LG Electronics Projector RD JT31 800X600 SVGA 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  
 
Table of Contents  
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
EEC 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  
Installing or Replacing Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .10  
Display Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Connecting to Various Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12  
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Digital Keystone Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
Auto Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
Menu System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
1. VIDEO Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
2. POSITION Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
3. SPECIAL Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
4. TRACKING Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .20  
Lamp Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Use and Replacement of the Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Lamp Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Operative Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . .22  
Common Problems & Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
DLP Personal Projector  
 
iii  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . .23  
Projector Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
Timing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .25  
DLP Personal Projector  
 
iv  
INTRODUCTION  
Caution  
TO PREVENT SHOCK, DO NOT OPEN THE CABINET. NO USER –SER-  
VICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE  
PERSONNEL. PLEASE READ THIS USER’S GUIDE BEFORE YOU OPER-  
ATE YOUR PROJECTOR. SAVE THIS USER’S GUIDE FOR FUTURE REF-  
ERENCE .  
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 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 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, sustaining serious damage.  
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.  
DLP Personal Projector  
1
 
Caution  
Always open the lens shutter when the projector lamp is on.  
Do not look straight at the projector lens during operation. The intense  
light beam may damage your eyes.  
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 that a power stabilizer unit be used in conjuc-  
tion with this projector.  
Do not place this projector on the top of cloth or carpet.  
Do not touch the ventilation grill when the projector is under operation.  
Save this user’s guide: The information contained in this manual will assist you  
in operating and maintaining your personal projector.  
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 guar-  
antee 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.  
EEC STATEMENT  
This machine was tested against the 89/336/EEC (European Economic Commu-  
nity) for EMC (Electro Magnetic Compatibility) and fulfills these requirements.  
DLP Personal Projector  
 
2
Shipping Contents  
The Projector is shipped with the cables required for connection to standard PC  
or laptop computers. Carefully unpack and verify that you have all the items  
shown below. If any of these items are missing, please contact personnel at the  
place of purchase.  
s
'
r
i
e
u
s
U
e
d
G
Quick Start Guide  
Projector  
User’s Guide  
P
O
W
U
E
R
S
O
RCE  
M
E
NU  
3-2 Converter  
B
L
A
N
K
M
U
T
E
LA  
SER  
Remote Control  
Batteries  
Deluxe Soft Carry Case  
S.A. & India  
220V  
240V  
110V  
HDTV Cable  
(YPBPR)  
Power Cord  
VGA Cable  
USB Cable  
S-Video Cable  
Video Cable  
Optional Accessories  
1. 150W lamp module  
2. Macintosh adapter  
DLP Personal Projector  
 
3
Projector Description  
Projector  
PC/ HD (YPBPR)  
connector  
USB MOUSE connector  
DC 12V, 0.5A Max. power  
supply  
VIDEO  
connector  
S-VIDEO  
connector  
IR remote sensor  
AC power cord inlet  
Kensington lock  
External control panel  
page 5 for more detailed information)  
Projectionlens  
adjuster  
Ventilation grill  
R
IR remote sensor  
Open here to  
release the front  
cover.  
Adjuster foot  
Projection lens  
Lamp door  
DLP Personal Projector  
 
4
External Control Panel  
Power  
indicator  
Lamp indicator  
POWER  
SOURCE  
SOURCE  
BLANK  
POWER  
AUTO  
AUTO  
BLANK  
Power indicator  
Lamp Indicator  
The indicator shows green for a  
The Lamp Indicator will light up when  
the lamp needs service, cooling or  
on page 20 for more detailed  
information.  
normal state. When the projector is  
operated improperly, it shows green  
or orange toggle. See "Operative  
detailed information.  
SOURCE  
POWER  
Selects signal sources from among  
PC, Video, S-Video and YPBPR.  
Press the POWER key to turn the  
projector on or off.  
BLANK  
AUTO  
Selects to display an entirely blue,  
black, green or LG logo screen.  
Automatically determines the best  
picture settings for current received  
signals. (PC Mode Only)  
DLP Personal Projector  
 
5
 
Adjuster  
The projector is equipped with 1 quick-release adjuster foot. Push the button to  
adjust its tilt angle.  
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 additional weight burden on it.  
Projector Features  
The projector integrates high-performance optical engine projection and a user-  
friendly design to deliver high reliability and ease of use.  
The projector offers the following features:  
Small and light for portability.  
Full-function remote control with laser pointer/ remote mouse function.  
High quality manual zoom lens.  
One-key auto-adjustment to display the best picture quality in PC mode.  
Easy digital keystone correction through hot keys to correct distorted  
images.  
High resolution.  
Ultra-high brightness projection lamp.  
Ability to display 16.7 million colors.  
On-screen menus in 8 languages: English, French, German, Italian,  
Spanish, Korean, Simplified Chinese, and Traditional Chinese.  
Powerful AV function to provide high quality AV picture.  
HDTV compatibility (YPBPR).  
Durable magnesium alloy body.  
Note: The brightness of the projected image will vary depending on the  
ambient lighting conditions and contrast/brightness settings.  
DLP Personal Projector  
 
6
Remote Control Description  
The remote control sensors are located in the front/ back of the projector.  
POWER  
MENU  
Press to display the  
menu system, or to go  
SOURCE  
Selects signal sources  
from among PC, VIDEO,  
S-VIDEO and YPBPR.  
back to the main menu  
and to leave the menu  
system.  
L-Mouse/ R-Mouse  
Serves as a left/ right  
click button of a mouse  
when the remote mouse  
function is activated.  
Serves as a Zoom / ▲  
key when the ZOOM  
function is activated.  
Joystick  
Moves cursor. When the  
OSD menu is on, move  
the Joystick up and  
down to choose your  
desired item and move  
the Joystick left or right  
to make adjustment.  
ENTER  
AUTO  
Automaticallydetermines  
the best picture settings  
for current received  
signals.  
BLANK  
Selects to display an  
entirely blue (black,  
green, LG logo)  
screen.  
LASER Pointer  
DLP Personal Projector  
 
7
MOUSE DRAG  
When the remote  
control works as a  
mouse, choose your  
desired item and press  
MOUSE DRAG. Drag it  
to wherever you want on  
the projection image  
and press MOUSE  
LEFT to release the  
item.  
STILL  
Makes the projection  
image still.  
RESIZE  
Scales the original input  
resolution.  
KEYSTONE ▲ ▲  
ZOOM  
By pressing "ZOOM"  
button, zoom rectangular  
displays in the center, but  
to activate it, customer  
should press "ENTER"  
button and then it can be  
adjusted by Joystick.  
DLP Personal Projector  
 
8
Installing or Replacing Batteries (“AA” type)  
Position the lid  
over the  
compartment  
and snap it back  
into place.  
Install batteries  
as indicated by  
the diagram  
inside the  
Press and open  
the battery  
compartment lid in  
the direction.  
2
3
1
compartment.  
Caution  
Avoid excessive heat and humidity. There may be danger of an explosion  
if batteries are incorrectly replaced. Replace only with the same or equiv-  
alent type recommended by the manufacturer. Dispose of used batteries  
according to the manufacturer’s instructions.  
DLP Personal Projector  
9
 
INSTALLATION  
Display Size  
Place the projector at the required distance from the screen according to the  
desired picture size (see the table below). The effective display size is from 26 to  
178 inches diagonally for RD-JT31 and from 33 to 228 inches diagonally for RD-  
JT30.  
L Projection Distance  
RD-JT31 display size chart  
Display Size (Max.)  
Display Size (Min.)  
Diagonal B. Width D. Height  
L. Projection  
Distance (cm)  
Diagonal A. Width  
C. Height  
(in)  
33.4  
(cm)  
67.9  
(cm)  
50.9  
(in)  
25.7  
34.3  
51.4  
68.5  
85.6  
102.8  
119.9  
137.0  
(cm)  
52.2  
69.6  
104.4  
139.2  
174.0  
208.8  
243.6  
278.4  
(cm)  
39.2  
52.2  
150  
200  
300  
400  
500  
600  
700  
800  
44.5  
90.5  
67.9  
66.8  
89.1  
111.3  
133.6  
155.9  
178.1  
135.7  
181.0  
226.2  
271.5  
316.7  
362.0  
101.8  
135.7  
169.7  
203.6  
237.5  
271.5  
78.3  
104.4  
130.5  
156.6  
182.7  
208.8  
RD-JT30 display size chart  
Display Size (Max.)  
Display Size (Min.)  
L. Projection  
Distance (cm)  
Diagonal A. Width  
C. Height  
(cm)  
65.2  
Diagonal  
(in)  
B. Width  
(cm)  
D. Height  
(cm)  
(in)  
(cm)  
86.9  
42.8  
150  
200  
300  
400  
500  
600  
700  
800  
32.9  
43.8  
65.8  
87.7  
109.6  
131.5  
153.5  
175.4  
66.8  
89.1  
50.1  
66.8  
57.0  
85.5  
115.8  
173.7  
231.6  
289.6  
347.5  
405.4  
463.3  
86.9  
130.3  
173.7  
217.2  
260.6  
304.0  
347.5  
133.6  
178.2  
222.7  
267.3  
311.8  
356.4  
100.2  
133.6  
167.1  
200.5  
233.9  
267.3  
114.0  
142.5  
171.0  
199.5  
228.0  
DLP Personal Projector  
 
10  
Connecting to Various Equipment  
HDTV description  
The projector is capable of displaying various High Definition TV display  
modes. Some of these sources are:  
Digital-VHS (D-VHS) player  
Satellite Dish HDTV receiver  
DVD player  
DTV tuners  
Most of these sources will provide an analog component video output, a  
standard VGA output, or a YPBPR (default) format.  
The projector is capable of accepting HDTV data through a YPBPR connector.  
Use a HDTV cable that came with your projector to display HDTV images.  
The following standards are supported in the HDTV function:  
480i  
480p  
1080i  
720p  
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, or other systems. However, a Mac adapter (an  
optional accessory) is needed for connection to Macintosh computers.  
RGB  
For Speaker  
USB  
PC/ Notebook  
DVD Player  
DC 12V  
0.5A Max.  
(Output)  
USB  
MOUSE  
VIDEO S-VIDEO  
AC IN  
PC/HD(YPB  
PR)  
YPBPR  
S-Video  
Video  
DLP Personal Projector  
 
11  
OPERATION  
Start Up  
1. Plug the power cord into a wall socket. Open the front Door to Power ON.  
(110V)  
(220V)  
2. When plugging-in, the ORANGE Leds light. Press the Power button to turn  
on the projector. Then, the fan will start to operate while the ORANGE Led is  
blinking. After 15 seconds, LG logo will display and pictures will be on after  
the next 15 seconds. (Green Led on)  
POWER  
SOURCE  
MENU  
SOURCE  
POWER  
AUTO  
BLANK  
3. Switch on all connected equipment.  
DLP Personal Projector  
 
12  
Digital Keystone Correction  
Keystoning refers to the situation where the projected image is noticeably wider  
at either the top or bottom. To correct this, press KEYSTONE / (hot key) on  
the remote control, and then adjust the sliding bar labeled Keystone, as  
needed. Press to correct keystoning at the top of the image. Press to  
correct keystoning at the bottom of the image.  
Auto Adjustment  
In some cases, you may need to optimize the picture quality. To do this, press  
the AUTO key on the control panel of the projector or on the remote control.  
The built-in Intelligent Auto Adjustment function will re-adjust settings to  
provide the best picture quality.  
*This function is available only in PC mode.  
POWER  
SOURCE  
MENU  
SOURCE  
POWER  
AUTO  
BLANK  
BLANK  
AUTO  
DLP Personal Projector  
 
13  
 
Source Selection  
When several input sources are available, press the SOURCE key to make a  
selection from the control panel of the projector or the remote control.  
POWER  
SOURCE  
MENU  
SOURCE  
POWER  
AUTO  
BLANK  
Menu System  
Press Menu for the main menu, and then press Joystick to select a sub-menu.  
Press ENTER again to select items in the sub-menu.  
Main  
Menu  
VIDEO  
Contrast  
POSITION  
SPECIAL  
TRACKING  
Language  
YPBPR Brightness  
Video Color  
S-Video Tint  
Reset  
Keystone  
Zoom  
Resize  
Flip Horizontal  
Flip Vertical  
Blank Image  
Lamp Time  
Sub-  
Menu  
Contrast  
Brightness  
Horizontal  
Vertical  
Keystone  
Zoom  
Language  
Flip Horizontal Auto Tracking  
Flip Vertical  
Blank Image  
Lamp Time  
Color R  
Color G  
PC (RGB)  
Clock  
Phase  
Color B  
Reset  
Resize  
DLP Personal Projector  
 
14  
 
1. VIDEO Menu  
FUNCTION  
DESCRIPTION  
Adjusts the degree of difference between dark and light in  
the image.  
Contrast  
Adjusts the brightness of the image.  
Brightness  
Increases or decreases the color range of the image.  
Color  
Tint  
*This function is not available when the input mode is PC.  
Adjusts the image to make it appear more red or green.  
*This function is not available when the input mode is PC or  
PAL signal.  
Increases or decreases the color temperature (R, G, B) of the  
image.  
Color R  
Color G  
Color B  
*This function is only available when the input mode is PC.  
Reset  
Returns all settings to the factory preset values.  
DLP Personal Projector  
 
15  
2. POSITION Menu  
FUNCTION  
DESCRIPTION  
Adjusts the horizontal position of the projected image.  
Horizontal  
Adjusts the vertical positon of the projected image.  
Vertical  
Corrects any keystoning of the image.  
Keystone  
-
Zoom  
Activates Zoom function.  
When in YPBPR, Video and S-Video modes, users have two  
options for the image ratio: 4:3 and 16:9.  
When in PC mode, users have two options for the image ratio:  
Scaled and Original.  
Resize  
JT30(XGA) operates in SVGA and VGA modes and  
JT31(SVGA) operates only in VGA mode.  
DLP Personal Projector  
 
16  
3. SPECIAL Menu  
FUNCTION  
DESCRIPTION  
It’s the same function with the SOURCE button on the  
remote control.  
Source  
Language sets the language for the OSD control menus.  
Use the Joystick to select the desired language from among  
English, French, German, Italian, Spanish, Korean, Simpli-  
fied Chinese and Traditional Chinese.  
Language  
Projects images when the  
projector is 180 degrees  
horizontally rotated.  
Default  
Flip  
R
Horizontal  
Projects images when the  
projector is 180 degrees  
vertically rotated.  
Default  
Flip Vertical  
Chooses blank image from among blue, black, green and LG  
logo.  
Blank Image  
Lamp Time  
Shows lamp usage time.  
DLP Personal Projector  
 
17  
4. TRACKING Menu  
This sub-menu only works in PC mode.  
FUNCTION  
DESCRIPTION  
It’s the same function with the AUTO button on the  
remote control.  
Auto Tracking  
Clock  
Adjusts to fit in the desired image size.  
Adjusts to avoid the occurrence of flicker.  
Phase  
DLP Personal Projector  
 
18  
Shutdown  
1. Press POWER and a warning message will appear. To turn off the  
projector, press POWER again.  
POWER  
SOURCE  
MENU  
SOURCE  
POWER  
AUTO  
BLANK  
2. To cool down the projector, the fan will continue to run for approximately 90  
seconds, during which the LED will flash.  
* After the projector is turned off, there is a 90-second cooling period before the projector  
can be re-started.  
3. Disconnect the power cord from the wall socket.  
(110V)  
(220V)  
Caution  
Please do not unplug the power cord before POWER is shut down or  
during the two-minute cooling process.  
If the projector is not properly shut down, to protect the lamp, the sys-  
tem will detect this and cool the lamp for 90 seconds automatically  
before turning on again.  
DLP Personal Projector  
19  
 
MAINTENANCE  
Lamp Information  
Use and Replacement of the Lamp  
The lamp life is 1500 hours. When the Power Indicator lights up red and the  
Lamp Indicator lights up orange or a message appears suggesting the time of  
lamp replacement, please install a new lamp or consult your dealer. An old lamp  
could cause a malfunction in the projector and in rare instances may even  
explode.  
Lamp Replacement  
Please check with LG service center for the information of lamp replacement.  
Caution  
HIGH VOLTAGE/ HIGH TEMPERATURE/ HIGH PRESS  
WHEN REPLACING THE LAMP, TURN OFF THE PROJECTOR AND PULL  
OUT THE CORD FROM THE RECEPTACLE BEFORE REPLACING THE  
LAMP.  
WAIT UNTIL THE LAMP BECOMES COOL (MINIMUM 45 MINUTES).  
TOUCHING THE LAMP WHEN IT IS HOT MAY CAUSE A BURN ON YOUR  
HAND.  
HIGH-PRESSURE LAMP WHEN HOT MAY EXPLODE IF IMPROPERLY HAN-  
DLED.  
To reduce the risk of injuries to fingers and damage to internal compo-  
nents, use caution when removing lamp glass that has shattered into sharp  
pieces.  
To reduce the risk of injuries to fingers and/or compromising image quality  
by touching the lens, do not touch the empty lamp compartment when the  
lamp is removed.  
This lamp contains mercury. Consult your local hazardous waste regula-  
tions to dispose of this lamp in a proper manner.  
DLP Personal Projector  
 
20  
 
Operative Information  
When the two LED light up, they are warning you of the following possible  
problems:  
State  
LEDs Display  
Operation Status LED  
LED  
Description  
Projector runs as Normal State.  
Lamp Time < 1400 hours  
Temperature < 72°C  
Normal  
Green  
No color  
Lamp On  
Error  
Lamp Time  
over Error  
Orange  
Orange  
Orange  
Check whether the Lamp is lit or not.  
Orange Tog- 1400 hours < Lamp Time < 1500  
gle  
hours  
Lamp Time > 1500 hours  
Please change the lamp to keep  
good performance.  
Red  
Orange  
Tempera-  
ture error  
Orange  
Red  
Red Toggle 72°C < Temperature <74°C  
Temperature > 74°C  
Red  
The lamp temperature is very high!  
Please turn off the projector.  
Check whether the Front cover is  
closed.  
Front cover  
closed  
Green  
Red  
Fan On  
Error  
Orange  
Toggle  
Check whether Fan is operated nor-  
mally or not.  
Red  
Lamp Case  
Open  
Green  
Orange  
Check whether Lamp case is open.  
DLP Personal Projector  
 
21  
 
TROUBLESHOOTING  
Common Problems & Solutions  
PROBLEMS  
TRY THESE SOLUTIONS  
Make sure the power cord is inserted snuged into the AC  
adapter socket.  
Make sure the power cord is inserted snuged into the  
power outlet.  
Wait 90 seconds after the projector is turned off before  
turning the projector back on.  
Check whether Front Cover is closed.  
NO POWER  
Check for the proper input source.  
Ensure all cables are connected properly.  
Adjust the brightness and contrast.  
NO PICTURE  
Reposition the unit to improve its angle on the screen.  
Use the Keystone correction key on the remote control  
unit.  
TRAPEZOID  
IMAGE ON THE  
SCREEN  
Select the correct video system.  
Adjust brightness, contrast, or saturation.  
POOR COLOR  
Press Auto on the control panel of the projector or the  
remote control unit to get better picture quality.  
Adjust the focus.  
Reposition the unit to improve its projection angle.  
Ensure the distance between the unit and screen is within  
the adjustment range of the lens.  
BLURRED  
IMAGE  
Replace the batteries with new ones.  
Make sure there is no obstacle between the remote control  
and the projector.  
REMOTE  
CONTROLDOES  
NOT WORK  
Make sure nothing is blocking the front and rear receivers.  
Status Messages  
On-Screen  
Messages  
Description  
No Signal  
Projector is searching for input.  
Out of Range  
Input signal frequency exceeds the projector’s range.  
The lamp has been in operation for over 1500 hours. The warn-  
ing message will display on screen. Repalce the lamp when  
the warning message displays or the projector may not be  
turned on.  
Replace the  
Lamp  
DLP Personal Projector  
 
22  
SPECIFICATIONS  
Projector Specifications  
Technical Specifications  
Note: All specifications are subject to change without notice.  
General  
Product name  
Model name  
Personal Projector  
RD-JT30  
RD-JT31  
1024X768 XGA  
800X600 SVGA  
Optical  
Display system  
Lens F/Number  
Lamp  
1-CHIP DMD  
F/2.4  
150W NSH lamp  
Electrical  
Power supply  
Power consumption  
AC100 ~ 240V, 3A, 50/60 Hz (Automatic)  
250 W (Max)  
Mechanical  
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)  
Input terminal  
Computer input  
RGB input (HDTV: YPBPR) D-sub 15-pin (female)  
Video signal input  
S-VIDEO  
VIDEO  
Mini DIN 4-pin port x1  
RCA jack x1  
Output  
USB mouse connector  
A/B series x1  
DLP Personal Projector  
23  
 
Timing Chart  
Resolution  
640x350  
640x400  
720x400  
720x400  
640x480  
640x480  
640x480  
640x480  
800x600  
800x600  
800x600  
800x600  
800x600  
832x624  
1024x768  
1024x768  
1024x768  
1024x768  
1280x1024  
H Sync (kHz)  
31.5  
V Sync (Hz)  
70.1  
Remark  
37.9  
85.1  
VESA  
31.5  
70.0  
37.9  
85.1  
VESA  
VESA  
31.5  
60.0  
35.0  
66.7  
Macintosh  
VESA  
37.9  
72.8  
43.3  
85.0  
VESA  
35.2  
56.3  
VESA  
37.9  
60.3  
VESA  
48.1  
72.2  
VESA  
46.9  
75.0  
VESA  
53.7  
85.1  
VESA  
49.7  
74.5  
Macintosh  
VESA  
48.4  
60.0  
56.5  
70.1  
VESA  
60.0  
75.0  
VESA  
68.7  
85.0  
VESA  
64.0  
60.0  
VESA  
DLP Personal Projector  
 
24  
DIMENSIONS  
248  
170  
59  
Unit: mm  
DLP Personal Projector  
25  
 

Lenco Marine Boating Equipment 15054 001 User Manual
LightSpeed Technologies Speaker System Delta X10 User Manual
LightSpeed Technologies Stereo System CAT 860 User Manual
Lincoln Electric Welding System X Tractor 1GC User Manual
LST Smoke Alarm ECO1005 User Manual
Majestic Appliances Indoor Fireplace 33LDVR User Manual
Makita Impact Driver BTL06 User Manual
Makita Nail Gun GN900SE User Manual
Mellerware Bathroom Aids 20500 User Manual
Mellerware Coffee Grinder 29105 User Manual