Important Information Safety Cautions Precautions Please read this manual carefully before using your NEC LT20 Projector and keep the manual handy for future reference. Your serial number is located on the bottom of your projector. Record it here: CAUTION To turn off main power, be sure to remove the plug from power outlet. The power outlet socket should be installed as near to the equipment as possible, and should be easily accessible. CAUTION TO PREVENT SHOCK, DO NOT OPEN THE CABINET.
Important Information RF Interference (for USA only) WARNING The Federal Communications Commission does not allow any modifications or changes to the unit EXCEPT those specified by NEC Corporation of America in this manual. Failure to comply with this government regulation could void your right to operate this equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Important Information Fire and Shock Precautions 1. Ensure that there is sufficient ventilation and that vents are unobstructed to prevent the build-up of heat inside your projector. Allow at least 12 inches (30 cm) of space between your projector and a wall. 2. Prevent foreign objects such as paper clips and bits of paper from falling into your projector. Do not attempt to retrieve any objects that might fall into your projector.
Table of Contents Table of Contents ....................................................................................... 1 Usage Notice .............................................................................................. 2 Precautions ......................................................................................................... 2 Introduction ............................................................................................... 4 Product Features ...........................
Usage Notice Precautions Follow all warnings, precautions and maintenance as recommended in this user’s guide to maximize the life of your unit. Warning- Do not look into the projector’s lens when the lamp is on. The bright light may hurt your eyes. Warning- To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. Warning- Please do not open or disassemble the projector as this may cause electric shock.
Usage Notice Warning- When the lamp reaches the end of its life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn back on until the lamp module has been replaced. To replace the lamp, follow the procedures listed under “Replacing the Lamp”. Do: Turn off the projector before cleaning. Use a soft cloth moistened with mild detergent to clean the display housing.
Introduction Product Features This product is an XGA single chip 0.7” DLPTM projector. Outstanding features include: True XGA, 1024 x 768 addressable pixels Single chip DLPTM technology NTSC/NTSC4.
Introduction What's in the Box? This projector comes with all the items shown below. Check to make sure your unit is complete. Contact your dealer immediately if anything is missing. CAUTION: Be sure to put the projector in the soft case with the lens upward so as not to damage the lens. Projector with lens cap Power Cord 1.8m VGA Cable 1.8m Composite Video Cable 1.8m S-Video Cable 1.
Introduction Product Overview Main Unit 7 1 2 6 5 3 7 8 6 1. 2. 3. 4. 5. 6. 7. 8. 9. English ...
Introduction Control Panel 1 11 5 10 9 2 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 3 4 5 6 7 8 Lamp Indicator LED Status Indicator LED Power Indicator LED Enter Keystone Correction Exit Source On/Standby Four Directional Select Keys Menu Auto Adjustment 7 ...
Introduction Connection Ports 1 1. 2. 3. 4. 5. 6. 7. English ...
Introduction Remote Control 1. 2. 3. 4. 5. 6. 7. 8. 9. 1 2 8 3 9 IR LEDS Auto Adjustment Power Keystone Correction Exit Aspect Ratio Freeze Source Four Directional Select Keys 10. Menu 11. Enter 12. Picture Mute 4 10 11 5 12 6 7 9 ...
Installation Connecting the Projector 2 RGB 1 S-Video Output Video Output 4 3 1. ............................................................................................................. Power Cord 2. .............................................................................................................. VGA Cable 3. ......................................................................................... Composite Video Cable 4. .............................................................
Installation Powering On/Off the Projector Powering On the Projector 1. Remove the lens cap. 2. Ensure that the power cord and signal cable are securely connected. The Power LED will turn orange. 3. Turn on the lamp by pressing “On/Standby” button on the control panel. n And the Power LED will flash green. The startup screen will display for 20 seconds and the Power LED will turn green. 4. Turn on your source (computer, notebook, video player, etc.). The projector will detect your source automatically.
Installation Powering Off the Projector 1. Press the “On/Standby” button to turn off the projector lamp, you will see a message “Power Off” on the on-screen display. 2. Press the “On/Standby” button again to confirm. Otherwise the message will disappear after 5 seconds. 3. The cooling fans continue to operate for about 100 seconds for cooling cycle and the Power LED will flash orange. When the light stops flashing and turns orange, the projector has entered standby mode.
Installation Adjusting the Projected Image Adjusting the Projector Image Height The projector is equipped with an elevator foot for adjusting the image height. To raise the image: 1. Press the elevator button n. 2. Raise the image to the desired height angle o, then release the button to lock the elevator foot into position. 3. Use p to fine-tune the display angle. To lower the image: 1. Press the elevator button. 2. Lower the image, then release the button to lock the elevator foot into position. 3.
Installation Adjusting the Projector Zoom / Focus You may turn the zoom lever to zoom in or out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances from 4.9 to 32.8 feet (1.5 to 10.0 meters). Zoom Lever Focus Ring Adjusting Projected Image Size 246.1" (625.0cm) Diagonal 73.8" (187.5cm) 36.9" (93.8cm) 31.7" (80.5cm) 63.4" (160.9cm) 123.0" (312.5cm) 105.6" (268.2cm) 172.2" (437.5cm) 147.8" (375.5cm) 196.9" (500.0cm) 169.0" (429.2cm) 211.
User Controls Control Panel & Remote Control There are two ways for you to control the functions: Remote Control and Control Panel. Control Panel Remote Control Using the Control Panel On/Standby 4 Refer to the “Powering On/Off the Projector” section on pages 11-12. Source 4 Press “Source” to choose RGB, Component, HDTV, Composite video and S-video sources. Menu 4 Press “Menu” to launch the on-screen menu (OSM). Keystone / 4 Adjusts image distortion caused by tilting the projector (±8 degrees).
User Controls AUTO ADJ. (Auto adjustment) 4 Automatically synchronizes the projector to the input source. Exit 4 Exit the OSM menu. Using the Remote Control Power 4 Refer to the “Powering On/Off the Projector” section on pages 11-12. AUTO ADJ. (Auto adjustment) .. “ ” should be pressed, the keystone could be adjust. 4 Automatically synchronizes the projector to the input source. Keystone 4 Adjusts image distortion caused by tilting the projector (±8 degrees).
User Controls On-Screen Menus The Projector has multilingual On-Screen menus that allow you to make image adjustments and change a variety of settings. The projector will automatically detect the source. How to operate 1. To open the OSM menu, press “Menu” on the Remote Control or Control Panel. 2. When OSM is displayed, use keys to select any item in the main menu. While making a selection on a particular page, press “Enter” key to enter sub menu. 3.
User Controls Language Language Choose the multilingual OSM menu . Use the your preferred language. Press “Enter” to finalize the selection. English ...
User Controls Image (All) Brightness Adjust the brightness of the image. 4 Press the 4 Press the Contrast to darken image. to lighten the image. The contrast controls the degree of difference between the lightest and darkest parts of the picture. Adjusting the contrast changes the amount of black and white in the image. 4 Press the to decrease the contrast. 4 Press the to increase the contrast. White Peaking White peaking can be incrementally adjusted between 0 and 10.
User Controls Image (All) 4 4:3 : The input source will be scaled to fit the projection-screen. 4 16:9 : The input source will be scaled to fit the width of the screen. Display Mode There are many factory presets optimized for various types of images. 4 Presentation : For presentation. 4 Video : For home theater. 4 Game : For game. 4 sRGB : For PC standard color. 4 User : Memorize user’s settings.
User Controls Image Computer (Computer mode) Auto Adjust The projector automatically adjusts clock, phase, horizontal and vertical. With most signal sources, Auto Adjust provides the best results. Clock “Clock”changes the display data frequency to match the frequency of your computer’s graphic card. If you experience a vertical flickering bar, use this function to make an adjustment. Phase “Phase” synchronizes the signal timing of the display with the graphic card.
User Controls Image Video (Video mode) Color Adjusts a video image from black and white to fully saturated color. 4 Press the to decrease the amount of color in the image. 4 Press the to increase the amount of color in the image. Sharpness Adjusts the sharpness of the image. 4 Press the to decrease the sharpness. 4 Press the to increase the sharpness. Hue Adjusts the color balance of red and green. 4 Press the to increase the amount of green in the image.
User Controls Setup Menu Location Choose the menu location on the display screen. Orientation 4 Front-Desktop The factory default setting. 4 Rear-Desktop When you select this function, the projector reverses the image so you can project behind a translucent screen. Remark : The formula is : “ECO mode” lamp hours x 0.67 = “Normal mode” lamp hours. Lamp Hour Display the cumulative lamp operating time.
User Controls Setup Lamp Mode Choose “ECO” to dim the projector lamp which will lower power consumption and extend the lamp life by up to 150%. Choose ”Normal” to return standard mode. Lamp Reminding Choose this function to show or to hide the warning message when the changing lamp message is displayed. The message will show up 100 hours before end of life. Clear Lamp Hour Turns the lamp hour counter to 0 hours.
Appendices Troubleshooting If you experience trouble with the projector, refer to the following information. If the problem persists, please contact your local reseller or service center. Problem: No image appears on-screen. 4 Ensure all the cables and power connections are correctly and 4 4 4 4 securely connected as described in the “Installation” section. Ensure the pins of connectors are not crooked or broken. Check if the projection lamp has been securely installed.
Appendices 4. Follow the above steps 1-2. Click on the “Advanced Properties” button. 5. Select the “Change” button under the “Monitor” tab. 6. Click on “Show all devices”. Then select “Standard monitor types” under the “Manufacturers” box; choose the resolution mode you need under the “Models” box. 7. Verify that the resolution setting of the monitor display is less than or equal to 1024 x 768. 4 If you are using a Notebook PC: 1.
Appendices Problem: The image is stretched when displaying 16:9 DVD. The projector automatically detects 16:9 DVD and adjusts the aspect ratio by digitizing to full screen with 4:3 default setting. If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following: 4 Please select 4:3 aspect ratio type on your DVD player if you are playing a 16:9 DVD.
Appendices Replacing the lamp Warning: Lamp compartment is hot! Allow it to cool down before changing lamp! The projector will detect the lamp life itself. It will show you a warning message “The lamp has reached the end of its usable life. Please replace the lamp.” When you see this message, change the lamp as soon as possible. Make sure the projector has been cooled down for at least 60 minutes before changing the lamp.
Appendices Specifications Light Valve - Single Chip DLPTM Technology by Texas Instruments Number of Pixels - 1024 pixels(H) X 768 lines(V) Displayable Color - 16.7M colors Projection Lens - F/2.7~2.88 f=28.43~32.75mm with 1.15x Manual zoom lens Projection Screen Size (Diag.) - 31.7 to 246.1 inches (0.81 to 6.25 meters) Diagonal Projection Distance - 4.92 to 32.8 feet (1.5 to10.0 meters) Video Compatibility - NTSC/NTSC 4.
Appendices Compatibility Modes Remark : 1.> “*”compressed computer image. 2.> The interlaced analog signals are not supported. English ... 30 Mode Resolution VESA VGA VESA VGA (ANALOG) V.Frequency (Hz) H.Frequency (kHz) 640 x 350 70 31.5 640 x 350 85 37.9 VESA VGA 640 x 400 85 37.9 VESA VGA 640 x 480 60 31.5 VESA VGA 640 x 480 72 37.9 VESA VGA 640 x 480 75 37.5 VESA VGA 640 x 480 85 43.3 VESA VGA 720 x 400 70 31.5 VESA VGA 720 x 400 85 37.9 SVGA 800 x 600 56 35.
Appendix TravelCare Guide NOTE: The product can be used overseas with voltages of 100 to 120V and 200 to 240V by using a power cable suited for the standards and power source voltage of the country in which the product is being used. TravelCare - a service for international travelers This product is eligible for "TravelCare", NEC's unique international warranty. Please note that TravelCare coverage differs in part from coverage under the warranty included with the product.
Appendix In Asia and Middle East NEC Viewtechnology, Ltd. Address: 686-1, Nishioi, Oi-Machi, Ashigarakami-Gun, Kanagawa 258-0017, Japan Telephone: +81 465 85 2369 Fax Line: +81 465 85 2393 Email Address: support_pjweb@nevt.nec.co.jp WEB Address: http://www.nec-pj.com Lenso Communication Co., Ltd. Address: 292 Lenso House 4, 1st Floor, Srinakarin Road, Huamark, Bangkapi, Bangkok 10240, Thailand Telephone: +66 2 375 2425 Fax Line: +66 2 375 2434 Email Address: pattara@lenso.com WEB Address: http://www.lenso.
Appendix Date: / / P-1/ , , TO: NEC or NEC's Authorized Service Station: FM: (Company & Name with signature) Dear Sir (s), I would like to apply your TravelCare Service Program based on attached registration and qualification sheet and agree with your following conditions, and also the Service fee will be charged to my credit card account, if I don't return the Loan units within the specified period. I also confirm following information is correct. Regards.
Appendix 5. Loan Service Charges and Conditions: Upon acceptance of this NEC Projector, Customer agrees to assume liability for this loan unit. Condition of your TravelCare Service Program Enduser is requested to understand following condition of TravelCare Service Program and complete the necessary information on the application sheet. The current cost of use of this loan unit is $200.00 USD for 12 calendar days.
