LG RD-JT21, RD-JT20 User Manual

DLP PROJECTOR

USER’S GUIDE

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 future reference.

OUTLINE

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 © 2002. All rights reserved. No part of this publication may be reproduced,
transmitted, transcribed, stored in a retrieval system or translated into any language or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical,
chemical, manual or otherwise, without the prior written permission of the company.

Disclaimer

The company makes no representations or warranties, either expressed or implied, with
respect to the contents hereof and specifically disclaims any warranties, merchantability or
fitness for any particular purpose. Furthermore, the company reserves the right to revise this
publication and to make changes from time to time in the contents hereof without obligation of
the company to notify any person of such revision or changes.

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Shipping Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Projector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Projector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

External Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Projector Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Remote Control Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Remote Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installing or Replacing Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Screen Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Connecting to Various Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Digital Keystone Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Auto Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Menu System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1. Display Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2. Image Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3. Source Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4. Control Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5. PIP Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Lamp Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Use and Replacement of Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

LED Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Lamp Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 20

Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 22

Projector Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Timing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

DLP Personal Projector

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INTRODUCTION

Caution

TO PREVENT SHOCK, DO NOT OPEN THE CABINET. NO USER –SERVICE­ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSON­NEL. PLEASE READ THIS USER’S GUIDE BEFORE YOU OPERATE YOUR
PROJECTOR. SAVE THIS USER’S GUIDE FOR FUTURE REFERENCE .

Safety Instructions

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 45 minutes prior to removing the lamp assembly for
replacement. Do not operate lamps beyond the rated lamp life. Excessive
operation of lamps beyond the rated life could cause them to explode on rare
occasions.

3. Never replace 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 qualified technician when service or repair is required. Incorrect
reassembly can cause electric shock when the appliance is subsequently used.

5. Do not place this product on an unstable cart, stand, or table. The product may
fall, causing serious damage to the product. This product is capable of
displaying inverted images for ceiling mount installation. Please use suitable
equipment for mounting the unit and ensure it is securely installed.

6. To prevent lamps from bursting, change the lamp after changing the mounting
position of projectors (desktop to ceiling mount or ceiling mount to desktop
mount).

Caution

• Always open the lens shutter or remove the lens cap when the projector

lamp is on.

• Do not look straight at the projector lens during operation. The intense

light beam may damage your eyesight.

• In some countries, the line voltage is NOT stable. This projector is

designed to operate safely within a bandwidth of 100 to 240 volts, but

could fail if power cuts or surges of ±10 volts occur. In these high-risk

areas, it is recommended to install a power stabilizer unit.

• Do not place this projector on the top of cloth or carpet.

• Do not touch the ventilation grill when the projector is under operation.

DLP Personal Projector

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FCC Statement

CLASS B

This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

— Reorient or relocate the receiving antenna.

— Increase the distance between the equipment and receiver.

— Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

— Consult the dealer or an experienced radio/TV technician for help.

Save this user’s guide: The information contained in this manual will assist you in
operating and maintaining your Personal Projector.

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DLP Personal Projector

Shipping Contents

The Projector is shipped with the necessary cables required for standard PC,
Macintosh or laptop computer connections.Carefully unpack and verify that you
have all the items shown below. If any of these items are missing, please contact
your place of purchase.

Batteries

Projector

Audio Cable

S-Video Cable

Video Cable

Optional Accessories

1. Spare lamp kit

2. Mac Adapter

User’s Manual

220V

240V

Power Cord

Remote Control

110V

HDTV Cable

Deluxe Soft Carry Case

3-2 Converter

VGA Cable

DLP Personal Projector

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Projector Description

Projector

1. External control panel
(see next page)

2. Projection lens

3. Front adjustment feet

4. IR remote sensor

5. Ventilation grill

6. Kensington lock

7. AC power cord input

8. S-video connector

9. Video connector

10. D-sub connector
(for computer/ input)

11. Audio input

12. Rear adjustment feet

13. Lamp access door
(underneath unit)

12

5

4

DLP Personal Projector

External Control Panel

Exit

- Keystone / Left
Menu

KEY

­STONE

EXIT

MENU

AUTO SOURCE POWER

KEY
STONE

+

Keystone +/ Right

Lamp status indicator

•The Infrared Remote Receiver (Front and Rear) allows the projector to
accept signals from the remote control. For best results, be sure to aim the
control toward the sensor without any obstructions between the two, and at a
distance no greater than 6 meters.

• Menu will display the menu system on screen. Press Menu again to access the
sub-menus. Left and Right help you navigate among choices and settings in
the menus and sub-menus. However, when the onscreen menu is not
activated, the Left and Right buttons will function as Keystone +/- hot keys.

• Press the Exit button to go back to the main menu. Press Exit again to leave
the menu system.

•The Status Indicator will blink or light up when the lamp needs service, cooling
or replacement. See “Lamp Information” on page 19. for more detailed
information.

• When the projector is on, back-lit Power will blink during warm-up and turn to
solid green to indicate the projector is ready for use.

• Press Power for 1 second to turn the projector on or off.

• Auto key: Automatically sense the best picture quality for current received
signals.

• Source key: Select signal sources, PC, Video, S-video and YPbPr.

DLP Personal Projector

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