Safety Precautions, Maintenance & Recommended Use

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FOR OPTIMUM PERFORMANCE, PLEASE NOTE THE

FOLLOWING WHEN SETTING UP AND USING

THE MULTI-FUNCTION MONITOR:

¥DO NOT OPEN THE MONITOR. There are no user serviceable parts inside and opening or removing covers may expose you to dangerous shock hazards or other risks. Refer all servicing to qualified service personnel.

¥Do not spill any liquids into the cabinet or use your monitor near water.

¥Do not insert objects of any kind into the cabinet slots, as they may touch dangerous voltage points, which can be harmful or fatal or may cause electric shock, fire or equipment failure.

¥Do not place any heavy objects on the power cord. Damage to the cord may cause shock or fire.

¥Do not place this product on a sloping or unstable cart, stand or table, as the monitor may fall, causing serious damage to the monitor.

¥When operating the MultiSync monitor with its AC 220-240V power supply in Europe, use a power supply cord provided with the monitor.

¥In UK, use a BS-approved power cord with molded plug having a black (13A) fuse installed for use with this monitor. If a power cord is not supplied with this monitor, please contact your supplier.

¥When operating the MultiSync monitor with a 220-240V AC power source in Australia, use the power cord provided with the monitor. If a power cord is not supplied with this equipment, please contact your supplier.

¥For all other cases, use a power cord that matches the AC voltage of the power outlet and has been approved by and complies with the safety standard of your particular country.

¥Do not place any objects onto the monitor and do not use the monitor outdoors.

¥The inside of the fluorescent tube located within the LCD monitor contains mercury. Please follow the bylaws or rules of your municipality to dispose of the tube properly.

¥Do not bend, crimp or otherwise damage the power cord.

¥If glass is broken, handle with care.

¥Do not cover vent on monitor.

¥Do not use monitor in high temperature, humid, dusty, or oily areas.

¥If monitor or glass is broken, do not come in contact with the liquid crystal and handle with care.

¥Allow adequate ventilation around the monitor, so that heat can properly dissipate. Do not block ventilated openings or place the monitor near a radiator or other heat sources.

Do not put anything on top of the monitor.

¥The power cable connector is the primary means of detaching the system from the power supply. The monitor should be installed close to a power outlet, which is easily accessible.

¥Handle with care when transporting. Save packaging for transporting.

¥Do not hold the display by the bezel when moving or shifting the display.

¥Please clean the holes of back cabinet to reject dirt and dust at least once a year because of set reliability.

¥If using the cooling fan continuously, itÕs recommended to wipe holes a minimum of once a month.

Immediately unplug your monitor from the wall outlet and refer servicing to qualified service personnel under the following conditions:

¥When the power supply cord or plug is damaged.

¥If liquid has been spilled, or objects have fallen into the monitor.

¥If the monitor has been exposed to rain or water.

¥If the monitor has been dropped or the cabinet damaged.

¥If the monitor does not operate normally by following operating instructions.

Recommended Use

¥For optimum performance, allow 20 minutes for warm-up.

¥Rest your eyes periodically by focusing on an object at least 5 feet away. Blink often.

¥Position the monitor at a 90¡ angle to windows and other light sources to minimize glare and reflections.

¥Clean the LCD monitor surface with a lint-free, non-abrasive cloth. Avoid using any cleaning solution or glass cleaner!

¥Adjust the monitorÕs brightness, contrast and sharpness controls to enhance readability.

¥Avoid displaying fixed patterns on the monitor for long periods of time to avoid image persistence (after image effects).

¥Get regular eye checkups.

Ergonomics

To realize the maximum ergonomic benefits, we recommend the following:

¥Use the preset Size and Position controls with standard signals.

¥Use the preset Colour Setting.

¥Use non-interlaced signals.

¥Do not use primary colour blue on a dark background, as it is difficult to see and may produce eye fatigue due to insufficient contrast.

Cleaning the LCD Panel

¥When the liquid crystal panel is stained with dust or dirt, please wipe with soft cloth gently.

¥Please do not rub the LCD panel with hard material.

¥Please do not apply pressure to the LCD surface.

¥Please do not use OA cleaner it will cause deterioration or discolor on the LCD surface.

Cleaning the Cabinet

¥Unplug the power supply

¥Gently wipe the cabinet with a soft cloth

¥To clean the cabinet, dampen the cloth with a neutral detergent and water, wipe the cabinet and follow with a dry cloth.

NOTE: The surface of the cabinet is composed of many types of plastic. DO NOT clean with benzene thinner, alkaline detergent, alcoholic system detergent, glass cleaner, wax, polish cleaner, soap powder, or insecticide. Rubber or vinyl should not be in contact with the cabinet for an extended period of time. These types of fluids and materials can cause the paint to deteriorate, crack or peel.

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NEC LCD4020, LCD4620 user manual Safety Precautions, Maintenance & Recommended Use
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LCD4620, LCD4020, LCD4620 specifications

The NEC LCD4620 is a robust and versatile 46-inch LCD display designed to cater to the demanding needs of various commercial environments, including retail, control rooms, and corporate settings. This display is known for its blend of advanced features, reliability, and performance that make it an excellent choice for professional applications.

One of the standout features of the NEC LCD4620 is its impressive resolution. With Full HD capabilities of 1920 x 1080 pixels, the display delivers sharp and vibrant images, ensuring that content is presented with optimal clarity. This high resolution enhances visual experiences, making it ideal for presentations, advertising, and information sharing.

The technology behind the NEC LCD4620 includes a combination of advanced panel technology and backlighting. It utilizes an S-IPS (Super In-Plane Switching) panel, which provides wide viewing angles of up to 178 degrees both horizontally and vertically. This characteristic is vital in public spaces where audiences may view the screen from various angles. Additionally, the display boasts a high contrast ratio, which enhances uniformity and depth in color reproduction.

The NEC LCD4620 is equipped with multiple connectivity options, including HDMI, VGA, and DVI inputs, allowing seamless integration with diverse systems and sources. These connectivity options make it versatile for various applications, whether connecting to a computer, media player, or digital signage network. The inclusion of a built-in USB port also enables media playback directly from USB devices, making it user-friendly for quick and easy content updates.

Another critical feature of the NEC LCD4620 is its durability and reliability. Designed for continuous operation, it can function for extended periods without the risk of overheating, making it suited for 24/7 environments. The display features a robust cabinet that is both aesthetically pleasing and functional, ensuring long-lasting performance in high-traffic areas.

Moreover, the NEC LCD4620 incorporates advanced energy-saving technologies to reduce power consumption, aligning with modern energy efficiency standards. This not only lowers operational costs but also supports environmental sustainability initiatives.

In conclusion, the NEC LCD4620 is a powerful 46-inch LCD display that combines high resolution, remarkable viewing angles, versatile connectivity, and robust design. It is an ideal solution for businesses and organizations seeking reliable displays that enhance visual communication and customer engagement.
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