LG 42LT55A Owner'S Manual Download Page 2

Page: 2 / 93

ENG

ENGLISH

TABLE OF CONTENTS

LICENSES

ASSEMBLING AND

PREPARING

Accessories

Optional Accessories

Parts and Buttons

Using the Mounting Cable Tie

Connecting the Speakers

Using the IR Receiver

Portrait Layout

10 Connecting the Media Player
11

Mounting on a Wall

REMOTE CONTROL

USING THE MONITOR

15 Connecting to a PC
16

- RGB Connection

- DVI-D Connection

- HDMI Connection

- Display Port Connection

- IR Receiver Connection

- Touch USB Cable Connection

19 Adjusting the Screen
19

- Selecting an Image Mode

- Customizing Image Options

- Customizing PC Display Options

20 Adjusting the Sound
20

- Selecting an Sound Mode

- Customizing Sound Options

21 Using Additional Options
21

- Using the Input List

- Adjusting Aspect Ratio

ENTERTAINMENT

24 Using the Network
24

- Connecting to a Wired Network

- Network Status

26 Using the My Media
26

- Connecting USB Storage Devices

- Browsing Files

- Viewing Movies

- Viewing Photos

- Listening to Music

- Viewing the Contents List

- DivX® VOD Guide

- Using PIP/PBP

CUSTOMIZING SETTINGS

41 Accessing Main Menus
42

- PICTURE Settings

- AUDIO Settings

- TIME Settings

- OPTION Settings

- Picture ID Settings

- NETWORK Settings

MAKING CONNECTIONS

55 External Device Connection
55

- HDMI Connection

- Component Connection

- AV Connection

56 Connecting to a USB
57 LAN Connection

USING THE TOUCH SCREEN

58  To Use the Touch Screen on Windows 7
58  Gestures and Settings on Windows 7
59  To Use the Touch Screen on Windows XP

Summary of Contents for 42LT55A

Page 1: ...www lg com OWNER S MANUAL MONITOR SIGNAGE Please read this manual carefully before operating the your set and retain it for future reference MONITOR SIGNAGE MODELS 42LT55A 47LT55A ...

Page 2: ...Mode 21 Customizing Sound Options 21 Using Additional Options 21 Using the Input List 22 Adjusting Aspect Ratio 24 ENTERTAINMENT 24 Using the Network 24 Connecting to a Wired Network 25 Network Status 26 Using the My Media 26 Connecting USB Storage Devices 27 Browsing Files 28 Viewing Movies 32 Viewing Photos 35 Listening to Music 37 Viewing the Contents List 38 DivX VOD Guide 39 Using PIP PBP 41 ...

Page 3: ...Use LG TDS 62 Precautions When Using the Touch Screen 63 TROUBLESHOOTING 68 SPECIFICATIONS 75 IR CODES 76 CONTROLLING THE MULTIPLE PRODUCT 76 Connecting the Cable 76 RS 232C Configurations 76 Communication Parameter 77 Command Reference List 79 Transmission Receiving Protocol ...

Page 4: ...gistration code locate the DivX VOD section in your device setup menu Go to vod divx com for more information on how to complete your registration DivX Certified to play DivX video up to HD 1080p including premium content DivX DivX Certified and associated logos are trademarks of Rovi Corporation or its subsidiaries and are used under license Covered by one or more of the following U S patents 7 2...

Page 5: ...mages or injuries by using pirated items are not covered by the warranty y y The accessories supplied with your product may vary depending on the model y y Product specifications or contents in this manual may be changed without prior notice due to upgrade of product functions Remote control and Batteries Power Cord IR Receiver D sub 15 pin signal cable Mounting Cable Tie CAUTION NOTE CD Owner s M...

Page 6: ...anual may differ from the actual product and accessories Cable holder Cable Tie Screws Diameter 4 0 mm x Pitch 0 7 mm x Length 8 mm Included Spring Washer SP 2000 Speaker Speaker kit Media Player kit CD Owner s Manual Card Media Player Screws y y Cable holder cable tie may not be available in some areas or for some models y y Optional accessories are available for some models If necessary please p...

Page 7: ...source MENU Accesses the main menus or saves your input and exits the menus Adjust the up and down Adjusts the volume level AUTO SET Displays the current signal and mode Press this button to adjust the screen automatically available only in RGB mode I Turns the power on or off Connection panel Buttons ...

Page 8: ...3 After installing your speakers use holders and cable ties to secure the speaker cables 2 Mount the speaker by using a screw as shown in the following Then connect the speaker cable Using the Mounting Cable Tie First connect the input signal cable to be used Insert the cable tie into the bottom hole on the back as shown in the figure to organize cables ...

Page 9: ...custom location It is recommended to attach it to the location illustrated in the figure below y y Do not attach the IR receiver to the surface of the monitor or within 50 cm of it in any direction NOTE Portrait Layout To install in portrait mode rotate the set counterclockwise 90 degrees when looking from the front ...

Page 10: ...he four screws provided y y Use the screws provided with the product Diameter 3 0 mm x Pitch 0 5 mm x Length 6 0 mm NOTE Connecting the Media Player 1 Place a soft cloth on the table and put the product with the screen facing downward Push the Media Player into the compartment to mount it ...

Page 11: ...r Fastening screw Diameter 6 0 mm x Pitch 1 0 mm x Length 10 mm y y Disconnect the power before installing or moving the monitor Otherwise electric shock may occur y y If you install the monitor on a ceiling or slanted wall it may fall and result in severe injury Use an authorized LG wall mount and contact the local dealer or qualified personnel y y Do not over tighten the screws as this may cause...

Page 12: ...an obtain additional accessories from your local dealer y y The illustration shows a general example of installation and may look different from the actual product CAUTION y y If a product is not positioned in a sufficiently stable location it can be potentially hazardous due to falling Many injuries particularly to children can be avoided by taking simple precautions such as Using cabinets or sta...

Page 13: ...RS TUV 1 a A WXYZ CLEAR OK S MENU MONITOR PSM AUTO MUTE BRIGHT NESS MENU POWER POWER Turns the Monitor on or off MONITOR ON OFF Turn off the monitor and then turn it back on 1 a A Button Toggles between numerical and alphabetical ENERGY SAVING Adjusts the brightness of the screen to reduce energy consumption INPUT Selects the input mode Number and Alphabet buttons Enters numerical or alphabetical ...

Page 14: ...or saves your input and exit menus Navigation buttons Scrolls through menus or options OK Selects menus or options and confirms your input BACK Allows the user to move back one step USB Menu control buttons Controls media playback ID ON OFF When the number of Picture ID is equal to Set ID you can control the monitor which you want in the multi display condition AUTO Automatically adjusts picture p...

Page 15: ...displaying a fixed image on the screen for a long period of time to prevent image burn Use a screensaver if possible y y When you use wireless equipment near the product an image problem might occur y y It is recommended to use the monitor with the HDMI connection for the best image quality y y Use a shielded signal interface cable such as D sub 15 pin signal cable and DVI cable with a ferrite cor...

Page 16: ... video signal from your PC to the Monitor Connect the PC and the Monitor set with the 15 pin signal cable as shown the following illustrations Select RGB input source on the monitor y y Apple computers may require an adapter to connect to this monitor Call or visit their web site for more information y y Use the standard Macintosh adapter since an incompatible adapter is available in the market Di...

Page 17: ...io signals from your PC to the monitor Connect the PC and the monitor with the display port cable as shown in the following illustrations Select display port input source y y Use a High Speed HDMI Cable y y Please check the PC environment if you cannot hear the sound in HDMI mode Some PCs require you to manually change the default audio output to HDMI y y If you want to use HDMI PC mode you must s...

Page 18: ...OR IR Receiver Connection Allows the use of a wired remote or IR receiver extension y y Make sure the power cable is disconnected NOTE Touch USB Cable Connection Plug a USB cable into the Touch USB port on the back of the monitor PC ...

Page 19: ...imizes the video image for high and dynamic actions by emphasizing primary colors such as white grass or sky blue Game Optimizes the video image for a fast gaming screen such as PCs or games 5 When you are finished press EXIT When you return to the previous menu press BACK Option Description Backlight Adjusts the brightness of the screen by controlling the LCD backlight If you decrease the brightn...

Page 20: ...the picture is not clear especially when characters are shaky Run Auto Config before adjusting these Reset Restores the options to the default setting 5 When you are finished press EXIT When you return to the previous menu press BACK Adjusting the Sound Selecting an Sound Mode This monitor has 5 preset sound modes to compliment different types of video content 1 Press MENU to access the main menus...

Page 21: ...ncy range of the output Reset Resets the sound mode to the default setting 6 When you are finished press EXIT When you return to the previous menu press BACK Using Additional Options Using the Input List 1 Press INPUT to access the Input List 2 Press the navigation buttons to scroll to one of the input mode and press OK Input source Description AV Watch video from a VCR or other external devices C...

Page 22: ... prevent image sticking do not play a still image for more than two hours y y If the aspect ratio is set to 4 3 for a long period of time image burn may occur on the letterboxed area of the screen y y Recommended operation time for optimum performance and reliability is 12 hours or less per day y y When using the touch screen monitor it is recommended to set the screen aspect ratio to Just Scan CA...

Page 23: ...nt to enlarge the picture in correct proportion Note When enlarging or reducing the picture the image may become distorted 16 9 This selection will allow you to adjust the picture horizontally in linear proportion to fill the entire screen useful for viewing 4 3 formatted DVDs Just Scan This Selection will allow you view the picture of best quality without loss of original picture in high resoluti...

Page 24: ...tings 5 Select IP Auto Setting or IP Manual Setting If selecting IP Manual Setting press the Navigation and Number buttons IP address es will need to be input manually IP Auto Setting Select this if there is a DHCP server Router on the local area net work LAN via wired connection the display will automatically be allocated an IP address If you re using a broadband router or broad band modem that h...

Page 25: ...t meet the requirements of the content being accessed y y Some internet connection operations may not be possible due to certain restrictions set by the Internet service provider ISP supplying your Internet connection y y Any fees charged by an ISP including without limitation connection charges are your respon sibility y y A 10 Base T or 100 Base TX LAN port is required when using a wired connect...

Page 26: ...matted as a different utility program which is not supported by Windows it may not be recognized y y Please connect power to a USB storage de vice over 0 5 A which requires an external power supply If not the device may not be recognized y y Please connect a USB storage device with the cable offered by the device maker y y Some USB storage devices may not be sup ported or operated smoothly y y Fil...

Page 27: ...ecommended to use a certified USB storage device and cable Otherwise a USB storage device may not be detected or a playback error may occur y y Only a USB memory stick can be used to play back the files distributed and stored by SuperSign Manager A USB hard disk or multi card reader will not work y y Only an FAT 32 file formatted storage device can play back the files distributed and stored by Sup...

Page 28: ...to 15360 x 8640 Progressive 64 x 64 to 1920 x 1440 y y You can play JPEG files only y y Non supported files are displayed in the form of predefined icon File Extensions Item Profile jpeg jpg jpe supported file format y y SOF0 baseline y y SOF1 Extend Sequential y y SOF2 Progressive photo size y y Min 64 x 64 y y Max Normal Type y y 15360 W x 8640 H y y Progressive Type y y 1920 W x 1440 H Music MP...

Page 29: ...r resumes the playback Scans backward in a file Scans forward in a file Show the Option menu Hide the menu on the full sized screen Return to Movie List or Skips to specific points in a file dur ing playback The time of a specific point will appear on the status bar In some files this function may not work properly ENERGY SAVING Adjusts the screen brightness to save energy 01 02 30 02 30 25 Option...

Page 30: ... played correctly y y If the video and audio structure of recorded file is not interleaved either video or audio is outputted y y HD videos with a maximum of 1920x1080 25 30P or 1280x720 50 60P are supported depending on the frame y y Videos with resolutions higher than 1920X1080 25 30P or 1280x720 50 60P may not work properly depending on the frame y y Movie files other than the specified types a...

Page 31: ...how the Picture Size Audio Language Subtitle Language or Repeat 2 Press the navigation buttons to scroll to make appropriate adjustments Menu Description Picture Size Selects your desired picture format during movie play Audio Language Changes the Language Group of the audio during movie play Files with a single audio track cannot be selected Subtitle Language Turn on off the subtitle Language Act...

Page 32: ... to a folder you want and press OK 4 Press the navigation buttons to scroll to a file you want and press OK 5 View photos y y Non supported files are displayed the pre view image by icon only y y Abnormal files are displayed in the form of bitmap Menu Description View Marked Display the selected photo file Mark All Mark all photo files on the screen Unmark All Deselect all marked photo files Exit ...

Page 33: ...0 180 270 360 Zoom Enlarges the image to 200 or 400 Number of selected photos Options Option Description ENERGY SAVING Adjusts the screen brightness to save energy Option y y Slide Speed Selects a slideshow speed Fast Medium Slow y y TransitionEffect Set the view mode of the slideshow y y BGM Selects a music folder for the background music Hide Hides the option window To display the options press ...

Page 34: ...ption Description Sliding Pushes the current slide out of view as it plays to the next slide Stairs Pushes the current slide in a staircase shape as it plays to the next slide Door Open Close Pushes the current slide like opening or closing the door as it plays to the next slide Shutter Pushes the current slide like drawing or pulling down the blind as it plays to the next slide Fade In The curren...

Page 35: ...l to a folder you want and press OK 4 Press the navigation buttons to scroll to a file you want and press OK Menu Description Play Marked Display the selected music file Mark All Mark all music files on the screen Unmark All Deselect all marked music files Exit Mark Mode Exit the Mark Mode Page 1 1 Music List Drive1 Page 1 1 001 B01 mp3 00 00 002 B02 mp3 00 00 003 B03 mp3 00 00 004 B04 mp3 00 00 0...

Page 36: ...2 30 03 25 Hide Exit Option Play with Photo Button Description Stops playing back the file and moves back to the Music List Plays a music file Pauses or resumes playback Skips to the next file Skips to the previous file or When playing When you press the button the pre vious music file will be played When you press the button the next music file will be played Green button Start playing the select...

Page 37: ...aying media files from Contents List only the BACK EXIT or Volume button are available Selecting the BACK or EXIT button stops playing media files and returns to the screen view mode y y If there is the AutoPlay folder in the USB device and its files are in supported formats they can be played back automatically when the USB device is connected to the monitor NOTE Viewing the Contents List Plays b...

Page 38: ...our display 6 When you are finished press EXIT When you return to the previous menu press BACK y y While you are checking the registration code some buttons may not work y y If you use the DivX registration code of another device you cannot play the rented or purchased DivX file Make sure to use the DivX registration code assigned to your Product y y The video or audio files that are not con verte...

Page 39: ...t Yes to confirm Deregistration code Deregister at http vod divx com Continue with registration Yes No 6 When you are finished press EXIT When you return to the previous menu press BACK NOTE Using PIP PBP Videos or pictures stored on the USB device can be displayed on a single monitor by dividing them into the main and subscreens 1 Press MENU to access the main menus 2 Press the navigation buttons...

Page 40: ...ut sound before running the PIP or PBP function Select the sound path Main Sub 8 The sub screen is displayed on the main screen 01 02 30 02 30 25 Option Hide Exit MOVIE LIST PHOTO LIST Page 1 1 Movie List USB1 USB Drive Drive1 Page 1 1 To Photo list Change Numbers Mark Mode Exit 003 001 002 004 005 006 051 Apple_ 02 30 25 2 13 Slideshow BGM Hide Option Exit Play Move Page Change Page ...

Page 41: ... When you return to the previous menu press BACK OPTION PICTURE NETWORK AUDIO TIME MY MEDIA PICTURE See p 42 Adjusts the image size quality or effect AUDIO See p 45 Adjusts the sound quality effect or volume level NETWORK See p 53 Sets up the network setting OPTION See p 47 Customizes the general settings TIME See p 46 Sets the time date or Timer feature MY MEDIA See p 26 Display and play movie ph...

Page 42: ...nables Easy Brightness Control Smart Energy Saving Adjusts the backlight and contrast depending on the screen brightness Level Off Disables the Smart Energy Saving function On Enables the Smart Energy Saving function to save power consumption as much as the value set in the smart energy saving rate OK Move PICTURE Aspect Ratio Energy Saving Easy Brightness Control Smart Energy Saving Picture Mode ...

Page 43: ...to enhance hotter Colors such as red or set to cool to make picture bluish Advanced Control Customizes the advanced options Refer to the Advanced image options Picture Reset Restores the options to the default setting NOTE Setting Description Picture Mode Selects one of the preset image or customizes options in each mode for the best Monitor screen performance You are also able to customize advanc...

Page 44: ...ke the white area of screen brighter and more white Skin Color 5 to 5 It detects the skin area of video and adjusts it to express a natural skin color Noise Reduction Off High Medium Low Reduces screen noise without compromising video quality Function works in the following mode AV Component HDMI DTV DVI DTV Display Port DTV Digital Noise Reduction Off High Medium Low This option reduces the noise...

Page 45: ...ption to enjoy the original sound when listening to the music Cinema Select this option to enjoy sublime sound Sport Select this option to watch sports broadcasting Game To enjoy dynamic sound when playing a game Option Infinite Sound Infinity Sound option provides 5 1 channel stereo sound from two speakers Treble Controls the dominant sounds in the output When you turn up the treble it will incre...

Page 46: ...ally to prevent overload Auto off If Auto off is active and there is no input signal the set switches to off mode automatically after 15 minutes Automatic Standby If you do not use the monitor for more than 4 hours it will be in standby mode automatically Move OK TIME Clock Off Time On Time Sleep Timer Power On Delay Auto Off Automatic Standby Off Off Off Off 15 min Off y y Off Time On Time can be...

Page 47: ...having video signal according to the defined input order if no video signal comes from the current input source Refer to the sequence of the table below Current Input Source Attempt 1 Attempt 2 Attempt 3 Attempt 4 RGB HDMI DVI DP If there is no available video signal to switch to then the current input source remains DVI HDMI DP RGB HDMI DVI DP RGB DP HDMI DVI RGB Manual The input source changes a...

Page 48: ...ettings will be saved Tile mode column x row c 1 to 15 r 1 to 15 15 x 15 available Configuration of an integration screen is also available as well as configuration of one by one Display Auto Config Adjusts the screen position automatically The displayed image may be unstable for a few seconds while the configuration is in progress PC Position Moving the screen position horizontally and vertically...

Page 49: ...s the local key function on or off If Key Lock is enabled the local key does not work Interface Select Sets communication with Media Player and the connected PC Option RS232C Communicates with the connected PC in serial mode SuperSign Communicates with Media Player PC Power Control Controls the power of the monitor with Media Player turned on Mode Not connected This mode is displayed when the Medi...

Page 50: ... 4 ID 1 ID 2 ID 4 ID 5 ID 3 ID 6 ID 7 ID 8 ID 9 3X3 When using 9 monitors ID 1 ID 2 ID 5 ID 6 ID 3 ID 7 ID 9 ID 10 ID 11 ID 4 ID 8 ID 12 ID 13 ID 14 ID 15 ID 16 ID 1 ID 2 ID 6 ID 7 ID 3 ID 8 ID 11 ID 12 ID 13 ID 4 ID 5 ID 9 ID 10 ID 14 ID 15 ID 16 ID 21 ID 17 ID 22 ID 18 ID 23 ID 19 ID 24 ID 20 ID 25 Off When the Tile Mode option is disabled 1X2 When using 2 monitors 2X2 When using 4 monitors 5X5 ...

Page 51: ...s disabled Fixed as 16 9 y y While running the PIP PBP function the Tile Mode function does not work y y You must select the output sound before running the PIP or PBP functions Select either Main or Sub y y If you fail to select Main or Sub from the sound selection box and if the OSD disappears after either a period of time or when the Exit or Back key is pressed the PIP PBP subscreen is not acti...

Page 52: ...eceiver RS232C cable Picture ID Close Off 3 If you press the left right buttons or the red ON button for PICTURE ID repeatedly the Picture ID toggles between OFF and 1 to 4 Assign the Set ID as you like y y A set with a different Set ID than the Picture ID cannot be controlled by IR signals y y Please refer to the Installation Manual for more information on the assigning Total Set ID NOTE Picture ...

Page 53: ...When there is no network connection Server IP Setting Sets the IP address of the computer server on which SuperSign Manager is installed Server IP Status Displays the connection status with the server Not connected When there is no network connection with SuperSign server Waiting for approval When network connection with SuperSign server has been made but access to server has not been approved by ...

Page 54: ...ect a gaming device to the monitor set use the cable supplied with the gaming device y y It is recommended you to use the optional speaker provided NOTE MAKING CONNECTIONS Connect various external devices to the ports on the monitor set s back panel 1 Find an external device you want to connect to your monitor set shown on the following illustration 2 Check the connection type of the external devi...

Page 55: ...HDMI cable as shown on the following illustration y y Use a High Speed HDMI Cable y y High Speed HDMI Cables are tested to carry an HD signal up to 1080p and higher NOTE Component Connection Transmits the analog video and audio signals from an external device to the monitor Connect the external device and the monitor with the 15 pin signal to RCA cable as shown on the following illustration To dis...

Page 56: ...e external device and the monitor with the 15 pin signal to RCA cable as shown on the following illustration Connecting to a USB Connect a USB storage device such as s USB flash memory external hard drive MP3 player or a USB memory card reader to the monitor and access the USB menu to use various multimedia files or not included not included ...

Page 57: ...57 ENG ENGLISH MAKING CONNECTIONS LAN Connection A Connect PC to monitor directly B Using a router Switch C Using the Internet PC Monitor Network LAN Monitor PC Network LAN Network Monitor PC Switch LAN ...

Page 58: ...er to the Windows Help Go to Control Panel System and Security System You will see the number of touch points supported under Pen and Touch y y The monitor can respond to 10 Touch Points when connected to a Windows 7 computer y y When using the touch screen monitor it is recommended to set the screen aspect ratio to Just Scan y y For more information about gestures and settings on Windows 7 refer ...

Page 59: ...screen on the Device Manager window Go to Control Panel System Hardware Device Manager Human Interface Devices You can see LGE MultiTouch Device on the USB Human Interface Device Properties window Then connect the USB cable to your PC so that it automatically recognizes the touch screen monitor PC y y Once your PC recognizes the monitor you will be able to use the touch screen CAUTION ...

Page 60: ... for Windows 7 y y The monitor can respond to one Touch Point when connected to a Windows XP computer y y When using the touch screen monitor it is recommended to set the screen aspect ratio to Just Scan y y The touch function only works for the screen that is set as the primary monitor Go to Control Panel Display Settings Use this device as the primary monitor NOTE ...

Page 61: ...ockwise screen rotation Landscape No rotation Portrait 90 rotation counterclockwise y y LG TDS is only supported in Windows XP y y You must install NET Framework 3 5 on Windows XP before installing this program NOTE Portrait Long press Touch Whether to enable the mouse s right click function context menu when you touch and hold the screen Enable Enables the mouse s right click function context men...

Page 62: ...he USB cable and connect it back in ten seconds y y Touch responds when the monitor is powered on y y Up to 10 touch points are supported when the monitor is connected to a Windows 7 computer one when connected to a Windows XP computer y y Set the monitor as the primary monitor in Windows XP y y Touch accuracy is optimized by using full screen mode y y Your action may not work properly on the edge...

Page 63: ...st the frequency range by referring to the Specifications in this manual Maximum resolution RGB HDMI DVI D Display Port 1920 x 1080 60 Hz Does the Check signal cable message appear y y The signal cable between PC and product is not connected Check the signal cable y y Press the INPUT menu in the remote control to check the input signal Unknown Product message appears when the product is connected ...

Page 64: ...n y y D Sub analog signal Press the AUTO button in the remote control to automatically select an optimal screen status that fits into the current mode If adjustment is not satisfactory select PICTURE Screen Size in OSD menu Horizontal noise appears or the characters look blurred y y D Sub analog signal Press the AUTO button in the remote control to automatically select an optimal screen status tha...

Page 65: ...els red green white or black color may appear on the screen which can be attributable to the unique characteristics of the LCD panel It is not a malfunction of the LCD The operation does not work normally Problem Resolution The power suddenly turned off y y Is the sleep timer set y y Check the power control settings Power interrupted The audio function does not work Problem Resolution No sound y y...

Page 66: ...using a signal cable touch does not respond Check the signal cable connection y y Check the monitor power Touch may not respond when the monitor is powered off y y Check if the screen is currently on The location of a touch does not correspond to the touch coordinates y y Change your tablet PC settings Windows 7 This may occur when the touch screen is not calibrated properly Control Panel Hardware...

Page 67: ...monitor when you are using multiple monitors Go to Control Panel Display Settings tab Select the monitor Use this device as the primary monitor U Apply A I cannot use 10 touch points in Windows 7 y y Make sure that you use a content that supports up to 10 touch points The content played e g Flash Player Paint etc may not support 10 touch points y y Remove the USB cable and connect it again in 10 s...

Page 68: ...he OS or video card type Horizontal Frequency RGB 30 kHz to 83 kHz HDMI DVI D Display Port 30 kHz to 83 kHz Vertical Frequency RGB 50 Hz to 57 Hz HDMI DVI D Display Port 56 Hz to 60 Hz Synchronization Type Separate Sync Composite Sync Digital Input Connector RGB HDMI DVI D Display Port RS 232C LAN USB Audio Touch USB Power Rated Voltage AC 100 240 V 50 60 Hz 1 6 A Power Consumption On Mode 115 W T...

Page 69: ...creen OS Operating System Windows XP 1 Point Windows 7 10 Points Space between touches at least 15 mm or more Applicable only for models that support the speakers Audio RMS Audio Output 10 W 10 W R L Input Sensitivity 0 7 Vrms Speaker Impedance 8 Ω Product specifications shown above may be changed without prior notice due to upgrade of product functions ...

Page 70: ... video card type Horizontal Frequency RGB 30 kHz to 83 kHz HDMI DVI D Display Port 30 kHz to 83 kHz Vertical Frequency RGB 50 Hz to 57 Hz HDMI DVI D Display Port 56 Hz to 60 Hz Synchronization Type Separate Sync Composite Sync Digital Input Connector RGB HDMI DVI D Display Port RS 232C LAN USB Audio Touch USB Power Rated Voltage AC 100 240 V 50 60 Hz 1 8 A Power Consumption On Mode 120 W Typ Sleep...

Page 71: ...Screen OS Operating System Windows XP 1 Point Windows 7 10 Points Space between touches at least 15 mm or more Applicable only for models that support the speakers Audio RMS Audio Output 10 W 10 W R L Input Sensitivity 0 7 Vrms Speaker Impedance 8 Ω Product specifications shown above may be changed without prior notice due to upgrade of product functions ...

Page 72: ...ct and accessories Please see the Mounting on a wall section for sizes of screws Product specifications shown above may be changed without prior notice due to upgrade of product functions Unit mm 42LT55A 990 9 400 17 7 17 7 17 7 17 7 295 5 585 72 51 2 44 5 295 5 92 5 400 92 5 Wall Mount Screw 4 M6 L12 5 Max ...

Page 73: ...n above may be changed without prior notice due to upgrade of product functions Unit mm 47LT55A 1102 7 400 17 7 647 8 71 2 351 4 49 6 351 4 123 9 400 17 7 44 5 123 9 17 7 17 7 Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Screw 4 M6 L10 Max Wall Mount Scr...

Page 74: ... 1920 x 1080 67 5 60 y y PC resolutions available as the input label option in RGB and HDMI DVI Display Port input mode 640 x 480 60 Hz 1280 x 720 60 Hz 1920 x 1080 60 Hz and DTV resolutions 480p 720p 1080p DTV Mode Resolution Component HDMI Display Port DTV 480i o x 576i o x 480p o o 576p o o 720p o o 1080i o o 1080p o o NOTE y y Vertical frequency To enable the user to watch the product display ...

Page 75: ...R C BUTTON 44 OK R C BUTTON 61 Blue Key R C BUTTON 63 Yellow Key R C BUTTON 71 Green Key PICTURE ID OFF R C BUTTON 72 Red Key PICTURE ID ON R C BUTTON 79 MARK ARC R C BUTTON 95 ENERGY SAVING R C BUTTON 99 AUTO R C BUTTON 0B INPUT R C BUTTON 10 to 19 Number Key 0 to 9 R C BUTTON 2F CLEAR R C BUTTON 3F S MENU R C BUTTON 4D PSM R C BUTTON 5B EXIT R C BUTTON 7B TILE Tile Mode R C BUTTON 8E R C BUTTON ...

Page 76: ... is used for communication between the PC and product You can turn the product on off select an input source or adjust the OSD menu from your PC Communication Parameter RS 232C Configurations PC Set D Sub 9 D Sub 9 Female Female PC Set D Sub 9 D Sub 9 Female Female y y Baud Rate 9600 buad Rate UART y y Data Length 8 bit y y Parity Bit None y y Stop Bit 1bit y y Flow Control None y y Communication ...

Page 77: ... y Refer to Sound mode 18 Treble k r 00 to 64 19 Bass k s 00 to 64 20 Speaker d v 00 to 01 21 Volume Mute k e 00 to 01 22 Volume Control k f 00 to 64 23 Time 1 Years Months Days f a Refer to Time 1 24 Time 2 Hours Minutes Seconds f x Refer to Time 2 25 Off Timer Repeat mode Time f e Refer to Off Timer 26 On Timer Repeat Mode Time f d Refer to On Timer 27 On Timer Input f u Refer to On Timer Input ...

Page 78: ...ersion f z FF 57 White Balance Red Gain j m 00 to FE 58 White Balance Green Gain j n 00 to FE 59 White Balance Blue Gain j o 00 to FE 60 Backlight m g 00 to 64 61 PC Power Control d t 00 to 01 62 PC Power d s 00 to 01 63 Easy Brightness Control Mode s m 00 to 01 64 Easy Brightness Control Schedule s s Refer to Easy Brightness Control Schedule 65 Status check s v Refer to Status check 66 BLU Mainte...

Page 79: ... to the set Cr Carriage Return ASCII code 0 x 0D ASCII code space 0 x 20 Acknowledgement Command2 Set ID OK NG Data x When the product receives data normally it sends an acknowledgement ACK in the format above If data is in read mode it indicates the data that shows the current status If data is in read mode it simply indicates the data that is sent from the PC If a command is sent with Set ID 00 ...

Page 80: ...urned properly There may be a certain time of delay between the Transmission and Acknowledgement signals 02 Input Select Command x b To select the Input Source for display Transmission x b Set ID Data Cr Data 20 Input AV 40 Component 60 RGB 70 DVI D PC 80 DVI D DTV 90 HDMI HDMI1 DTV A0 HDMI HDMI1 PC C0 Display Port DTV D0 Display Port PC 91 HDMI2 SDI DTV A1 HDMI2 SDI PC B0 SuperSign Acknowledgemen...

Page 81: ... Color 0 to 100 Acknowledgement i Set ID OK NG Data x 10 Tint Command k j To adjust the screen tint This function is available only in AV Component input Transmission k j Set ID Data Cr Data 00 to 64 Tint R50 to G50 Acknowledgement j Set ID OK NG Data x 11 Color Temperature Command x u To adjust the screen Color Temperature Transmission x u Set ID Data Cr Data 00 to 64 Warm 50 to Cool 50 Acknowled...

Page 82: ...ut Transmission f s Set ID Data Cr Data 00 64 Min 50 Reduce Max 50 Expand Acknowledgement s Set ID OK NG Data x 15 Auto Configuration Command j u To adjust the picture position and minimize image shaking automatically Only available for RGB PC input Transmission j u Set ID Data Cr Data 01 Set Acknowledgement u Set ID OK NG Data x 16 Balance Command k t To adjust the sound balance Transmission k t ...

Page 83: ... values Transmission f x Set ID Data1 Data2 Data3 Cr Data1 00 to 17 00 to 23 hours Data2 00 to 3B 00 to 59 minutes Data3 00 to 3B 00 to 59 seconds Enter fx Set ID ff for checking Time 2 Hour Minute Second values This command won t work if Time 1 Year Month Day has not been set in advance Acknowledgement x Set ID OK NG Data1 Data2 Data3 x 19 Bass Command k s To adjust the Bass values Transmission k...

Page 84: ...is function is supported only when 1 Year Month Day and 2 Hour Minute Second are set Acknowledgement e Set ID OK NG Data1 Data2 Data3 x 26 On Timer Repeat Mode Time Command f d To set the On Timer Repeat mode Time function Transmission f d Set ID Data1 Data2 Data3 Cr Data1 1 F1 to F7 Read data F1 Read the 1st On Time data F2 Read the 2nd On Time data F3 Read the 3rd On Time data F4 Read the 4th On...

Page 85: ... each schedule input down one row and save the 1st schedule input in RGB mode Example 2 fu 01 f1 ff Read the 1st schedule input Example 3 fu 01 f3 20 Change the 3rd data schedule input to the current On Time and AV input If there is no third schedule the text NG will be displayed and the operation fails This function is supported only when 1 Year Month Day 2 Hour Minute Second On Time Repeat Mode ...

Page 86: ...or Standby Light Command f o To set the Power Indicator Standby Light function Transmission f o Set ID Data Cr Data 00 Off 01 On It may not be supported depending on the model Acknowledgement o Set ID OK NG Data x 34 Power Indicator Power Light Command f p To set the Power Indicator Power Light function Transmission f p Set ID Data Cr Data 00 Off 01 On It may not be supported depending on the mode...

Page 87: ...11 means Tile Mode Off It may not be supported depending on the model Acknowledgement d Set ID OK NG Data x 40 Tile Mode Check Command d z To check Tile Mode status Transmission d z Set ID Data Cr Data FF Check Tile Mode status It may not be supported depending on the model Acknowledgement z Set ID OK NG Data1 Data2 Data3 x Data1 00 Tile Mode Off 01 Tile Mode On Data2 00 to 0F Tile Row Data3 00 to...

Page 88: ...et Tile V Position to 0x00 before setting Tile V Size This function is available only when the Natural option of the Tile Mode is set to Off while the Tile Mode set to On Transmission d h Set ID Data Cr Data 00 to 32 0 to 50 It may not be supported depending on the model Acknowledgement h Set ID OK NG Data x 46 Natural Mode In Tile Mode Command d j To display the image naturally the part of the im...

Page 89: ...n Transmission k m Set ID Data Cr Data 00 Off Lock Off 01 On Lock On Display will not be turned on by power on key of remote controller and front panel control keys if key is locked on in standby mode Acknowledgement m Set ID OK NG Data x It may not be supported depending on the model 52 Key Command m c To send a key code of the IR remote control Transmission m c Set ID Data Cr Data IR_KEY_CODE Ac...

Page 90: ...ain Transmission j m Set ID Data Cr Data 00 to FE Red Gain 0 to 254 Acknowledgement m Set ID OK NG Data x 58 White Balance Green Gain Command j n To set the White Balance Green Gain Transmission j n Set ID Data Cr Data 00 to FE Green Gain 0 to 254 Acknowledgement n Set ID OK NG Data x 59 White Balance Blue Gain Command j o To set the White Balance Blue Gain Transmission j o Set ID Data Cr Data 00 ...

Page 91: ...Schedule Command s s Sets the Easy Brightness Control Schedule Transmission s s Set ID Data1 Data2 Data3 Cr Data1 1 F1 F6 Data Reading Functions F1 Reads the data of the 1st Easy Brightness Control F2 Reads the data of the 2nd Easy Brightness Control F3 Reads the data of the 3rd Easy Brightness Control F4 Reads the data of the 4th Easy Brightness Control F5 Reads the data of the 5th Easy Brightnes...

Page 92: ...tom fail Main fail 06 Top fail Bottom normal Main fail 07 All temperature sensors normal When the Data is 08 Acknowledgement v SetID OK NG Data Data1 Data2 Data3 x Data1 Temperature of the top sensor area when the set is powered off Data2 Temperature of the bottom sensor area when the set is powered off Data3 Temperature of the main sensor area when the set is powered off When the Data is 09 Ackno...

Page 93: ... in which case the user may be required to take adequate measures To obtain the source code under GPL LGPL MPL and other open source licenses that is contained in this product please visit http opensource lge com In addition to the source code all referred license terms warranty disclaimers and copyright notices are available for download LG Electronics will also provide open source code to you on...

Search results

Summary of Contents for 42LT55A

Reviews:

Related manuals for 42LT55A

Brands by name

Popular brands

LG 42LT55A, Owner'S Manual

Search results

Summary of Contents for 42LT55A

Reviews:

Related manuals for 42LT55A

Brands by name

Popular brands