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NEC LT20 - page 1
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NEC LT20 - page 2
i Important Information Safety Cautions Precautions Please read this manual carefully bef ore using your NEC L T20 Projector and keep the man ual handy for future ref er- ence. Y our serial number is located on the bottom of y our projector . Record it here: CA UTION T o tur n off main pow er , be sure to remove the plug from po wer outlet. The pow ...
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NEC LT20 - page 3
ii Important Information RF Interference (for USA only) W ARNING The F ederal Communications Commission does not allow an y modifications or changes to the unit EXCEPT those specified by NEC Solutions (America), Inc. in this manual. F ailure to comply with this government regulation could void y our right to operate this equipment. This equipment h ...
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NEC LT20 - page 4
iii Important Information Fire and Shock Pr ecautions 1. Ensure that there is sufficient v entilation and that vents are unobstructed to prev ent the build-up of heat inside y our projector. Allow at least 12 inches ( 3 0 cm) of space betw een your projector and a wall. 2. Pre vent f oreign objects such as paper clips and bits of paper from falling ...
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NEC LT20 - page 5
1 ... English Table of Contents T able of Contents ....................................................................................... 1 Usage Notice .............................................................................................. 2 Precautions ....................................................................................... ...
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NEC LT20 - page 6
2 English ... Usage Notice Precautions Follow all warnings, precautions and maintenance as recom- mended 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 produc ...
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NEC LT20 - page 7
3 ... English Do: Turn off the projector before cleaning. Use a soft cloth moistened with mild detergent to clean the display housing. Disconnect the power plug from AC outlet if the projector is not being used for a long period of time. Don’t: Block the slots and openings on the projector provided for ventilation. Use abrasiv ...
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NEC LT20 - page 8
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 control User friendly multilingual ...
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NEC LT20 - page 9
5 ... English Power Cord 1.8m VGA Cable 1.8m Remote Control 2 x Battery Introduction Composite Video Cable 1.8m Projector with lens cap 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. Soft Case Documents : ; User’s Guide ...
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NEC LT20 - page 10
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 ...
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NEC LT20 - page 11
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 1 0 . Menu 1 1 . Auto Adjustment Introduction 1 9 3 5 4 6 8 7 11 2 5 10 ...
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NEC LT20 - page 12
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 Video Input) 6 . Remote Sensor 7 . AC Inlet 2 3 5 4 1 7 6 ...
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NEC LT20 - page 13
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 Select Keys 1 0 . Menu 1 1 . Enter 1 2 . Picture Mute 3 5 11 7 Introduction 4 2 1 10 6 12 ...
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NEC LT20 - page 14
10 English ... 1. ............................................................................................................. Power Cord 2. .............................................................................................................. VGA Cable 3. .................................................................................... ...
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NEC LT20 - page 15
11 ... English Installation On/Standby 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 s ...
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NEC LT20 - page 16
12 English ... Installation Warning Indicator When the “LAMP” indicator lights solid red , the projector will automatically shut itself down. Please contact your local reseller or service center. When the “STATUS” indicator lights solid red , it indicates the projector has been overheated. You will see a message “Projec- tor Overh ...
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NEC LT20 - page 17
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 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 ...
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NEC LT20 - page 18
14 English ... 63.4" (160.9cm) 105.6" (268.2cm) 147.8" (375.5cm) 169.0" (429.2cm) 21 1.2" (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) (8.0m) (7.0 ...
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NEC LT20 - page 19
15 ... English User Controls Remote Control Control Panel Control Panel & Remote Control There are two ways for you to control the functions: Remote Control and Control Panel. Using the Control Panel On/Standby Refer to the “Powering On/Off the Projector” section on pages 11-12. Source Press “Source” to choose RGB, Component, HD ...
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NEC LT20 - page 20
16 English ... User Controls Using the Remote Control Power Refer to the “Powering On/Off the Projector” section on pages 11-12. AUTO ADJ. (Auto adjustment) Automatically synchronizes the projector to the input source. Keystone Adjusts image distortion caused by tilting the projector (±8 degrees). Press the gyro-wheel first, and th ...
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NEC LT20 - page 21
17 ... English 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 mai ...
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NEC LT20 - page 22
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 ...
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NEC LT20 - page 23
19 ... English Image (All) Brightness Adjust the brightness of the image. Press the to darken image. Press the to lighten the image. Contrast 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. Press the to decrea ...
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NEC LT20 - page 24
20 English ... Image (All) 4:3 : The input source will be scaled to fit the projection-screen. 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. Presentation : For presentation. Video : For home theater. Game : For game. s ...
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NEC LT20 - page 25
21 ... English 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 ba ...
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NEC LT20 - page 26
22 English ... Image Video (Video mode) Color Adjusts a video image from black and white to fully saturated color. Press the to decrease the amount of color in the image. Press the to increase the amount of color in the image. Sharpness Adjusts the sharpness of the image. Press the to decrease the sharpness. Press the to increase th ...
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NEC LT20 - page 27
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 image so you can project behind a translucent screen. Lamp Hour Display the cumulative lamp operating time. The lamp hour in OSM is c ...
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NEC LT20 - page 28
24 English ... Setup User Controls 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 ...
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NEC LT20 - page 29
25 ... English Appendices Problem: No image appears on-screen. Ensure all the cables and power connections are correctly and 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. Please refer to the “Replacin ...
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NEC LT20 - page 30
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 monitor types” under the “Manufacturers” box; choose the resolution mode you need under the “Models” box. 7. Veri ...
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NEC LT20 - page 31
27 ... English 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: Please select 4:3 aspect ratio typ ...
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NEC LT20 - page 32
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 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 ...
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NEC LT20 - page 33
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 inches (0.81 to 6.25 meters) Diagonal Projection Dist ...
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NEC LT20 - page 34
30 English ... VES A VGA 640 x 35 0 70 31 . 5 VES A VGA 640 x 35 0 85 37 . 9 VES A VGA 640 x 40 0 85 37 . 9 VES A VGA 640 x 48 0 60 31 . 5 VES A VGA 640 x 48 0 72 37 . 9 VES A VGA 640 x 48 0 75 37 . 5 VES A VGA 640 x 48 0 85 43 . 3 VES A VGA 720 x 40 0 70 31 . 5 VES A VGA 720 x 40 0 85 37 . 9 SVG A 80 0 x 60 0 56 35 . 2 SVG A 80 0 x 60 0 60 37 . 9 ...
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NEC LT20 - page 35
A-1 Appendix T ravelCar e Guide T ravelCare - a service for international travelers This product is eligible f or "T rav elCare", NEC's unique inter national war- ranty . Please note that T ra velCare cover age differs in part from coverage un- der the warr anty included with the product. Services offer ed with T ravelCare This warra ...
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NEC LT20 - page 36
A-2 Appendix Lenso Communication Co ., Ltd. Address: 292 Lenso House 4, 1st Floor , Srinakarin Road, Huamark, Bangkapi, Bangkok 10240, Thailand T elephone: +66 2 375 2425 F ax Line: +66 2 375 2434 Email Address: pattara@lenso .com WEB Address: http://www .lenso.com (Regions Cov ered) Thailand ABBA Electronics L.L.C. Address: T ariq Bin Ziyad Road, ...
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NEC LT20 - page 37
A-3 Appendix T O: NEC or NEC's A uthorized Service Station: FM: (Company & Name with signature) Dear Sir (s), I would lik e to apply your T ravelCare Service Program based on attached registration and qualification sheet and ag ree with your f ollowing conditions, and also the Service fee will be charged to m y credit card account, if I do ...
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NEC LT20 - page 38
A-4 Appendix Ve r. 1 01/0 5 5. Loan Ser vice Charges and Conditions: Upon acceptance of this NEC Projector , Customer agrees to assume liability for this loan unit. The current cost of use of this loan unit is $200.00 USD f or 12 calendar days. If Customer does not return the unit within the 12 calendar days, Cus- tomer will be charged the next hig ...
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NEC LT20 - page 39
NEC SOLUTIONS’ PROJECTOR PRODUCTS NEC Solutions (America), Inc. (hereafter NEC Solutions) warrants this product to be free from defects in material and workmanship under the following terms. HOW LONG IS THE W ARRANTY NEC Solutions’ L T20 projector is covered by a two (2) year lim- ited parts and labor warranty from the date of the first custome ...
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NEC LT20 - page 40
DECLARA TION OF CONFORMITY U.S. Responsible Party: Address: Tel. No.: NEC Solutions (America), Inc. 1250 N. Arlington Heights Road Itasca, Illinois 60143 (630) 467-5000 Type of Product: Equipment Classification: Model: Projector Class B Peripheral LT20 W e her eby declar e that the equipment specified above conforms to the technical standar ds as s ...
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