Model number
Serial number
P/NO : 3828VA0482B b (373-026H)
:
:
LG DLP PROJECTOR
Please read this manual carefully before operating
your set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the bottom of the set and
quote this information to your dealer when you
require service.
RD-JT91
RD-JT92
OWNER’S MANUAL
DLP PROJECTOR
RD-JT91
FCC NOTICE
• A Class A digital device
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Warning
This is a class A product. In a domestic environment this product may cause radio interference, in
which case the user may be required to take adequate measures.
RD-JT92
FCC NOTICE
• A Class B digital device
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. 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 separation 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.
• Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Warning
This is a class B product. In a domestic environment this product may cause radio interference, in
which case the user may be required to take adequate measures.
Contents
Contents
Introduction
Safety Instructions .............................................................................................................................4-6
Names of parts
Main Body .............................................................................................................................................7
Connecting Part ....................................................................................................................................7
Control Panel ........................................................................................................................................8
Remote Control .....................................................................................................................................9
Installing Batteries.................................................................................................................................9
Projector Status Indicators..................................................................................................................10
Accessories .........................................................................................................................................11
Optional Extras....................................................................................................................................11
Installing and Composition
Installation Instructions .......................................................................................................................12
Basic Operation of the Projector.........................................................................................................13
Using Kensington Security System.....................................................................................................14
Turning on the Projector .....................................................................................................................15
Turning off the Projector .....................................................................................................................15
Focus and Position of the Screen Image............................................................................................16
Selecting source mode .......................................................................................................................16
Connection
Connecting
Connecting
Connecting
Connecting
Connecting
to
to
to
to
to
a
a
a
a
a
Desktop PC ..............................................................................................................17
Notebook PC ............................................................................................................17
Video Source ............................................................................................................18
DVD ..........................................................................................................................18
D-TV Set-Top Box ....................................................................................................18
Function
Video Menu Options
Adjusting Video ...................................................................................................................................19
APC (Auto Picture Control) .................................................................................................................19
Auto Color Temperature Control .........................................................................................................20
Gamma Function ................................................................................................................................20
Special Menu Options
Selecting language .............................................................................................................................21
Flip Horizontal Function ......................................................................................................................21
Flip Vertical Function...........................................................................................................................21
Using ARC Function............................................................................................................................21
Using Keystone function .....................................................................................................................22
Auto Source Function .........................................................................................................................22
Using Blank function ...........................................................................................................................22
Selecting Blank Image color ...............................................................................................................22
Lamp Mode Function ..........................................................................................................................23
Checking lamp time ............................................................................................................................23
Using Still function ..............................................................................................................................23
Screen Menu Options
Auto Tracking Function .......................................................................................................................24
Clock / Phase Function .......................................................................................................................24
Screen Position ...................................................................................................................................24
Information
Supported Monitor Display..................................................................................................................25
Maintenance........................................................................................................................................26
Specifications ......................................................................................................................................27
3
Safety Instructions
Safety Instructions
Please take note of the safety instructions to prevent any potential accident or misuse of the projector.
➟ Safety Instructions are given in two forms as detailed below.
WARNING : The violation of this instruction may cause serious injuries and even death.
NOTES : The violation of this instruction may cause light injuries or damage to the projector.
➟ After reading this manual, keep it in the place that the user always can contact easily.
Indoor Installation
Do not place the Projector in direct
sunlight or near heat sources such
as radiators, fires and stove etc.
This may cause a fire hazard !
WARNING
Do not place inflammable materials beside the projector
Do not allow children to hang on
the installed projector.
This may cause a fire hazard !
It may cause the projector to fall, causing injury or death.
Indoor Installation
Disconnect from the mains and
remove all connections before
moving.
NOTES
Do not place the projector close
to sources of steam or oil such
as a humidifier.
Do not place the projector where
it might be exposed to dust.
This may cause a fire hazard !
This may create a fire hazard or an
electric shock hazard !
When installing the projector on a
table, be careful not to place it
near the edge.
This may cause the projector to fall
causing serious injury to a child or
adult and serious damage to the
projector.
Only use a suitable stand.
Only use the projector on a level
and stable surface.
It may become unstable and affect
operation.
Ensure good ventilation around the
projector. The distance between
the projector and the wall should
be more than 20cm/8 inches.
An excessive increase in its internal temperature may cause a fire
hazard!
Do not block the vents of the projector or restrict air-flow in any way.
Do not place the projector directly on a carpet, rug or place where
ventilation is restricted.
This would cause the internal temperature to increase and could cause a fire
hazard!
This would cause its internal temperature to increase and might create a fire
hazard !
Outdoor Installation
WARNING
Do not use the projector in a damp place such as a bathroom where it is likely to get wet.
This may cause a fire or an electric shock hazard !
Power
Earth wire should be connected.
If the earth wire is not connected, there is a
possible danger of electric shock caused by
the current leakage.
If grounding methods are not possible, a
separate circuit breaker should be employed
and installed by a qualified electrician.
Do not connect ground to telephone wires,
lightning rods or gas pipe.
4
WARNING
The mains plug should be inserted fully into the power outlet to
avoid a fire hazard !
This may cause a fire hazard !
Do not place heavy objects on
the power cord
This may cause a fire or an electric
shock hazard !
Safety Instructions
Power
WARNING
Do not use too many plugs on the Mains multi-outlet.
It may result in overheating of the outlet and causes a fire hazard !
Power
Never touch the power plug with
a wet hand
This may cause an electric shock
hazard !
Do not plug when the power cord
or the plug is damaged or the
connecting part of the power outlet is loose.
This may cause a fire or an electric
shock hazard !
NOTES
Hold the plug firmly when unplugging. If you pull the cord the cord
may be damaged.
Prevent dust collecting on the
power plug pins or outlet.
This may cause a fire hazard !
This may cause a fire hazard !
Ensure the power cord does not
come into contact with sharp or
hot objects such as a heater.
Place the projector where people
will not trip or tread on the power
lead.
This may cause a fire or an electric
shock hazard !
This may cause a fire or an electric
shock hazard !
Do not turn the projector On/Off by plugging-in or unplugging the power plug to the wall outlet.
(Do not use the power plug for switch.)
It may cause mechanical failure or could give an electric shock.
Using
Do not place anything containing
liquid on top of the projector such
as flowerpot, cup, cosmetics or
candle.
This may cause a fire hazard !
WARNING
In case of impact shock or damage to the projector switch it off
and unplug it from the mains outlet and contact your service center.
Do not allow any objects to fall
into the projector.
This may cause an electric shock
hazard !
This may cause a fire or an electric
shock hazard !
If water is spilt into the projector
unplug it from the mains supply
outlet immediately and consult
your Service Agent.
This may cause an electric shock hazard !
Do not remove any covers
(except lens cover). High risk of
Electric Shock!
Dispose of used batteries carefully and safely.
In the case of a battery being
swallowed by a child please consult a
doctor immediately.
In the event that an image does
not appear on the screen please
switch it off and unplug it from
the mains supply and contact
your Service Agent.
This may cause a fire or an electric
shock hazard !
Don’t look directly onto the lens
when the projector is in use. Eye
damage may occur!
Do not touch metal parts during or
soon after operation since the
vents and lamp cover will remain
very hot!
5
Safety Instructions
Using
Never touch the wall outlet when
there is leakage of gas, open the
windows and ventilate.
WARNING
Do not drop the projector or allow impact shock.
This may cause mechanical failure or personal injury !
It can cause a fire or a burn by a
spark.
Using
Do not place heavy objects on
top of projector.
This may cause mechanical failure or
personal injury!
NOTES
Take care not to cause impact to
the lens particularly when moving
the projector.
Do not touch the lens of the projector. It is delicate and easily
damaged.
Do not use any sharp tools on the projector as this will damage the casing.
Cleaning
Do not use water while cleaning
the projector
This may cause damage to the
projector or an electric shock hazard.
WARNING
In the unlikely event of smoke or
a strange smell from the projector, switch it off , unplug it from
the wall outlet and contact your
dealer or service centre.
Use an air spray or soft cloth that
is moist with a neutral detergent
and water for removing dust or
stains on the projection lens.
This may cause a fire or an electric
shock hazard !
Cleaning
Contact the Service Center once
a year to clean the internal parts
of the projector.
NOTES
Unplug this product from the wall outlet before cleaning. Do not use
liquid cleaners or aerosol cleaners.
This may cause damage to the Projector or cause an electric shock hazard !
Accumulated dust can cause mechanical failure.
Others
WARNING
Do not attempt to service the projector yourself. Contact your dealer or service centre.
This may cause damage to the projector and could give an electric Shock as well as invalidating the warranty !
Others
Be sure to unplug if the projector
is not to be used for a long period.
NOTES
Refer lamp servicing to qualified
service personnel.
Accumulated dust may cause a fire
hazard!
Only use the specified type of battery.
This could cause damage to the remote control.
6
Do not mix new batteries with old
batteries.
This may cause the batteries to overheat and leak.
Names of parts
Names of parts
Main Body
* The projector is manufactured using high-precision technology. You may, however, see on the Projector
screen tiny black points and/or bright points (red, blue, or green). This can be a normal result of the
manufacturing process and does not always indicate a malfunction.
Rear remote control sensor
Zoom ring
Control panel
Focus ring
Power button
Indicators
Foot adjusting button
R
WE
PO
O
AUT
VOL
MEN
OK
U
VOL
SOU
RCE
Front remote control sensor
Lens cover
* Push the lens cover into the inside after pulling it open into the
front. (If you mount on the ceiling, after pushing the cover, the lens
cover is installed. If not, the cover may overlap projecting lens.)
Foot adjusting button
Connecting Part
USB(Service)
DVI Input
Audio
S-Video
RGB Input
(PC/DTV)
*This jack is only used for service.
Video
AC IN
Kensington Security
System Connector
(Refer to page 14)
7
Names of parts
Control Panel
/
, KEYSTONE+/- Button
SOURCE
MENU
KEYSTONE
MENU Button
SOURCE Button
Selects or closes menus.
Switches to RGB, DVI, Video,S-Video mode.
VOL
VOL
VOLUME Button
Adjusts volume level and
functions of menus.
AUTO Button
AUTO
OK
POWER Button
POWER
8
A
KEYSTONE
OK Button
Checks present mode and
saves the change of functions.
Names of parts
Remote Control
POWER
POWER Button
MENU
KEYSTONE
SOURCE
SOURCE Button
MENU Button
VOL-/+,
F
/
GButton
VOL
VOL
AUTO Button (Refer to p.24)
A
AUTO
KEYSTONE
D
/
EButton
OK Button
OK
ARC Button (Refer to p.21)
BLANK Button (Refer to p.22)
BLANK
ARC
MUTE
STILL
STILL Button (Refer to p.23)
MUTE Button
*Switches the sound on or off.
KEYSTONE+/-,
Installing Batteries
• Open the battery compartment cover on the back of the
remote control and insert the batteries with correct polarity,
match “+” with “+”, and match “-” with “-”.
• Install two 1.5V “AAA” batteries.
Don’t mix used batteries with new batteries.
9
Names of parts
Projector Status Indicators
* Lamp Indicator, operation indicator and temperature indicator at the top of the projector show the user the operating status
of the projector.
Lamp Indicator
Operation Indicator Temperature Indicator
PO
AU
VO
ME
TO
WE
R
L
OK
NU
VO
SO
UR
L
CE
Operation Indicator
Orange
Green(flashing)
Green
Orange(flashing)
Off
Red
Lamp Indicator
Red(flashing)
Green(flashing)
Orange
Temperature Indicator Red
Red (flashing)
10
Standby.
Lamp cooling until the lamp turn on.
On operation. (Turn on the lamp)
Projector lamp is cooling as power out (2 minutes)
Power off.
Projector lamp is reaching the end of its life and needs
to be replaced with a new lamp. (over 2000 hours)
The projector has trouble in the lamp or around it at
power-on. Retry Power On again later. If lamp indicator
is red (flashing) again, contact the service center.
The lamp cover is not closed.
This projector is in high temperature. Turn the power of
projector off and check the ventilator.
The projector is turned off as its high temperature.
Power has turned off due to problem with the
internal cooling fan. Contact your service center.
Names of parts
Accessories
POWER
MENU
KEYSTONE
VOL
AUTO
SOURCE
VOL
KEYSTONE
OK
BLANK
ARC
MUTE
STILL
1.5V
1.5V
Remote Control
2 Batteries (size AAA)
Video Cable
Computer Cable
Power Cord
DVI-D Cable
Operating guide
RCA to D-Sub Cable
Optional Extras
*
*
*
*
Contact your dealer to purchase these items.
When applying a ceiling installer, use only the ceiling installer for projector.
Contact your service personnel for replacing a new lamp.
Projector lamp is reaching the end of its life and needs to be replaced with a new lamp.
Ceiling installer for projector
Projection Screen
Audio Cable
Lamp
RCA to PC Audio Cable
SCART to RCA jack (option)
Portable Bag
S-Video Cable
11
Installing and Composition
Installation and Composition
Installation Instructions
* Don’t place the projector in the following conditions. It may cause malfunction or product damage.
Provide proper ventilation for this projector.
●The projector is equipped with ventilation holes(intake)
●Do not place the projector on a carpet, rug or other
●Never push projector or spill liquid of any kind into the
●Leave an adequate distance(30cm/12 inches or
on the bottom and ventilation holes(exhaust) on the front.
do not block or place anything near these holes, or internal
heat build-up may occur, causing picture degradation or
damage to the projector.
projector.
similar surface. It may prevent a adequate ventilation
of the projector bottom. This product should be
mounted to a wall or ceiling only.
more) around the projector.
Place this projector in adequate temperature and humidity conditions.
● Install this projector only in a location where adequate temperature and humidity is available. (refer p.27)
Don’t place the projector where it can be covered with dust.
● This may cause overheating of the projector.
Do not obstruct the slots and openings of the projector. This may cause overheating and create a fire
hazard.
The projector is manufactured using high-precision technology. You may, however, see tiny black points
and/or bright points (red, blue, or green) that continuously appear on the projector Screen. This is a normal result of the manufacturing process and does not indicate a malfunction.
This product should be used adequate length bolt(within 5mm) when installing it.
When applying a ceiling installer, use only the fixing bolt and ceiling installer for projector. Contact your dealer for purchase or installation.
TP-ML2
TP-MH2
To display DTV programs, it is necessary to connect a DTV receiver (Set-top Box) and connect it to the
projector.
If there is no input signal, the Menu will not be displayed on screen.
12
Installing and Composition
Basic Operation of the Projector
1.Place the projector on a sturdy and horizontal surface with the PC or AV source.
2.Place the projector the correct distance from the screen. The distance between the projector and the
screen determines the actual size of the image.
3.Position the projector so that the lens is set at a right angle to the screen. If the projector is not set at a right
angle, the screen image will be crooked. If this is so then the keystone adjustment may correct this (Refer to
page 22.)
4.Connect the cables of the projector to a wall power socket and other connected sources.
projection distance based on the picture format
Projection off-set ratio:100%
Screen height (X)
Center line of lens
Projection distance (D)
RD-JT91
4:3 picture format
mm / inches
screen
size
40″
60″
80″
90″
100″
110″
120″
150″
200″
screen
height (X)
610/24.0
914/36.0
1219/48.0
1372/54.0
1524/60.0
1676/66.0
1829/72.0
2286/90.0
3048/120.0
The shortest
distance (D) 1400/55.1
2100/82.7
2800/110.2
3150/124.0
3500/137.8
3850/151.6
4200/165.4
5250/206.7
7000/275.6
The longest
1680/66.1
distance (D)
2520/99.2
3360/132.3
3780/148.8
4200/165.4
4620/181.9
5040/198.4
6300/248.0
8400/330.7
120″
150″
200″
2491/98.1
* The longest/shortest distance show status when adjusted by the zoom function.
16:9 picture format
screen
size
40″
screen
height (X)
60″
80″
90″
mm / inches
100″
110″
498/19.6
747/29.4
996/39.2
1121/44.1
1245/49.0
1370/53.9
1494/58.8
1868/73.5
The shortest
distance (D) 1525/60.0
2288/90.1
3051/120.1
3432/135.1
3813/150.1
4194/165.1
4576/180.2
5720/225.2 7626/300.2
The longest
1830/72.0
distance (D)
2745/108.1
3661/144.1
4118/162.1
4576/180.2
5033/198.1
5491/216.2
6864/270.2 9152/360.3
RD-JT92
16:9 picture format
mm / inches
screen
size
40″
60″
80″
90″
100″
110″
120″
150″
200″
screen
height (X)
498/19.6
747/29.4
996/39.2
1121/44.1
1245/49.0
1370/53.9
1494/58.8
1868/73.5
2490/98.0
7340/289
The shortest
distance (D) 1450/57.1
2190/86.2
2920/115
3290/129.5
3660/144.1
4030/158.7
4390/172.8
5500/216.5
The longest
1740/68.5
distance (D)
2620/103.1
3510/138.2
3950/155.5
4390/172.8
4830/190.2
5270/207.5
6600/259.8 8800/346.5
* The longest/shortest distance show status when adjusted by the zoom function.
4:3 picture format
mm / inches
screen
size
40″
60″
80″
90″
100″
110″
120″
150″
200″
screen
height (X)
610/24.0
914/36.0
1219/48.0
1372/54.0
1524/60.0
1676/66.0
1829/72.0
2286/90.0
3048/120.0
The shortest
distance (D) 1780/70.1
2680/105.5
3580/140.9
4030/158.7
4480/176.4
4931/194.1
5380/211.8
6730/265
8980/353.5
The longest
2140/84.3
distance (D)
3220/126.8
4300/169.3
4840/190.6
5380/211.8
5920/233.1
6460/254.3
8080/318.1
10780/424.4
13
Installing and Composition
Using Kensington Security System
● The projector has a ‘Kensington’ Security System Connector on the back panel. Connect the ‘Kensington’
Security system cable as below.
● For the detailed installation and use of the Kensington Security System, refer to the user’s guide attached
to the Kensington Security System set.
And for further information, contact http://www.kensington.com, the internet homepage of the
Kensington company that deals with expensive electronic equipments such as notebook PCs or projectors.
● Kensington Security System is an optional item.
K
14
Installing and Composition
Turning on the Projector
1. Connect power cord correctly.
2. Remove the lens cover of the projector.
3. Press the POWER button on the remote control or top cover.
(Green operation indicator flashes during cooling of the lamp.)
●
●
●
●
It will take about 5 second to display the picture after power on because the projector lamp has to warm up.
An image will appear after the operation indicator light turns (Green).
Select the source mode with the SOURCE button.
Leave the projector plugged in for at least 2 minutes after switching off the projector, as this will allow the lamp
cooling to continue which will help to preserve the lamp life.
4. Adjust volume level.
● If you press VOLUME G button, sound and volume level number are increased.
● If you press VOLUME F button, sound and volume level number are decreased.
10
* Don’t unplug the power cord while the ventilation fan (inlet/outlet) is working. If so, you take longer time by lamp on.
Turning off the Projector
1. Press the POWER button on the top cover or remote control.
2. Press the POWER button on the top cover or remote control again to cut off the power.
3. If the operation indicator LED is orange and blinking, do not disconnect the mains supply until the
operation indicator LED is lit up constantly (orange).
● If the operation indicator LED is orange and blinking, the power button on the top cover or on the remote control will not
operate.
Power Off?
Please Press
Key Again.
15
Installing and Composition
Focus and Position of the Screen Image
When an image appears on the screen, check if it is in focus and fits well to the screen.
Zoom ring
Focus ring
POWE
AUTO
R
VOL
MENU
OK
VOL
SOURC
E
● To adjust the focus of the image, rotate the focus ring which is the outer ring on the lens.
● To adjust the size of the image, rotate the zoom ring which is the inner ring on the lens.
To raise or lower the image on the screen, extend or retract the foot at the bottom of the projector
by pushing foot adjuster button as below.
1. While pressing the foot adjuster button, raise or lower the projector to place the screen image in the proper position.
2. Release the button to lock the foot in its new position.
3. To fine-tune the height of the projector, rotate the front foot to raise or lower it.
After raising the front foot, do not press down on the projector.
Selecting source mode
1. Press the SOURCE button.
select
F
RGB
OK
G
2. Each press of the F, G button changes the display as below.
16
RGB
DVI
S-Video
Video
Connection
Connection
Connecting to a Desktop PC
*
*
*
*
You can connect the projector to a computer of VGA, SVGA, XGA and SXGA output.
You can use ARC function for the RGB signals of the Aspect Ration 4:3. (For HD wide input signals, you cannot use ARC function.)
Fundamentally, HD wide input signal is not included in the Spec, so the set may not support HD signal perfectly.
Refer to page 25 for the supported pc graphic card displays of the projector.
< How to connect >
a. Connect computer cable to RGB Input (PC/DTV) of the
projector.
b. If the PC has DVI output, connect DVI cable to DVI Input
of the projector.
c. Connect the audio cable of PC (LINE OUT sound port) to
Audio of the projector.
* If the PC has two audio out ports of SPEAKER OUT and LINE
OUT, connect the LINE OUT port to get better sound quality.
Connecting to a Notebook PC
< How to connect >
a. Connect computer cable to RGB Input (PC/DTV) of the
projector.
* If you set your computer, such as a notebook type IBM PC/AT
compatible, to output the signal to both the display of your
computer and the external monitor, the picture of the external
monitor may not appear properly. In such cases, set the output
mode of your computer to output the signal only to the external
monitor. For details, refer to the operating instructions supplied
with your computer.
b. If the PC has DVI output, connect DVI cable to DVI Input
of the projector.
c. Connect the audio cable of PC (LINE OUT sound port) to
Audio input of the projector.
17
Connection
Connecting to a Video Source
* You can connect a VTR, a camcorder, a LDP or any other compatible video image source to the projector.
< How to connect 1 >
a. Connect the Audio and Video input jacks of the projector to
the output jacks of the A/V source with RCA to PC Audio
cable, Video cable.
<VCR>
S VIDEO
(R) AUDIO (L)
VIDEO
OUT
< How to connect 2 >
IN
b. Connect the S-Video input jack of the projector to the
S-Video output jack of an A/V source with an S-Video cable.
Connect the Audio input jacks of the projector to the output
jacks of the A/V source with an RCA to PC Audio cable.
* You can get better picture quality when connecting
S-Video source to the projector.
Connecting to a DVD
* The output jacks (Y, PB, PR) of the DVD might be labelled as Y, Pb, Pr / Y, B-Y, R-Y / Y, Cb, Cr according to the equipment.
< How to connect >
a. Connect RCA to D-Sub Cable to RGB Input (PC/DTV) of
the projector.
* When connecting the DVD, match the jack colors with the
DVD.(Y=green, PB=blue, PR=red)
b. Connect the Audio port of the projector to the Audio output
port (R, L) of the DVD.
c. Use a DVD with Component 480i(576i)/480p(576p) mode.
(R) AUDIO (L)
Y
PB
PR
<DVD>
Connecting to a D-TV Set-Top Box
* To receive D-TV programmes, it is necessary to purchase a D-TV receiver (Set-Top Box) and
connect it to the projector.
* Please refer to the owner's manual of the D-TV Set-Top Box for the connection between projector and
D-TV Set-Top Box.
< How to connect an RGB source >
a. Connect computer cable to RGB Input (PC/DTV) of the
projector.
* If the Set-Top Box has DVI output, use DVI cable.
b. Connect the Audio port of the projector to the Audio output
port (R, L) of the D-TV Set-Top Box.
<D-TV Set-Top Box>
(R) AUDIO (L)
DTV OUTPUT
DVI OUTPUT
PB
Y
PR
c. Use a DTV receiver with DTV 480p(576p)/720p/1080i mode.
* It can be supported the DVI/HDCP.
< How to connect a Component source >
a. Connect RCA to D-Sub Cable to RGB Input (PC/DTV) of
the projector.
* When connecting the D-TV Set-Top Box, match the jack
colors with the D-TV Set-Top Box.(Y=green, PB=blue,
PR=red)
b. Connect the Audio port of the projector to the Audio output
port (R, L) of the D-TV Set-Top Box.
c. Use a DTV receiver with DTV 480p(576p)/720p/1080i mode.
18
(R) AUDIO (L)
DTV OUTPUT
DVI OUTPUT
Y
PB
PR
Function
Function
* In this manual, the OSD(On Screen Display) may be different from your Projector’s because it is just example to help with the Projector
operation.
* If there is no input signal present, the Menu will not be displayed on the screen.
* This operating guide explains operation of RGB(PC) mode mainly.
Video Menu Options
Adjusting Video
< RGB mode >
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select a video item you
want to adjust.
Contrast
50
Brightness
50
Color R
50
Color G
50
Color B
50
Reset
3. Press the F, G button to adjust the screen condition as you want.
●
●
●
●
MENU prev.
move
F G adjust
< Video mode >
Each adjustment of
menu options will not affect other input source.
As required, re-adjust
menu options for the following input source :
Video/S-Video/Component (480i(576i)), Component (480p(576p), 720p, 1080i)
To restore the original image condition after changing it, press OK (A) button
after selecting [Reset] item.
In the broadcasting system NTSC, the picture item Tint is displayed and can
be adjusted.
To exit the menu display, repeatedly, press the MENU button.
APC
F
Contrast
80
Clear
Brightness
50
Color
50
Sharpness
50
MENU prev.
move
F G select
APC
F
Clear
Contrast
80
G
APC (Auto Picture Control)
* Use APC to set the projector for the best picture appearance.
* This function will not work in RGB mode.
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select APC item.
3. Press the F, G button to adjust the screen condition as you want.
●
50
Color
50
Sharpness
50
MENU prev.
move
F G select
Each press of the F, G button changes the screen as shown below.
Clear
●
Brightness
G
Soft
User
To exit the menu display, repeatedly, press the MENU button.
19
Function
Video Menu Options
Auto Color Temperature Control
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select ACC item.
ACC
F
Normal
G
Gamma
F
Normal
G
move
F G select
ACC
F
Normal
G
Gamma
F
Normal
G
MENU prev.
3. Press the F, G button to make appropriate adjustments.
●
Each press of the F, G button changes the screen as shown below.
Normal
●
Cool
Warm
To exit the menu display, repeatedly, press the MENU button.
Gamma Function
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Gamma item.
MENU prev.
3. Press the F, G button to adjust the screen condition as you want.
●
Each press of the F, G button changes the screen as shown below.
Normal
●
20
Film
Sports
To exit the menu display, repeatedly, press the MENU button.
move
F G select
Function
Special Menu Options
Selecting language
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Language item.
Language
F
English
G
ARC
F
4:3
G
move
F G select
Flip Horizontal
Flip Vertical
3. Press the F, G button to select the language you want to use.
●
●
MENU prev.
On-Screen-Display (OSD) is marked in the selected language from this point.
To exit the menu display, repeatedly, press the MENU button.
Flip Horizontal Function
* This function reverses the projected image horizontally.
Use this function when rear projecting an image.
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Flip Horizontal
item.
Language
F
English
G
ARC
F
4:3
G
Flip Horizontal
Press OK to Flip
Flip Vertical
MENU prev.
3. Press the OK (A) button to see reversed image.
●
●
move
A
OK
Each time you press the button, the image will be reversed.
To exit the menu display, repeatedly, press the MENU button..
Flip Vertical Function
* This function reverses the projected image vertically.
* When you hang the projector upside down from the ceiling ,
you will need to reverse the image vertically and horizontally.
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Flip Vertical
item.
Language
F
English
G
ARC
F
4:3
G
Flip Horizontal
Flip Vertical
MENU prev.
Press OK to Flip
move
A
OK
3. Press the OK (A) button to see reversed image.
●
●
Each time you press the button, the image will be reversed.
To exit the menu display, repeatedly, press the MENU button.
Using ARC Function
1. Press the ARC button.
Each press of the button changes the display as below.
ARC
F
16 : 9
G
ARC
16:9
F
4:3
G
4:3
You can also use this function by using the MENU button.
21
Function
Special Menu Options
Using Keystone function
* Use this function when the screen is not at a right angle to the
projector and the image is a trapezoid shape.
* Only use the Keystone function when you can’t get the best
angle of projection, because it may cause a blazing fire of the
screen.
1. Press the KEYSTONE + or KEYSTONE - button.
2. Press the KEYSTONE + or KEYSTONE - button to adjust the screen
condition as you want.
●
Keystone are adjusted from -50 to +50.
●
You can also use this function by using the MENU button.
Keystone
0
Auto Source Function
* Automatically detects the projector input signal.
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Auto Source item.
Keystone
0
Auto Source
F
Off
G
Blank Image
F
Blue
G
Lamp Mode
F
Normal mode
Lamp Time
3. Press the F, G button to select On or Off.
●
MENU prev.
G
0 Hr
move
F G select
To exit the menu display, repeatedly, press the MENU button.
Using Blank function
* This function may be effective if you need to get attention of the audience
during presentations, meetings or briefings.
1. Press the BLANK button.
● The
●
screen turns off to a background color and sound also turns off.
You can choose the background color.
(Refer to ‘Selecting blank image color’)
2. Press any button to cancel the blank function.
● On
exiting the blank status sound is also restored.
Selecting Blank Image color
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Blank Image
item.
3. Press the F, G button to select the color you want to use.
Keystone
F
Off
G
Blank Image
F
Blue
G
Lamp Mode
F
Normal
Lamp Time
MENU prev.
●
●
22
Background color will be changed to the selected Blank function color from this point.
To exit the menu display, repeatedly, press the MENU button.
0
Auto Source
0 Hr
move
F G select
G
Function
Lamp Mode Function
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Lamp Mode item.
3. Press the F, G button to select Normal mode or Silent mode.
●
Keystone
0
Auto Source
F
Off
G
Blank Image
F
Blue
G
Lamp Mode
F
Normal mode
Lamp Time
To exit the menu display, repeatedly, press the MENU button.
MENU prev.
G
0 Hr
move
F G select
Checking lamp time
1. Press the MENU button and then use F, G button to select the
menu.
● The used lamp time is displayed.
● When projector lamp is reaching the end of its life (over 2000 hours), the lamp indicator will
be turned red.
● The lamp warning LED illuminates red continuously in the case of excessive lamp time.
Keystone
0
Auto Source
F
Off
G
Blank Image
F
Blue
G
Lamp Mode
F
Normal mode
Lamp Time
MENU prev.
G
0 Hr
move
F G adjust
Using Still function
1. Press the STILL button.
* You can freeze the input image.
<Moving Image>
<Still Image>
2. To exit Pause, press any button .
* The STILL function would release automatically after about 10 minutes.
23
Function
Screen Menu Options
Auto Tracking Function
*This function assures you of getting the best video quality by automatically
adjusting the difference of horizontal size and synchronization of the image.
*Auto Tracking function works in RGB input only.
1. Press the AUTO button.
●
Image positioning and synchronization are automatically adjusted.
Auto Configure
2. Adjust Clock or Phase in
menu after operation of Auto Configure
if you want to get better picture quality in accordance with diverse RGB
input modes. In certain circumstances, you can’t get the best picture
quality only with auto-correction.
You can also use this function by using the MENU button. (Only in RGB mode)
For best results, perform this function while displaying a still image.
Clock / Phase Function
* Clock Function
This function adjusts the horizontal width of the projected image to get the
image to fit on the screen size.
* Phase Function
This function is for the detailed adjustment of the clock function.
* It’s available to adjust [Clock], [Phase] in RGB mode only.
1. Press the MENU button and then use F, G button to select the
2. Press the OK (A) button and then use
Phase item.
3. Press the
●
F, G
D,E
Auto Configure
menu.
button to select Clock or
Clock
0
Phase
15
Horizontal
0
Vertical
0
MENU prev.
move
F G adjust
move
F G adjust
button to adjust the screen condition.
To exit the menu display, repeatedly, press the MENU button.
Screen Position
*If the image size does not fit the screen in accordance with the input
source, set the position of the image by selecting Horizontal / Vertical
position. (RD-JT91:RGB, RD-JT92:RGB, RGB-DTV, DVI-DTV)
Auto Configure
1. Press the MENU button and then use F, G button to select the
menu.
2. Press the OK (A) button and then use D , E button to select Horizontal or
Vertical item.
3. Press the F, G button to adjust the screen condition as you want.
●
Horizontal, Vertical are adjusted from -50 to +50.
●
Based on the input mode, the adjustment range may be changed.
To exit the menu display, repeatedly, press the MENU button.
●
24
Clock
0
Phase
15
Horizontal
0
Vertical
0
MENU prev.
Information
Supported Monitor Display
* The projector displays the best image quality at a resolution of 800x600 pixels.
To display other resolution images, the projector compresses or expands it to 800x600.
The following table lists the display formats supported by the projector.
RD-JT91
Sources
RD-JT92
Format
VGAEGA
PC98 / VGA text
VGA
SVGA
XGA
SXGA
640X350
640X350
640X400
640X400
720X400
720X400
640X480
640X480
640X480
640X480
640X480
800X600
800X600
800X600
800X600
800X600
1024X768
1024X768
1024X768
1024X768
1152X864
1152X864
1152X864
1280X960
1280X1024
Vertical Freq.(Hz)
Horizontal Freq. (kHz)
Sources
70.090Hz
85.080Hz
70.090Hz
85.080Hz
70.082Hz
85.039Hz
59.940Hz
66.667Hz
72.800Hz
75.00Hz
85.008Hz
56.250Hz
60.317Hz
72.188Hz
75.00Hz
85.061Hz
60.004Hz
70.069Hz
75.029Hz
84.99Hz
60.053Hz
70.01Hz
75.00Hz
60.00Hz
60.020Hz
31.468kHz
37.861kHz
31.468kHz
37.861kHz
31.469kHz
37.927kHz
31.469kHz
35.00kHz
37.861kHz
37.500kHz
43.269kHz
35.156kHz
37.879kHz
48.077kHz
46.875kHz
53.674kHz
48.363kHz
56.476kHz
60.023kHz
68.677kHz
54.348kHz
63.995kHz
67.500kHz
60.00kHz
63.981kHz
VGAEGA
PC98 / VGA text
VGA
SVGA
XGA
SXGA
Format
640X350
640X350
640X400
640X400
720X400
720X400
640X480
640X480
640X480
640X480
800X600
800X600
800X600
800X600
800X600
1024X768
1024X768
1024X768
1024X768
1152X864
1152X864
1152X864
1280X960
1280X1024
Vertical Freq.(Hz)
Horizontal Freq. (kHz)
70.090Hz
85.080Hz
70.090Hz
85.080Hz
70.082Hz
85.039Hz
66.667Hz
72.800Hz
75.00Hz
85.008Hz
56.250Hz
60.317Hz
72.188Hz
75.00Hz
85.061Hz
60.004Hz
70.069Hz
75.029Hz
84.99Hz
60.053Hz
70.01Hz
75.00Hz
60.00Hz
60.020Hz
31.468kHz
37.861kHz
31.468kHz
37.861kHz
31.469kHz
37.927kHz
35.00kHz
37.861kHz
37.500kHz
43.269kHz
35.156kHz
37.879kHz
48.077kHz
46.875kHz
53.674kHz
48.363kHz
56.476kHz
60.023kHz
68.677kHz
54.348kHz
63.995kHz
67.500kHz
60.00kHz
63.981kHz
* If the projector does not support the input signal, “Out of Range” message appears on the screen.
* The projector supports DDC1/2B type as Plug & Play function. (Auto recognition of PC monitor)
* The Synchronization input form for horizontal and vertical frequencies are Separate, Composite and SOG.
* According to PC, the optimum vertical frequency may not be displayed up to the optimum frequency of set in
‘Registration information (Display registration information)’. (ex, The optimum vertical frequency may be displayed
up to 75Hz or under in the resolution of 640X480 or 800X600.)
<DVD/DTV Input>
Signal
NTSC(60Hz)
PAL(50Hz)
Component-*1 RGB(DTV)-*2
480i
O
X
480p
O
O
720p
O
O
1080i
O
O
576i
O
X
576p
O
O
1080i
O
O
* Cable type
1- RCA to D-Sub Cable
2- Computer Cable
25
Information
Maintenance
* The projector needs little maintenance. You should keep the lens clean because any dirt or stains may appear
on the screen. If any parts need to be replaced, contact your dealer. When cleaning any part of the projector,
always turn the power off and unplug the projector first.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface of it. Wipe the lens surface gently with an air spray or a soft,
dry lint-free cloth.
To remove dirt or stains on the lens, moisten a soft cloth with water and a neutral detergent and wipe the lens surface gently.
Cleaning the Projector Case
To clean the projector case, first unplug the power cable. To remove dirt or dust, wipe the casing with a soft, dry, lint-free cloth. To remove
stubborn dirt or stains, moisten a soft cloth with water and a neutral detergent and then wipe the casing.
Do not use alcohol, benzene, thinners or other chemical detergents as these can cause the casing to be warped or discolored.
26
Information
Specifications
MODEL
RD-JT91
RD-JT92
resolution
800(Horizontal) x 600(Vertical)pixel
854(Horizontal) x 480(Vertical)pixel
horizontal / vertical ratio
4:3(horizontal:vertical)
16:9(horizontal:vertical)
DLP panel size
0.55 inches
screen size
1.01~5.08m(40~200 inches)
remote control distance
12m
speaker system
1W(mono)
zoom ratio
1:1.2
Video compatibility
NTSC/PAL/SECAM/NTSC4.43/PAL-M/PAL-N
Power
AC 100 - 240V~50/60Hz, 3A-1A, 260W
height(mm/inches)
100.7/3.9
breadth(mm/inches)
330/12.9
length(mm/inches)
220.1/8.7
Operating Condition
Projector Lamp
temperature
lamp model
In operation : 32~104°F(0°C~40°C)
In storage and transit : -4~140°F(-20°C~60°C)
AJ-LT91
humidity
lamp power consumption
In operation : 0~ 80% relative humidity by dry hygrometer
Not in operation : 0 ~ 90% relative humidity by dry hygrometer
200W
LAMP Replacement
WARNING : Lamp is no user replaceable part.
Do not touch and open the lamp replace cover of
bottom enclosure. It could cause injury and electric
shock due to high temperature and voltage.
Only service personnel can replace lamp after
minimum 3 min. from disconnect mains plug to
avoid injury cause by high temperature of lamp.
* Applicable Lamp: Manufactured by USHIO Inc.,
type NSH200LG
27
Model number
Serial number
P/NO : 3828VA0482B b (373-026H)
:
:
LG DLP PROJECTOR
Please read this manual carefully before operating
your set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the bottom of the set and
quote this information to your dealer when you
require service.
RD-JT91
RD-JT92
OWNER’S MANUAL