Document Outline

• DLP Projector
• Thank you for purchasing the DLP Projector.
• Please read this user’s guide to ensure correct use of the device. Save this user’s guide for fut...
• This DLP Projector can display various computer signals and NTSC/PAL/SECAM video signals.
  • Features
    • 1. High Brightness
    • 2. High Resolution
    • 3. Compact Size, Feather Weight for Portability
    • 4. Durable Magnesium Alloy Body
    • 5. RGB input Terminal
    • 6. One Touch Auto-Adjustment Function
    • 7. Easy Keystone Adjustment
• Copyright
  • Copyright © 2003. All rights reserved. No part of this publication may be reproduced, transmitted...
• Disclaimer
  • The company makes no representations or warranties, either expressed or implied, with respect to ...
    • Introduction 1
    • Installation 10
    • Operation 12
    • Maintenance 20
    • Troubleshooting 22
    • Specifications 23
    • Dimensions 25
• Introduction
  • 1. Read this user’s guide before you operate your projector and save it for future reference.
  • 2. The lamp becomes extremely hot during operation. Allow the projector to cool for approximately...
  • 3. Never replace the lamp assembly or any electronic components unless the projector is unplugged.
  • 4. To reduce the risk of electric shock, do not disassemble this appliance. Take it to a qualifie...
  • 5. Do not place this product on an unstable cart, stand, or table. The product may fall, sustaini...
  • 6. Do not touch the top cover when the projector is under operation.
  • 7. The projector must be packaged into a carry bag while moving to another place for operation.
  • The Projector is shipped with the cables required for connection to standard PC or laptop compute...
    • 1. 150W lamp module
    • 2. Macintosh adapter
  • The indicator shows green for a normal state. When the projector is operated improperly, it shows...
  • Press the POWER key to turn the projector on or off.
  • Automatically determines the best picture settings for current received signals. (PC Mode Only)
  • Selects signal sources from among PC, Video, S-Video and YPBPR.
  • Selects to display an entirely blue, black, green or LG logo screen.
  • The projector is equipped with 1 quick-release adjuster foot. Push the button to adjust its tilt ...
    • 1. Lift the projector up and press the adjuster button to release the adjuster.
    • 2. The adjuster will drop into position and be locked.
  • Note: The adjuster can only bear the weight of the projector itself . Please do not place any add...
  • The projector integrates high-performance optical engine projection and a user- friendly design t...
  • The projector offers the following features:
  • Note: The brightness of the projected image will vary depending on the ambient lighting condition...
  • The remote control sensors are located in the front/ back of the projector.
  • Press and open the battery compartment lid in the direction.
• Installation
  • Place the projector at the required distance from the screen according to the desired picture siz...
  • L Projection Distance
  • HDTV description
    • The projector is capable of displaying various High Definition TV display modes. Some of these so...
    • Most of these sources will provide an analog component video output, a standard VGA output, or a ...
    • The projector is capable of accepting HDTV data through a YPBPR connector. Use a HDTV cable that ...
    • The following standards are supported in the HDTV function:
    • Please refer to "Menu System" on page 14 for information on the HDTV (YPBPR) OSD selections.
  • Connecting to Various Equipment
    • It only takes a few seconds to connect your projector to your desktop or notebook computer, VCR, ...
• Operation
  • 1. Plug the power cord into a wall socket. Open the front Door to Power ON.
  • 2. When plugging-in, the ORANGE Leds light. Press the Power button to turn on the projector. Then...
  • 3. Switch on all connected equipment.
  • Keystoning refers to the situation where the projected image is noticeably wider at either the to...
  • In some cases, you may need to optimize the picture quality. To do this, press the AUTO key on th...
  • *This function is available only in PC mode.
  • When several input sources are available, press the SOURCE key to make a selection from the contr...
  • Press Menu for the main menu, and then press Joystick to select a sub-menu. Press ENTER again to ...
  • Default
  • Projects images when the projector is 180 degrees horizontally rotated.
  • Default
  • Projects images when the projector is 180 degrees vertically rotated.
  • This sub-menu only works in PC mode.
    • 1. Press POWER and a warning message will appear. To turn off the projector, press POWER again.
    • 2. To cool down the projector, the fan will continue to run for approximately 90 seconds, during ...
  • * After the projector is turned off, there is a 90-second cooling period before the projector can...
    • 3. Disconnect the power cord from the wall socket.
• Maintenance
  • The lamp life is 1500 hours. When the Power Indicator lights up red and the Lamp Indicator lights...
  • Please check with LG service center for the information of lamp replacement.
  • When the two LED light up, they are warning you of the following possible problems:
• Troubleshooting
• Specifications
  • Technical Specifications
    • Product name
    • Personal Projector
    • Model name
    • RD-JT30 1024X768 XGA
    • RD-JT31 800X600 SVGA
    • Display system
    • 1-CHIP DMD
    • Lens F/Number
    • F/2.4
    • Lamp
    • 150W NSH lamp
    • Electrical
    • Power supply
    • AC100 ~ 240V, 3A, 50/60 Hz (Automatic)
    • Power consumption
    • 250 W (Max)
    • Dimensions
    • 248 mm (W) x 59 mm (H) x 170 mm (D)
    • Operating temperature range
    • 5˚C ~ 35˚C
    • Weight
    • 3 lbs (1.7 Kg)
    • Computer input
    • RGB input (HDTV: YPBPR)
    • D-sub 15-pin (female)
    • Video signal input
    • S-VIDEO
    • Mini DIN 4-pin port x1
    • VIDEO
    • RCA jack x1
    • Output
    • USB mouse connector
    • A/B series x1
  • Resolution
  • H Sync (kHz)
  • V Sync (Hz)
  • Remark
    • 640x350
    • 31.5
    • 70.1
    • 640x400
    • 37.9
    • 85.1
    • VESA
    • 720x400
    • 31.5
    • 70.0
    • 720x400
    • 37.9
    • 85.1
    • VESA
    • 640x480
    • 31.5
    • 60.0
    • VESA
    • 640x480
    • 35.0
    • 66.7
    • Macintosh
    • 640x480
    • 37.9
    • 72.8
    • VESA
    • 640x480
    • 43.3
    • 85.0
    • VESA
    • 800x600
    • 35.2
    • 56.3
    • VESA
    • 800x600
    • 37.9
    • 60.3
    • VESA
    • 800x600
    • 48.1
    • 72.2
    • VESA
    • 800x600
    • 46.9
    • 75.0
    • VESA
    • 800x600
    • 53.7
    • 85.1
    • VESA
    • 832x624
    • 49.7
    • 74.5
    • Macintosh
    • 1024x768
    • 48.4
    • 60.0
    • VESA
    • 1024x768
    • 56.5
    • 70.1
    • VESA
    • 1024x768
    • 60.0
    • 75.0
    • VESA
    • 1024x768
    • 68.7
    • 85.0
    • VESA
    • 1280x1024
    • 64.0
    • 60.0
    • VESA
• Dimensions
  • Unit: mm