Safety Precautions, Maintenance & Recommended Use

English

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.

•The power supply cord you use must have been approved by and comply with the safety standards of your country. (Type H05VV-F 3G 1mm2 should be used in Europe)

•In UK, use a BS-approved power cord with molded plug having a black (13A) fuse installed for use with this monitor.

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

•The lamps in this product contain mercury. Please

dispose according to state, local or federal law.

•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.

•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, it’s 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 monitor’s 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 Color Setting.

•Use non-interlaced signals.

•Do not use primary color 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.

English-3

LCD5220, LCD4020 specifications

The NEC LCD4020 and LCD5220 are high-performance LCD monitors designed for various professional applications, including broadcasting, medical imaging, and graphic design. Both models are heralded for their exceptional image quality, reliable performance, and advanced technologies, making them popular choices in demanding environments.

The NEC LCD4020 is a 40-inch display that features a native resolution of 1920x1200 pixels, offering a 16:10 aspect ratio. It utilizes advanced TFT-LCD technology, delivering vibrant colors and sharp images with a wide viewing angle. One of the standout features of the LCD4020 is its high brightness level, which typically reaches up to 700cd/m2, ensuring clear visibility even in bright lighting conditions. The monitor supports various input signals, including DVI, HDMI, and VGA, allowing for versatile connectivity options. Additionally, it incorporates NEC's special ColorComp technology, which ensures accuracy in color reproduction, making it ideal for graphic design and color-critical applications.

On the other hand, the NEC LCD5220 boasts a larger 52-inch screen size with a native resolution of 1920x1080, or Full HD. The contrast ratio of this model is impressive, allowing for deeper blacks and more vibrant colors. The LCD5220 is equipped with an advanced backlight system that enhances luminance and color fidelity, essential for professional media work. This display also comes with an integrated video wall capability, enabling multiple LCD5220 units to be combined seamlessly for a larger viewing area, which is highly sought after in command centers and event spaces.

Both models feature NEC's innovative Ambix technology, which allows for simultaneous input from multiple sources without the need for complex setups. This feature is crucial in environments where multiple data streams need to be displayed concurrently. Moreover, they are designed with durability in mind, featuring robust construction that can withstand long hours of operation, making them suitable for 24/7 usage.

In summary, the NEC LCD4020 and LCD5220 are exemplars of high-quality display technology, offering users advanced features, extensive connectivity, and impressive image quality. Whether for medical imaging, broadcast, or graphic design, these monitors provide the reliability and performance professionals need to meet their demanding requirements.