Page 2 - Important Information; Safety Cautions
i Important Information Safety Cautions Precautions Please read this manual carefully before using your NEC LT20 Projector and keep the manual handy for future refer-ence. Your serial number is located on the bottom of your projector. Record it here: CAUTION To turn off main power, be sure to remove...
Page 3 - ii
ii Important Information RF Interference (for USA only) WARNING The Federal Communications Commission does not allow any modifications or changes to the unit EXCEPT thosespecified by NEC Solutions (America), Inc. in this manual. Failure to comply with this government regulation couldvoid your right ...
Page 4 - iii
iii 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 ( 3 0 cm) of space between your projector and a wall. 2. Prevent foreign objects such as...
Page 5 - Table of Contents
1 ... English Table of Contents Table of Contents ....................................................................................... 1 Usage Notice .............................................................................................. 2 Precautions .........................................
Page 6 - Usage Notice
2 English ... Usage Notice Precautions Follow all warnings, precautions and maintenance as recom-mended in this user’s guide to maximize the life of yourunit. Warning- Do not look into the projector’s lens when the lamp ison. The bright light may hurt your eyes. Warning- To reduce the risk of fire o...
Page 8 - Product Features; This product is an XGA single chip 0.7” DLP; Outstanding features include:; Introduction
4 English ... Product Features This product is an XGA single chip 0.7” DLP TM projector. Outstanding features include: True XGA, 1024 x 768 addressable pixels Single chip DLP TM technology NTSC/NTSC4.43/PAL/PAL-M/PAL-N/SECAM,Component (480i/p, 576i/p) and HDTV compatible Full function remote...
Page 10 - Main Unit; Product Overview
6 English ... Main Unit Product Overview 1. Zoom Lever 2. Focus Ring 3. Zoom Lens 4. Elevator Foot 5. Elevator Button 6. Remote Sensor 7. Control Panel 8. Connection Ports 9. AC Inlet Introduction 7 7 1 6 8 9 2 3 4 5 6
Page 11 - Control Panel
7 ... English Control Panel 1. Lamp Indicator LED 2. Status Indicator LED 3. Power Indicator LED 4. Enter 5. Keystone Correction 6. Exit 7. Source 8. On/Standby 9. Four Directional Select Keys 10. Menu11. Auto Adjustment Introduction 1 9 3 5 4 6 8 7 1 1 2 5 1 0
Page 12 - Connection Ports
8 English ... Introduction Connection Ports 1. Kensington TM Lock Port 2. For Service Use Only 3. S-Video Input Connector 4. Composite Video Input Connector 5. VGA Connector (PC Analog Signal/HDTV/Component VideoInput) 6. Remote Sensor 7. AC Inlet 2 3 5 4 1 7 6
Page 13 - Remote Control
9 ... English Remote Control 8 9 1. IR LEDS 2. Auto Adjustment 3. Power 4. Keystone Correction 5. Exit 6. Aspect Ratio 7. Freeze 8. Source 9. Four Directional SelectKeys 10. Menu11. Enter12. Picture Mute 3 5 11 7 Introduction 4 2 1 10 6 12
Page 14 - Connecting the Projector; Installation
10 English ... 1. ............................................................................................................. Power Cord2. .............................................................................................................. VGA Cable3. .......................................
Page 15 - Powering On the Projector; orange; And the Power LED will; flash green; Powering On/Off the Projector
11 ... English Installation On/Standby Powering On the Projector 1. Remove the lens cap. 2. Ensure that the power cord and signal cable are securelyconnected. The Power LED will turn orange . 3. Turn on the lamp by pressing “On/Standby” button on thecontrol panel. n And the Power LED will flash gree...
Page 16 - Warning Indicator; When the “LAMP” indicator lights; Powering Off the Projector; Power Off; The cooling fans continue to operate for about; flash orange; When the light; stops; flashing and; turns orange
12 English ... Installation Warning Indicator When the “LAMP” indicator lights solid red , the projector will automatically shut itself down. Please contact your localreseller or service center. When the “STATUS” indicator lights solid red , it indicates the projector has been overheated. You wi...
Page 17 - Adjusting the Projected Image; Adjusting the Projector Image Height
13 ... English Adjusting the Projected Image Adjusting the Projector Image Height Tilt Adjusting Wheel Elevator Foot 1 2 3 Elevator Button The projector is equipped with an elevator foot for adjustingthe image height. To raise the image: 1. Press the elevator button n . 2. Raise the image to the des...
Page 18 - Adjusting the Projector Zoom / Focus; Diagonal
14 English ... 63.4" (160.9cm) 105.6" (268.2cm) 147.8" (375.5cm) 169.0" (429.2cm) 211.2" (536.5cm) 36.9" (93.8cm) 73.8" (187.5cm) 123.0" (312.5cm) 172.2" (437.5cm) 196.9" (500.0cm) 246.1" (625.0cm) 4.92' 32.81' 26.25' 22.97' 16.40' 9.84' (1.5m) (10.0m) (8....
Page 19 - User Controls; Control Panel & Remote Control
15 ... English User Controls Remote Control Control Panel Control Panel & Remote Control There are two ways for you to control the functions: RemoteControl and Control Panel. Using the Control Panel On/Standby Refer to the “Powering On/Off the Projector” section on pages11-12. Source Press “Sour...
Page 21 - How to operate
17 ... English The Projector has multilingual On-Screen menus that allow youto make image adjustments and change a variety of settings. Theprojector 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 displ...
Page 22 - Language
18 English ... Language Language Choose the multilingual OSM menu . Use the or key to select your preferred language. Press “Enter” to finalize the selection. User Controls
Page 27 - Setup
23 ... English Setup Menu Location Choose the menu location on the display screen. Orientation Front-Desktop The factory default setting. Rear-Desktop When you select this function, the projector reverses the imageso you can project behind a translucent screen. Lamp Hour Display the cumulative lamp ...
Page 28 - Lamp Mode; Reset
24 English ... Setup User Controls Lamp Mode Choose “ECO” to dim the projector lamp which will lower powerconsumption 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 whenthe changing lamp messa...
Page 29 - Appendices; Troubleshooting
25 ... English Appendices Problem: No image appears on-screen. Ensure all the cables and power connections are correctly andsecurely 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...
Page 30 - Problem: Image is unstable or flickering
26 English ... 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 monitortypes” under the “Manufacturers” box; choose the resolutionmode you need under the...
Page 32 - Replacing the lamp; The projector will detect the lamp life itself. It will show; Lamp Changing Procedure:; To replace the lamp module, reverse the previous steps.
28 English ... Replacing the lamp The projector will detect the lamp life itself. It will show you a warning message “The lamp has reached the end of itsusable life. Please replace the lamp.” When you see thismessage, change the lamp as soon as possible. Make sure the projector has been cooled down ...
Page 33 - Specifications
29 ... English Specifications Light Valve - Single Chip DLP TM 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 inc...
Page 34 - Compatibility Modes
30 English ... VESA VGA 640 x 350 70 31.5 VESA VGA 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 35.2 SVGA 800 x 600 60 3...
Page 35 - TravelCare Guide
A-1 Appendix TravelCare Guide TravelCare - a service for international travelers This product is eligible for "TravelCare", NEC's unique international war-ranty.Please note that TravelCare coverage differs in par t from coverage un-der the warranty included with the product. Services offered...
Page 39 - LIMITED WARRANTY
NEC SOLUTIONS’ PROJECTOR PRODUCTS NEC Solutions (America), Inc. (hereafter NEC Solutions) warrantsthis product to be free from defects in material and workmanshipunder the following terms. HOW LONG IS THE WARRANTY NEC Solutions’ LT20 projector is covered by a two (2) year lim-ited parts and labor wa...
Page 40 - D E C L A R AT I O N O F C O N F O R M I T Y
D E C L A R AT I O N O F C O N F O R M I T Y U.S. Responsible Party:Address: Tel. No.: NEC Solutions (America), Inc.1250 N. Arlington Heights RoadItasca, Illinois 60143(630) 467-5000 Type of Product: Equipment Classification: Model: Projector Class B Peripheral LT20 We hereby declare that the equipm...
