LG RL-JA20 Owner's Manual
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LG RL-JA20 Owner's Manual

LG RL-JA20 Owner's Manual

Lg rl-ja20: owners manual
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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.
Model number
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Serial number
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RL-JA20
OWNER'S MANUAL

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Summary of Contents for LG RL-JA20

  • Page 1 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. Model number Serial number RL-JA20 OWNER’S MANUAL...
  • Page 2 - 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...

  • Page 3: Table Of Contents

    Connecting to a Macintosh PowerBook ...31 Connecting to a wireless transmitter (option)...32 Connecting to a wireless receiver (option) ...33 Connecting to a Video Source...34 Connecting to a DVD...35 Connecting to a D-TV Set-Top Box ...36 BASIC FUNCTIONS Function checking...37 Using Still function ...38 SPECIAL FUNCTIONS Selecting language ...39...

  • Page 4: Safety Instructions

    Safety Instructions G Please take note of the safety instructions to prevent any potential accident or misuse of the projector. G 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.
  • Page 5 Indoor Installation-NOTES Do not place the projector where it might be exposed to dust. - This may cause a fire hazard ! Only use the projector on a level and sta- ble surface. - It may become unstable and affect operation. Do not block the vents(air intake/exhaust) of the projector or restrict air-flow in any way.
  • Page 6 Safety Instructions In case of using a receiver (VCR, Digital Set Top Box), do not place an antenna in the vicinity of power lines. - This may cause an electric shock. In case of using a receiver (VCR, Digital Set Top Box), there should be enough dis- tance between an outside antenna and power lines to keep the former from touching the latter even when...
  • Page 7 Never touch the power plug with a wet hand - This may cause an electric shock hazard ! Prevent dust collecting on the power plug pins or outlet. - This may cause a fire hazard ! Ensure the power cord does not come into contact with sharp or hot objects such as a heater.
  • Page 8 Safety Instructions Do not place anything containing liquid on top of the projector such as flowerpot, cup, cosmetics or candle. - This may cause a fire hazard ! Do not allow any objects to fall into the projector. - This may cause an electric shock hazard ! Dispose of used batteries carefully and safely.
  • Page 9 Don’t look directly onto the lens when the projector is in use. Eye damage may occur! Never touch the wall outlet when there is leakage of gas, open the windows and ventilate. - It can cause a fire or a burn by a spark. Do not drop the projector or allow impact shock.
  • Page 10 Safety Instructions Do not touch the lens of the projector. It is delicate and easily damaged. Do not use water while cleaning the pro- jector - This may cause damage to the projector or an electric shock hazard. 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.
  • Page 11 Unplug this product from the wall outlet before cleaning. Do not use liquid clean- ers or aerosol cleaners. - This may cause damage to the Projector or cause an electric shock hazard ! Do not attempt to service the projector yourself.

  • Page 12: Names Of Parts

    Names of parts Main Body Main Body * The LCD 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.
  • Page 13 Rear Connecting Part Rear Connecting Part A-RGB1 A-RGB2/D-RGB RS-232C Audio A-RGB2/D-RGB A-RGB1 RS-232C Audio Rear remote control sensor Kensington Security System Connector (Refer to page 21)
  • Page 14 Names of parts Control Panel Control Panel MENU Button Selects or closes menus. INPUT SELECT Button Switches to A-RGB1, INPUT SELECT A-RGB2, D-RGB, Video, S-Video, Component mode. POWER Button Button Selects menus and items in the menus. MENU OK / Checks present mode and saves the change of functions.

  • Page 15: Inserting The Batteries

    Remote Control Remote Control POWER Button KEYSTONE Button(Refer to p.49) APC Button(Refer to p.53) AUTO TRACKING Button(Refer to p.54) ARC Button(Refer to p.51) SWAP Button(Refer to p.47) MENU Button Button VOL( ) Button ZOOM-, + Button(Refer to p.50) Inserting the batteries •...
  • Page 16 Names of parts Projector Status Indicators 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 Temperature indicator Orange Operation Indicator Green Orange(flashing) Projector lamp is cooling as power out(2 minutes) Lamp Indicator Red(flashing)

  • Page 17: Optional Extras

    Accessories Accessories POWER KEYSTONE INPUT SELECT STILL AUTO TRACKING BLANK SUB INPUT SWAP TWIN PICTURE MENU MUTE VIDEO COMPONENT A-RGB1 ZOOM- ZOOM+ 1.5V Remote Control Batteries 2 (size AAA) Computer Cable Audio Cable MAC Desktop Adaptor Optional Extras * Contact your dealer to purchase these items. * Contact your dealer for replacing a new lamp.

  • Page 18: Installation Instructions

    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) 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.
  • Page 19 Do not obstruct the slots and openings of the projector. This may cause overheating and create a fire hazard. The LCD 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 LCD projector Screen.

  • Page 20: Composition

    Composition Basic Operation of the Projector Basic Operation of the Projector . Place the projector on a sturdy and horizontal surface with the PC or AV source. . Place the projector the correct distance from the screen. The distance between the projector and the screen determines the actual size of the image.
  • Page 21 Using Kensington Security System 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.

  • Page 22: Turning On The Projector

    Turning on the Projector Connect power cord correctly. Remove the lens cover of the projector. Press the button on the remote control or top cover.(Green operation indicator flashes POWER during cooling of the lamp.) It will take about 1 minute to display the picture after power on because the projector lamp has to warm up.

  • Page 23: Turning Off The Projector

    Turning off the Projector Press the button on the top cover or remote control. POWER Power Off? Please Press Key Again. Press the POWER button on the top cover or remote control again to cut off the power. 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).

  • Page 24: Operating The Projector

    Operating the Projector Focus and Position of the Screen Image 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 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.

  • Page 25: Selecting Source Mode

    Selecting source mode Press the INPUT SELECT button. select A-RGB1 Each press of the VOLUME A-RGB1 Component ) button changes the display as below. A-RGB2 S-Video D-RGB Video...

  • Page 26: Connecting To A Desktop Pc

    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.

  • Page 27: Connecting To A Notebook Pc

    Connecting to a Notebook PC < How to connect > a. Connect computer cable to A-RGB1 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.

  • Page 28: Connecting To A Macintosh Desktop Pc

    Connecting to a Macintosh Desktop PC * You must use the Macintosh desktop adaptor to connect the projector to a Macintosh PC. RS-232C < How to connect > a. Connect computer cable to A-RGB1 of the projector. b. Set the adjusting number and letter of the Macintosh desktop adaptor in accordance with the resolution you want to use and connect the adaptor to the Macintosh.
  • Page 29 How to use the Macintosh desktop adaptor How to use the Macintosh desktop adaptor How to use Usually set 1 ~ 6 to OFF status and 7 ~ 9 to ON status of the adjusting numbers. And select the adjusting letter which is correct to the Macintosh and the monitor. (Refer to page 30.) b.
  • Page 30 Connecting to a Macintosh Desktop PC Adjusting letters of MAC desktop adaptor in accordance with type of MAC and output spec. Adjusting letters of MAC desktop adaptor in accordance with type of MAC and output spec. output 12 RGB output spec resolution 512x384 horizontal frequency(KHz)

  • Page 31: Connecting To A Macintosh Powerbook

    Connecting to a Macintosh PowerBook < How to connect > a. Connect computer cable to A-RGB1 of the projector. b. Set the adjusting number and letter of the Macintosh desktop adaptor in accordance with the resolution you want to use and connect the adaptor to the Macintosh. (Refer to page 29 ~ 30) Connect the computer cable to the Macintosh desktop adaptor.

  • Page 32: Connecting To A Wireless Transmitter (Option)

    Connecting to a wireless transmitter (option) • When connecting the wireless transmitter with external equipments, match the colors of connecting ports (Video - yellow, Audio(L) - white, Audio(R) -red). • If you have a mono VCR, connect the audio cable from the VCR to the AV input of the wireless AV transmitter.

  • Page 33: Connecting To A Wireless Receiver (Option)

    Connecting to a wireless receiver (option) • When connecting the wireless receiver with external equipment, match the colors of connecting jacks: Video-yellow, Left Audio-white), Right Audio-Red. <Receiver rear> AV INPUT S-Video Video Audio DC 12V OUT <Side panel of the Projector> <...

  • Page 34: Connecting To A Video Source

    Connecting to a Video Source * You can connect a VTR, a camcorder, a LDP or any other compatible video image source to the projector. S-Video Video Audio DC 12V OUT < How to connect 1 > a. Connect the AV input jacks of the projector to the output jacks of the A/V source with A/V cables. If you connect the Audio(R) of external equipment with projector, you can’t hear the sound.

  • Page 35: Connecting To A Dvd

    Connecting to a DVD * The output jacks (Y, P ) of the DVD might be labelled as Y, Pb, Pr / Y, B-Y, R-Y / Y, Cb, Cr according to the equipment. S-Video Video Audio DC 12V OUT < How to connect > a.

  • Page 36: Connecting To A D-Tv Set-Top Box

    Connect the Component (DVD/DTV) ports (Y, P ) of the D-TV Set-Top Box. b. Connect the Audio port of the projector to the Audio output port (L) of the D-TV Set-Top Box. Use a DTV receiver with DTV 480p/720p/1080i mode.

  • Page 37: Function Checking

    Function checking * If there is no input signal present, the Menu will not be displayed on the screen. * This operating guide explains operation of A-RGB1 mode mainly. Press the button to display a menu on the screen. MENU Press the button to select a menu.

  • Page 38: Using Still Function

    Using Still function Press the button. STILL * You can freeze the input image. <Moving Image> To exit Pause, press any button . * The STILL function would release automatically after about 10 minutes. <Still Image>...

  • Page 39: Selecting Language

    Selecting language Press the MENU button and then use Press the ) button and then use Press the ) button to select the language you want to use. VOLUME On-Screen-Display(OSD) is marked in the selected language from this point. To exit the menu display, press the button to select the Language English...

  • Page 40: Checking Lamp Time

    Checking lamp time Press the button and then use MENU The used lamp time is displayed. When projector lamp is reaching the end of its life(over 1500 hours), the lamp indicator will be turned red and the projector will display “Replace the Lamp” on screen. The OSD, "Replace the Lamp"...

  • Page 41: Manual Color Temperature Control

    Manual Color Temperature Control * You can adjust red, green, or blue to any color temperature you prefer. Press the MENU button and then use Press the ) button and then use Use the VOLUME ) button to make appropriate adjustments. The adjustment range of [Color Temp.

  • Page 42: Using Blank Function

    Using Blank function * This function may be effective if you need to get attention of the audience during presentations, meetings or briefings. Press the BLANK button. * The screen turns off to a background color and sound also turns off. * You can choose the background color.
  • Page 43 Selecting Blank Image color Selecting Blank Image color Press the button and then use MENU Press the ) button and then use Press the ) button to select the color you want to use. VOLUME Background color will be changed to the selected Blank function color from this point. To exit menu display, press the MENU button.

  • Page 44: Using Flip Horizontal / Vertical Function

    Using Flip Horizontal / Vertical function Flip Horizontal Function Flip Horizontal Function * This function reverses the projected image horizontally. Use this function when rear projecting an image. Press the button and then use MENU Press the ) button and then use Press the ) button to see reversed image.
  • Page 45 Flip V ertical Function Flip V ertical 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. Press the button and then use MENU Press the...

  • Page 46: Twin Picture Function

    TITLE Twin Picture function How to use twin picture TWIN PICTURE Press the Twin Picture1 You can use this function by using the Input select of the sub picture Press the SUB INPUT button to select desired with picture. TWIN PICTURE Twin Picture 2 Twin Picture 1 Twin Picture : Off...
  • Page 47 Changing the picture of main and sub picture Press the SWAP SWAP Using Still function in twin picture mode. STILL Press the button in twin picture mode. STILL Main Still Sub Still exit You can cancel this function directly by selecting [Off] in menu. The STILL function is cancelled when changing the input signal.

  • Page 48: Adjusting Screen Display

    Adjusting screen display * 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.(For A-RGB1, A-RGB2, Component 480p/720p/1080i) Press the MENU button and then use Press the ) button and then use Press the...

  • Page 49: Using Keystone Function

    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.

  • Page 50: Using Zoom Function

    Using Zoom function * This function works only in RGB mode. Press the ZOOM - ZOOM + 0/20 ZOOM- Press the ZOOM - ZOOM + 15/20 ZOOM- Move to the position you want to see the enlarged screen by moving press the button.

  • Page 51: Using Arc Function

    Using ARC function * You can select 16:9 picture format only with an HD input (720p,1080i) mode. Press the button. Each press of the button changes the display as below. 16:9 16:9 < Video/S-Video/Component(480i(576i), 480p) mode > 16:9 16:9 22% Magnification Zoom4 22% Magnification Zoom4...

  • Page 52: Adjusting Video

    Adjusting Video Press the button and move the MENU < RGB mode > < Video, S-Video, Component mode > Contrast Brightness Color R Color G Color B Reset Menu exit move Press the ) button. < RGB mode > < Video, S-Video, Component mode > Contrast Brightness Color R...
  • Page 53 APC (Auto Picture Control) APC (Auto Picture Control) * Use APC to set the projector for the best picture appearance. * This function will not work in RGB mode. Press the button. User Each press of the button changes the screen as shown below. User Clear * You can also use this function by using the...

  • Page 54: Using Tracking Function

    Using Tracking function Auto T racking Function Auto T racking Function * 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 Analog RGB(A-RGB1, A-RGB2) input only. Press the AUTO TRACKING button.
  • Page 55 Clock / Phase Function 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 Analog RGB mode only.

  • Page 56: External Control Device Setup

    External control device setup * Connect the RS-232C input jack to an external control device (such as a computer or an A/V control system) and control the Projector’s functions externally. * When you connect a control(RS-232C) cable to this projector, use a control cable with a ferrite core attached. If you do not do this, this projector will not conform to mandatory CISPR22(EN55022) standards.
  • Page 57 How to connect external control equipment • Connect the serial port of the PC to the RS-232C jack on the projector back panel. • RS-232C cable is not supplied with the projector. A-RGB1 RS-232C • Use the RS232C cable to control the projector externally (Refer to Fig.1). <Fig.1, RS-232 Interface Cable>...

  • Page 58: Command Reference List

    External control device setup Command Reference List Command1 01. Power 02. Input Select 03. Aspect Ratio 04. Screen Mute 05. Sub Input Select 06. Contrast 07. Brightness 08. Color 09. Tint 10. Sharpness 11. Color R 12. Color G 13. Color B 14.
  • Page 59 01. Power (Command2-1:0, Command2-2:0) To control Power On/Off of the Projector. Transmission [k] [0] [0] [Set ID] [ ] [Data] [Cr] Data 00 : Power Off 01 : Power On [0] [0] [ ] [Set ID] [ ] [OK] [Data] [X] Data 00 : Power Off 01 : Power On...
  • Page 60 External control device setup 06. Contrast (Command2-1:3, Command2-2:0) To adjust screen contrast. Transmission [k] [3] [0] [ ] [Set ID] [ ] [Data] [Cr] Data Min : 00 ~ Max : 64 * Refer to ‘Real data mapping 1’. * Always marks data value with Hexadecimal. That is, marks with two-place Hexadecimal while writing and read data is also marked with Hexadecimal value.
  • Page 61 11. Color R Adjustment (Command2-1:3, Command2-2:6) To adjust red in color temperature. Transmission [k] [3] [6] [ ] [Set ID] [ ] [Data] [Cr] Data Min : 00 ~ Max : 64 * Refer to ‘Real data mapping 1’. * Always marks data value with Hexadecimal. That is, marks with two-place Hexadecimal while writing and read data is also marked with Hexadecimal value.
  • Page 62 External control device setup 17. Twin Picture Mode Select (Command2-1:4, Command2-2:1) To control the twin picture. Transmission [k] [4] [1] [ ] [Set ID] [ ] [Data] [Cr] Data 00 : FULL 01 : TWIN 1 02 : TWIN 2 [4] [1] [ ] [Set ID] [ ] [OK] [Data] [X] Data 00 : FULL 01 : TWIN 1 02 : TWIN 2 18.

  • Page 63: Supported Monitor Display

    Supported Monitor Display * The projector displays the best image quality at a resolution of 1280x720 pixels. To display other resolution images, the projector compresses or expands it to 1280x720. The following table lists the display formats supported by the projector. Sources Format VGAEGA...

  • Page 64: Maintenance

    Maintenance * The projector needs little maintenance. You should keep the lens clean because any dirt or stains may appear on the screen. You will also need to clean the air filter attached at the bottom of the projector periodically because a clogged air filter prevents proper ventilation that is necessary to cool the projector and prevents it from overheating.

  • Page 65: Memo

    Memo...

  • Page 66: Specifications

    In operation : 32~95°F(0°C~35°C) In storage and transit : -4~140°F(-20°C~60°C) humidity In operation : 0~ 80% relative humidity by dry hygrometer Not in operation : 0 ~ 90% relative humidity by dry hygrometer RL-JA20 0.87 inches 1280(Horizontal) x 720(Vertical)pixel 1.01~5.08m(40~200 inches) 16:9(horizontal:vertical) 1:1.3...
  • Page 67 7 a.m. – 8 p.m. CT Monday – Friday 8 a.m. – 5 p.m. CT Saturday Closed Sunday ® Service for your LG Brand LCD Projector is provided through LG Electronics Alabama, Inc., the ® authorized LG Brand ServiceCenter for the United States. ®...
  • Page 68 SERVICE: The customer will be required to ship the unit to the Factory Service Center to make the necessary repairs. LG is not responsible for the de -installation or re-installation of the unit from its mounted position. Please call: 1-800-243-0000 to locate your nearest LG ®...

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