TABLE OF CONTENTS SAFETY PRECAUTION ....3 - Precautions In Installing the Product .....3 - Precautions to the AC Adapter and Electrical Power ..................5 - Precautions In Moving the Product ......7 - Precautions In Using the Product ......7 - Mounting on a Wall ............8 ASSEMBLY AND PREPARATION ..9 - Precaution When Using the Touch Pen ....9 - Parts and Buttons ............10...
Warning: This equipment is compliant with Class A of CISPR 32. In a residential environment this equipment may cause radio interference. SAFETY PRECAUTION Please read these safety precautions carefully before using the product. WARNING If you ignore the warning message, you may be seriously injured or there is a possibility of accident or death. CAUTION If you ignore the caution message, you may be slightly injured or the product may be damaged.
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If you install the product in a place that does not meet the recommended conditions, this may cause serious damage to the product’s picture quality, life cycle, and appearance. Please check with LG or a qualified installer before installing. This caution applies to a place where there is an abundance of fine dust or oil mist, chemical substances are used, the temperature is very high or low, the humidity is very high, or the product is likely to remain turned on for a long period of time (airport and train station).
- If loosely connected, the poor connection may cause a fire or electric shock. • Be sure to use power cords and AC adapters provided or approved by LG Electronics, Inc. - The use of non-approved products may cause a fire or electric shock.
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• Do not touch the power plug with wet hands. Additionally, if the cord pin is wet or covered with dust, dry the power plug completely or wipe dust off. - You may be electrocuted due to excess moisture. • If you don’t intend to use the product for a long time, unplug the power cable from the product.
Precautions In Moving the Product WARNING • Make sure to turn off the product. - You may be electrocuted or the product can be damaged. • Make sure to remove all cables before moving the product. - You may be electrocuted or the product can be damaged. •...
CAUTION • Do not put or store inflammable substances near the product. - There is a danger of explosion or fire due to careless handling of the inflammable substances. • When cleaning the product, unplug the power cord and scrub gently with a soft cloth to prevent scratching. Do not clean with a wet cloth or spray water or other liquids directly onto the product.
ASSEMBLY AND PREPARATION CAUTION • Always use genuine components to ensure safety and product performance. • The product warranty will not cover damage or injury caused by the use of counterfeit components. NOTE • The accessories provided with your product may vary depending on the model or region. •...
Screws which are longer than standard length may damage the inside of the monitor. A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable for any accidents related to the use of non-standard screws.
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Disconnect the power cord before moving or installing the monitor to avoid risk of electric shock. • If you install the monitor on a ceiling or slanted wall, it may fall and result in injury. Use an authorised LG wall mount and contact your local dealer or qualified personnel to assist with the installation.
REMOTE CONTROL The descriptions in this manual are based on the buttons on the remote control. Please read this manual carefully to use the monitor correctly. To install batteries, open the battery cover, place batteries (1.5 V AAA) matching terminals to the labels inside the compartment, and close the battery cover. To remove the batteries, perform the installation actions in reverse.
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Turns on or off the whole screen. (Built-in computer) Works the same way as the Backspace key. Navigation Buttons Scrolls through menus or options. Selects menus or options and confirms your input. Turns the note feature on. Allows you to move back one step in the user interaction function. / Scrolls through the saved programmes/channels.
MAKING CONNECTIONS You can connect various external devices to your monitor. Change the input mode and select the external device you want to connect. For more information about external device connections, see the user manual provided with each device. Connecting to a PC Some of the cables are not provided.
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NOTE • For the best image quality, using the monitor with HDMI connection is recommended. • To comply with the specifications of the product, use a shielded interface cable with ferrite core, such as a HDMI cable. • If you turn the monitor on when the set is cold, the screen may flicker. This is normal. •...
TROUBLESHOOTING » Each model may have different points to check. » For information on your PC settings, refer to the Windows Help. Issues Related to Use • The power won’t turn on. - Check if the power cord is correctly plugged into the power outlet. •...
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Issues Related to Screen (Colour) • Screen has poor colour resolution (16 colours). - Use PC settings to set the colour to 24 bits (True Colour) or above. • Screen colour is unstable or mono-coloured. - Check the connection status of the signal cable. Or, re-insert the PC graphics card. •...
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I have a problem with touch response. • Touch does not respond. - This may occur when the USB cable between PC and monitor is not connected. Remove the USB cable and connect it again in 10 seconds. - Make sure that your PC’s power cord is firmly plugged into a power outlet and restart your PC. - Touch may not respond when the system is down due to the unstable network.
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Image sticking • After-image appears when the product is turned off. - If you use a fixed image for a long time, the pixels may be damaged. Use the screen-saver function. - When a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may cause image sticking.
PRODUCT SPECIFICATIONS The product specifications below may be changed without prior notice due to upgrade of product functions. “ ” refers to alternating current (AC), and “ ” refers to direct current (DC). LCD screen Screen type Thin Film Transistor (TFT) Liquid Crystal Display (LCD) Screen Video signal Maximum resolution...
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55TR3BG-B 55TR3BG-I LCD Panel Pixel Pitch 0.315 mm (H) x 0.315 mm (V) Power Rated Voltage AC 100-240 V~ 50/60 Hz 3.0 A Power Consumption On Mode: 125 W (Typ.) Stand By Mode: ≤ 0.5 W Dimensions (Width x 1270.5 mm x 773.6 mm x 83.7 mm/ 27 kg...
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VGA (PC) Support mode Resolution Horizontal frequency (kHz) Vertical frequency (Hz) Remark 640 x 480 31.469 59.94 800 x 600 37.879 60.317 1024 x 768 48.363 60.004 1280 x 768 47.396 59.99 1280 x 960 1280 x 1024 63.981 60.002 1366 x 768 47.712 59.79...
LICENSES Supported licenses may differ by model. For more information of the licenses, visit www.lg.com. The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
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The model and serial number of the product are located on the back and on one side of the product. Record them below in case you ever need service. Temporary noise is normal when powering ON or OFF MODEL this device. SERIAL NO.