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NEC MultiSync LCD4020 User Manual

NEC MultiSync LCD4020
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English-3
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 1mm
2
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.
Safety Precautions, Maintenance & Recommended Use

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NEC MultiSync LCD4020 Specifications

General IconGeneral
Pixel pitch0.648 x 0.648 mm
Response time8 ms
Display diagonal40 \
Display brightness500 cd/m²
Vertical scan range50 - 85 Hz
Horizontal scan range31.5 - 91.1 kHz
Display number of colors16.78 million colors
Aspect ratio16:9
Display sRGBYes
Built-in cameraNo
Headphone connectivity3.5 mm
DVI-D ports quantity1
Product colorBlack
Product designDigital signage flat panel
Panel mounting interface600 x 200 mm
Power consumption (typical)300 W
Operating temperature (T-T)5 - 40 °C
Operating relative humidity (H-H)20 - 80 %
CertificationCE; TÜV GS; C-tick; FCC Class B; UL/C-UL or CSA; CCC; PSB; VCCI; RoHS
Cables includedAC, VGA
Weight and Dimensions IconWeight and Dimensions
Depth140 mm
Height532 mm
Weight29400 g
Depth (with stand)330 mm
Width (with stand)920 mm
Height (with stand)567 mm
Weight (with stand)31100 g

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