LG Rd Jt52 Projector User Manual

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Remote Control Description 
The remote control sensors are located in the front/ back of the projector.  
1.   3 LEFT / KEYSTONE - ,4 RIGHT / KEYSTONE +
Whe the OSD menu is activated, the buttons function as 3 Left / 4 Right. 
For the rest of time, the buttons function as Keystone - / Keystone +.
2. MOUSE PAD, MOUSE , L-CLICK, R-CLICK
When a PC or notebook is connected to the projector with a USB connector, 
these buttons work as a mouse.
LR
POWER
MENU
DRAG SOURCE
KEYSTONE
RETURN...

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3. ZOOM IN/ OUT
By pressing ZOOM IN +, the center of the picture will be magnified. When 
the + button is pressed again, the picture is further magnified, up to four 
times the original size. By pressing ZOOM OUT -, the size of the image is 
reduced. When the - button is pressed again, the picture is further reduced 
until it is restored to its original size. To return to the normal display mode, 
press the RETURN button. (This function can be used in combination with 
FREEZE. )...

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Installing or Replacing Batteries (“AAA” type)
Caution
Avoid excessive heat and humidity. There may be danger of an explo-
sion if batteries are incorrectly replaced. Replace only with the same or 
equivalent type recommended by the manufacturer.  Dispose of used 
batteries according to the manufacturer’s instructions.Push and open the 
battery 
compartment lid in 
the direction shown.
1Install batteries 
as indicated by 
the diagram 
inside the 
compartment.2Position the lid...

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INSTALLATION
Display Size
Place the projector at the required distance from the screen according to the 
desired picture size (see the table below).
RD-JT50 / RD-JT52 display size chart (4:3 aspect ratio)
Distance from  screen Diagonal measurement
Distance from 
screen Diagonal measurement
Minimum  zoom Maximum 
zoom Minimum zoom Maximum zoom
feet inches feet inches feet inches meters cm meters cm meters cm 6 72 3.73 44.8 4.57 54.9 1.5 150 0.93 93.3 1.14 114.3
8 96 4.98 59.7 6.10...

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There is 3% ~ 5% tolerance among these numbers due to optical component limits.
* 1m = 3.28 feet, 1 feet = 0.305m, 1m = 100cm, 1 feet = 12 inches
Connecting to Various Equipment
HDTV description
The projector is capable of displaying various High Definition TV display 
modes. Some of these sources are:  
Most of these sources will provide an analog composite video output, a 
standard VGA output, or a YPbPr (default) format. 
The projector is capable of accepting HDTV data...

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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.    
1. Notebook/ Computer (Macintosh computer is only supported with D-
Sub IN connector.)   
The USB cable is not needed unless you have a remote control with mouse 
functions.
2. DVD player or HDTV signal can only support D-SUB IN.  
3....

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4. Video device or VCR 
Video
D-SUB IN
AC INDVI-D
S-Video RS-232Audio USB
Video / Audio 

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OPERATION
Start Up
1. Plug the power cord into a wall socket.
2. Turn the Main Power Switch on. 
3. Press and hold POWER to start the unit. The Power Indicator flashes 
green and stays green when the power is turned on.
(When the power is turned off, there is a 90-second cooling period before 
the projector can be re-started.)
4. Switch on all connected equipment.
(110V)(220V)
AUTO BLANKSOURCE
KEYSTONE 
-KEYSTONE +
POWER
MENU/EXIT
ProjectorRemote Control 

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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 
3/ 4 (hot key) 
on the remote control, and 
then adjust the sliding bar 
labeled Keystone, as 
needed. Press 
3 to correct 
keystoning at the top of the 
image. Press 
4 to correct 
keystoning at the bottom of 
the image.
Auto Adjustment
In some cases, you may need to optimize the picture quality. To do...

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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.
Because Analog RGB and YPbPr inputs share the same terminal in the back of the 
projector, there’s only one signal can be applied at one time.
 
Blank
Uses BLANK to hide the screen image and press BLANK again or 
RETURN to bring the image back.
AUTO BLANKSOURCE
KEYSTONE 
-KEYSTONE +
POWER
MENU/EXIT
ProjectorRemote...