source Select Picture Volume Image Options Color Management Projector Options Tools Help NOTE: 1) When menu items are not available, they are indicated in white. 2) For LT158: When DVI (DIGITAL) is selected, making any adjustment executes the Auto Adjust feature. The AUTO ADJUST button on the remote control is also available. You can adjust the horizontal and the vertical position for DVI digital signal but cannot save those adjustments.
Menu Elements Title bar Tab Help Button Close Button Highlight Solid triangle OK Button Cancel Button Radio button Check box Drag Slide bar Tool bar 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 further choices are available. A highlighted triangle indicates the item is active. Tab: Indicates a group of features in a dialog box.
The launcher is a tool bar including the following buttons: Menu Descriptions & Functions Source Select Drag ............. Prev ............. Next ............. Play .............. Stop ............. Jump ........... Select ........... Setup ........... Enables you to select a video source such as a VCR, DVD player, laser disc player, computer or document camera depending on what is connected to your inputs.
Image Options Aspect Ratio Keystone Aspect Ratio allows you to select the best Aspect mode to display your source image. This feature corrects the keystone (trapezoidal) distortion to make the top of the screen longer or shorter to be the same as the bottom. Use the or buttons on the slide bar to correct the keystone (trapezoidal) distortion. Keystone distortion Normal When 4:3 is selected from the source (i.e.
Horizontal/Vertical Position .................... Adjusts the image location horizontally and vertically using the and buttons. This adjustment is made automatically when the Auto Adjust is turned on. Clock ............ Use this item to fine tune the computer image or to remove any vertical banding that might appear. This function adjusts the clock frequencies that eliminate the horizontal banding in the image. Press the and buttons until the banding disappears.
Projector Options Menu Display Time : This option allows you to select how long the projector waits after the last touch of a button to turn off the menu. The preset choices are "Manual", "Auto 5 sec", "Auto 15 sec", and "Auto 45 sec". The "Auto 45 sec" is the factory preset. Menu Allows you to set preferences for the on-screen menu. Press “OK” to save your changes for all the features of Page1 and Page2. Manual ......... The menu can be turned off manually. Auto 5 sec ....
Setup Enables you to set operating options. Press "OK" to save your changes for all the features of Page1, Page2, Page3, Page 4 and Page5. Show Folder List: If this option is checked, when PC Card Viewer input is selected on the projector, the folder lists will be displayed and allows you to select the presentation from a CompactFlash card. [Page1] Auto Play: If this option is checked, any given slide will start to play automatically.
[Page4] Clear Lamp Hour Meter: Resets the lamp clock back to zero. Pressing this button appears a confirmation dialog box. To reset the lamp usage hour, press "OK". NOTE: The projector will turn off and go into standby mode after 1600 hours (up to 2600 hours in Eco mode) of service. If this happens, press the "Help" button on the remote control for ten seconds to reset the lamp clock back to zero. Do this only after replacing the lamp. Clear Filter Usage: Resets the filter usage back to zero.
Tools PC Card Files: Displays a list of all the files stored in the CompactFlash card so that you can select a file you want to display. You can also sort files by file name or date, or display the file. Although a list of all the files in the CompactFlash card is displayed, you can view files in idx, text, HTML, JPEG and BMP format only. Selecting BMP and JPEG files automatically switches to the PC Card Viewer source.
Changing Background Logo: The Logo button allows you to select a background logo from graphic files on a CompactFlash card and change the background to the new background logo. NOTE: File size must be 64KB or less. Other file formats than JPEG and BMP are not available. 1. Use the ▲ or ▼ button to select a JPEG or BMP file for your background logo. 2. Use the and then ▼ button to select “Logo”. 3. Press the Enter on the remote control or the cabinet. You will get the confirmation dialog box.
U C LE CAN E S R C E NTE R R P O W E S A A UT D O JU S T P A C C C C A TA ES RD TU S S S O CC AR D The Viewer feature allows slides stored on a CompactFlash memory card (referred to as CompactFlash card in this manual) to be displayed on the projector. Even if no computer is available, presentations can be conducted simply with the projector. This feature is convenient for holding presentations at meetings and in offices, as well as for playing images taken on digital cameras.
Installing the PC Card Viewer Software Before Installing Perform the following 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. Installation Install the viewer software as described below. To quit installation before it is completed, press the "Cancel" button then follow the instructions in the dialog box.
Delete ........ Deletes a captured slide(s) or all the captured slides in the Capture – specific folder. View .......... Hides the tool bar while you are playing back. Pressing the MENU button or clicking with the right button of a mouse shows it again. Operating the PC Card Viewer Function from the Projector (playback) This section describes the operation for showing slides of presentation documents created using the PC Card Viewer function with the projector.
When the tool bar is not displayed: Auto Play Mode Press the FOLDER LIST button on the remote control to display folders from a CompactFlash card in the projector’s PC Card slot. • If the “Auto Play” option is selected in “PC Card Viewer Options” of the menu, any given slide will start to play automatically. You can also specify Auto Play Intervals between 5 and 300 seconds.
Deleting Captured Images Capturing Images Displayed on the Projector Storing images displayed on the projector on the CompactFlash card Prev Preparations: Insert the CompactFlash card into the card slot. Insert the CompactFlash card (side with the insertion direction arrow) facing the top of the projector. * Press the eject button to eject the card. Play Jump Setup View Drag Next Stop Select Delete 1. Project the image you wish to store on the projector.
Uninstalling the PC Card Viewer Software Even if you do not know the PC Card Viewer software's file names or where they are stored, the PC Card Viewer software files can be easily removed from the system using the "Install/Uninstall Applications" control panel in Windows. (Normally there is no need to perform this operation.) 3. In the "Add/Remove Programs Properties" dialog box, click the "Install/Uninstall" tab, then select "PC Card Viewer Utility 1.
Terminology PC card This is the name of a card currently being standardized by the Japan Electronic Industry Association (JEIDA) and PCMCIA (Personal Computer Memory Card Interface Association) of the United States. ATA card A type of PC card. ATA was originally a type of interface between computers and fixed disk devices. The ATA card is a standard card-type recording medium. CompactFlash CompactFlash card is a small removable card conforming to ATA specifications.
4. MAINTENANCE This section describes the simple maintenance procedures you should follow to replace the lamp and clean the filter. 3. Insert a new lamp housing . CAUTION: Do not use a lamp other than the NEC replacement lamp (LT57LP). Order this from your NEC dealer. Replacing the Lamp Secure it in place with the two screws. Be sure to tighten the screws.
Cleaning or Replacing the Filters To replace the air-filter: The air-filter sponge keeps the inside of the LT158/LT157 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 may overheat. 1. Remove the filter cover by pushing down on the catch of the cover until you feel it detach. CAUTION • Turn off the power and unplug the projector before replacing the filter.
5. TROUBLESHOOTING This section helps you resolve problems you may encounter while setting up or using the projector. Power/ Status Light Messages Condition Power Indicator Status Indicator Note Standby Steady orange – – Cooling down Blinking green – Blinks green for 60 seconds Lamp in Normal mode Steady green – – Lamp in Eco mode Steady green Steady green – Re-firing the lamp Steady green Blinking orange The projector retries 3 times at an interval of 15 sec for max.
When using the PC Card Viewer function Condition Status No picture • • • • Part of a slide is not displayed • While an image with over 1024 768 dots is projected, several lines of information will be lost. Use the supplied software to change the image to 1024 768 dots in size. Contents of CompactFlash Card are damaged • Use a computer, etc., to repair the data.
6. SPECIFICATIONS This section provides technical information about the LT158/LT157 Projector’s performance. Model Number LT158/LT157 Optical LCD Panel 0.9” p-Si TFT active-matrix, Lens With Micro Lens Array Manual zoom, manual focus 1024 768 dots Lamp F1.7 – 2.1 f=36.5 – 43.7 mm 130W NSH lamp (110W in Eco mode) Image Size The lamp, under normal operating conditions, is warranted for 1500 hours of operation time within 6 months. 25 – 300 inches (0.64 – 7.62 m) diagonal Projection Distance 3.
Cabinet Dimensions LT158/LT157 POWER ON/ STAND BY STATUS PC CARD ACCESS AUTO ADJUST 266 (10.47") SOURCE CA ER E NT NC EL SELECT 19.7 (0.78") MENU 207 (8.15") 40.35 (1.59") 40.3 (1.59") 63 (2.5") 31.2 (1.23") Lens center 5 (0.
D-Sub Pin Assignments DVI Pin Assignments Mini D-Sub 15 Pin Connector DVI connector LT157 LT158 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 Signal Level Video signal : 0.7Vp-p (Analog) Sync signal : TTL level Pin No.
Compatible Input Signal List Signal # # # # # # # # # # # # # # # # # # # NTSC PAL SECAM VESA IBM MAC MAC MAC VESA VESA IBM VESA IBM VESA IBM IBM VESA VESA VESA VESA VESA MAC VESA VESA VESA MAC VESA VESA VESA MAC SUN SGI VESA VESA MAC HP SUN VESA VESA HDTV (1080i)(1125i) HDTV (1080i)(1125i) HDTV (720p)(750p) SDTV (480p)(525p) VESA VESA VESA VESA DVD YCbCr DVD YCbCr Resolution ( Dots ) 640 640 640 640 640 640 640 640 640 720 720 720 720 800 800 800 800 800 832 1024 1024 1024 1024 1024 1024 1152 1152 1152
PC Control Codes Cable Connection LT157 Communication Protocol Baud rate: 38400 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: None Communications Full duplex procedure: Function POWER ON POWER OFF Code Data 02H 00H 00H 00H 00H 02H 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 INPUT SELECT PC CARD VIEWER PICTURE MUTE ON 02H 03H 00H 00H 02H 01H 0BH 13H 02H 03H 00H 00H 02H 01H 1
